Estradiol - Generic Drug Details

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

Estradiol is the generic ingredient in forty-three branded drugs marketed by Allergan, Alvogen, Mylan, Padagis Israel, Prasco, Teva Pharms Usa, Abbvie, Bayer Hlthcare, Amneal, Mylan Technologies, Zydus Pharms, Parke Davis, Noven, Mylan Speciality Lp, Solaris Pharma Corp, Ascend Theraps Us, Vertical Pharms, Chemo Research Sl, Novitium Pharma, Quagen, Pfizer, Mayne Pharma, Padagis Us, Women First Hlthcare, Novartis, Ortho Mcneil Pharm, Sandoz, Bristol Myers Squibb, Barr Labs Inc, Dr Reddys Labs Sa, Epic Pharma Llc, Lannett Co Inc, Norvium Bioscience, Usl Pharma, Duramed Pharms Barr, Novo Nordisk Inc, Amneal Pharms, Aurobindo Pharma, Glenmark Pharms Ltd, Millicent, Apil, Dr Reddys, Pharmacia And Upjohn, Watson Labs, Exeltis Usa Inc, Endo Operations, Am Regent, Fosun Pharma, Hikma, Xiromed, Savage Labs, Noven Pharms Inc, Lupin Ltd, Barr, Breckenridge Pharm, Naari Pte Ltd, Novast Labs, Aurobindo Pharma Ltd, Sumitomo Pharma, and Teva Womens, and is included in eighty-eight NDAs. There are fifty-six patents protecting this compound and four Paragraph IV challenges. Additional information is available in the individual branded drug profile pages.

Estradiol has one hundred and eighty-five patent family members in twenty-six countries.

There are seventy-five drug master file entries for estradiol. Forty-nine suppliers are listed for this compound. There is one tentative approval for this compound.

Summary for estradiol

International Patents:	185
US Patents:	56
Tradenames:	43
Applicants:	60
NDAs:	88
Drug Master File Entries:	75
Finished Product Suppliers / Packagers:	49
Raw Ingredient (Bulk) Api Vendors:	109
Clinical Trials:	1,002
Patent Applications:	7,032
Drug Prices:	Drug price trends for estradiol
Drug Sales Revenues:	Drug sales revenues for estradiol
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for estradiol
What excipients (inactive ingredients) are in estradiol?	estradiol excipients list
DailyMed Link:	estradiol at DailyMed

See drug prices for estradiol

See drug sales revenues for estradiol

Recent Clinical Trials for estradiol

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

Sponsor	Phase
Anna Stanhewicz, PhD	Early Phase 1
McGill University Health Centre/Research Institute of the McGill University Health Centre	Phase 4
Alexion Pharmaceuticals, Inc.	Phase 1

See all estradiol clinical trials

Generic filers with tentative approvals for ESTRADIOL

Applicant	Application No.	Strength	Dosage Form
⤷ Sign Up	⤷ Sign Up	3MG;2MG;3MG	TABLET;ORAL
⤷ Sign Up	⤷ Sign Up	1MG;2MG;2MG	TABLET;ORAL

The 'tentative' approval signifies that the product meets all FDA standards for marketing, and, but for the patents / regulatory protections, it would approved.

Pharmacology for estradiol

Drug Class	Estrogen
Mechanism of Action	Estrogen Receptor Agonists

Medical Subject Heading (MeSH) Categories for estradiol

Estrogens

Anatomical Therapeutic Chemical (ATC) Classes for estradiol

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

Paragraph IV (Patent) Challenges for ESTRADIOL

Tradename	Dosage	Ingredient	Strength	NDA	ANDAs Submitted	Submissiondate
IMVEXXY	Vaginal Inserts	estradiol	4 mcg and 10 mcg	208564	1	2019-12-30
MINIVELLE	Transdermal System	estradiol	0.025 mg/day	203752	1	2015-05-08
MINIVELLE	Transdermal System	estradiol	0.0375 mg/day 0.05 mg/day 0.075 mg/day 0.1 mg/day	203752	1	2014-08-18
VAGIFEM	Vaginal Tablets	estradiol	10 mcg	020908	1	2013-01-02
VIVELLE-DOT	Transdermal System	estradiol	0.025 mg/day 0.0375 mg/day 0.05 mg/days 0.075 mg/day 0.1 mg/day	020538	1	2010-04-27
CLIMARA	Transdermal System	estradiol	0.05 mg/day and 0.1 mg/day	020375		2005-09-12

US Patents and Regulatory Information for estradiol

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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
Mylan Technologies	ESTRADIOL	estradiol	SYSTEM;TRANSDERMAL	201675-003	Dec 19, 2014	AB1	RX	No	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Mayne Pharma	IMVEXXY	estradiol	INSERT;VAGINAL	208564-001	May 29, 2018		RX	Yes	No	⤷ Sign Up	⤷ Sign Up	Y			⤷ Sign Up
Novitium Pharma	ESTRADIOL	estradiol	TABLET;ORAL	217334-002	Sep 6, 2023	AB	RX	No	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Mayne Pharma	IMVEXXY	estradiol	INSERT;VAGINAL	208564-002	May 29, 2018		RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up	Y			⤷ Sign Up
Noven	MINIVELLE	estradiol	FILM, EXTENDED RELEASE;TRANSDERMAL	203752-002	Oct 29, 2012	AB3	RX	Yes	No	⤷ Sign Up	⤷ Sign Up	Y			⤷ Sign Up
Barr	ESTRADIOL AND NORGESTIMATE	estradiol; norgestimate	TABLET;ORAL	076812-001	Apr 29, 2005		DISCN	No	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Mylan Technologies	ESTRADIOL	estradiol	FILM, EXTENDED RELEASE;TRANSDERMAL	075182-004	Jul 20, 2006	AB2	RX	No	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

