Abstract: Pharmaceutical formulations suitable for oral administration in solid dosage forms are described. The compositions comprise an effective amount of a base salt of a compound of Formula (I) and a release rate controlling composition comprising a solubilizing agent, a gelling agent, and a water soluble filler; wherein R1, R2, R3 and R4 are defined herein. The formulations are suitable for use in the inhibition of HIV integrase, the treatment and prophylaxis of HIV infection, and the treatment, prophylaxis and delay in the onset of AIDS.

Abstract: Disclosed are pharmaceutical compositions comprising fixed-dose combinations of an extended-release form of metformin, or a pharmaceutically acceptable salt thereof, coated with an immediate-release form of the DPP-4 inhibitor sitagliptin, or a pharmaceutically acceptable salt thereof.

Abstract: Disclosed are pharmaceutical compositions comprising fixed-dose combinations of an extended-release form of metformin, or a pharmaceutically acceptable salt thereof, coated with an immediate-release form of the DPP-4 inhibitor sitagliptin, or a pharmaceutically acceptable salt thereof.

Abstract: The compounds of the present invention are polymorphic crystalline forms of the compound 2-butyl-4-chloro-1-[(2?-(1-H-tetrazol-5-yl)biphenyl-4-yl)methyl]-imidazole-5-carboxylic acid, which has the structure (I).

Abstract: Pharmaceutical formulations suitable for oral administration in solid dosage forms are described. The compositions comprise an effective amount of a base salt of a compound of Formula (I) and a release rate controlling composition comprising a solubilizing agent, a gelling agent, and a water soluble filler; wherein R1, R2, R3 and R4 are defined herein. The formulations are suitable for use in the inhibition of HIV integrase, the treatment and prophylaxis of HIV infection, and the treatment, prophylaxis and delay in the onset of AIDS.

Abstract: A dispensing apparatus for the dispensing of ultra-fine particles on a dry basis in a reproducible manner. The apparatus includes a first gas-solids suspension chamber having particle fluidization means adapted thereto, and a conduit adapted between the first gas-solids chamber and a second gas-solids chamber for communicating via at least one particle orifice particles between the chambers. A high velocity gas stream provides a pressure difference between the chambers whereby a low pressure zone is created within the conduit thereby drawing in particles from the first gas-solids suspension chamber into the second gas-solids suspension chamber via the conduit. The apparatus further includes a combination of a withdrawal feed and a solenoid valve to direct particles from the second gas-solids suspension chamber into a collection area.