ESTRADIOL ACETATE - Generic Drug Details

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 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
Formulation / Manufacturing:	see details
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

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

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
Apil	FEMTRACE	estradiol acetate	TABLET;ORAL	021633-002	Aug 20, 2004		DISCN	Yes	No
Millicent	FEMRING	estradiol acetate	INSERT, EXTENDED RELEASE;VAGINAL	021367-002	Mar 20, 2003		RX	Yes	Yes
Apil	FEMTRACE	estradiol acetate	TABLET;ORAL	021633-001	Aug 20, 2004		DISCN	Yes	No
Apil	FEMTRACE	estradiol acetate	TABLET;ORAL	021633-003	Aug 20, 2004		DISCN	Yes	No
Millicent	FEMRING	estradiol acetate	INSERT, EXTENDED RELEASE;VAGINAL	021367-001	Mar 20, 2003		RX	Yes	No

Expired US Patents for ESTRADIOL ACETATE

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

International Patents for ESTRADIOL ACETATE

Country	Patent Number	Title	Estimated Expiration
European Patent Office	1461043
Japan	2005517673
Israel	160797	תכשירי רוקחות לצריכה דרך הפה המכילים ב-17-אסטרדיול-3-אצטאט, שיטה להכנתם ושימוש ב-ב-17-אסטרדיול-3-אצטאט להכנתם (Oral pharmaceutical products containing 17beta-estradiol-3-acetate, process of preparation of the same and use of 17-beta-estradiol-3-acetate in the preparation of the same)
China	1273141
New Zealand	532491	Oral pharmaceutical products containing 17beta-estradiol-3-lower alkanoate, method of administering the same and process of preparation
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)

Supplementary Protection Certificates for ESTRADIOL ACETATE

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1453521	15C0050	France		PRODUCT NAME: ETHINYLESTRADIOL ET MELANGE DE LEVONORGESTREL ET ETHINYLESTRADIOL; NAT. REGISTRATION NO/DATE: NL 42237 20150320; FIRST REGISTRATION: SK - 17/0017/15-S 20150129
0771217	CA 2006 00038	Denmark		PRODUCT NAME: ETHINYLESTRADIOL (SOM BETA-CYCLODEXTRIN-CLATHRAT) OG DROSPIRENON; NAT. REG. NO/DATE: 38687 20060627; FIRST REG. NO/DATE: EU RVG 31781 20050804
0398460	04C0022	France		PRODUCT NAME: ESTRADIOL ANHYDRE DROSPIRENONE; REGISTRATION NO/DATE IN FRANCE: NL 28661 DU 20040316; REGISTRATION NO/DATE AT EEC: RVG 27505 DU 20021211
0770388	9/2009	Austria		PRODUCT NAME: KOMBINATION AUS ESTRADIOLVALERAT UND DIENOGEST; NAT. REGISTRATION NO/DATE: 1-28003 20090203; FIRST REGISTRATION: BE BE 327792 20081103
0285237	95C0008	Belgium		PRODUCT NAME: ESTRADIOL, HEMIHYDRATE; NAT. REGISTRATION NO/DATE: NL 19489 19941107; FIRST REGISTRATION: FR - NL 19489 19941107
0398460	C300221	Netherlands		PRODUCT NAME: DROSPIRENON EN ETHINYLESTRADIOL; REGISTRATION NO/DATE: RVG 23827 20000307