Last Updated: May 10, 2026

REMODULIN Drug Patent Profile


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When do Remodulin patents expire, and what generic alternatives are available?

Remodulin is a drug marketed by United Therap and is included in two NDAs. There are five patents protecting this drug and two Paragraph IV challenges.

This drug has thirty-one patent family members in seven countries.

The generic ingredient in REMODULIN is treprostinil. There are nineteen drug master file entries for this compound. Five suppliers are listed for this compound. Additional details are available on the treprostinil profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Remodulin

A generic version of REMODULIN was approved as treprostinil by SANDOZ on November 30th, 2017.

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Recent Clinical Trials for REMODULIN

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Lung Biotechnology PBCPhase 4
Rhode Island HospitalPhase 1/Phase 2
University of Rhode IslandPhase 1/Phase 2

See all REMODULIN clinical trials

Pharmacology for REMODULIN
Drug ClassProstacycline Vasodilator
Physiological EffectVasodilation
Paragraph IV (Patent) Challenges for REMODULIN
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
REMODULIN Injection treprostinil 1 mg/mL, 2.5 mg/mL, and 5 mg/mL, 20 mL vial 021272 1 2012-12-07
REMODULIN Injection treprostinil 10 mg/mL, 20 mL vial 021272 1 2011-12-02

US Patents and Regulatory Information for REMODULIN

REMODULIN is protected by five US patents.

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
United Therap REMODULIN treprostinil SOLUTION;INTRAVENOUS, SUBCUTANEOUS 208276-001 Jul 30, 2018 DISCN No No ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
United Therap REMODULIN treprostinil INJECTABLE;INTRAVENOUS, SUBCUTANEOUS 021272-004 May 21, 2002 AP RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
United Therap REMODULIN treprostinil INJECTABLE;INTRAVENOUS, SUBCUTANEOUS 021272-003 May 21, 2002 AP RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Expired US Patents for REMODULIN

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
United Therap REMODULIN treprostinil SOLUTION;INTRAVENOUS, SUBCUTANEOUS 208276-001 Jul 30, 2018 ⤷  Start Trial ⤷  Start Trial
United Therap REMODULIN treprostinil INJECTABLE;INTRAVENOUS, SUBCUTANEOUS 021272-002 May 21, 2002 ⤷  Start Trial ⤷  Start Trial
United Therap REMODULIN treprostinil SOLUTION;INTRAVENOUS, SUBCUTANEOUS 208276-004 Jul 30, 2018 ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

EU/EMA Drug Approvals for REMODULIN

Company Drugname Inn Product Number / Indication Status Generic Biosimilar Orphan Marketing Authorisation Marketing Refusal
SciPharm Sàrl Trepulmix treprostinil EMEA/H/C/005207Treatment of adult patients with WHO Functional Class (FC) III or IV and:inoperable chronic thromboembolic pulmonary hypertension (CTEPH), orpersistent or recurrent CTEPH after surgical treatmentto improve exercise capacity. Authorised no no yes 2020-04-03
>Company >Drugname >Inn >Product Number / Indication >Status >Generic >Biosimilar >Orphan >Marketing Authorisation >Marketing Refusal

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