Glutathione-s-transferase mu as a measure of drug resistance
CA 2084825 A1 · Owner: Pero, Ronald W. · Inventors: Pero, Ronald W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It has been discovered that by determining or measuring a person's glutathione-s-transferase (GST) mu activity one can determine or measure the individual's resistance to drugs, particularly to chemotherapeutic drugs. Approximately 50% of the human population exhibit substantially no GST mu activity, with the remaining 50% showing GST mu activity. This remaining 50% of the population accordingly when, treated with drugs, such as a chemotherapeutic drug for cancer therapy, show less effective response to the drug therapy than the other 50% of the population which have substantially no GST mu activity, since GST mu tends to deactivate drugs. Accordingly, a person having GST mu activity would …
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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 December 8, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 8, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 8, 2014.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.