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Carbidopa Low-Dose

NYU Langone Health · Phase 2 active Small molecule

Carbidopa is a decarboxylase inhibitor that prevents the conversion of levodopa to dopamine, thereby increasing the availability of levodopa in the brain.

Carbidopa is a decarboxylase inhibitor that prevents the conversion of levodopa to dopamine, thereby increasing the availability of levodopa in the brain. Used for Parkinson's disease.

At a glance

Generic nameCarbidopa Low-Dose
Also known asLodosyn ®, DL-α-methyl-α-hydrazino-3, 4-dihydroxyphenyl-propionic acid, HMD, MK-486
SponsorNYU Langone Health
Drug classAromatic L-amino acid decarboxylase inhibitor
ModalitySmall molecule
Therapeutic areaNeurology
PhasePhase 2

Mechanism of action

By inhibiting the enzyme aromatic L-amino acid decarboxylase, carbidopa increases the levels of levodopa in the brain, allowing for more effective treatment of Parkinson's disease symptoms. This is particularly useful in low-dose formulations, where the goal is to minimize side effects while maintaining therapeutic efficacy.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results