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Questions discussed in this category

What factors do you use to decide between trastuzumab-deruxtecan and sacituzumab govitecan in HER2-low metastatic breast cancer?
Is there any data on the efficacy of T-Dxd after progression on sacituzumab govitecan? Does your approach differ by hormone receptor status now that ...
4 Answers available
With the recent FDA approval of adjuvant ribociclib, how are you deciding between ribociclib and abemaciclib for high risk HR+/HER2− early breast cancer?
4 Answers available
Would you recommend adjuvant endocrine therapy in combination with immunotherapy for triple negative metaplastic breast cancer with residual disease that is ER strongly positive?
1 Answer available
When do you recommend preoperative chemotherapy or hormonal therapy for ER+ breast cancer?
Other than for surgical downstaging or breast conservation.
1 Answer available
For patients with metastatic HER2-null (IHC 0+) breast cancer, do you offer trastuzumab deruxtecan based on the DAISY trial results?
4 Answers available
In patients with metastatic hormone receptor-positive, HER2-low breast cancer, how many and which lines of therapy would you recommend prior to using trastuzumab deruxtecan?
Are there any circumstances where use of T-DXd would supercede the use of CDK4/6 inhibitors or other non-chemotherapeutic options (PIK3CA etc?)
9 Answers available
What are your top takeaways in Breast Cancer from ESMO 2024?
4 Answers available
Do you offer hormonal therapy in combination with an anti-HER2 T-DM1 or T-DXd in metastatic ER+ HER2+ breast cancer?
2 Answers available
Are there scenarios where you would consider use of capivasertib for non-AKT pathway altered patients given the efficacy seen in the overall treatment population of the CAPItello-291 trial?
PFS curves appear similar between the AKT-altered vs overall study population in the trial publication. Is there any additional information available ...
3 Answers available
How would you approach adjuvant therapy for large (≥4 cm), node negative, HR+, HER2- breast cancer in an elderly woman with comorbidities including neuropathy?
2 Answers available
For a patient with well differentiated de novo triple positive metastatic breast cancer who did not respond to THP, do you sequence all available HER2 targeted options before endocrine therapy?
4 Answers available
What first line therapy would you give a premenopausal patient with HER-2 positive and ER positive metastatic breast cancer with visceral organ involvement?
Add OFS with endocrine therapy plus Taxane-HP combo? What taxane is preferred? 
1 Answer available
Do you have concerns about the generalizability of Oncotype testing/Mammaprint testing in making chemotherapy decisions for non-Caucasian women?
For example, women of southeast Asian descent.
1 Answer available
Would you offer local therapy with either SBRT or Y-90 in a patient with metastatic ER+ HER2 low breast cancer with two oligometastatic liver lesions currently on AI + CDK4/6 inhibitor?
1 Answer available
Does the degree of hormone receptor positivity influence your decision to perform Oncotype testing?
Since HR low-positive, HER2 neg tumors behave aggressively similar to TNBC, does the degree of HR positivity factor into your decision-making?
1 Answer available
Would you still offer trastuzumab deruxtecan in a patient with progressive HR+/HER2+ breast cancer who has prior history of cell cycle inhibitor related pneumonitis?
2 Answers available
Would you avoid chemotherapy in a postmenopausal woman age >65 with T3 HR+/HER2 negative with Oncotype DX < 25?
1 Answer available
How would you approach adjuvant systemic therapy for a pT3N0(i+) HR+/HER2 negative breast cancer with an intermediate oncotype in a post-menopausal woman?
3 Answers available
What adjuvant systemic therapy would you give a patient with pN2 nodal relapse of ER+/HER2- breast cancer now s/p ALND, after initial mastectomy, adjuvant TC, and 5 years of endocrine therapy?
1 Answer available
How do you approach ovarian function suppression in premenopausal women with HR+/HER2-, node negative breast cancer and intermediate OncoType dx scores (11-25) who received chemotherapy?
1 Answer available
How long would you recommend a woman with HR+ node-positive breast cancer treated with surgery and chemotherapy during pregnancy can breastfeed, prior to starting adjuvant endocrine therapy?
2 Answers available
What is your treatment approach in a patient with cT2 ER+HER2+ breast cancer who refuses neoadjuvant chemotherapy?
2 Answers available
Would you offer capivasertib+fulvestrant in a patient with metastatic HR+ HER2 negative breast cancer with PTEN mutation who has progressed on fulvestrant plus ribociclib?
3 Answers available
How do you define PIK3CA/AKT/PTEN alteration for capivasertib use?
Patient with stage IV ER+PR+Her2- breast cancer progressed after CDK4/6 inhibitor+AI and then on Elacestrant. Guardant 360 showed ESR1 mutation and PI...
2 Answers available
What disease characteristics will guide your choice of alpelisib plus fulvestrant (per SOLAR-1) versus capivasertib plus fulvestrant (per CAPItello-291) in PIK3CA mutated advanced ER+/HER2- breast cancer after progression on 1L ET regimen, given both are now approved in this population?
3 Answers available
Would you use sequential CDK 4/6 inhibitors in HR-positive metastatic breast CA in successive lines of therapy?
In MONALEESA-2, it appears ~22% of those in the ribcociclib group received a subsequent CDK4/6 inhibitor. What was the rationale and could this have i...
5 Answers available
How strict are you about adhering to the eligibility criteria required for entry onto the OlympiA trial in considering a year of adjuvant olaparib as adjuvant therapy for BRCA mutated, node positive, ER positive breast cancer?
If a patient had a CPS-EG of 2 after neoadjuvant therapy, would you offer that patient olaparib even though she wouldn't have met entry criteria? If t...
2 Answers available
In patients with both ESR1 and PIK3CA mutations who have progressed on AI+CDK4/6 inhibitor, how are you deciding the treatment/sequence of next-line therapies?
Role of capivasertib vs SERD? What factors help you decide?
4 Answers available
How would you treat a newly diagnosed male with metastatic HR+ breast cancer?
Do you give first-line CDK 4/6 inhibitors with Tamoxifen or Aromatase Inhibitor (+/- GnRH analog)?
1 Answer available
How should we think about endocrine resistance in patients with inherited germline mutations such as BRCA, CHEK2, etc.?
Should these patients have a different threshold for utilizing a CDK4/6 inhibitor in the front line metastatic or as part of adjuvant therapy, or SERD...
1 Answer available
When would you feel comfortable with patients who have a history of hormone-receptor positive breast cancer using hormonal IUDs (e.g. Mirena)?
2 Answers available
How would you treat a patient with symptomatic and rapidly progressing metastatic HR+, HER2 low breast cancer with PIK3CA WT, ESR1 mutated, TMB high after progression on CDK 4/6 inhibitor, a taxane, and T-DXd?
1 Answer available
Do you recommend the use of elacestrant after prior fulvestrant in metastatic hormone positive breast cancer?
1 Answer available
For a patient with metastatic HR positive breast cancer presenting with spinal cord compression but no visceral metastases, what is your recommended first line systemic therapy?
Would you start with endocrine therapy + CDK 4/6 inhibitor or a chemotherapy based regimen?
2 Answers available
What is your preferred first line therapy for metastatic HR+ inflammatory breast cancer?
1 Answer available
Would you offer definitive local therapy to a patient with ER/PR+, Her2 neg breast cancer with oligometastatic disease that responded well to CDK 4/6 inhibitor +AI, despite NRG-BR002 results?
Young healthy patient, ER/PR positive HER2 negative right breast cancer with a synchronous single site of oligometastatic disease in the right 4th rib...
2 Answers available
How do you manage adjuvant endocrine therapy for microinvasive HR-positive disease measuring >=1mm in extension?
1 Answer available
Is there any role for elacestrant in patient who have received prior fulvestrant if they have ESR1 mutation?
3 Answers available
How do you approach treatment of patients with metastatic HR+ breast cancer with detection of ESR1 mutation after initiation of an AI and CDK4/6 Inhibitor?
How does data from PADA-1 and EMERALD trials impact your decision-making?  
3 Answers available
What is the preferred sequence of systemic therapy in a patient with endocrine resistant HR+ metastatic breast cancer?
