Drug

Oxybate

As of the edition of 20 October 2026, Oxybate is a small molecule: marketed, first approved in 2002 (US); acts on GABBR1 and GABBR2; US protection ends in 2028.

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

The drug

Status
Marketed; latest approval 2005
Kind
Small molecule
Brand name
Xyrem
First approved
17 July 2002 (US)
Approvals on record
12 in 3 regions
Holder of the most recent approval
Jazz Pharmaceuticals; 5 holders in all
Registered trials
50, 4 stopped early
Disease areas
Nervous system; Mental health; Bones, joints and muscles; Lungs and airways; Ear, nose and throat; Chemically induced

US protection

US protection ends in 2028.

The last listed US exclusivity ends in 2028.

Alkermes holds a later exclusivity on its own new formulation or combination product, ending 2031; it does not protect the original drug.

This is the US only, and it is not the date generics or biosimilars can enter.

The exact date and the listings behind it

In the product

5 listings count towards this date. The exact date and each listing are in the product.

See the exact date and the 5 listings behind itRequest access. Nothing is shown until you do.

Companies that need a new molecule because of this drug

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

Companies on route B for this drug

In the product

2 company-target rows are on route B because of Oxybate.

Targets

GeneProteinUniProt
GABBR2Gamma-aminobutyric acid type B receptor subunit 2O75899
GABBR1Gamma-aminobutyric acid type B receptor subunit 1Q9UBS5

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated4310
Phase 15311
Phase 212831
Phase 3151400
Phase 4141022
All trials50

Who has held its approvals

CompanyRoleYears
Jazz PharmaceuticalsApplicant, Acquired holder and Lead sponsor of trials2003 to now
UCBApplicant and Lead sponsor of trials2005 to now
Avadel Cns PharmaceuticalsLater holder2023 to now
AlkermesAcquired holder2026 to now