Stereochemistry | ABSOLUTE |
Molecular Formula | C9H11NO4 |
Molecular Weight | 197.1879 |
Optical Activity | UNSPECIFIED |
Defined Stereocenters | 1 / 1 |
E/Z Centers | 0 |
Charge | 0 |
SHOW SMILES / InChI
SMILES
N[C@@H](CC1=CC(O)=C(O)C=C1)C(O)=O
InChI
InChIKey=WTDRDQBEARUVNC-LURJTMIESA-N
InChI=1S/C9H11NO4/c10-6(9(13)14)3-5-1-2-7(11)8(12)4-5/h1-2,4,6,11-12H,3,10H2,(H,13,14)/t6-/m0/s1
Molecular Formula | C9H11NO4 |
Molecular Weight | 197.1879 |
Charge | 0 |
Count |
MOL RATIO
1 MOL RATIO (average) |
Stereochemistry | ABSOLUTE |
Additional Stereochemistry | No |
Defined Stereocenters | 1 / 1 |
E/Z Centers | 0 |
Optical Activity | UNSPECIFIED |
Levodopa (L-DOPA) was first isolated from seedlings of Vicia faba by Marcus Guggenheim in 1913. Levodopa, a dopamine precursor, is an effective and well-tolerated dopamine replacement agent used to treat Parkinson's disease. Oral levodopa has been widely used for over 40 years, often in combination with a dopa-decarboxylase inhibitor carbidopa, which reduces many treatment complications, extending its half-life and increasing levodopa availability to the brain. Entacapone, a catechol-O-methyltransferase inhibitor, can also be used to improve the bioavailability of levodopa, especially when used in conjunction with a carbidopa.
CNS Activity
Originator
Approval Year
Doses
AEs
Sourcing
PubMed
Patents
Sample Use Guides
Maximum dosage in a 24-hour period is eight tablets (Stalevo 50, containing 12.5 mg of carbidopa, 50 mg of levodopa and 200 mg of entacapone; Stalevo 75, containing 18.75 mg of carbidopa, 75 mg of levodopa and 200 mg of entacapone; Stalevo 100, containing 25 mg of carbidopa, 100 mg of levodopa and 200 mg of entacapone; Stalevo 125, containing 31.25 mg of carbidopa, 125 mg of levodopa and 200 mg of entacapone; Stalevo 150, containing 37.5 mg of carbidopa, 150 mg of levodopa and 200 mg of entacapone; Stalevo 200, containing 50 mg of carbidopa, 200 mg of levodopa and 200 mg of entacapone). The optimum daily dosage must be determined by careful titration in each patient.
Route of Administration:
Oral