Carbidopa

Carbidopa (Lodosyn) is a drug given to people with Parkinson's disease in order to inhibit peripheral metabolism of levodopa. This property is significant in that it allows a greater proportion of administered levodopa to cross the blood–brain barrier for central nervous system effect, instead of being peripherally metabolised into substances unable to cross said barrier.

Carbidopa
Clinical data
Trade namesLodosyn
AHFS/Drugs.comMonograph
License data
Legal status
Legal status
  • UK: POM (Prescription only)
  • US: ℞-only
Pharmacokinetic data
Protein binding76%
Metabolism7 metabolites known, not metabolized extensively
Elimination half-life2 hours
Identifiers
  • (2S)-3-(3,4-dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.044.778
Chemical and physical data
FormulaC10H14N2O4
Molar mass226.232 g·mol−1
3D model (JSmol)
Melting point203 to 205 °C (397 to 401 °F)
SMILES
  • O=C(O)[C@@](NN)(Cc1cc(O)c(O)cc1)C
  • InChI=1S/C10H14N2O4/c1-10(12-11,9(15)16)5-6-2-3-7(13)8(14)4-6/h2-4,12-14H,5,11H2,1H3,(H,15,16)/t10-/m0/s1 Y
  • Key:TZFNLOMSOLWIDK-JTQLQIEISA-N Y
 NY (what is this?)  (verify)
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