Drug

Cetirizine

As of the edition of 20 October 2026, Cetirizine is a small molecule: marketed, first approved in 1989 (ES); acts on HRH1.

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

The drug

Status
Marketed; latest approval 1996
Kind
Small molecule
Brand name
Zyrtec
First approved
1 November 1989 (ES)
Approvals on record
24 in 5 regions
Holder of the most recent approval
Kenvue Brands; 9 holders in all
Registered trials
68, 6 stopped early
Disease areas
Immune system; Lungs and airways; Ear, nose and throat; Skin and connective tissue; Nervous system; Infections

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

3 companies on route B because of this drug.

Companies on route B for this drug

In the product

3 companies are on route B because of Cetirizine.

Target

GeneProteinUniProt
HRH1Histamine H1 receptorP35367

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated9710
Phase 1171601
Phase 210711
Phase 3181422
Phase 4141102
All trials68

Who has held its approvals

CompanyRoleYears
PfizerApplicant and Lead sponsor of trials1996 to now
Johnson & JohnsonAcquired holder, Later holder and Lead sponsor of trials2001 to now
UCBApplicant and Lead sponsor of trials2002 to now
JDP TherapeuticsLater holder and Lead sponsor of trials2013 to now
BionpharmaAcquired holder2016 to now
Nicox OphthalmicsLater holder and Lead sponsor of trials2016 to now
Harrow EyeAcquired holder2023 to now
Kenvue BrandsAcquired holder2025 to now
Esteve PharmaceuticalsAcquired holder2026 to now