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Details for Patent: 5,627,186

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Details for Patent: 5,627,186

Title: Antiviral combinations
Abstract:Combinations comprising a compound of formula (1) ##STR1## or a pharmaceutically acceptable derivative thereof and an inhibitor of HIV replication, pharmaceutical formulations thereof and their use in the treatment of HIV infections.
Inventor(s): Cameron; Janet M. (Greenford, GB3), Cammack; Nicholas (Greenford, GB3)
Assignee: Glaxo Group Limited (GB3)
Filing Date:Mar 28, 1994
Application Number:08/219,176
Claims:1. A combination of drugs which are active against HIV wherein said combination comprises a mixture of first and second compounds wherein said first compound is (2R,cis)-4-amino-1-(2-hydroxymethyl-1,3-oxathiolan-5-yl)-1H-pyrimidin-2-on e or a pharmaceutically acceptable salt, ester or salt of said ester of said first compound and said second compound is 3'-azido-3'-deoxythymidine or a pharmaceutically acceptable salt, ester or salt of said ester of said second compound; said first and second compounds being in a ratio which is synergistic against HIV wherein the ratio of said first compound to said second compound is from about 1.8:1 to about 167:1 by weight.

2. The combination of claim 1 wherein the mixture comprises (2R,cis)-4-amino-1-(2-hydroxy-methyl-1,3-oxathiolan-5-yl)-1H-pyrimidin-2-o ne and 3'-azido-3'-deoxythymidine.

3. A pharmaceutical formulation comprising a combination as claimed in claim 1 together with a pharmaceutically acceptable carrier therefor.

4. A method for the treatment of a mammal, including man, suffering from or susceptible to infection by HIV comprising administration of first and second compounds wherein first compound is (2R,cis)-4-amino-1-(2hydroxymethyl-1,3-oxathiolan-5-yl)-1H-pyrimidin-2-one or a pharmaceutically acceptable salt, ester or salt of said ester of said first compound and said second compound is 3'-azido-3'-deoxythymidine or a pharmaceutically acceptable salt, ester or salt of said ester of said second compound in a ratio of said first compound to said second compound which is about 1.8:1 to 167:1.

5. A method as claimed in claim 4 wherein said first and second compounds are administered sequentially.

6. A method as claimed in claim 4 wherein said first and second compounds are administered simultaneously.
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