The patient previously received endocrine therapy alone and in combination with CDK 4/6 inhibitor. She does not have any targetable mutations on NGS. ...
3 Answers available
What is your cut off on ER percent positivity to treat breast cancer as functional triple negative cancer?
Do you take PR percent into account?
2 Answers available
How do you decide whether to offer tamoxifen or OFS + AI in premenopausal patients with metastatic ER+ HER2+ breast cancer as your endocrine therapy?
What data may support the routine escalation of endocrine therapy? Should HER2 therapy be prioritized instead?
1 Answer available
Would you consider reserving CDK4/6 Inhibitors as second line treatment in patients with advanced HR+ HER2 negative breast cancer given SONIA and PALMIRA trial results?
2 Answers available
Would you consider AI alone over CDK4/6 inhibitor combinations in older patients with breast cancer considering the subgroup analyses from MONALEESA-2 suggest less benefit in patients over 65?
4 Answers available
Are you offering chemotherapy for premenopausal patients with HR+ node-positive breast CA with OncoType dx scores in the intermediate range of 11-25?
How do you reconcile the apparent benefit in all patients in this group as opposed to the differential effects in premenopausal HR+ node-negative pati...
3 Answers available
What is your approach to treatment in hormone receptor positive, HER2 negative (0 IHC) metastatic breast cancer with ERBB2 gene amplification after progression on AI and fulvestrant CDK4/6i with visceral crisis?
1 Answer available
How long would you continue trastuzumab and pertuzumab in a patient with ER+ HER2+ breast cancer with initially osseous involvement treated with ACT-HP and is now in CR by PET for >2 years?
1 Answer available
Do you feel comfortable using ribociclib in a patient with metastatic ER+/HER2+ breast cancer who has borderline systolic heart failure from previous HER2 based treatment?
Are you more worried about QT prolongation in this subset of patients?
1 Answer available
In patients who have received neoadjuvant endocrine therapy for localized ER/PR+, HER2 negative breast cancer, how do you decide which patients to offer adjuvant chemotherapy to?
What type of adjuvant chemotherapy would you offer? Would clinically positive lymph nodes or residual disease at the time of surgery change your decis...
1 Answer available
Which chemotherapy is preferred between TC and AC-T in a young patient with ER+/PR+/HER2- node negative breast cancer, intermediate grade, with high OncoType score? 
3 Answers available
What alternate neo-adjuvant backbone chemotherapy would you recommend in a patient with ER+ HER2+ clinical stage II breast CA with severe pan-colitis following a cycle of TCHP with docetaxel?
3 Answers available
Would you recommend adjuvant abemaciclib for ER+ HER2 neg inflammatory breast cancer who do not achieve pCR with neoadjuvant chemotherapy?
MONARCHE added an amendment to their protocol to exclude inflammatory breast cancer so they technically would not qualify for the trial though it's ha...
2 Answers available
Would you still obtain Ki-67 prior to use of adjuvant abemaciclib in a patient who has otherwise met MonarchE treatment criteria, such as 1-3 positive LNs, grade 3 and/or tumor >5 cm?
Patient is pre-menopausal and has cT3cN1, grade 2, ER positive, Her 2 negative IDC. Metastatic disease to axillary LNs was biopsy-proven. Patient was ...
1 Answer available
How would you treat a post-menopausal woman with recurrent breast cancer, T1bN0 HR+ (ER/PR > 90%), HER2- s/p lumpectomy and adjuvant RT with low oncotype of 6?
Is deferring chemotherapy based on low oncotype acceptable in setting of recurrence?    Would you recommend using a different AI, Tam...
2 Answers available
How would you approach adjuvant systemic therapy in a HR+ premenopausal patient over the age of 50?
Would you recommend using chemotherapy based on RxPonder regardless of Oncotype score in a premenopausal patient? Or would you hold chemotherapy since...
2 Answers available
Will you recommend abemaciclib in combination with standard adjuvant endocrine therapy in patients with high risk hormone receptor positive, HER2- early breast cancer?
With the recent announcement that the phase 3 MonarchE trial met its primary endpoint. 
3 Answers available
How would you treat a newly metastatic ER+ PR+ HER2+ triple positive breast cancer with diffuse symptomatic disease and severe neuropathy from prior adjuvant paclitaxel?
1 Answer available
In a patient with ER+/HER2+ breast cancer with significant residual disease post neoadjuvant TCHP, is there a role of using CDK4/6i in the adjuvant setting with T-DM1?
1 Answer available
Would you offer adjuvant olaparib to a male patient with HR+, HER2- T2N0 breast cancer with a BRCA2 germline mutation following mastectomy who is not a candidate for adjuvant chemotherapy?
2 Answers available
Would you give adjuvant endocrine therapy to a premenopausal woman with early stage node positive breast cancer that was ER negative, PR positive (60%) and HER2 positive?
She achieved PCR with NAC with TCHP and is now on adjuvant HP. 
2 Answers available
Do you use Oncotype to predict chemo benefit on all localized HR+ patients per TAILORx criteria or do you use your judgement and skip it in T1b-c grade 1 or grade 2 tumors?
3 Answers available
How do you approach adjuvant therapy to minimize cardiotoxicity in early stage node negative HER2+ HR+ breast cancer with history of chest wall radiation and previous cardiotoxic agents for Hodgkin Lymphoma?
1 Answer available
Would you offer adjuvant Abemciclib to ER positive HER2 negative with 1 LN positive, Ki-67 >20%, and low Oncotype?
Tumor 3 cm, grade 2 with Ki-67 25%
1 Answer available
How do you interpret the EBCTCG meta-analysis analyzing the magnitude of benefit of anthracyclines in early stage ER+ breast cancer?
How do you reconcile these findings with the ABC trials?
3 Answers available
For patients with prior HR+HER2- localized breast cancer currently receiving adjuvant endocrine therapy, is there a time period in which you would no longer recommend adding adjuvant abemaciclib?
(Assuming they meet MonarchE criteria) For example, if the patient is in year 2, 3, 4, or 5 of adjuvant endocrine therapy versus 9 months out, would ...
3 Answers available
Do you prefer CDK 4/6 inhibitor or PARP inhibitor as first line treatment in a patient with HR+/HER2 neg relapsed/metastatic BRCA positive breast cancer who had previous adjuvant chemotherapy and developed metastatic recurrence while on AI?
6 Answers available
What adjuvant treatment approach would you choose for a premenopausal woman with lymph node positive poorly differentiated metaplastic breast cancer that is ER low+, PR+, HER2 negative?
Is there a role for KEYNOTE-522 since ER + metaplastic breast cancer have similar behavior to triple negative metaplastic breast cancer? 
1 Answer available
What dose and formulation of GnRH agonist do you use for ovarian suppression in young breast cancer patients?
Do you use a q4 week or q12 week formulation? If you use both in your practice, what factors into your decision making for either one?
1 Answer available
Would you offer OFS/AI alone or with the addition of chemotherapy in a premenopausal female with ER+/PR+ breast cancer with microscopic LN involvement and an OncoTypeDx score <11?
1 Answer available
In what scenarios do you consider omitting adjuvant endocrine therapy after lumpectomy for DCIS?
How strongly would you recommend it for a grade 1, < 1 cm DCIS?
2 Answers available
Do you modify your choice of systemic therapy for localized early stage ER+/PR+ HER2- breast if Mammaprint shows basal subtype?
2 Answers available
Would you offer endocrine therapy to a patient who developed a new contralateral pT1b pN0 ER/PR+ HER2- breast IDC 1 year after coming off 10 years of anastrozole for prior invasive breast cancer?
2 Answers available
Do you utilize Mammaprint testing to determine whether or not to offer neoadjuvant chemotherapy for high risk ER+ breast cancer?
2 Answers available
How do you select systemic therapy for recurrent HR+ HER2 negative breast cancer in the bones in a premenopausal woman within a year of starting adjuvant AI with OFS plus abemaciclib and zoledronic acid?
She had been initially treated with neoadjuvant AC-T followed by BCS and RT with high burden residual disease in the breast and lymph nodes.
1 Answer available
How do you approach systemic treatment for intracranial only brain metastases for ER positive, PR negative, HER2 negative breast cancer after stereotactic radiosurgery for brain metastases with negative PET imaging?
