7) The OT analysis confirmed these results The proportion of pa

7). The OT analysis confirmed these results. The proportion of patients exhibiting a virological response in an OT analysis was similar over time (Fig. 4). The proportion of patients who developed grade 3–4 adverse events during 48 weeks of treatment was not statistically significantly different between the arms (SQV/r arm, six

of 57 patients; 11%; ATV/r arm, 12 of 61 www.selleckchem.com/products/Gefitinib.html patients; 20%; P=0.2). Only three of these grade 3–4 adverse events were judged by investigators to be study drug related: hyperbilirubinaemia in two patients and skin rash in another patient. None of the 16 serious adverse events (SQV/r arm, n=8; ATV/r arm, n=8) was judged to be study drug Sirolimus chemical structure related. One patient in the SQV/r arm died during the trial, the death being categorized as sudden death; an autopsy was not performed. Mild-to-moderate loose stools and diarrhoea occurred more frequently in the SQV/r arm (SQV/r arm, n=30; ATV/r arm, n=8), but grade 3–4 gastrointestinal complaints were not reported. Unconjugated hyperbilirubinaemia (grade 2–4) occurred significantly more frequently in the ATV/r arm (SQV/r arm, n=3; ATV/r arm, n=31). We demonstrated noninferiority of the SQV/r-based regimen with respect to changes in TC. Once-daily SQV/r 2000/100 mg and ATV/r 300/100 mg, when

combined with TDF/FTC as initial therapy for HIV-1 infection, had comparable modest effects on TC. In addition, neither of the regimens resulted in significant increases in LDL cholesterol, apoB or TG. This may suggest that both study regimens exert little additional influence on patients’ cardiovascular risk. Findings of observational studies suggest that, although PIs as a class are associated with an increased risk of MI, this is not the case for SQV [30,31]. Data concerning ATV are Orotic acid more sparse, but one case–control study reported that neither SQV nor ATV was significantly associated

with an increased risk of myocardial infarction [32]. Of note, one patient on SQV/r died of sudden death. This may be relevant in light of the recent FDA warning that SQV in healthy volunteers was associated with electrocardiographic QT and PR interval prolongation [33]. Unfortunately, no electrocardiograms were performed in this trial and further details concerning the circumstances of death were not available in our patient. Although there was a numerically greater reduction in insulin sensitivity assessed by HOMA in the ATV/r arm than in the SQV/r arm, this did not reach statistical significance, possibly because of our limited sample size. Of note, a previous hyperinsulinaemic euglycaemic clamp study showed no significant changes in glucose disposal rate after 4 weeks for either treatment [19]. Neither of the regimens was associated with limb fat atrophy or loss of SAT.

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