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Details for Patent: 6,599,535

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Details for Patent: 6,599,535

Title: Pharmaceutical compositions
Abstract:A pharmaceutical composition in the form of a solid dispersion comprising a macrolide, e.g. a rapamycin or an ascomycin, and a carrier medium.
Inventor(s): Guitard; Patrice (Hegenheim, FR), Haeberlin; Barbara (Riehen, CH), Link; Rainer (Staufen, DE), Richter; Friedrich (Grenzach-Wyhlen, DE)
Assignee: Novartis AG (Basel, CH)
Filing Date:Jul 12, 2002
Application Number:10/194,826
Claims:1. A pharmaceutical composition in the form of a solid dispersion comprising 33-epichloro-33-desoxy-ascomycin and a carrier medium, wherein the pharmaceutical composition does not contain a surfactant.

2. The pharmaceutical composition according to claim 1 wherein the carrier medium comprises a water-soluble polymer or a cyclodextrin.

3. The pharmaceutical composition according to claim 2 wherein the water-soluble polymer is hydroxypropylmethylcellulose or polyvinylpyrrolidone.

4. The pharmaceutical composition according to claim 2 wherein the water-soluble polymer is present in an amount up to 95 weight percent, based on the total weight of the composition.

5. The pharmaceutical composition according to claim 1 wherein the ascomycin is present in an amount of up to 30 weight percent, based on the total weight of the composition.

6. The pharmaceutical composition according to claim 1 wherein the ascomycin is in amorphous form.

7. The pharmaceutical composition according to claim 1 which additionally comprises an antioxidant.

8. The pharmaceutical composition according to claim 7 wherein the antioxidant is selected from the group consisting of butylated hydroxytoluene, DL-.alpha.-tocopherol, propyl gallate, ascorbyl palmitate, fumaric acid, and combinations thereof.
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