1 Answer available
Do you use platinum therapy in BRCA1 mutated patients with ER/PR positive disease receiving neoadjuvant chemotherapy?
2 Answers available
How would you continue management of a patient with clinical stage II cN+ HR+ HER2+IDC with grade 3 diarrhea after 1 cycle of neoadjuvant TCHP?
2 Answers available
How do you decide among approved CDK4/6 inhibitors for first line treatment of patients with metastatic HR+ breast cancer now that OS analyses are available in MONALEESA-2, MONARCH-3 and PALOMA-2?
How do you compare their efficacy overall?
5 Answers available
How do you use baby tam, low dose tamoxifen, in your practice?
1 Answer available
How does your treatment approach vary in patients with HR+/HER2- breast cancer presenting with CNS metastases?
While rare, these patients were excluded from all frontline CDK4/6 inhibitor trials. Is there any data on the efficacy of ribociclib in the CNS or abi...
2 Answers available
How would you manage subsequent treatment for a patient with metastatic ER+HER2- breast cancer that develops pneumonitis on a CDK4/6 inhibitor but had an excellent response to therapy?
Would you change to a different CDK4/6 inhibitor or avoid the entire class of drugs?
2 Answers available
How do you select your first-line endocrine therapy to accompany CDK4/6 inhibitor in metastatic HR+ breast cancer?
Results with fulvestrant and letrozole backbone in MONALEESA and MONARCH trials seem comparable, but PALOMA data is somewhat mixed. How do these trial...
1 Answer available
Do you think about CDK4/6 inhibitor selection differently in a patient with de novo rather than recurrent metastatic disease?
Subgroup analyses in MONALEESA-2 suggest more benefit in de novo treatment naive patients, which is in contrast to MONARCH-3 data presented at ESMO 20...
2 Answers available
Would you treat a Stage I ER/PR positive HER2 negative breast cancer differently if it is associated with Lynch syndrome?
3 Answers available
How would you approach a young patient with a prior ER+ HER2- breast CA now local recurrence that now has Her2 positive disease?
If a patient previously received taxane-based chemotherapy for the initial cancer, is additional chemotherapy recommended or can HER2-directed and hor...
1 Answer available
Does the magnitude of OncoType recurrence score above 26 inform decision between TC and AC/T in ER+ HER2- 1-3 node positive, postmenopausal patients with breast cancer?
Is the marginal advantage of AC/T in 1-3 node positive outweighed by toxicity such as risk of cardiotoxicity and leukemia, regardless of RS?
1 Answer available
How far can you dose reduce abemaciclib for a patient who is having toxicity at starting doses?
Can you use 50 mg BID if intolerant to 150 mg and 100 mg dosing? Any tips for side effect management to help patients stay on full duration?
6 Answers available
Does the magnitude of benefit with 2 years of adjuvant abemaciclib outweigh side effects, given that many patients will receive CDK 4/6 inhibitors at breast cancer recurrence, precluding OS benefits?
MonarchE shows statistically significant improvement in IDFS and DRFS, but the magnitude of absolute benefit is modest (3-year IDFS and DRFS rates = 5...
6 Answers available
Do you prefer using an anthracycline or non-anthracycline adjuvant regimen in BRCA+ premenopausal patients with localized HR+ breast cancer?
Assuming chemotherapy is indicated because of the Oncotype score. 
1 Answer available
Will you offer adjuvant abemaciclib to breast cancer patients with high Ki-67 who are unable to receive either neoadjuvant or adjuvant chemotherapy due to comorbidities or who decline chemotherapy?
Majority of patients on MonarchE received neoadjuvant/adjuvant chemo.  Does the availability of abemaciclib impact your decision to offer chemo ...
4 Answers available
What adjuvant therapy would you offer an elderly but healthy patient with T2N1 HR+ HER2+ breast cancer who is not willing to receive cytotoxic chemotherapy?
1 Answer available
How do you plan to use adjuvant denosumab in patients with hormone positive breast cancer given the survival advantage seen in the ABCSG-18 trial?
Do you look into their stage/risk to decide? Since patients can experience bone loss after stopping denosumab, how do you plan to discontinue?
1 Answer available
Do you utilize genomic testing, such as OncoType or Breast Cancer Index, in HR positive breast cancer to make recommendations regarding the duration of endocrine therapy?
3 Answers available
Do you need to wait for estradiol and FSH levels to normalize before you can switch from tamoxifen to an AI for a pre-menopausal woman with ER+ breast cancer?
What steps should be taken when switching premenopausal women from tamoxifen to AI? In this case, the change is due to newly discovered endometrial th...
1 Answer available
When would you use adjuvant abemaciclib in patients with clinically high-risk ER+, HER2-negative breast cancer, but pCR following neoadjuvant chemotherapy?
Patient is a post-menopausal woman with 4 lymph node mets that was strongly ER+/PR+, HER2-negative invasive ductal carcinoma with a high Ki-67 w...
1 Answer available
Would you consider adjuvant endocrine therapy for DCIS in a patient who received bilateral nipple-sparing mastectomies?
Endocrine therapy is usually not indicated for DCIS s/p bilateral mastectomy, but would the fact that residual tissue (nipple-sparing) alter your deci...
2 Answers available
For premenopausal patients with ER+ PR+ HER2 negative breast cancer and lymph node micrometastases, would recurrence score be most appropriately interpreted based on TAILORx data, given such patients were excluded from RxPONDER?
1 Answer available
What is optimal endocrine therapy in a young, premenopausal women with ER/PR positive oligometastic breast cancer successfully treated with curative intent neoadjuvant chemo followed by surgery+RT to skeletal oligomet?
Would you include a CDK4/6 inhibitor knowing the patient doesn't meet criteria of monarchE trial but still is Stage IV?
1 Answer available
If you have a high risk HR+, BRCA+ breast cancer patient who qualifies for adjuvant olaparib and abemaciclib, which one would you give and why?
Would you ever consider using these in sequence?
4 Answers available
What is your approach to adjuvant hormone therapy for HR+ breast cancer in post-menopausal women with pre-existing osteoporosis?
Would you consider omitting treatment if small tumor and early stage? Or would you use tamoxifen?
2 Answers available
How would you approach a locally recurrent HER2 positive breast cancer patient previously treated with TCHP, lumpectomy, and a year of adjuvant TDM-1?
Patient was initially ER positive, HER2 positive. Currently she is on letrozole. Recurrence is ER/PR negative and HER2 positive and developed almost 2...
1 Answer available
Would you be comfortable starting tamoxifen for a HR+ breast cancer patient with a history of early stage endometrial cancer treated via hysterectomy?
1 Answer available
Would you offer adjuvant chemotherapy to a post menopausal woman with T1-T3 primary tumor with 4 positive axillary LNs and OncotypeDX score less than 15?
2 Answers available
In which situations do you offer neoadjuvant chemotherapy for a nodal recurrence alone of ER/PR positive, HER2 negative breast cancer?
Patient is young and reoccurrence is one year after initial diagnosis of T1cN0 ER/PR positive, HER2-negative breast cancer treated with mastectomy, bu...
1 Answer available
Do you plan to offer adjuvant olaparib to all gBRCA+ breast cancer whether TNBC or HR+?
In subset analyses of OlympiA there seems to be smaller magnitude of benefit among HR+ patients. In your opinion, should adjuvant olabarib be offered ...
3 Answers available
How would you treat a post-menopausal woman found to have a node-negative ipsilateral HR+ breast cancer recurrence with pectoral muscle invasion following a prior mastectomy, radiation, and AI therapy completed > 5 years ago? 
1 Answer available
What is your approach to chemoprevention for HR+ DCIS in the ipsilateral breast in a patient who already completed 7 years of an AI for a prior HR+ invasive breast cancer?
Patient underwent mastectomy for DCIS in the setting of previous lumpectomy and adjuvant radiation for the invasive breast cancer. 
2 Answers available
How and on which specimens will you perform Ki-67 testing in newly diagnosed breast cancer?
Should this be sent on initial biopsy or on surgical pathology? What if an initially high risk patient has good risk findings post-operatively?What ha...
