Last Updated: September 28, 2026

Etripamil - Generic Drug Details


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What are the generic drug sources for etripamil and what is the scope of freedom to operate?

Etripamil is the generic ingredient in one branded drug marketed by Milestone Pharms Usa and is included in one NDA. There are six patents protecting this compound. Additional information is available in the individual branded drug profile pages.

One supplier is listed for this compound.

Summary for etripamil
International Patents:66
US Patents:6
Tradenames:1
Applicants:1
NDAs:1
Finished Product Suppliers / Packagers: 1
Clinical Trials: 10
Patent Applications: 15
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for etripamil
What excipients (inactive ingredients) are in etripamil?etripamil excipients list
DailyMed Link:etripamil at DailyMed
DrugPatentWatch® Estimated Loss of Exclusivity (LOE) Date for etripamil
Generic Entry Date for etripamil*:
Constraining patent/regulatory exclusivity:

NEW CHEMICAL ENTITY

Dosage:

SPRAY;NASAL

*The generic entry opportunity date is the latter of the last compound-claiming patent and the last regulatory exclusivity protection. Many factors can influence early or later generic entry. This date is provided as a rough estimate of generic entry potential and should not be used as an independent source.

Recent Clinical Trials for etripamil

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

SponsorPhase
Milestone Pharmaceuticals Inc.PHASE3
Milestone Pharmaceuticals Inc.Phase 1
Ji Xing Pharmaceuticals (Shanghai) Co., Ltd.Phase 1

See all etripamil clinical trials

US Patents and Regulatory Information for etripamil

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Milestone Pharms Usa CARDAMYST etripamil SPRAY;NASAL 218571-001 Dec 12, 2025 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Milestone Pharms Usa CARDAMYST etripamil SPRAY;NASAL 218571-001 Dec 12, 2025 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
Milestone Pharms Usa CARDAMYST etripamil SPRAY;NASAL 218571-001 Dec 12, 2025 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Milestone Pharms Usa CARDAMYST etripamil SPRAY;NASAL 218571-001 Dec 12, 2025 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Milestone Pharms Usa CARDAMYST etripamil SPRAY;NASAL 218571-001 Dec 12, 2025 RX Yes Yes ⤷  Start Trial ⤷  Start Trial Y ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

International Patents for etripamil

Country Patent Number Title Estimated Expiration
Australia 2008266798 Short acting phenylalkylamine calcium channel blockers and uses thereof ⤷  Start Trial
Brazil PI0812919 BLOQUEADORES DE CANAL DE CÁLCIO DE FENILALQUILAMINA DE AÇÃO CURTA E USO DOS MESMOS ⤷  Start Trial
Canada 2693627 AGENTS BLOQUANT LES CANAUX CALCIQUES A BASE DE PHENYLALKYLAMINE A BREVE DUREE D'ACTION ET LEURS UTILISATIONS (SHORT ACTING PHENYLALKYLAMINE CALCIUM CHANNEL BLOCKERS AND USES THEREOF) ⤷  Start Trial
China 101754678 Short acting phenylalkylamine calcium channel blockers and uses thereof ⤷  Start Trial
Cyprus 1115619 ⤷  Start Trial
>Country >Patent Number >Title >Estimated Expiration

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