The present invention describes a soluble stable pharmaceutical
composition for the administration of HIV protease inhibitors. More
specifically the composition comprises a solution of an HIV protease
inhibitor in a combination of suitable pharmaceutical organic solvents, a
surfactant and a bioavailability enhancer. It is also described a process
for the obtainment of concentrated pharmaceutical compositions used in
the administration of HIV protease inhibitors compounds. The composition
of the present invention is suitable for the preparation of oral
solutions for the administration of active drugs and for the
encapsulation in hard gelatin capsules or soft gelatin capsules.