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Last Updated: March 29, 2024

PREMARIN Drug Patent Profile


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

Premarin is a drug marketed by Wyeth Pharms and is included in three NDAs.

The generic ingredient in PREMARIN is estrogens, conjugated. There are three drug master file entries for this compound. Two suppliers are listed for this compound. Additional details are available on the estrogens, conjugated profile page.

Drug patent expirations by year for PREMARIN
Drug Prices for PREMARIN

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Drug Sales Revenue Trends for PREMARIN

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Recent Clinical Trials for PREMARIN

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

SponsorPhase
Carol Fabian, MDEarly Phase 1
University of LouisvillePhase 4
PfizerPhase 1/Phase 2

See all PREMARIN clinical trials

Pharmacology for PREMARIN
Drug ClassEstrogen
Mechanism of ActionEstrogen Receptor Agonists

US Patents and Regulatory Information for PREMARIN

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Wyeth Pharms PREMARIN estrogens, conjugated CREAM;TOPICAL, VAGINAL 020216-001 Approved Prior to Jan 1, 1982 RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Wyeth Pharms PREMARIN estrogens, conjugated TABLET;ORAL 004782-001 Approved Prior to Jan 1, 1982 RX Yes Yes ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Wyeth Pharms PREMARIN estrogens, conjugated TABLET;ORAL 004782-006 Jul 16, 2003 RX Yes No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Wyeth Pharms PREMARIN estrogens, conjugated TABLET;ORAL 004782-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a 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 PREMARIN

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Wyeth Pharms PREMARIN estrogens, conjugated CREAM;TOPICAL, VAGINAL 020216-001 Approved Prior to Jan 1, 1982 ⤷  Try a Trial ⤷  Try a Trial
Wyeth Pharms PREMARIN estrogens, conjugated TABLET;ORAL 004782-001 Approved Prior to Jan 1, 1982 ⤷  Try a Trial ⤷  Try a Trial
Wyeth Pharms PREMARIN estrogens, conjugated INJECTABLE;INJECTION 010402-001 Approved Prior to Jan 1, 1982 ⤷  Try a Trial ⤷  Try a Trial
Wyeth Pharms PREMARIN estrogens, conjugated TABLET;ORAL 004782-005 Jan 26, 1984 ⤷  Try a Trial ⤷  Try a Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

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