Last Updated: September 29, 2026

ASPIRIN; BUTALBITAL - Generic Drug Details


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

Aspirin; butalbital is the generic ingredient in six branded drugs marketed by Savage Labs, Lgm Pharma, Mpp Pharma, Watson Labs, Allergan, Sandoz, Actavis Elizabeth, Fosun Pharma, Halsey, Hikma Intl Pharms, Ivax Pharms, Puracap Pharm, Quantum Pharmics, Strides Pharma, Lannett, Dr Reddys Labs Sa, Novitium Pharma, and Stevens J, and is included in twenty-two NDAs. Additional information is available in the individual branded drug profile pages.

Summary for ASPIRIN; BUTALBITAL
US Patents:0
Tradenames:6
Applicants:18
NDAs:22
Clinical Trials: 1
DailyMed Link:ASPIRIN; BUTALBITAL at DailyMed
Recent Clinical Trials for ASPIRIN; BUTALBITAL

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SponsorPhase
Federal University of São PauloPhase 4
Fundação de Amparo à Pesquisa do Estado de São PauloPhase 4

See all ASPIRIN; BUTALBITAL clinical trials

US Patents and Regulatory Information for ASPIRIN; BUTALBITAL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Watson Labs BUTALBITAL, ASPIRIN AND CAFFEINE aspirin; butalbital; caffeine TABLET;ORAL 086237-002 Mar 23, 1984 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Quantum Pharmics BUTALBITAL, ASPIRIN AND CAFFEINE aspirin; butalbital; caffeine TABLET;ORAL 088972-001 Jun 18, 1985 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Allergan FIORINAL aspirin; butalbital; caffeine CAPSULE;ORAL 017534-005 Apr 16, 1986 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs BUTALBITAL, ASPIRIN, CAFFEINE, AND CODEINE PHOSPHATE aspirin; butalbital; caffeine; codeine phosphate CAPSULE;ORAL 074359-001 Aug 31, 1995 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Allergan FIORINAL W/CODEINE aspirin; butalbital; caffeine; codeine phosphate CAPSULE;ORAL 019429-003 Oct 26, 1990 DISCN Yes No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Lgm Pharma BUTALBITAL, ASPIRIN, CAFFEINE, AND CODEINE PHOSPHATE aspirin; butalbital; caffeine; codeine phosphate CAPSULE;ORAL 075231-001 Nov 30, 2001 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs BUTALBITAL, ASPIRIN AND CAFFEINE aspirin; butalbital; caffeine CAPSULE;ORAL 086231-002 Feb 12, 1985 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
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