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US5114951A Expired / Lapsed US ⏱️ 0.0 years remaining

Agents for combating multiple drug resistance

Assignee: SmithKline Beecham Corp
•
Filing: 1989-04-11
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Granted: 1992-05-19
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Expires: 2009-04-11
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Abstract

Abstract Potentiating agents for combatting multiple drug resistance of susceptible tumor cells in a subject in need of such treatment are disclosed. The potentiating agents disclosed are triprolidine, cis-triprolidine, and pharmaceutically acceptable salts thereof.

Inventors

  • 👤 Ann C. King

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:52
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 59 words
A method of combating multiple drug resistance of susceptible tumor cells in a subject in need of such treatment, comprising administering to the subject a compound, in an amount effective to combat multiple drug resistance of tumor cells sensitive to said compound, wherein said compound is selected from the group consisting of triprolidine, cis-triprolidine, and pharmaceutically acceptable salts thereof.
Claim 2
Independent Claim 59 words
A method of combating multiple drug resistance of susceptible tumor cells in a subject in need of such treatment, comprising administering to the subject a compound, in an amount effective to combat multiple drug resistance of tumor cells sensitive to said compound, wherein said compound is selected from the group consisting of triprolidine, cis-triprolidine, and pharmaceutically acceptable salts thereof.
Claim 3
Dependent Claim 13 words
A method according to claim 1, wherein said tumor cells are adenocarcinoma cells.

References Cited (Backward Citations)

US4628047A Cited
JPS6185320A Cited
EP0270926A2 Cited
US4990538A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1995-05-19 1995-11-18 1996-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1999-05-19 1999-11-18 2000-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2003-05-19 2003-11-18 2004-05-19 $7700.00 Window Closed / Lapsed

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