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Comparison of PI vs PI ATV vs ATV/r BMS 089

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Presentation on theme: "Comparison of PI vs PI ATV vs ATV/r BMS 089"— Presentation transcript:

1 Comparison of PI vs PI ATV vs ATV/r BMS 089
ARV-trial.com Comparison of PI vs PI ATV vs ATV/r BMS 089 LPV/r mono vs LPV/r + ZDV/3TC MONARK LPV/r QD vs BID M M A5073 LPV/r + 3TC vs LPV/r + 2 NRTI GARDEL ATV/r vs FPV/r ALERT ATV/r vs DRV/r ATADAR FPV/r vs LPV/r KLEAN SQV/r vs LPV/r GEMINI ATV/r vs LPV/r CASTLE DRV/r vs LPV/r ARTEMIS 1

2 Study M05-730: LPV/r QD vs BID, in combination with TDF + FTC QD
ARV-trial.com Study M05-730: LPV/r QD vs BID, in combination with TDF + FTC QD Design Randomisation 1:1:1:1 Open-label W8 W48 W96 N = 166 LPV/r tablet BID + TDF + FTC LPV/r tablet BID + TDF + FTC N = 331 N = 165 LPV/r SGC BID + TDF + FTC 664 patients > 18 years ARV-naïve HIV RNA > 1,000 c/mL N = 167 LPV/r tablet QD + TDF + FTC LPV/r tablet QD + TDF + FTC N = 333 N = 166 LPV/r SGC QD + TDF + FTC Objective Primary endpoint: HIV RNA < 50 c/mL at W48 (ITT, NC = F) Non-inferiority of LPV/r QD vs BID if lower margin of the 95% CI for the difference = - 12% (> 90% power) LPV/r dose: 400/100 mg BID or 800/200 mg QD M05-730 Gathe J. JAIDS 2009;50:474-81 2

3 Study M05-730: LPV/r QD vs BID, in combination with TDF + FTC QD
ARV-trial.com Study M05-730: LPV/r QD vs BID, in combination with TDF + FTC QD Patient disposition and baseline characteristics LPV/r QD LPV/r BID Randomized, N 337 335 Treated eligible patients, N 333 331 Mean age, years Female 20.1% 23.3% White/Black 78% / 17% 73% / 20% HIV RNA (log10 c/mL), mean 4.93 5.05 (p = 0.02 vs QD) HIV RNA > 100,000 c/mL 48% 58.3% (p = vs QD) CD4 cell count (/mm3), mean 216 215 CD4 < 200/mm3 45% 46% Discontinuation by W48, N (%) 49 (15%) 55 (17%) For adverse event 16 10 For virologic failure 2 5 Lost to follow-up/withdrew consent/ non adherence/death 10/16/ 5/2 17/13/ 9/1 M05-730 Gathe J. JAIDS 2009;50:474-81 3

4 Study M05-730: LPV/r QD vs BID, in combination with TDF + FTC QD
ARV-trial.com Study M05-730: LPV/r QD vs BID, in combination with TDF + FTC QD Response to treatment at week 48 QD (N = 333) BID (N = 331) Mean CD4 increase at W48: 186/mm3 (QD) vs 198/mm3 (BID) (p = 0.32) Sensitivity ITT, NC = F, analysis adjusting for baseline imbalance in HIV RNA level confirms non inferiority of virologic response (95% CI for the difference = - 6; 7) Sub-group post hoc analyses: % HIV RNA < 50 c/mL similar at W48 with QD and BID LPV/r, according to subgroups defined by baseline HIV RNA (< or > 100,000 c/mL) or CD4 count (< 50, 50 to < 200 or > 200/mm3) for patients with baseline HIV RNA > 100,000 c/mL and CD4 < 200/mm3, HIV RNA < 50 c/ml = 74% QD vs 73 % BID Primary efficacy endpoint % 100 90 87 77 76 80 60 40 20 ITT, NC = F Observed data 95% CI for the difference = - 5; 8 95% CI for the difference = - 8; 3 M05-730 Gathe J. JAIDS 2009;50:474-81 4

5 Study M05-730: LPV/r QD vs BID, in combination with TDF + FTC QD
ARV-trial.com Study M05-730: LPV/r QD vs BID, in combination with TDF + FTC QD Adverse events and resistance LPV/r QD (N = 333) LPV/r BID (N = 331) p Adverse events of at least moderate severity related to study drugs Diarrhoea 17% 15% NS Nausea 7% 5% Vomiting 3% 4% Grade 3/4 laboratory abnormalities AST > 5 x ULN 1% 2% Cholesterol > 300 mg/dL Triglycerides > 750 mg/dL 6% 0.063 Creatinine clearance < 50 mL/min During the first 8 weeks of treatment Clinical (gastrointestinal) and laboratory (lipids) tolerability similar for SGC and tablets Resistance Among 17 subjects (10 QD and 7 BID) tested for resistance (HIV RNA > 50 c/mL at or after W24 and confirmed > 400 c/mL within 4 weeks): no emergence of PI or TDF resistance mutations. M184V emergence in 3 patients (2 QD, 1 BID) M05-730 Gathe J. JAIDS 2009;50:474-81 5

6 Study M05-730: LPV/r QD vs BID, in combination with TDF + FTC QD
ARV-trial.com Study M05-730: LPV/r QD vs BID, in combination with TDF + FTC QD Summary - Conclusion In antiretroviral-naïve adults, LPV/r QD was virologically non inferior at W48 to LPV/r BID, when administered in combination with TDF and FTC During the first 48 weeks of therapy, there were no significant differences in the safety or tolerability of QD vs BID LPV/r This study used LPV/r tablets, and did not show differences in rate of diarrhoea between QD and BID dosing In subgroups with high baseline HIV RNA and/or low CD4 count, efficacy of LPV/r QD and BID was similar Absence of resistance emergence to LPV/r or TDF, in either groups Limited and similar lipid impact of both LPV/r dosing Patient preference of the tablet over the soft-gel capsule Results support the use of LPV/r QD in combination with TDF and FTC in antiretroviral-naive patients M05-730 Gathe J. JAIDS 2009;50:474-81 6


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