Last Updated: September 24, 2026

ESTRADIOL ACETATE - Generic Drug Details


✉ Email this page to a colleague

« Back to Dashboard


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

Estradiol acetate is the generic ingredient in two branded drugs marketed by Millicent Mfg Pr and Apil, and is included in two NDAs. Additional information is available in the individual branded drug profile pages.

One supplier is listed for this compound.

Summary for ESTRADIOL ACETATE
US Patents:0
Tradenames:2
Applicants:2
NDAs:2
Finished Product Suppliers / Packagers: 1
Raw Ingredient (Bulk) Api Vendors: 13
Clinical Trials: 127
What excipients (inactive ingredients) are in ESTRADIOL ACETATE?ESTRADIOL ACETATE excipients list
DailyMed Link:ESTRADIOL ACETATE at DailyMed
Recent Clinical Trials for ESTRADIOL ACETATE

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

SponsorPhase
Trust Fertility ClinicPHASE4
Fudan UniversityPHASE2
Cairo UniversityPHASE3

See all ESTRADIOL ACETATE clinical trials

Pharmacology for ESTRADIOL ACETATE
Drug ClassEstrogen
Mechanism of ActionEstrogen Receptor Agonists

US Patents and Regulatory Information for ESTRADIOL ACETATE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Millicent Mfg Pr FEMRING estradiol acetate INSERT, EXTENDED RELEASE;VAGINAL 021367-002 Mar 20, 2003 RX Yes Yes ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Apil FEMTRACE estradiol acetate TABLET;ORAL 021633-002 Aug 20, 2004 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Apil FEMTRACE estradiol acetate TABLET;ORAL 021633-001 Aug 20, 2004 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Apil FEMTRACE estradiol acetate TABLET;ORAL 021633-003 Aug 20, 2004 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Millicent Mfg Pr FEMRING estradiol acetate INSERT, EXTENDED RELEASE;VAGINAL 021367-001 Mar 20, 2003 RX Yes No ⤷  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 ESTRADIOL ACETATE

Applicant Tradename Generic Name Dosage NDA Approval Date Patent No. Patent Expiration
Millicent Mfg Pr FEMRING estradiol acetate INSERT, EXTENDED RELEASE;VAGINAL 021367-001 Mar 20, 2003 5,855,906 ⤷  Start Trial
Apil FEMTRACE estradiol acetate TABLET;ORAL 021633-002 Aug 20, 2004 7,799,771 ⤷  Start Trial
Apil FEMTRACE estradiol acetate TABLET;ORAL 021633-003 Aug 20, 2004 6,962,908 ⤷  Start Trial
Apil FEMTRACE estradiol acetate TABLET;ORAL 021633-002 Aug 20, 2004 7,572,779 ⤷  Start Trial
Apil FEMTRACE estradiol acetate TABLET;ORAL 021633-001 Aug 20, 2004 7,572,779 ⤷  Start Trial
Apil FEMTRACE estradiol acetate TABLET;ORAL 021633-001 Aug 20, 2004 6,962,908 ⤷  Start Trial
Apil FEMTRACE estradiol acetate TABLET;ORAL 021633-001 Aug 20, 2004 7,799,771 ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >Patent No. >Patent Expiration

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.