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Sandoz	VIVELLE-DOT	estradiol	SYSTEM;TRANSDERMAL	020538-008	Jan 8, 1999	⤷ Sign Up	⤷ Sign Up
Noven	MINIVELLE	estradiol	FILM, EXTENDED RELEASE;TRANSDERMAL	203752-003	Oct 29, 2012	⤷ Sign Up	⤷ Sign Up
Sandoz	VIVELLE	estradiol	SYSTEM;TRANSDERMAL	020323-005	Aug 16, 2000	⤷ Sign Up	⤷ Sign Up
Novo Nordisk Inc	VAGIFEM	estradiol	TABLET;VAGINAL	020908-002	Nov 25, 2009	⤷ Sign Up	⤷ Sign Up
Sandoz	VIVELLE	estradiol	SYSTEM;TRANSDERMAL	020323-005	Aug 16, 2000	⤷ Sign Up	⤷ Sign Up
Abbvie	ALORA	estradiol	FILM, EXTENDED RELEASE;TRANSDERMAL	020655-003	Dec 20, 1996	⤷ Sign Up	⤷ Sign Up
Women First Hlthcare	ESCLIM	estradiol	SYSTEM;TRANSDERMAL	020847-003	Aug 4, 1998	⤷ Sign Up	⤷ Sign Up
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

International Patents for estradiol

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Country	Patent Number	Title	Estimated Expiration
Mexico	365818	FORMULACIONES Y TERAPIAS DE REEMPLAZO HORMONAL DE COMBINACION NATURALES. (NATURAL COMBINATION HORMONE REPLACEMENT FORMULATIONS AND THERAPIES.)	⤷ Sign Up
Canada	2942568		⤷ Sign Up
Hungary	E055275		⤷ Sign Up
Argentina	098160		⤷ Sign Up
South Korea	20200013771	질 삽입 에스트라디올 약학적 조성물 및 방법	⤷ Sign Up
Serbia	62297		⤷ Sign Up
Brazil	112018011483	métodos e composições farmacêuticas com estradiol vaginalmente inserido	⤷ Sign Up
>Country	>Patent Number	>Title	>Estimated Expiration

Supplementary Protection Certificates for estradiol

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Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1453521	93156	Luxembourg	⤷ Sign Up	PRODUCT NAME: LEVONORGESTREL ET ETHINYLESTRADIOL; FIRST REGISTRATION DATE: 20150211
1214076	49/2008	Austria	⤷ Sign Up	PRODUCT NAME: WIRKSTOFFKOMBINATION VON ETHINYLESTRADIOL UND DROSPIRENON; REGISTRATION NO/DATE: 1-27586 20080612
2782584	2021C/558	Belgium	⤷ Sign Up	PRODUCT NAME: COMPOSITION CONTENANT A LA FOIS DE L'ESTRADIOL (17--ESTRADIOL), EVENTUELLEMENT SOUS FORME D'UN SEL, HYDRATE OU SOLVATE PHARMACEUTIQUEMENT ACCEPTABLE DE CELUI-CI (Y COMPRIS SOUS FORME HEMIHYDRATEE), ET DE LA PROGESTERONE; AUTHORISATION NUMBER AND DATE: BE582231 20210406
2861072	2024C/512	Belgium	⤷ Sign Up	PRODUCT NAME: COMPOSITION CONTENANT A LA FOIS DE L'ESTRADIOL, EVENTUELLEMENT SOUS FORME D'UN SEL, HYDRATE OU SOLVATE PHARMACEUTIQUEMENT ACCEPTABLE (Y COMPRIS SOUS FORME HEMIHYDRATEE) ET DE LA PROGESTERONE; AUTHORISATION NUMBER AND DATE: BE582231 20210406
0398460	C300221	Netherlands	⤷ Sign Up	PRODUCT NAME: DROSPIRENON EN ETHINYLESTRADIOL; REGISTRATION NO/DATE: RVG 23827 20000307
1453521	C201630040	Spain	⤷ Sign Up	PRODUCT NAME: ETINILESTRADIOL Y MEZCLA DE LEVONORGESTREL Y ETINILESTRADIOL; NATIONAL AUTHORISATION NUMBER: 80340; DATE OF AUTHORISATION: 20160122; NUMBER OF FIRST AUTHORISATION IN EUROPEAN ECONOMIC AREA (EEA): 17/0017/15-S; DATE OF FIRST AUTHORISATION IN EEA: 20150211
1214076	C01214076/01	Switzerland	⤷ Sign Up	PRODUCT NAME: DROSPIRENONE + ETHINYLESTRADIOL; REGISTRATION NUMBER/DATE: SWISSMEDIC 57946 13.06.2008
>Patent Number	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration	>SPC Description

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