QUESTRAN Drug Patent Profile
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When do Questran patents expire, and when can generic versions of Questran launch?
Questran is a drug marketed by Bristol Myers and Apothecon and is included in three NDAs.
The generic ingredient in QUESTRAN is cholestyramine. There are eight drug master file entries for this compound. Fifteen suppliers are listed for this compound. Additional details are available on the cholestyramine profile page.
DrugPatentWatch® Litigation and Generic Entry Outlook for Questran
A generic version of QUESTRAN was approved as cholestyramine by EPIC PHARMA LLC on August 15th, 1996.
Summary for QUESTRAN
US Patents: | 0 |
Applicants: | 2 |
NDAs: | 3 |
Clinical Trials: | 8 |
Formulation / Manufacturing: | see details |
DailyMed Link: | QUESTRAN at DailyMed |
Recent Clinical Trials for QUESTRAN
Identify potential brand extensions & 505(b)(2) entrants
Sponsor | Phase |
---|---|
National Cancer Institute (NCI) | Phase 1 |
City of Hope Medical Center | Phase 1 |
City of Hope Medical Center | Phase 2 |
US Patents and Regulatory Information for QUESTRAN
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Exclusivity Expiration |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Bristol Myers | QUESTRAN | cholestyramine | POWDER;ORAL | 016640-001 | Approved Prior to Jan 1, 1982 | DISCN | Yes | No | ⤷ Try a Trial | ⤷ Try a Trial | ⤷ Try a Trial | ||||
Apothecon | QUESTRAN | cholestyramine | TABLET;ORAL | 073403-002 | Dec 27, 1999 | DISCN | No | No | ⤷ Try a Trial | ⤷ Try a Trial | ⤷ Try a Trial | ||||
Bristol Myers | QUESTRAN | cholestyramine | POWDER;ORAL | 016640-003 | Approved Prior to Jan 1, 1982 | DISCN | Yes | No | ⤷ Try a Trial | ⤷ Try a Trial | ⤷ Try a Trial | ||||
Apothecon | QUESTRAN | cholestyramine | TABLET;ORAL | 073403-001 | Apr 28, 1994 | DISCN | No | No | ⤷ Try a Trial | ⤷ Try a Trial | ⤷ Try a Trial | ||||
Bristol Myers | QUESTRAN LIGHT | cholestyramine | POWDER;ORAL | 019669-003 | Dec 5, 1988 | DISCN | Yes | No | ⤷ Try a Trial | ⤷ Try a Trial | ⤷ Try a Trial | ||||
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Exclusivity Expiration |