What is Opalmon used for?

Opalmon is indicated for Thromboangiitis obliterans.

What development phase is Opalmon in?

Opalmon is FDA-approved (marketed).

What is the generic name of Opalmon?

LIMAPROST is the generic (nonproprietary) name of Opalmon.

Last reviewed 2026-04-20 · How we verify

Opalmon (LIMAPROST)

FDA-approved active Small molecule Quality 17/100

At a glance

Generic name	LIMAPROST
Drug class	limaprost
Target	Prostaglandin E2 receptor EP1 subtype
Modality	Small molecule
Therapeutic area	Cardiovascular
Phase	FDA-approved

Approved indications

Thromboangiitis obliterans

Common side effects

No common side effects on file.

Key clinical trials

Modifiable Risk Factors for Non-traumatic Subconjunctival Hemorrhage
Effect of Limaprost in Combination With Transforaminal Epidural Steroid Injection (NA)
The Study About the Efficacy of Oral Limaprost After Surgery for Cervical Myelopathy (PHASE3)
A Study to Evaluate Efficacy of 『Opast Tablet』for Neurologic Claudication in Patients With Lumbar Spinal Stenosis (PHASE4)

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

Source	Used for
ClinicalTrials.gov	Trial enrolment, design, endpoints, results

Competitive intelligence

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