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, Novitium Pharma, Solaris Pharma Corp, Ascend Theraps Us, Vertical Pharms, Chemo Research Sl, 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-nine 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:	89
Drug Master File Entries:	75
Finished Product Suppliers / Packagers:	49
Raw Ingredient (Bulk) Api Vendors:	109
Clinical Trials:	1,002
Patent Applications:	7,081
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
Mayne Pharma	BIJUVA	estradiol; progesterone	CAPSULE;ORAL	210132-001	Oct 28, 2018		RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up	Y			⤷ Sign Up
Sandoz	VIVELLE-DOT	estradiol	SYSTEM;TRANSDERMAL	020538-006	Jan 8, 1999	AB1	RX	Yes	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Sumitomo Pharma	MYFEMBREE	estradiol; norethindrone acetate; relugolix	TABLET;ORAL	214846-001	May 26, 2021		RX	Yes	Yes	⤷ Sign Up	⤷ Sign Up		Y		⤷ Sign Up
Bayer Hlthcare	CLIMARA	estradiol	FILM, EXTENDED RELEASE;TRANSDERMAL	020375-005	May 27, 2003	AB2	RX	Yes	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Aurobindo Pharma Ltd	ETYQA	estradiol; norethindrone acetate	TABLET;ORAL	214729-001	Jun 30, 2023		DISCN	No	No	⤷ Sign Up	⤷ Sign Up				⤷ Sign Up
Dr Reddys	ESTRADIOL VALERATE	estradiol valerate	INJECTABLE;INJECTION	083714-001	Approved Prior to Jan 1, 1982		DISCN	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
Bayer Hlthcare	CLIMARA	estradiol	FILM, EXTENDED RELEASE;TRANSDERMAL	020375-005	May 27, 2003	⤷ 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	020847-002	Aug 4, 1998	⤷ Sign Up	⤷ Sign Up
Abbvie	ALORA	estradiol	FILM, EXTENDED RELEASE;TRANSDERMAL	020655-001	Dec 20, 1996	⤷ Sign Up	⤷ Sign Up
Sandoz	VIVELLE	estradiol	SYSTEM;TRANSDERMAL	020323-002	Oct 28, 1994	⤷ Sign Up	⤷ Sign Up
Bayer Hlthcare	CLIMARA	estradiol	FILM, EXTENDED RELEASE;TRANSDERMAL	020375-006	May 27, 2003	⤷ 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
Russian Federation	2740059	КАПСУЛЫ С РАСТВОРИМЫМ ЭСТРАДИОЛОМ ДЛЯ ИНТРАВАГИНАЛЬНОГО ВВЕДЕНИЯ (CAPSULES WITH SOLUBLE OESTRADIOL FOR INTRAVAGINAL INTRODUCTION)	⤷ Sign Up
South Korea	20150032560		⤷ Sign Up
European Patent Office	2861073		⤷ Sign Up
European Patent Office	3060179		⤷ Sign Up
European Patent Office	2861072		⤷ Sign Up
Japan	6342334		⤷ 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	122015000093	Germany	⤷ Sign Up	PRODUCT NAME: LEVONORGESTREL UND ETHINYLESTRADIOL; NAT. REGISTRATION NO/DATE: 87675.00.00 20150720; FIRST REGISTRATION: SLOWAKEI 17/0017/15-S 20150129
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
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
0770388	PA2009004	Lithuania	⤷ Sign Up	PRODUCT NAME: ESTRADIOLI VALERAS + DIENOGESTUM; NAT. REGISTRATION NO/DATE: LT/1/09/1512/001, 2009 04 06 LT/1/09/1512/002, 2009 04 06 LT/1/09/1512/003 20090406; FIRST REGISTRATION: BE 327792 20081103
2782584	301153	Netherlands	⤷ Sign Up	PRODUCT NAME: COMPOSITION CONTAINING BOTH ESTRADIOL (17SS-ESTRADIOL), OPTIONALLY IN THE FORM OF A PHARMACEUTICALLY ACCEPTABLE SALT, HYDRATE OR SOLVATE THEREOF (INCLUDING IN HEMIHYDRATE FORM), AND PROGESTERONE; NATIONAL REGISTRATION NO/DATE: RVG 125821 20210611; FIRST REGISTRATION: BE BE582231 20210406
>Patent Number	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration	>SPC Description

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