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Expired Canadian patentCanada

Therapeutic use of d-methionine to reduce the toxicity of platinum-containing anti-tumor compounds

CA 2265983 C · Owner: The Board Of Trustees Of Southern Illinois University · Inventors: Campbell, Kathleen C. M.

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Abstract From the Canadian patent

Methods of preventing or reducing hearing or balance loss damage to ear , cells, weight loss, gastrointestinal toxicity neurotoxicity, alopecia, and , prolonging survival in patients undergoing treatment with therapeutically effective amounts of platinum-containing chemotherapeutic agents such as cisplatin are provided. These methods comprise administering an effective amount of a methionine protective agent such as D-methionine, prior to, simultaneously with or subsequently to administration of the platinumcontaining chemotherapeutic agent. Combinations of these time periods can also be employed.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed October 2, 1997 and granted December 23, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 2, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 2, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 2, 1997
GrantedDecember 23, 2003
Term endedOctober 2, 2017
Patent numberCA 2265983 C
Classification (IPC)A61K31/10 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedOct 2, 1997Patent grantedDec 23, 2003Term endedOct 2, 2017

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.