Last Updated: October 1, 2026

36 Drugs Facing NCE-1 / Abbreviated New Drug Application acceptance dates in 2026 - 2027

Loss of Exclusivity / End of Market Exclusivity Period dates

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Preferred citation:
Friedman, Yali, "36 Drugs Facing NCE-1 / Abbreviated New Drug Application acceptance dates in 2026 - 2027" DrugPatentWatch.com thinkBiotech, 2026 www.drugpatentwatch.com/p/nce-1/.
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These NCE-1 dates indicate the first opportunity for generic drug companies to file Abbreviated New Drug Applications (ANDAs) for generic entry into branded drug markets. Generic launch is dependent on many factors, including FDA approval and patents. This information is provided as a rough estimate of generic application, and does not indicate when generics will launch. For more information see the complete DrugPatentWatch database.
When can drug patent challenges be filed against KRAZATI?

Generic name: adagrasib
NCE-1 Date: December 2026

KRAZATI is a drug marketed by Bristol. There are five patents protecting this drug.

See drug price trends for KRAZATI.

The generic ingredient in KRAZATI is adagrasib. Additional details are available on the adagrasib profile page.

When can drug patent challenges be filed against DAYBUE STIX?

Generic name: trofinetide
NCE-1 Date: March 2027

DAYBUE STIX is a drug marketed by Acadia Pharms Inc. There are four patents protecting this drug.

The generic ingredient in DAYBUE STIX is trofinetide. Additional details are available on the trofinetide profile page.

When can drug patent challenges be filed against XACDURO (COPACKAGED)?

Generic name: durlobactam sodium; durlobactam sodium; sulbactam sodium
NCE-1 Date: May 2027

XACDURO (COPACKAGED) is a drug marketed by Entasis Therap. There are four patents protecting this drug.There has been litigation on patents covering XACDURO (COPACKAGED)

The generic ingredient in XACDURO (COPACKAGED) is durlobactam sodium; durlobactam sodium; sulbactam sodium. Additional details are available on the durlobactam sodium; durlobactam sodium; sulbactam sodium profile page.

When can drug patent challenges be filed against XDEMVY?

Generic name: lotilaner
NCE-1 Date: July 2027

XDEMVY is a drug marketed by Tarsus. There are nine patents protecting this drug.

See drug price trends for XDEMVY.

The generic ingredient in XDEMVY is lotilaner. Additional details are available on the lotilaner profile page.

When can drug patent challenges be filed against APHEXDA?

Generic name: motixafortide acetate
NCE-1 Date: September 2027

APHEXDA is a drug marketed by Ayrmid Pharma. There are two patents protecting this drug.

The generic ingredient in APHEXDA is motixafortide acetate. Additional details are available on the motixafortide acetate profile page.

When can drug patent challenges be filed against EXXUA?

Generic name: gepirone hydrochloride
NCE-1 Date: September 2027

EXXUA is a drug marketed by Fabre Kramer. There is one patent protecting this drug.

The generic ingredient in EXXUA is gepirone hydrochloride. Additional details are available on the gepirone hydrochloride profile page.

When can drug patent challenges be filed against RIVFLOZA?

Generic name: nedosiran sodium
NCE-1 Date: September 2027

RIVFLOZA is a drug marketed by Novo. There are six patents protecting this drug.

The generic ingredient in RIVFLOZA is nedosiran sodium. Additional details are available on the nedosiran sodium profile page.

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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.