Drug

Prazepam

As of the edition of 20 October 2026, Prazepam is a small molecule: marketed, first approved in 1982 (US); acts on GABRA1, GABRA2 and GABRA3 and 4 more; no US protection is listed.

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

The drug

Status
Marketed; latest approval 1983
Kind
Small molecule
Brand name
Centrax
First approved
1 January 1982 (US)
Approvals on record
5 in 2 regions
Holder of the most recent approval
ALFASIGMA (ITALIE); 2 holders in all

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 Prazepam.

Targets

GeneProteinUniProt
GABRA1Gamma-aminobutyric acid receptor subunit alpha-1P14867
GABRG2Gamma-aminobutyric acid receptor subunit gamma-2P18507
GABRA5Gamma-aminobutyric acid receptor subunit alpha-5P31644
GABRA3Gamma-aminobutyric acid receptor subunit alpha-3P34903
GABRA2Gamma-aminobutyric acid receptor subunit alpha-2P47869
GABRG1Gamma-aminobutyric acid receptor subunit gamma-1Q8N1C3
GABRG3Gamma-aminobutyric acid receptor subunit gamma-3Q99928

Who has held its approvals

CompanyRoleYears
PfizerApplicant and Earlier holder