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Last Updated: December 12, 2025

Claims for Patent: 12,138,264


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Summary for Patent: 12,138,264
Title:Pharmaceutical compositions
Abstract:The present Invention relates to pharmaceutical compositions of (3S, 11aR)-N-[(2,4-difluorophenyl)methyl]-2,3,5,7,11,11a-hexahydro-6-hydroxy-3-methyl-5,7-dioxo-oxazolo[3,2-a]pyrido[1,2-d]pyrazine-8-carboxamide, useful in the treatment or prevention of Human Immunodeficiency Virus (HIV) infections.
Inventor(s):Deepak B. Mundhra, Rennan Pan
Assignee: ViiV Healthcare Co
Application Number:US18/679,621
Patent Claims: 1. A parenteral pharmaceutical suspension comprising 0.1-50% by weight a compound of formula (I) or a pharmaceutically acceptable salt thereof, 0.1-10% by weight polysorbate, 0.1-10% by weight polyethylene glycol 3350, 4000 or 8000, mannitol, and water, wherein the suspension has mean particle size of 0.1-1 μm, and wherein the suspension has been sterilized by gamma irradiation.

2. The pharmaceutical suspension according to claim 1 for intramuscular administration.

3. The pharmaceutical suspension according to claim 1 for once per month administration.

4. The pharmaceutical suspension according to claim 1 for administration once every two months.

5. The pharmaceutical suspension according to claim 1 for administration at any interval between 30 and 365 days.

6. The pharmaceutical suspension according to claim 2 for once per month administration.

7. The pharmaceutical suspension according to claim 2 for administration once every two months.

8. The pharmaceutical suspension according to claim 2 for administration at any interval between 30 and 365 days.

9. A method for the treatment of an HIV infection in a human comprising administering the pharmaceutical suspension according to claim 1.

10. A method for the treatment of an HIV infection in a human comprising administering the pharmaceutical suspension according to claim 2.

11. A method for the treatment of an HIV infection in a human comprising administering the pharmaceutical suspension according to claim 6.

12. A method for the treatment of an HIV infection in a human comprising administering the pharmaceutical suspension according to claim 7.

13. A method for the treatment of an HIV infection in a human comprising administering the pharmaceutical suspension according to claim 8.

14. The pharmaceutical suspension according to claim 1, wherein the polysorbate is Polysorbate 20 at a quantity of about 20 mg/mL, and the polyethylene glycol is PEG 3350 at a quantity of 20 mg/mL.

15. The pharmaceutical suspension according to claim 2, wherein the polysorbate is Polysorbate 20 at a quantity of about 20 mg/mL, and the polyethylene glycol is PEG 3350 at a quantity of 20 mg/mL.

16. The pharmaceutical suspension according to claim 6, wherein the polysorbate is Polysorbate 20 at a quantity of about 20 mg/mL, and the polyethylene glycol is PEG 3350 at a quantity of 20 mg/mL.

17. The pharmaceutical suspension according to claim 7, wherein the polysorbate is Polysorbate 20 at a quantity of about 20 mg/mL, and the polyethylene glycol is PEG 3350 at a quantity of 20 mg/mL.

18. The pharmaceutical suspension according to claim 8, wherein the polysorbate is Polysorbate 20 at a quantity of about 20 mg/mL, and the polyethylene glycol is PEG 3350 at a quantity of 20 mg/mL.

19. A method for the treatment of an HIV infection in a human comprising administering the pharmaceutical suspension according to claim 15.

20. A method for the treatment of an HIV infection in a human comprising administering the pharmaceutical suspension according to claim 16.

21. A method for the treatment of an HIV infection in a human comprising administering the pharmaceutical suspension according to claim 17.

22. The pharmaceutical suspension according to claim 1, wherein the pharmaceutical suspension comprises 200 mg/mL compound of formula (I), 20 mg/mL polysorbate 20, and 20 mg/mL PEG 3350.

23. The pharmaceutical suspension according to claim 2, wherein the pharmaceutical suspension comprises 200 mg/mL compound of formula (I), 20 mg/mL polysorbate 20, and 20 mg/mL PEG 3350.

24. The pharmaceutical suspension according to claim 6, wherein the pharmaceutical suspension comprises 200 mg/mL compound of formula (I), 20 mg/mL polysorbate 20, and 20 mg/mL PEG 3350.

25. The pharmaceutical suspension according to claim 7, wherein the pharmaceutical suspension comprises 200 mg/mL compound of formula (I), 20 mg/mL polysorbate 20, and 20 mg/mL PEG 3350.

26. The pharmaceutical suspension according to claim 8, wherein the pharmaceutical suspension comprises 200 mg/mL compound of formula (I), 20 mg/mL polysorbate 20, and 20 mg/mL PEG 3350.

27. A method for the treatment of an HIV infection in a human comprising administering the pharmaceutical suspension according to claim 23.

28. A method for the treatment of an HIV infection in a human comprising administering the pharmaceutical suspension according to claim 24.

29. A method for the treatment of an HIV infection in a human comprising administering the pharmaceutical suspension according to claim 25.

30. A method for the treatment of an HIV infection in a human comprising administering the pharmaceutical suspension according to claim 26.

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