Drug

Omidenepag isopropyl

As of the edition of 20 October 2026, Omidenepag isopropyl is a small molecule: marketed, first approved in 2018 (JP); acts on PTGER2; US protection ends in 2035.

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

The drug

Status
Marketed; latest approval 2022
Kind
Small molecule
Brand name
Omlonti
First approved
21 September 2018 (JP)
Approvals on record
3 in 2 regions
Holder of the most recent approval
Ocuvex Therapeutics; 2 holders in all
Registered trials
13, 0 stopped early
Disease areas
Eye

US protection

US protection ends in 2035.

The last listed US drug-substance patent ends in 2035. The application that gives this date is held by Ocuvex Therapeutics.

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

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

See the exact date and the 3 listings behind itRequest access. Nothing is shown until you do.

Companies that need a new molecule because of this drug

1 company on route B because of this drug.

Companies on route B for this drug

In the product

1 company is on route B because of Omidenepag isopropyl.

Target

GeneProteinUniProt
PTGER2Prostaglandin E2 receptor EP2 subtypeP43116

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 11100
Phase 24400
Phase 37700
Phase 41000
All trials13

Who has held its approvals

CompanyRoleYears
Santen PharmaceuticalApplicant and Lead sponsor of trials2012 to now
Ocuvex TherapeuticsAcquired holder2025 to now