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

Last Updated: December 12, 2025

Details for New Drug Application (NDA): 020992

✉ Email this page to a colleague

NDA 020992 describes CENESTIN, which is a drug marketed by Aspen and is included in one NDA. Additional details are available on the CENESTIN profile page.

The generic ingredient in CENESTIN is estrogens, conjugated synthetic a. There are three drug master file entries for this compound. Additional details are available on the estrogens, conjugated synthetic a profile page.

Summary for 020992

Tradename:	CENESTIN
Applicant:	Aspen
Ingredient:	estrogens, conjugated synthetic a
Patents:	0

Profile for product number 001

Active Rx/OTC/Discontinued:	DISCN	Dosage:	TABLET;ORAL			Strength	0.3MG Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons
Approval Date:	Jun 21, 2002	TE:		RLD:	Yes

Profile for product number 002

Active Rx/OTC/Discontinued:	DISCN	Dosage:	TABLET;ORAL			Strength	0.625MG Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons
Approval Date:	Mar 24, 1999	TE:		RLD:	Yes

Profile for product number 003

Active Rx/OTC/Discontinued:	DISCN	Dosage:	TABLET;ORAL			Strength	0.9MG Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons
Approval Date:	Mar 24, 1999	TE:		RLD:	Yes

Expired US Patents for NDA 020992

Subscribe to access the full database, or Get Started Free
Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Aspen	CENESTIN	estrogens, conjugated synthetic a	TABLET;ORAL	020992-001	Jun 21, 2002	⤷ Get Started Free	⤷ Get Started Free
Aspen	CENESTIN	estrogens, conjugated synthetic a	TABLET;ORAL	020992-003	Mar 24, 1999	⤷ Get Started Free	⤷ Get Started Free
Aspen	CENESTIN	estrogens, conjugated synthetic a	TABLET;ORAL	020992-004	Mar 13, 2000	⤷ Get Started Free	⤷ Get Started Free
Aspen	CENESTIN	estrogens, conjugated synthetic a	TABLET;ORAL	020992-002	Mar 24, 1999	⤷ 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.