Estradiol - Generic Drug Details

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

Estradiol is the generic ingredient in forty-two branded drugs marketed by Allergan, Alvogen, Mylan, Padagis Israel, Prasco Labs Llc, Teva Pharms Usa, Bayer Hlthcare, Amneal, Mylan Technologies, Parke Davis, Noven, Mylan Speciality Lp, Ascend Theraps Us, Vertical Pharms Llc, Chemo Research Sl, Pfizer, Therapeuticsmd Inc, Padagis Us, Women First Hlthcare, Novartis, Ortho Mcneil Pharm, Zydus Noveltech Inc, Bristol Myers Squibb, Barr Labs Inc, Epic Pharma, Lannett Co Inc, Mayne Pharma, Usl Pharma, Duramed Pharms Barr, Novo Nordisk Inc, Amneal Pharms, Glenmark Pharms Ltd, Millicent, Apil, Dr Reddys, Pharmacia And Upjohn, Watson Labs, Exeltis Usa Inc, Par Sterile Products, Am Regent, Fosun Pharma, Hikma, Savage Labs, Noven Pharms Inc, Lupin Ltd, Barr, Breckenridge Pharm, Mylan Labs Ltd, Naari Pte Ltd, Novast Labs, Myovant Sciences, and Teva Womens, and is included in seventy-seven NDAs. There are fifty-three patents protecting this compound and four Paragraph IV challenges. Additional information is available in the individual branded drug profile pages.

Estradiol has two hundred and fifty-two patent family members in twenty-nine countries.

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

Summary for estradiol

International Patents:	252
US Patents:	53
Tradenames:	42
Applicants:	52
NDAs:	77
Drug Master File Entries:	75
Finished Product Suppliers / Packagers:	39
Raw Ingredient (Bulk) Api Vendors:	100
Clinical Trials:	965
Patent Applications:	7,475
Formulation / Manufacturing:	see details
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
University of Maryland, Baltimore	Early Phase 1
Karolinska University Hospital	N/A
CRG UZ Brussel	N/A

See all estradiol clinical trials

Generic filers with tentative approvals for ESTRADIOL

Applicant	Application No.	Strength	Dosage Form
		3MG;2MG;3MG	TABLET;ORAL
		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

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

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Padagis Us	EVAMIST	estradiol	SPRAY;TRANSDERMAL	022014-001	Jul 27, 2007		RX	Yes	Yes			Y
Mayne Pharma	BIJUVA	estradiol; progesterone	CAPSULE;ORAL	210132-001	Oct 28, 2018		RX	Yes	Yes			Y
Mayne Pharma	BIJUVA	estradiol; progesterone	CAPSULE;ORAL	210132-001	Oct 28, 2018		RX	Yes	Yes			Y

Expired US Patents for estradiol

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Bayer Hlthcare	CLIMARA	estradiol	FILM, EXTENDED RELEASE;TRANSDERMAL	020375-002	Dec 22, 1994
Pfizer	ESTRING	estradiol	INSERT, EXTENDED RELEASE;VAGINAL	020472-001	Apr 26, 1996
Allergan	ALORA	estradiol	FILM, EXTENDED RELEASE;TRANSDERMAL	020655-003	Dec 20, 1996

International Patents for estradiol

Country	Patent Number	Title	Estimated Expiration
Japan	6682127
Germany	10179223
South Korea	20110039331	TRANSDERMAL ESTROGEN DEVICE AND DELIVERY

Supplementary Protection Certificates for estradiol

Patent Number	Supplementary Protection Certificate	SPC Country	SPC Expiration	SPC Description
1380301	CA 2009 00017	Denmark		PRODUCT NAME: ETHINYLESTRADIOL (SOM BETADEXCLATHRAT) OG DROSPIRENON; NAT. REG. NO/DATE: 42417 (DK) 20080619; FIRST REG. NO/DATE: NL 33842 20070629
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	12/2004	Austria		PRODUCT NAME: DROSPIRENON IN KOMBINATION MIT ESTRADIOL; NAT. REGISTRATION NO/DATE: 1-25178, 1-25179 20031127; FIRST REGISTRATION: NL RVG 27505 20021211