4 Answers available
How do you incorporate oncotype Dx recurrence score when planning adjuvant CDK 4/6 inhibitor for high risk early stage HR+ breast cancer?
1 Answer available
Would you offer adjuvant abemaciclib to node-positive patients with low ER expression?
For instance, ER/PR >1% but <10% and Ki67 >50%
3 Answers available
How do you approach treatment in premenopausal patients who develop a contralateral HR+ breast cancer while already on tamoxifen and ovarian function suppression?
How would you manage endocrine therapy 7 years after the original ER+/PR+/HER2- IDC, while on adjuvant tamoxifen/OFS develops a contralateral ER+/PR+/...
2 Answers available
How do you view the use of adjuvant CDK4/6 inhibitors overall given discordant results between MonarchE and PALLAS?
Are there factors to explain why MonarchE was a positive study and PALLAS was not? 
4 Answers available
Would you offer adjuvant abemaciclib + an aromatase inhibitor to a patient with a local HR+HER- breast cancer reoccurrence while on tamoxifen that meets high-risk criteria?
High-risk criteria meaning >4 positive nodes and Ki67 >20%
3 Answers available
Is there a clinically significant increased risk of venous thromboembolism with the use of fulvestrant for metastatic HR+ breast cancer?
In a patient with a history of VTE (now off anticoagulants), is it safe to administer fulvestrant?
1 Answer available
Would you use OncoType Dx to guide adjuvant therapy recommendations in the context of locally recurrent, node-negative, ER+ breast cancer previously treated with endocrine therapy alone?
No oncotype was sent on the original breast cancer.
1 Answer available
Does a very high Oncotype score influence your approach to adjuvant treatment in a patient with ER positive breast cancer?
For example, does a higher recurrence score influence your choice of TC versus AC-T?  Or your choice to add ovarian suppression to a premenopausa...
2 Answers available
Is there a role for extended adjuvant neratinib with pCR after neoadjuvant chemotherapy in triple positive breast cancer?
1 Answer available
Would you consider a CDK 4/6 inhibitor in combination with endocrine therapy for a patient with ER low (1-9%) metastatic breast cancer?
In which situations would you consider this a reasonable treatment option? 
1 Answer available
How do you treat leptomeningeal disease in metastatic HR+ HER2- breast cancer?
The patient is treatment naïve and asymptomatic. She also has disease in the body (bone and liver metastases). 
1 Answer available
What is the optimal sequence of systemic therapy for a patient with HR+, gBRCA mutated metastatic breast cancer?
1 Answer available
Would you consider a treatment holiday in a patient with HR+ oligometastatic breast cancer who is in a prolonged remission?
The patient initially received definitive therapy with AC-T and RT to the breast as well as RT to a solitary bone lesion. She has been on AI for the l...
3 Answers available
Would you use aspirin 81 mg for VTE prophylaxis in patients on adjuvant tamoxifen/SERMs?
Is there data that it actually helps?
1 Answer available
Would you treat a postmenopausal women with high grade T2N0 ER-, PR+, HER2- invasive ductal carcinoma with upfront surgery or neoadjuvant chemotherapy?
ER <1%; PR 45%, Her2 negative by IHC and FISH. Grade 3, Ki67: 80%.
1 Answer available
How do you manage HR+HER2 negative ILC metastatic recurrence in a post-menopausal woman with extensive GI involvement complicated by a small bowel obstruction?
Patient was on tamoxifen when progression occurred; unable to tolerate adjuvant AI.
1 Answer available
In light of RxPonder results for postmenopausal women with early stage node positive HR+HER2- breast cancer, when is there a role for full axillary LN dissection to confirm degree of nodal involvement and when would sentinel LN evaluation be sufficient?
How would this affect adjuvant radiation plan in breast conservation therapy patients and mastectomy patients?
1 Answer available
How does age factor into your planning whether to give a high risk pre-menopausal patient with breast cancer ovarian function suppression?
Do you have a specific age cutoff?
2 Answers available
How would you manage adjuvant endocrine therapy for a postmenopausal patient with early stage HR+ breast CA who develops an ischemic CVA on an AI?
Presuming that work-up for cardioembolic sources is negative, how would you proceed?
1 Answer available
Do you discontinue anti-hormonal therapy if a high-risk ER+ HER2- localized breast cancer patient develops blood clots on anti-hormonal therapy?
How would you approach a patient who is intolerant of AI and develops thrombosis while on SERM?
3 Answers available
Would you consider using OncoType Dx testing in a patient with breast cancer if nodal evaluation is not performed?
No sentinel lymph node biopsy was performed 
1 Answer available
Would you use OncoType in a postmenopausal female with HR+/HER2- with LN involvement who clinically meets RxPONDER criteria of 1-3 LN to guide the use of neoadjuvant chemotherapy?
How would the use of Oncotype guide your management in the neoadjuvant setting?
2 Answers available
Would you modify the dose of aromatase inhibitors or selective estrogen receptor modulators in patients who have a history of gastric bypass or other malabsorptive conditions/surgeries?
1 Answer available
How would you manage a premenopausal female with cT2cN0 HR+/HER2-negative breast cancer who received neoadjuvant TC for high OncoType, had no pathologic response to therapy and upstaged to pT2N1 on surgery?
What adjuvant therapies would you recommend?
2 Answers available
In a patient with HR+ breast cancer who is not able to tolerate adjuvant AI or standard dose tamoxifen due to side effects, would you consider a lower dose of tamoxifen?
1 Answer available
What adjuvant chemotherapy would you recommend in a premenopausal patient with pT1cN1 HR+ breast cancer who previously received an anthracycline and cyclophosphamide 30 years prior?
The patient was diagnosed with Ewing’s Sarcoma at the age of 10 and completed 6 cycles of vincristine, ifosfamide, etoposide, adriamycin 75 mg/m...
2 Answers available
What endocrine therapy would you recommend for a perimenopausal female with a low risk Oncotype, HR+, HER2-negative, SLNB negative breast cancer who is clinically postmenopausal but with FSH, LH and estradiol that are not in the postmenopausal range?
1 Answer available
Would you consider de-escalating treatment to endocrine therapy alone in a patient with prolonged NED on CDK 4/6 inhibitor + endocrine therapy?
Patient is on fulvestrant+CDK 4/6 inhibitor and with NED for 5 years. In which cases would you consider stopping CDK 4/6 inhibitor? 
1 Answer available
In cases in which Oncotype DX test is not available, how do you decide which patients with HR+ and Her2- breast cancer are candidates for adjuvant chemotherapy?
How would your management differ in pre- and post-menopausal females?
1 Answer available
Would you recommend extended adjuvant endocrine therapy if a patient tolerated 5 years thus far but Breast Cancer Index (BCI) shows a high risk of recurrence with low likelihood of benefit from extended therapy?
6 Answers available
What adjuvant treatment (if any) would you recommend for a post-menopausal patient with a borderline T1b (0.5 cm) grade 2 ER+/PR+/HER2 negative invasive lobular breast CA after bilateral mastectomies?
1 Answer available
How would you manage adjuvant therapy for a premenopausal female with a T1cN1mi breast IDC that is HR+ HER2 positive on biopsy, but HR+ HER2 negative on lumpectomy surgical specimen?
<40y/o female w/ initial biopsy showing G3 IDC with 80% ER+, 90% PR+, and HER2 positive (IHC 2+; 1.6 HER2/CEP17 ratio and 6.3 HER2 copies/nucleus.)...
2 Answers available
Do you give chemotherapy to women with clinical features of high risk ER+ breast cancer, but a low Oncotype DX score?
Is there an age cutoff below which you would offer adjuvant chemotherapy regardless of Oncotype results? (Example: A 35 y/o woman with T2N0, ER+, sen...
4 Answers available
How would you treat HR positive, HER2 positive metastatic breast cancer in patients with a borderline or poor performance status?
1 Answer available
How would you modify adjuvant therapy for a patient with ER+ HER2+ breast CA with no response to neoadjuvant TCHP and develops pneumonitis on adjuvant TDM-1?
Would you use trastuzumab/pertuzumab, trastuzumab followed by neratinib, or another strategy?
1 Answer available
What adjuvant systemic therapy would you offer to a healthy elderly woman with a 5mm, node negative, grade 2 HR+HER2+ invasive lobular carcinoma?
