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US5019591A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for treating retinopathy and other small vessel disorders associated with diabetes

Assignee: Pennsylvania Research Corp
•
Filing: 1989-02-17
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Granted: 1991-05-28
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Expires: 2009-02-17
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Abstract

Abstract A method for treating and preventing retinopathy and for treating and preventing other small vessel complications associated with diabetes which comprises administering a therapeutically effective amount of an antihistamine or a pharmaceutically acceptable derivative thereof to a mammal having retinopathy or other small vessel complications associated with diabetes.

Inventors

  • 👤 Thomas W. Gardner
  • 👤 Theodore M. Hollis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 17:51
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/13; A61K31/135; A61K31/33; A61K31/335; A61K31/34

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 68 words
A method for treating and preventing retinopathy associated with diabetes which comprises administering a therapeutically effective amount of an antihistamine or a pharmaceutically acceptable derivative thereof to a mammal having retinopathy associated with diabetes, wherein the antihistamine is selected from the group consisting of diphenhydramine, terfenadine, mequitazine, astemizole, acrivastine, SCH 29851, SK&F 93944, clemastine, ketotifen, azatadine, oxatomide, azelastine, doxepine, piperoxan (933F), 929F, 1571F, mepyramine, chlorpheniramine, triprolidine and promethazine.
Claim 2
Independent Claim 68 words
A method for treating and preventing retinopathy associated with diabetes which comprises administering a therapeutically effective amount of an antihistamine or a pharmaceutically acceptable derivative thereof to a mammal having retinopathy associated with diabetes, wherein the antihistamine is selected from the group consisting of diphenhydramine, terfenadine, mequitazine, astemizole, acrivastine, SCH 29851, SK&F 93944, clemastine, ketotifen, azatadine, oxatomide, azelastine, doxepine, piperoxan (933F), 929F, 1571F, mepyramine, chlorpheniramine, triprolidine and promethazine.
Claim 3
Independent Claim 50 words
A method for treating and preventing retinopathy associated with diabetes which comprises administering a therapeutically effective amount of an antihistamine or a pharmaceutically acceptable derivative thereof to a mammal having retinopathy associated with diabetes, wherein the antihistamine is selected from the group consisting of burimamide, cimetidine, ranitidine, famotidine and nizatidine.
Claim 4
Independent Claim 50 words
A method for treating and preventing retinopathy associated with diabetes which comprises administering a therapeutically effective amount of an antihistamine or a pharmaceutically acceptable derivative thereof to a mammal having retinopathy associated with diabetes, wherein the antihistamine is selected from the group consisting of burimamide, cimetidine, ranitidine, famotidine and nizatidine.
Claim 5
Dependent Claim 12 words
A method as claimed in claim 1, wherein the antihistamine is diphenhydramine.
Claim 6
Dependent Claim 12 words
A method as claimed in claim 2, wherein the antihistamine is ranitidine.
Claim 7
Independent Claim 50 words
A method for treating and preventing retinopathy associated with diabetes which comprises administering a therapeutically effective amount of an antihistamine or a pharmaceutically acceptable derivative thereof to a mammal having retinopathy associated with diabetes, wherein the antihistamine is selected from the group consisting of diphenhydramine and ranitidine and mixtures thereof.
Claim 8
Independent Claim 50 words
A method for treating and preventing retinopathy associated with diabetes which comprises administering a therapeutically effective amount of an antihistamine or a pharmaceutically acceptable derivative thereof to a mammal having retinopathy associated with diabetes, wherein the antihistamine is selected from the group consisting of diphenhydramine and ranitidine and mixtures thereof.
Claim 9
Independent Claim 43 words
A method as claimed in claims 1, 2 or 5, wherein the therapeutically effective amount of the antihistamine is administered orally in the range of from about 5 mg/kg body mass to about 50 mg/kg body mass, from once to five times daily.
Claim 10
Dependent Claim 24 words
A method as claimed in claim 6, wherein the antihistamine or the pharmaceutically acceptable derivative thereof is administered orally in the form of tablets.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-05-27 1994-11-26 1995-05-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-05-27 1998-11-26 1999-05-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-05-27 2002-11-26 2003-05-28 $7700.00 Window Closed / Lapsed

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