Drug

Levodopa

As of the edition of 20 October 2026, Levodopa is a small molecule: marketed, first approved in 1973 (CH); acts on DRD3.

Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.

The drug

Status
Marketed; latest approval 2014
Kind
Small molecule
Brand name
Larodopa
First approved
27 June 1973 (CH)
Approvals on record
57 in 7 regions
Holder of the most recent approval
Zambon; 16 holders in all
Withdrawn from market
2 April 2019 (in some regions)
Registered trials
173, 13 stopped early
Disease areas
Nervous system; Mental health; Eye; Heart and blood vessels; Chemically induced; Inherited and neonatal

US protection

No US approval on record.

With no US approval on record there are no listed US patents or exclusivities.

This is the US only.

Companies that need a new molecule because of this drug

4 companies on route B because of this drug.

Companies on route B for this drug

In the product

4 companies are on route B because of Levodopa.

Target

GeneProteinUniProt
DRD3Dopamine receptor D3P35462

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated241641
Phase 1393610
Phase 2544425
Phase 3191801
Phase 4372166
All trials173

Who has held its approvals

CompanyRoleYears
RocheApplicant1973 to now
OrganonLater holder1973 to now
Orion PharmaApplicant2003 to now
NovartisApplicant and Lead sponsor of trials2004 to now
TakedaAcquired holder2005 to now
AbbVieLater holder and Lead sponsor of trials2006 to now
Acorda TherapeuticsLater holder and Lead sponsor of trials2012 to now
Merz Pharma GmbH & Co. KGaAAcquired holder and Lead sponsor of trials2025 to now
Tanabe PharmaLater holder2026 to now
ZambonLater holder2026 to now
Bausch HealthLater holder