Would you choose to incorporate HER2-targeting agents, chemotherapy, endocrine therapy, or a mix of these?
4 Answers available
How would you manage a patient with early stage ER+ HER2+ breast CA who cannot receive definitive local therapy due to severe cardiopulmonary co-morbidities?
How would your plan differ if the patient could eventually receive mastectomy once co-morbidities improve?
1 Answer available
Would you consider adjuvant capecitabine in a premenopausal patient with HR-positive inflammatory breast cancer who had residual disease after neoadjuvant chemotherapy?
Masuda et al., NEJM 2017
1 Answer available
What is your approach for endocrine therapy in young women (<35 years old) with HR+/HER2+ breast CA with residual disease after TCHP who will start adjuvant T-DM1?
3 Answers available
What would you recommend as the next line treatment in a post-menopausal woman with hormone receptor positive, HER2 positive breast cancer, with progression on T-DM1 in combination with aromatase inhibitor?
1 Answer available
Which adjuvant chemotherapy regimen would you recommend for a peri-menopausal woman with synchronous stage IA primary breast tumors, one that is ER+HER2+ and the second ER+HER2-?
1 Answer available
If neoadjuvant therapy is indicated for luminal A breast cancer, when do you decide to use chemotherapy versus endocrine therapy?
Are there particular patient characteristics (e.g. age, ER%, Ki67, grade) that make you more likely to choose neoadjuvant endocrine therapy?
1 Answer available
How do you manage adjuvant endocrine therapy for pre-menopausal women with locally advanced, weakly positive ER/PR, HER2 negative breast cancer?
Would a pCR to neoadjuvant chemotherapy change your management? (ER <5%, PR <5%)
1 Answer available
For anatomic stage III ER/PR+ breast cancer treated upfront with surgery, how do you decide which adjuvant chemotherapy to offer?
Do features such as nodal involvement, Ki-67, degree of ER positivity, etc. change your management? Would you use any gene expression assays to help y...
1 Answer available
Would you give anthracycline chemotherapy to a patient with HR+, HER2 negative inflammatory breast cancer who has history of cardiomyopathy with LVH and moderately reduced EF but most recent echo shows improvement to normal or near normal ejection fraction?
If no anthracycline, what alternative regimen would you consider? 
5 Answers available
What is your approach to tamoxifen use in women who are unable to discontinue a strong CYP2D6 inhibitor and who are unable to use or tolerate an AI?
2 Answers available
How long would you keep a patient on endocrine/dual anti HER-2 therapy after resection of a late (>5 years) oligometastatic recurrence of ER+ HER2+ breast CA?
For patients who remain NED for years, when would you feel it's appropriate to hold therapy?
1 Answer available
How do recent RxPonder results affect your adjuvant therapy choice for premenopausal women with HR+/HER2 negative breast cancer with 1-3 positive LNs?
Would you consider an Oncotype or Mammaprint? Would your management change if the patient had 1-3 positive LNs on SLNBx (as opposed to ALND)?
1 Answer available
How do you manage endocrine therapy for a perimenopausal woman with ER+ breast CA?
The woman was on on a GnRH agonist + AI due to her premenopausal status at diagnosis and now wants to know if she continues to need the GnRH agonist.&...
1 Answer available
What is your neoadjuvant chemotherapy of choice in patients with ER+ breast CA who are receiving neoadjuvant therapy with goal to convert to BCS from mastectomy?
Would your decision for anthracycline change if the patient were elderly?
1 Answer available
How would you manage an elderly patient with clinical stage IIIC ER positive breast cancer who refuses surgery, chemo and radiation treatment and willing to take only oral medications?
2 Answers available
Do you give adjuvant chemotherapy/trastuzumab to a premenopausal woman with a pT1aN0 HR+, Her2+ breast cancer?
3 Answers available
What are your recommendations for post-menopausal patients who would fit into RxPonder trial criteria (HR+/HER2- breast cancer, 1-3 positive LNs) and have already started on adjuvant chemotherapy?
Would you send Oncotype during chemotherapy if not sent already? Would you stop adjuvant chemotherapy if a prior Oncotype was 25 or less?
2 Answers available
Would you give a HER2 targeted agent to a patient whose initial cancer was ER/PR positive, HER2 negative but now with metastatic disease that is ER positive, PR negative, HER2 2+, FISH equivocal?
Patient has progressed through prior lines of endocrine therapy. 
1 Answer available
How do the new RxPONDER results affect your choice of adjuvant therapy for postmenopausal women with HR+/HER2 negative breast cancer and 1-3 positive lymph nodes?
Would you send an Oncotype RS to determine the role of adjuvant chemotherapy and/or endocrine therapy?
1 Answer available
Would you use a PARP inhibitor in metastatic ER/PR positive breast cancer with somatic BRCA1 mutation but negative for germline mutation?
2 Answers available
How would you approach adjuvant therapy for a young post-menopausal woman with a grade 3 pT1a (5mm) node negative ER+/HER2- invasive ductal carcinoma?
 Would you consider gene profiling to determine need for chemotherapy?
2 Answers available
How would you approach diagnosis of residual ovarian tissue in a patient with ER positive breast cancer, history of BSO, and a rising estradiol level on tamoxifen?
1 Answer available
Will you use ovarian function suppression in lieu of chemotherapy in premenopausal patients with pN1 ER+ HER2- breast CA with OncoType RS <25?
Knowing the differential effect seen with menopausal status in RxPONDER, would you avoid chemotherapy or still offer chemotherapy, given that only 15....
1 Answer available
How would you manage a middle aged woman with history of severe alcoholic liver cirrhosis and a small node negative ER/PR positive, HER2 negative breast cancer?
How would you balance the competing risks of these two diagnoses in her treatment?
3 Answers available
How would you manage adjuvant treatment of a patient with ER+/PR+/HER2+ breast cancer and a small amount of residual disease (e.g. T1mi) following neoadjuvant TCHP?
Patient had a clinical T2N0 cancer at diagnosis, completed 6 cycles TCHP, and had 0.2mm residual disease with 80% cellularity, negative sentinel node.
4 Answers available
Based on the results of MonarchE, would you offer adjuvant abemaciclib for HR+ patients who do not achieve pCR after neoadjuvant chemotherapy?
Referring to a high risk patient with cT3N1 disease and ypT2N0 disease following neoadjuvant chemotherapy.
3 Answers available
Are you more inclined to offer adjuvant chemotherapy for a post-menopausal woman after lumpectomy for a small TNBC who has a concurrent metastatic ER+ breast CA?
Any difference in recommendations if the patient was asymptomatic from her metastatic ER+ disease? (eg bone mets)
1 Answer available
When would you offer ovarian suppression in addition to endocrine therapy for premenopausal women who omit adjuvant chemotherapy?
How do clinical risk and Mammaprint/Oncotype scores affect your decision?
1 Answer available
Is there any role for alpelisib in a patient who has triple positive breast cancer and an activating PIK3CA mutation?
1 Answer available
How would you counsel a patient with HR+, HER2- breast cancer with an OncotypeDx ROR score of 0 who is refusing endocrine therapy?
2 Answers available
Would you treat an ER/PR+ inflammatory breast cancer that is HER2 2+ by IHC but 5% positive by FISH as HER2 positive?
2 populations of cells with 95% negative by FISH (ratio 1.07) and 5% positive by FISH (ratio 10)
1 Answer available
What adjuvant therapy would you recommend for a premenopausal patient with ER/PR+, HER2 negative T2N0 breast cancer s/p mastectomy, low OncotypeDx score and in first trimester of pregnancy?
3 Answers available
Would you offer adjuvant chemotherapy for 1-3 node positive HR+, HER2 negative breast cancer with Mammaprint low risk to a young, pre-menopausal patient?
Based on MINDACT update from 2020, a 5% difference in DMFS for patients 50 years or younger was noted, favoring treatment with chemotherapy (93.6%; 95...
2 Answers available
How do you manage a breast cancer patient with discordance in hormone receptor status with IHC and Oncotype?
1 Answer available
Do you approach the treatment of post-lumpectomy DCIS which is only present within an intraductal papilloma differently, if it does not involve adjacent breast tissue?
