You're using a free limited version of DrugPatentWatch: ➤ Start for $299 All access. No Commitment.

Last Updated: March 19, 2026

Details for New Drug Application (NDA): 021371

✉ Email this page to a colleague

NDA 021371 describes ESTRASORB, which is a drug marketed by Exeltis Usa Inc and is included in one NDA. Additional details are available on the ESTRASORB profile page.

The generic ingredient in ESTRASORB is estradiol hemihydrate. There are seventy-five drug master file entries for this compound. Additional details are available on the estradiol hemihydrate profile page.

Summary for 021371

Tradename:	ESTRASORB
Applicant:	Exeltis Usa Inc
Ingredient:	estradiol hemihydrate
Patents:	0

Profile for product number 001

Active Rx/OTC/Discontinued:	DISCN	Dosage:	EMULSION;TOPICAL			Strength	0.25%
Approval Date:	Oct 9, 2003	TE:		RLD:	Yes

Expired US Patents for NDA 021371

Subscribe to access the full database, or Get Started Free
Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Exeltis Usa Inc	ESTRASORB	estradiol hemihydrate	EMULSION;TOPICAL	021371-001	Oct 9, 2003	⤷ Get Started Free	⤷ Get Started Free
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent Expiration

Complete Access Available with Subscription

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.