Drug

Hydrocodone

As of the edition of 20 October 2026, Hydrocodone is a small molecule: marketed, first approved in 1987 (US); acts on OPRD1, OPRK1 and OPRM1; no US protection is listed.

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

The drug

Status
Marketed; latest approval 1997
Kind
Small molecule
Brand name
Tussionex Pennkinetic
First approved
31 December 1987 (US)
Approvals on record
32 in 2 regions
Holder of the most recent approval
ECI PHARMACEUTICALS LLC; 12 holders in all
Registered trials
63, 9 stopped early
Disease areas
Nervous system; Bones, joints and muscles; Injuries; Cancer; Mental health; Chemically induced

US protection

No US protection is listed.

The FDA registers list no drug-substance patent or exclusivity that counts for this drug.

This is the US only.

Companies that need a new molecule because of this drug

9 company-target rows on route B because of this drug.

Companies on route B for this drug

In the product

9 company-target rows are on route B because of Hydrocodone.

Targets

GeneProteinUniProt
OPRM1Mu-type opioid receptorP35372
OPRD1Delta-type opioid receptorP41143
OPRK1Kappa-type opioid receptorP41145

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated5212
Phase 1151104
Phase 2121011
Phase 3222011
Phase 49601
All trials63

Who has held its approvals

CompanyRoleYears
UCBApplicant and Lead sponsor of trials2002 to now
TevaLater holder and Lead sponsor of trials2010 to now
Purdue PharmaLater holder and Lead sponsor of trials2011 to now
Recro GainesvilleAcquired holder2021 to now
Knoa PharmaAcquired holder2026 to now