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Topics:
Neurology • Movement disorders
When is it appropriate to use the 10mg-100mg Carbidopa/Levodopa formulation?
Is there a clinical scenario in which using the 10mg/100mg Carbidopa/Levodopa formulation is preferred to or more beneficial than using the more commonly prescribed 25mg/100mg formulation?
Answer from: at Academic Institution
The lower dose of carbidopa means that it does not provide a sufficient amount of peripheral dopa decarboxylase inhibition (75 mg is required) especially if prescribed with the TID schedule. 25/100 is the minimal dose that should be used. I don’t see any role for the 10/100.
Some practitioner...
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Answer from: at Community Practice
I agree with Dr. @Waters. To Dr. @Wang's point, our center has previously published a small study on ultra-high doses of carbidopa with the thought being perhaps these doses could inhibit AADC within the brain and thus reduce the potency of levodopa. This was not shown to be the case. (Referenc...
Answer from: at Academic Institution
According to UpToDate it may be more effective to titrate with a tablet that has a carbidopa: levodopa ratio of 1:10 which can allow for better symptom control without exceeding the usual maximum dosage of carbidopa (typically 200mg/day). In my practice, I will generally change to sinemet 10/100mg t...