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EP0028815A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

The use of ricin and a pharmaceutical composition containing the same for increasing the immune response

Assignee: Eisai Co Ltd
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Filing: 1980-11-06
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Granted: —
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Expires: 2000-11-06
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Abstract

Abstract An immunopotentiator comprising ricin as an active ingredient. Ricin is a glucoprotein having a molecular weight of about 65,000 and can be used in the form of an injectable solution. It is useful for prevention and treatment of bacterial and viral infections and cancer.

Inventors

  • 👤 Hiroshi Shionoya
  • 👤 Haruyoshi Arai
  • 👤 Nozomu Koyanagi
  • 👤 Hitoshi Takeuchi

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 10:58
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/39; A61K38/00; A61K38/16; A61K38/168; A61P; A61P31/00; A61P31/04; A61P35/00; A61P37/00; A61P37/02; A61P37/04; A61K2039/555; A61K2039/55511; A61K2039/55516

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 8 words
An immunopotentiator comprising ricin as an active ingredient.
Claim 2
Dependent Claim 8 words
An immunopotentiator comprising ricin as an active ingredient.
Claim 3
Dependent Claim 12 words
An injectable preparation comprising ricin, an antigen and a pharmaceutically acceptable diluent.
Claim 4
Dependent Claim 12 words
An injectable preparation comprising ricin, an antigen and a pharmaceutically acceptable diluent.
Claim 5
Dependent Claim 10 words
The preparation of Claim 2 wherein the diluent is water.
Claim 6
Independent Claim 20 words
A method for preventing or treating microbial infections or cancer, which comprises administering ricin to a human or animal subject.
Claim 7
Independent Claim 20 words
A method for preventing or treating microbial infections or cancer, which comprises administering ricin to a human or animal subject.
Claim 8
Dependent Claim 21 words
The method of Claim 4 wherein the dose of ricin is at least about 0.2 ng per human or animal subject.
Claim 9
Dependent Claim 28 words
The method of Claim 4 or 5 wherein the dose of ricin is up to about 1.5 µg/kg of the body weight of the human or animal subject.

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