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AIDS. 2008 Sep 12;22(14):1789-98. doi: 10.1097/QAD.0b013e32830c481b.

Efficacy, safety and tolerability of tipranavir coadministered with ritonavir in HIV-1-infected children and adolescents.

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  • 1Connecticut Children's Medical Center, University of Connecticut School of Medicine, Hartford, Connecticut 06106, USA.



To evaluate the efficacy, safety and tolerability of ritonavir-boosted tipranavir (TPV/r) in HIV-1-infected pediatric patients.


Open-label randomized pediatric trial (1182.14/PACTG1051) comparing TPV/r at two doses including an optimized background regimen.


HIV-1-infected patients (2-18 years) with plasma viral load 1500 copies/ml or more were randomized to TPV/r 290/115 or 375/150 mg/m twice-daily oral solution and optimized background regimen. Week 48 efficacy, safety and tolerability results were evaluated.


Children (n = 115; 97% treatment experienced) were randomized to low or high dose therapy. Eighty-eight remained on-treatment through 48 weeks. Baseline characteristics were similar between dose groups. At study entry, half of the HIV-1 isolates were resistant to all protease inhibitors. At 48 weeks, 39.7% low-dose and 45.6% high-dose TPV/r recipients had viral load less than 400 copies/ml and 34.5 and 35.1%, respectively, achieved viral load less than 50 copies/ml. Vomiting, cough and diarrhea were the most frequent adverse events. Grade 3 alanine aminotransferase elevations were observed in 6.3% of patients. No grade 4 alanine aminotransferase or grade 3/4 aspartate aminotransferase elevations were reported.


TPV/r achieved a sustained virologic response, showed a good safety profile and was well tolerated at either dose. In pediatric patients with high baseline resistance profiles, high-dose TPV/r tended to demonstrate a better sustained response.


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