Source: FDA, National Drug Code (US) Revision Year: 2020
DEMSER (metyrosine) is (–)-α-methyl-L-tyrosine or (α-MPT). It has the following structural formula:
Metyrosine is a white to off-white, crystalline compound of molecular weight 195.22. It is very slightly soluble in water, acetone, and methanol, and insoluble in chloroform and benzene. It is soluble in acidic aqueous solutions. It is also soluble in alkaline aqueous solutions, but is subject to oxidative degradation under these conditions.
DEMSER is supplied as capsules for oral administration. Each capsule contains 250 mg metyrosine.
Inactive ingredients are colloidal silicon dioxide, gelatin, hydroxypropyl cellulose, magnesium stearate, titanium dioxide, FD&C Blue 2 and edible black ink.
| How Supplied |
|---|
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DEMSER Capsules 250 mg are blue opaque capsules imprinted with “ATON/305” on body, and “DEMSER” on cap, filled with white to off-white granular free-flowing powder. They are supplied as follows: NDC 25010-305-15 bottles of 100 Dispense in a well-closed container. Distributed by: Bausch Health US, LLC, Bridgewater, NJ 08807, USA Manufactured by: Bausch Health Companies Inc., Steinbach, MB R5G 1Z7, Canada |
| Drug | Countries | |
|---|---|---|
| DEMSER | Japan, United Kingdom, United States |
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