Drug

Nalbuphine

As of the edition of 20 October 2026, Nalbuphine is a small molecule: marketed, first approved in 1982 (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 1982
Kind
Small molecule
Brand name
Nubain
First approved
1 January 1982 (US)
Approvals on record
6 in 1 region
Holder of the most recent approval
AbbVie; 2 holders in all
Registered trials
63, 3 stopped early
Disease areas
Lungs and airways; Skin and connective tissue; Nervous system; Mental health; Cancer; Injuries

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

1 company-target row on route B because of this drug.

Companies on route B for this drug

In the product

1 company-target row is on route B because of Nalbuphine.

Targets

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

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated201043
Phase 17700
Phase 26410
Phase 313930
Phase 417660
All trials63

Who has held its approvals

CompanyRoleYears
AbbottLater holder1993 to now
AbbVieAcquired holder2012 to now
Ph HealthAcquired holder2025 to now
Dupont MerckEarlier holder