What considerations do you take for post-lumpectomy radiation and endocrine therapy?
2 Answers available
Would you offer adjuvant chemotherapy to a premenopausal patient with ER/PR+ breast cancer, nodal micrometastasis, low OncotypeDx score but also BRCA2 carrier?
1 Answer available
How do you manage ovarian suppression for premenopausal patients with HR+/HER2 positive breast cancer?
Does lymph node positivity change your management?
1 Answer available
How would you manage a premenopausal woman with a poorly differentiated pT2 HR+/HER2- breast cancer and 3/3 SLNs with ITCs?
Would you consider ALND and /or XRT to axilla?
1 Answer available
How would you council a woman in her 50s with Stage I HR+/HER2- breast cancer with a high risk Mammaprint but intermediate OncotypeDx regarding adjuvant chemotherapy?
3 Answers available
Do you consider adjuvant chemotherapy for older women >75 years of age, with HR+ invasive ductal carcinoma and 3 positive LN however intermediate risk recurrence scores?
1 Answer available
Would you use a platinum containing regimen such as docetaxel + carboplatin for an aggressive ER+ breast cancer in a patient with a deleterious mutation in ATM?
1 Answer available
Would you treat a premenopausal woman with T2N0 ER-, PR+ (15-20%), HER2- breast cancer with neoadjuvant chemotherapy like a triple negative breast cancer?
6 Answers available
Would you offer chemotherapy to a postmenopausal woman with microinvasive ER/PR positive, Her2 negative invasive ductal carcinoma with a single lymph node metastasis and insufficient tissue for Oncotype testing? 
2 Answers available
Does ER+ status impact your choice of neoadjuvant systemic therapy in premenopausal women with cT2N0 HER2+ breast cancer?
How would your treatment change given pCR rates are reportedly much lower in triple positive patients?
3 Answers available
For a patient with isolated CNS recurrence of HR+HER2+ breast cancer after completion of adjuvant therapy, what, if any, systemic therapy would you start after completion of local therapy?
Of note, the patient received cytotoxic plus HER2 directed adjuvant therapy but declined endocrine therapy. 
2 Answers available
Is there a role for endocrine therapy alone in patients with metastatic HR+, HER2+ breast cancer after all HER2 directed therapies have been used?
1 Answer available
How would you approach adjuvant endocrine therapy after excision of a hormone positive recurrence after mastectomy who finished 5 years of aromatase inhibitor for the same primary tumor?
1 Answer available
What other chemotherapy would you consider in a patient with high-risk node positive ER+, HER2- disease that developed pulmonary toxicity to paclitaxel and refuses any more taxanes?
She had already completed ddAC and two cycles of paclitaxel before the reaction.
1 Answer available
When do you choose a non-anthracycline containing regimen, such as docetaxel/cyclophosphamide, for patients with hormone receptor positive, HER2 negative breast cancer who warrant adjuvant chemotherapy?
Recent EBCTCG meta-analysis published in Lancet 4/2023. https://doi.org/10.1016/S0140-6736(23)00285-4
5 Answers available
What second line treatment would you choose for a post menopausal woman with HR+ HER2+ metastatic breast cancer with low burden disease treated with first line aromatase inhibitor and trastuzumab?
1 Answer available
Are pre-menopausal women on tamoxifen at risk for endometrial cancer?
Pre-menopausal women make progesterone and their menses are typically lighter on tamoxifen because it's a mild endometrial ER stimulant blocking their...
3 Answers available
Do you offer local treatment to the breast primary in patients with de novo oligometastatic hormone positive breast cancer?
How has your practice been impacted by the ECOG 2108 (Khan et al. ASCO 2020 Abst LBA2)? Are there sites or distribution of disease that prompt you to ...
1 Answer available
For a post-menopausal patient with a pT2N0 HR+/HER2- breast cancer at surgery after 4 months of neoadjuvant anastrozole with minimal clinical or pathologic response, would you utilize genomic testing to guide decision about adjuvant chemotherapy?
Would you test initial core biopsy (prior to neoadjuvant anastrozole) or surgical specimen? Any preference for Oncotype vs. Mammaprint?
1 Answer available
When would you consider fulvestrant + alpelisib in a postmenopausal patient who has HR+, PIK3CA mutant, metastatic breast cancer instead of initial CDK4/6 inhibitor therapy?
1 Answer available
How would you approach adjuvant treatment of an early stage HR+ HER2+ cancer if the patient had already been taking an aromatase inhibitor for a contra-lateral HR+ early stage breast cancer?
Interest in approach for elderly population especially 
3 Answers available
How do you approach continuing vs discontinuing ovarian suppression for high risk HR+ breast cancer when a patient becomes post-menopausal?
1 Answer available
How do you approach a stage IIIC triple positive IDC, s/p neoadjuvant TCH and P, lumpectomy, and ALND with significant residual disease at the time of surgery?
Would you recommend additional cytotoxic chemotherapy and/or switch her anti-Her therapy to T-DM1?
5 Answers available
How do you approach recommending tamoxifen in a premenopausal woman with Li Fraumeni syndrome and early stage low risk ER+ breast cancer?
How do you counsel regarding uterine sarcoma risk?
1 Answer available
What would you advise a breastfeeding woman with localized HR+ breast cancer in terms of risk of progression with breastfeeding prior to local therapy with surgery?
What timeframe would you suggest to stop breastfeeding? From affected breast or both breasts?
1 Answer available
How would you approach systemic therapy for a postmenopausal female with metastatic ER+/HER2+ breast cancer (liver/bone) who achieved a CR for 5 years on trastuzumab/pertuzumab and exemestane, with continued asymptomatic brain progression?
Asymptomatic brain progression despite CNS surgery and SRS x2 over the past 2 years.
1 Answer available
Can fulvestrant cause a tumor flare reaction in hormone receptor positive breast cancer?
1 Answer available
How would you approach a patient who responded to CDK4/6 inhibitor/endocrine therapy combination for metastatic HR+,HER2- breast cancer who now has disease progression which is biopsy proven TNBC?
Progression was observed only in the breast and required palliative mastectomy (T4b TNBC)
1 Answer available
How would you approach a postmenopausal woman with Stage I HR+,HER2- breast cancer who had a CVA while on tamoxifen?
3 Answers available
In the setting of COVID-19, would you perform a SLNB for a patient incidentally found to have microinvasive ER+ ILC in contralateral prophylactic mastectomy following neoadjuvant chemotherapy for a locally advanced triple positive breast cancer?
2 Answers available
Would you offer adjuvant therapy to a patient who underwent bilateral mastectomies for DCIS and was found to have isolated tumor cells on sentinel node biopsy?
She had had 4 prior biopsies. Would the fact that she received 2 months of neoadjuvant tamoxifen due to COVID change your approach?
1 Answer available
How do you approach use of tamoxifen in premenopausal patients who developed ovarian cysts while on therapy?
For example- do you have experience using a LHRH agonist along with tamoxifen?
1 Answer available
What pathologic response criteria do you use to determine the need for further adjuvant therapy in patients with breast cancer?
While the KATHERINE trial for HER2+ used path staging, CREATE-X for TNBC with capecitabine used the Japanese Breast Cancer Society response criteria. ...
1 Answer available
Would you consider adjuvant TDM-1 for a patient with HR+,HER2+ breast cancer with pCR in the breast but N1mic disease post neoaduvant chemotherapy?
1 Answer available
What would you use as adjuvant endocrine therapy for a patient who developed an invasive, hormone receptor positive breast cancer while on raloxifene for almost a decade prior?
Out of curiosity, I did tumor testing, and she does not have an activating ESR1 mutation.
1 Answer available
How would you approach a post-menopausal women with recurrent ER/PR+, HER2- breast cancer only in the axillary lymph nodes?
< 4 lymph nodes involved, initial diagnosis was 11 years ago when she was treated with mastectomy and adjuvant tamoxifen for 5 years.
5 Answers available
Would you consider using CDK 4/6 inhibitors in a patient with end stage renal disease (ESRD) along with an aromatase inhibitor?
If so, please describe your experience and dosing.
