Estradiol acetate - Generic Drug Details

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What are the generic drug sources for estradiol acetate and what is the scope of patent protection?

Estradiol acetate is the generic ingredient in two branded drugs marketed by Millicent and Apil, and is included in two NDAs. There is one patent protecting this compound. Additional information is available in the individual branded drug profile pages.

Estradiol acetate has eleven patent family members in ten countries.

One supplier is listed for this compound.

Summary for estradiol acetate

International Patents:	11
US Patents:	1
Tradenames:	2
Applicants:	2
NDAs:	2
Finished Product Suppliers / Packagers:	1
Raw Ingredient (Bulk) Api Vendors:	13
Clinical Trials:	119
Patent Applications:	893
What excipients (inactive ingredients) are in estradiol acetate?	estradiol acetate excipients list
DailyMed Link:	estradiol acetate at DailyMed

DrugPatentWatch^® Estimated Loss of Exclusivity (LOE) Date for estradiol acetate

Generic Entry Date for estradiol acetate^: ⤷ Sign Up* Constraining patent/regulatory exclusivity: ⤷ Sign Up Dosage: TABLET;ORAL

^*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 estradiol acetate

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

Sponsor	Phase
Bio Genuine (Shanghai) Biotech Co., Ltd.	Phase 3
University of Chicago	Phase 4
Myovant Sciences GmbH	Phase 4

See all estradiol acetate clinical trials

Pharmacology for estradiol acetate

Drug Class	Estrogen
Mechanism of Action	Estrogen Receptor Agonists

Anatomical Therapeutic Chemical (ATC) Classes for estradiol acetate

G03CA	Natural and semisynthetic estrogens, plain
G03C	ESTROGENS
G03	SEX HORMONES AND MODULATORS OF THE GENITAL SYSTEM
G	Genito-urinary system and sex hormones

US Patents and Regulatory Information for estradiol acetate

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Glossary

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

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Millicent	FEMRING	estradiol acetate	INSERT, EXTENDED RELEASE;VAGINAL	021367-001	Mar 20, 2003	⤷ Sign Up	⤷ Sign Up
Apil	FEMTRACE	estradiol acetate	TABLET;ORAL	021633-001	Aug 20, 2004	⤷ Sign Up	⤷ Sign Up
Apil	FEMTRACE	estradiol acetate	TABLET;ORAL	021633-002	Aug 20, 2004	⤷ Sign Up	⤷ Sign Up
Apil	FEMTRACE	estradiol acetate	TABLET;ORAL	021633-003	Aug 20, 2004	⤷ Sign Up	⤷ Sign Up
Apil	FEMTRACE	estradiol acetate	TABLET;ORAL	021633-003	Aug 20, 2004	⤷ Sign Up	⤷ Sign Up
Apil	FEMTRACE	estradiol acetate	TABLET;ORAL	021633-002	Aug 20, 2004	⤷ Sign Up	⤷ Sign Up
Apil	FEMTRACE	estradiol acetate	TABLET;ORAL	021633-001	Aug 20, 2004	⤷ Sign Up	⤷ Sign Up
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

International Patents for estradiol acetate

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Country	Patent Number	Title	Estimated Expiration
Norway	20042565		⤷ Sign Up
China	1273141		⤷ Sign Up
World Intellectual Property Organization (WIPO)	03055495		⤷ Sign Up
Japan	2005517673		⤷ Sign Up
European Patent Office	1461043		⤷ Sign Up
Canada	2470703	PRODUITS PHARMACEUTIQUES ORAUX RENFERMANT 17.BETA.-ESTRADIOL-3-ALCANOATE INFERIEUR, PROCEDE D'ADMINISTRATION ET DE PREPARATION ASSOCIES (ORAL PHARMACEUTICAL PRODUCTS CONTAINING 17.BETA.-ESTRADIOL-3-LOWER ALKANOATE, METHOD OF ADMINISTERING THE SAME AND PROCESS OF PREPARATION)	⤷ Sign Up
New Zealand	532491	Oral pharmaceutical products containing 17beta-estradiol-3-lower alkanoate, method of administering the same and process of preparation	⤷ Sign Up
>Country	>Patent Number	>Title	>Estimated Expiration

Supplementary Protection Certificates for estradiol acetate

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1380301	CA 2009 00017	Denmark	⤷ Sign Up	PRODUCT NAME: ETHINYLESTRADIOL (SOM BETADEXCLATHRAT) OG DROSPIRENON; NAT. REG. NO/DATE: 42417 (DK) 20080619; FIRST REG. NO/DATE: NL 33842 20070629
2782584	132021000000197	Italy	⤷ Sign Up	PRODUCT NAME: ESTRADIOLO (17SS-ESTRADIOLO) IN PARTICOLARE NELLA FORMA EMIIDRATA, E PROGESTERONE COMPRENDENTI LE VARIE FORME DI ESTRADIOLO (17SS-ESTRADIOLO), QUALI LE FORME IDRATE E SOLVATATE, INCLUDENDO LA FORMA EMIIDRATA, ED I SUOI SALI.(BIJUVA); AUTHORISATION NUMBER(S) AND DATE(S): BE582231, 20210406;048335018 -048335020, 20210517
1380301	2009C/007	Belgium	⤷ Sign Up	PRODUCT NAME: DROSPIRENONE-ETHINYLESTRADIOL; AUTHORISATION NUMBER AND DATE: BE321386 20080811
1214076	49/2008	Austria	⤷ Sign Up	PRODUCT NAME: WIRKSTOFFKOMBINATION VON ETHINYLESTRADIOL UND DROSPIRENON; REGISTRATION NO/DATE: 1-27586 20080612
1214076	SZ 49/2008	Austria	⤷ Sign Up	PRODUCT NAME: WIRKSTOFFKOMBINATION VON ETHINYLESTRADIOL UND DROSPIRENON
0770388	2009/012	Ireland	⤷ Sign Up	PRODUCT NAME: QLAIRA-ESTRADIOL VALERATE/DIENOGEST; NAT REGISTRATION NO/DATE: PA1410/58/1 20090109; FIRST REGISTRATION NO/DATE: BE327792 20081103
0770388	09C0018	France	⤷ Sign Up	PRODUCT NAME: ESTRADIOL VALERATE; DIENOGEST; NAT. REGISTRATION NO/DATE: NL35170 20081210; FIRST REGISTRATION: BE327792 20081103
>Patent Number	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration	>SPC Description

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