HIV Infections Clinical Trial
Official title:
An Open Label Multinational Study of the Effects of Three Dose Pairs of Tipranavir/Ritonavir (b.i.d.) on the Pharmacokinetic Characteristics of Protocol -Defined, Baseline, Triple Drug Nucleoside and Non-nucleoside Reverse Transcriptase Inhibitor Therapy in HIV-1-infected Subjects.
Primary: Sequentially determine the effects of three dose combinations of tipranavir (TPV) /
ritonavir (RTV) (administered b.i.d.), TPV 1250 mg/RTV 100 mg vs. TPV 750 mg/RTV 100 mg vs.
TPV 250 mg/RTV 200 mg on the steady-state pharmacokinetics of zidovudine, lamivudine,
stavudine, didanosine, abacavir, nevirapine and efavirenz at approved doses. The three
treatment groups will be enrolled sequentially starting with the highest tipranavir dosage
group first and ending with the lowest tipranavir dosage group.
Secondary: A) To assess the effects of zidovudine, lamivudine, stavudine, didanosine,
abacavir, nevirapine, and efavirenz on the pharmacokinetics of tipranavir/ritonavir compared
to historical controls.
B) To assess the safety of three tipranavir/ritonavir combinations when used in combination
with protocol defined antiretrovirals.
n/a
Allocation: Non-Randomized, Intervention Model: Parallel Assignment, Primary Purpose: Treatment
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