1 Answer available
How do you approach discussion of adjuvant chemotherapy for a T1b (0.5 cm) hormone positive breast cancer with high risk features and an Oncotype Score of 31?
1 Answer available
Would you consider OFS in a young patient (<35) with ER+ breast cancer who required chemotherapy and menses resumed years later while on tamoxifen?
If the cancer was also HER2+, would that influence your decision? 
2 Answers available
What is your strategy for a patient who develops an enlarging ipsilateral axillary lymph node shortly after undergoing mastectomy and ALND for a pT2N3 ER+/HER2+ right breast cancer?
This patient underwent mastectomy and ALND (10/28 positive lymph nodes). Immediately following axillary LN dissection (and prior to radiation) imaging...
1 Answer available
What is your strategy for ovarian suppression if unable to achieve goal estradiol levels with leuprolide 3.75mg monthly dose?
Data from the SOFT/TEXT trials showed clinical benefit in ovarian suppression + aromatase inhibition for high risk, premenopausal ...
3 Answers available
How would you approach a patient with HR+, HER2- metastatic breast cancer who is endocrine resistant, with bone marrow involvement and pancytopenia?
How would this change if the patient had metastatic HR+,HER2- breast cancer and now has symptomatic pancytopenia secondary to BM involvement after TCH...
5 Answers available
Would you consider adding neoadjuvant endocrine therapy in a patient with HR+, HER2- breast cancer who has not clinically responded to neoadjuvant chemotherapy?
She has received 4 cycles of AC with no clinical response and is now pending completion with Taxol.
1 Answer available
Would you choose neoadjuvant endocrine therapy for a low grade, node negative, ER/PR positive, breast cancer given delays in definitive surgery due to the COVID-19 pandemic?
Would your choice vary based on the patient's gender?
1 Answer available
How would you approach adjuvant therapy in a patient with HR+ breast cancer with a high RS (>25) given the current COVID-19 pandemic?
Would you consider delaying chemotherapy and proceeding only with endocrine for now?
2 Answers available
How would you treat an elderly female with metastatic HR+,HER2- breast cancer on endocrine therapy who now has progressive bone only disease?
Initially treated with anastrozole, current treatment is with fulvestrant.  
3 Answers available
How would you approach a premenopausal woman with HR+, HER2- metastatic breast and a PIK3CA mutation?
1 Answer available
How would you treat a patient with locally advanced HR+ breast cancer with contralateral axillary lymph node involvement?
No primary identified in the contralateral breast. No distant metastasis identified.
1 Answer available
How would you treat a patient with HR+,HER2- metastatic breast cancer with a gBRCA mutation who has progressed on endocrine therapy with a new pericardial effusion?
2 Answers available
How do you approach a pre-menopausal female with HR+ breast cancer with discordant IHC and OncotypeDx ER expression?
IHC: ER 70%; PR 70% OncotypeDx: ER - Negative; PR - Positive
1 Answer available
How would you approach a patient with T3 HR+,HER2- breast cancer who had no clinical improvement after ddAC?
Do you proceed with Paclitaxel or go to surgery instead?
2 Answers available
How do you approach recurrent, localized HR+, HER2- breast cancer in a patient who has progressed on exemestane (and previously on letrozole and tamoxifen)?
2 Answers available
Would you use a NTRK TKI for a patient with metastatic HR+, HER2- breast cancer with a complex NTRK3 gene re-arrangement on Foundation testing?
ie, not a classic NTRK3-ETV6 fusion.The patient has progressed through CDk4/6 inhibitors and intolerant of alpelisib, and does not want chemotherapy.&...
1 Answer available
Do you change systemic endocrine therapy for a patient who progresses only in the brain after SRS for metastatic HR+ breast cancer?
She has no other site of disease progression and has been on an aromatase inhibitor (progressed in the CNS while on a study with adjuvant abemaciclib)...
1 Answer available
How would you approach adjuvant therapy for a premenopausal female with HR+, HER2+ breast cancer with N1mic disease?
Stage T1bN1mic
2 Answers available
Would you offer neoadjuvant immunotherapy in addition to chemotherapy for locally advanced HR+ breast cancer based on the I-SPY 2 data?
2 Answers available
How would you approach a postmenopausal female with localized ER+ breast cancer on adjuvant anastrozole with a rising estradiol level?
Pre-treatment estradiol: <5 Estradiol after 1 yr: 35
3 Answers available
Would you re-introduce bisphosphonate or denosumab in a bone-only metastatic ER+ breast cancer patient with history of osteonecrosis of the jaw?
2 Answers available
Would you use neoadjuvant CDK4/6 inhibitor and AI in HR+ breast cancer based upon the randomized phase II CORALLEEN trial?
https://www.ncbi.nlm.nih.gov/pubmed/31838010
1 Answer available
In a patient with early stage HR+ breast cancer who was perimenopausal at diagnosis but intolerant of AI, would you consider extending tamoxifen beyond 10 years?
In the absence of side effects, would you be inclined to continue beyond 10 years as chemoprevention? Would you factor an intermediate/high oncotype R...
2 Answers available
What factors influence your decision regarding whether to administer a dose-dense chemotherapy regimen in the adjuvant setting to patients with hormone-receptor postive disease?
Data presented at the 2017 SABCS (abstract GS1-01) of the EBCTCG meta-analysis stating a benefit of dose-dense chemotherapy applies to ER positive and...
2 Answers available
What do you recommend for women on AI therapy who experience excessive hair loss?
2 Answers available
How would you treat a postmenopausal woman with recurrent, localized ER+,HER2- breast cancer to the contralateral breast while on AI?
4 Answers available
In a patient with HR+HER2+ early breast cancer who is receiving adjuvant T-DM1 for residual disease, do you overlap endocrine therapy with T-DM1?
2 Answers available
For premenopausal patients with early stage HR+ breast cancer for whom you are recommending tamoxifen, how do you select patients for extended endocrine therapy?
Are there clinical scenarios in which 5 years of tamoxifen alone remains sufficient?
1 Answer available
Would a low or intermediate OncoType RS affect your choice of adjuvant endocrine therapy for a premenopausal woman with high clinical risk HR+ early stage disease?
Would you offer AI + OFS or tamoxifen to a woman with a grade 3 T2N0 tumor and OncoType of 15?
3 Answers available
Would you offer additional therapy for a patient with HR+ breast cancer on AI+OS who is found to have a focus of ovarian metastasis at the time of elective BSO?
Additionally, would the finding of any mutations, such as ESR1, change your recommendation? 
2 Answers available
Does germline BRCA 1/2 mutation status impact your use of OncoType Dx for early stage ER positive breast cancers in post-menopausal women?
Would you offer adjuvant chemotherapy to a post-menopausal woman with a BRCA2 mutation and a T2N0 ER positive breast cancer with an oncotype of 12?
1 Answer available
Would you offer adjuvant HER 2 directed therapy for ER+/PR+/HER2+ pT1-T2 N0 papillary carcinoma of the breast?
It is included in favorable histologies on NCCN, but no mention of how to treat based off HER2 status.
1 Answer available
What is your preferred chemotherapy regimen for patients with peripheral neuropathy and high risk HR+/HER2- breast cancer?
1 Answer available
What factors influence whether you order OncotypeDx in HR+ node negative ILC?
1 Answer available
Does a complete pathologic response to neoadjuvant chemotherapy affect the duration of endocrine therapy/OFS that you recommend for a premenopausal patient with HR+/Her2+ breast cancer?
1 Answer available
How do you decide which patients need extended adjuvant endocrine therapy?
1 Answer available
How would you approach a patient with metastatic ER/PR+,HER2- breast cancer with linear leptomeningeal enhancement on MRI but negative CSF protein and cytology?
She had disease progression on palbociclib and letrozole. She also has a PIK3CA mutation however did not tolerate alpelisib due to Grade 3 hyperglycem...
1 Answer available
How do you approach a post-menopausal female with early stage ER+,HER2+ breast cancer s/p lumpectomy with invasive ductal histology and lymph node involvement with invasive lobular histology? 
Margins were negative and there was no evidence of LCIS or lobular component in the lumpectomy specimen. Role for possible mastectomy?
3 Answers available
What adjuvant endocrine therapy would you recommend for patients who have undergone prior gastrectomy?
