Use of liposome encapsulated ciprofloxacin as an immunotherapeutic drug
CA 2174803 C · Owner: Nagata, Les P. · Inventors: Nagata, Les P.; Wong, Jonathan P.; Saravolac, Edward G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Liposome-encapsulated quinolones and specifically liposome-encapsulated ciprofloxacin dramatically enhances macrophage functions, induces NO production and augments the production of cytokines, rendering the composition an immunoprophylactic and immunotherapeutic agent with unique clinical potential. Liposome-encapsulated ciprofloxacin and other quinolones could be extremely useful in antimicrobial anticancer and AIDS therapies. In such cases the, immunological status of the patient is often compromised or suppressed, making them susceptible to microbial infections and to the development of tumor growth. Selective augmentation of cellular immunity by activation of the microbicidal and …
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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 April 23, 1996 and granted July 11, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 23, 2016.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 23, 2018.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.