When is it too late to start PARP manitenance after adjuvant chemotherapy in BRCA mutated ovarian cancer who had a delay in completing genetic testing?   

Niraparib's prescribing information specifies that in the first-line maintenance setting, patients should start treatment no later than 12 weeks after their most recent platinum-containing regimen. In the setting of maintenance after recurrent ovarian cancer, treatment should start no later than 8 w...