More generally, do absorption issues effect the efficacy of tamoxifen and/or aromatase inhibitors?
1 Answer available
How would you approach a post-menopausal female with both a previously HR+ HER2- breast cancer and HR- HER2+ breast cancer with new brain metastasis?
How would you figure out how to treat someone with a prior localized HR+,HER2- breast cancer treated with adjuvant AC-T (5years ago) and a recent ipsi...
1 Answer available
How would you approach a young patient with ER+/Her2- bilateral breast cancer with a solitary bone metastasis?
Would you consider an aggressive approach with RT and/or surgery to the bone lesion and treat the primary as locally advanced breast cancer?
1 Answer available
How would you approach a patient with ER+,HER2- T4N0 breast cancer with chest wall involvement?
Role of neoadjuvant TC vs. anthracycline based regimen?
1 Answer available
How would you manage a postmenopausal female with a history of early stage invasive ductal ER+/HER2- breast cancer s/p mastectomy who has a local recurrence of ER+/Her2 - lobular carcinoma while on letrozole?
2 Answers available
How would you approach a patient with metastatic ER+/Her2+ who has progressed on trastuzumab/pertuzumab + tamoxifen after being in remission for 4yrs?
2 Answers available
What is optimal timing or sequencing of therapy for patients with synchronous locally advanced triple negative breast cancer and ovarian cancer with peritoneal carcinomatosis?
2 Answers available
How do you use neratinib in HR+ HER2+ patients in the adjuvant setting if patients got adjuvant T-DM1 for residual disease after neoadjuvant therapy?
Neratinib was studied following adjuvant trastuzumab. Do you extrapolate that data to give neratinib to patients who have received adjuvant T-DM1 inst...
1 Answer available
For triple positive metastatic breast cancer, is there a role for aromatase inhibitor + CDK 4/6 inhibitor with Her2 directed therapy in a patient that refuses chemotherapy?
Patient defers chemotherapy. She is currently on anastrozole/Herceptin and perjeta with a response but it is suboptimal. I would like to add a CDK 4/6...
2 Answers available
Would you change treatment for denovo stage IV breast cancer Her 2 positive, ER positive in remission now with isolated brain metastasis?
The patient received THP and now is on maintenance HP when she developed CNS disease.
3 Answers available
How would you treat a patient with a known history of ER/PR 90% and HER2 negative who develops skeletal metastatic disease on adjuvant endocrine therapy but now ER is only 2% and is PR and HER2 negative?
Initially stage 1 disease with high risk Mammaprint recurrence risk completed adjuvant chemo 15 months ago. 
1 Answer available
How would you treat a young patient with good performance status who has de novo metastatic HR+ Her2+ inflammatory breast cancer with asymptomatic leptomeningeal and CNS parenchymal disease?
1 Answer available
Can you use Oncotype for determining adjuvant therapy in a young, premenopausal woman with multifocal HR+ breast cancer s/p mastectomy with 2 positive lymph nodes?
1 Answer available
Is there a role for the neoadjuvant use of CDK 4/6 inhibitors with endocrine therapy in patients with well differentiated and/or invasive lobular histology who desire breast conservation?
The use of neoadjuvant CDK 4/6 inhibitors is not standard of care, but there are clinical trials looking at this question and patients who are chemoth...
1 Answer available
What is the role of neo-adjuvant chemotherapy in triple positive cT1c N0 breast cancer especially after recent data from KATHERINE trial?
Clinical T1c patients were included in the KATHERINE trial that often are treated with adjuvant paclitaxel and trastuzumab
1 Answer available
How do you utilize CDK 4/6 inhibitors in metastatic ER+ HER2+ breast cancer?
One such patient progressed through trastuzumab/pertuzumab/letrozole and TDM1 alone.  How would you combine ER+ approaches (eg CDK 4/6 inhibitor ...
1 Answer available
Is a tumor ever too small to send off a genomic assay like Oncotype or Mammoprint in HR positive, HER2 negative stage 1 breast cancer?
There is a gray area in clinical decision making where the practice seems to be different for borderline size tumors such as a 7 mm T1b lesion with no...
1 Answer available
Are Mammaprint and OncotypeDx as useful in stratifying risk in patients with early stage HR+, HER2 negative lobular carcinomas, as in those with ductal carcinomas?
1 Answer available
In a patient with resected ER+ HER2- breast cancer, how do you decide between TC vs ddAC-T for adjuvant chemotherapy?
Do you have a cutoff in terms of tumor size, number of LN, Oncotype score, etc that makes you choose lower vs higher intensity chemo?
1 Answer available
What would you choose as second-line therapy in patients with ER/PR-positive, HER2-negative metastatic breast cancer progressing on first-line CDK 4/6 inhibitor/AI combination?
Assume good compliance with oral therapy, equivalent access to either agent, no contraindictions to either therapy, and absence of any visceral crisis...
3 Answers available


Papers discussed in this category

The New England journal of medicine, 2018-07-12
Adjuvant Chemotherapy Guided by a 21-Gene Expression Assay in Breast Cancer.
Clinical breast cancer, 2010-12-01
Dose dense cyclophosphamide, methotrexate, fluorouracil is feasible at 14-day intervals: a pilot study of every-14-day dosing as adjuvant therapy for breast cancer.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2017-08-10
Anthracyclines in Early Breast Cancer: The ABC Trials-USOR 06-090, NSABP B-46-I/USOR 07132, and NSABP B-49 (NRG Oncology).
Lancet (London, England), 2014-03-22
Anastrozole for prevention of breast cancer in high-risk postmenopausal women (IBIS-II): an international, double-blind, randomised placebo-controlled trial.
The New England journal of medicine, 2011-06-23
Exemestane for breast-cancer prevention in postmenopausal women.
Journal of the National Cancer Institute, 2005-09-07
Randomized trial of letrozole following tamoxifen as extended adjuvant therapy in receptor-positive breast cancer: updated findings from NCIC CTG MA.17.
The New England journal of medicine, 2016-07-21
Extending Aromatase-Inhibitor Adjuvant Therapy to 10 Years.
European radiology, 2022 May 07
Background parenchymal enhancement in contrast-enhanced MR imaging suggests systemic effects of intrauterine contraceptive devices.
The Cochrane database of systematic reviews, 2020 Dec 21
Levonorgestrel intrauterine system for endometrial protection in women with breast cancer on adjuvant tamoxifen.
N Engl J Med,
Overall Survival with Ribociclib plus Letrozole in Advanced Breast Cancer.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2017-09-01
MONARCH 2: Abemaciclib in Combination With Fulvestrant in Women With HR+/HER2- Advanced Breast Cancer Who Had Progressed While Receiving Endocrine Therapy.
Clinical cancer research : an official journal of the American Association for Cancer Research, 2017 May 22
MONARCH 1, A Phase II Study of Abemaciclib, a CDK4 and CDK6 Inhibitor, as a Single Agent, in Patients with Refractory HR/HER2 Metastatic Breast Cancer.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2023 May 19
Randomized Phase II Trial of Endocrine Therapy With or Without Ribociclib After Progression on Cyclin-Dependent Kinase 4/6 Inhibition in Hormone Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative Metastatic Breast Cancer: MAINTAIN Trial.
Lancet (London, England), 2016-12-17
Fulvestrant 500 mg versus anastrozole 1 mg for hormone receptor-positive advanced breast cancer (FALCON): an international, randomised, double-blind, phase 3 trial.
Breast cancer research and treatment, 2014-01
A phase II study of combined fulvestrant and everolimus in patients with metastatic estrogen receptor (ER)-positive breast cancer after aromatase inhibitor (AI) failure.
Lancet (London, England), 2013-03-09
Long-term effects of continuing adjuvant tamoxifen to 10 years versus stopping at 5 years after diagnosis of oestrogen receptor-positive breast cancer: ATLAS, a randomised trial.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2008-04-20
Late extended adjuvant treatment with letrozole improves outcome in women with early-stage breast cancer who complete 5 years of tamoxifen.
Journal of the National Cancer Institute, 2013-07-17
Prediction of late disease recurrence and extended adjuvant letrozole benefit by the HOXB13/IL17BR biomarker.
Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2016-09-01
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