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Gastrointestinal tolerability and quality of life in antiretroviral-naïve HIV-1-infected patients: data from the CASTLE study

Most ritonavir-boosted protease inhibitor (PI)-based antiretroviral regimens offer comparable levels of virological efficacy. Thus, the tolerability of the regimen becomes a distinguishing factor with implications for patient quality of life (QoL), treatment adherence, and clinical outcome. This art...

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Published in:AIDS care 2010-06, Vol.22 (6), p.677-686
Main Authors: Malan, Niel, Su, Jun, Mancini, Marco, Yang, Rong, Wirtz, Victoria, Absalon, Judith, McGrath, Donnie, for the CASTLE Study Team
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container_title AIDS care
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creator Malan, Niel
Su, Jun
Mancini, Marco
Yang, Rong
Wirtz, Victoria
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for the CASTLE Study Team
description Most ritonavir-boosted protease inhibitor (PI)-based antiretroviral regimens offer comparable levels of virological efficacy. Thus, the tolerability of the regimen becomes a distinguishing factor with implications for patient quality of life (QoL), treatment adherence, and clinical outcome. This article describes results from the CASTLE study (comparing once-daily atazanavir/ritonavir [ATV/RTV] with twice-daily lopinavir/ritonavir [LPV/RTV], both in combination with fixed-dose tenofovir/emtricitabine, in treatment-naïve HIV-infected patients) and an evaluation of the impact of gastrointestinal (GI) complications of treatment on patient QoL, as measured by the irritable bowel syndrome (IBS) QoL questionnaire (IBS-QoL). Changes in IBS-QoL from baseline over time (to week 24) were classified as: "Improvement" (≥2-point positive change from baseline), "No change" (
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Thus, the tolerability of the regimen becomes a distinguishing factor with implications for patient quality of life (QoL), treatment adherence, and clinical outcome. This article describes results from the CASTLE study (comparing once-daily atazanavir/ritonavir [ATV/RTV] with twice-daily lopinavir/ritonavir [LPV/RTV], both in combination with fixed-dose tenofovir/emtricitabine, in treatment-naïve HIV-infected patients) and an evaluation of the impact of gastrointestinal (GI) complications of treatment on patient QoL, as measured by the irritable bowel syndrome (IBS) QoL questionnaire (IBS-QoL). Changes in IBS-QoL from baseline over time (to week 24) were classified as: "Improvement" (≥2-point positive change from baseline), "No change" (&lt;2-point change), or "Worsening" (≥2-point negative change). Data were collected on GI adverse events (AEs) and use of GI medications. Of the 599 patients with IBS-QoL-evaluable data through week 24, fewer patients in the ATV/RTV group than in the LPV/RTV group experienced grade 2-4 treatment-related GI AEs including diarrhea (3% versus 10%), nausea (5% versus 7%), and vomiting (&lt;1% on both arms). Nearly three times as many patients receiving LPV/RTV used GI medications. ATV/RTV was associated with an increase in overall IBS-QoL scores and more patients receiving ATV/RTV than LPV/RTV experienced improvement in IBS-QoL through week 24. In contrast to LPV/RTV, ATV/RTV treatment was associated with earlier and more positive improvements in QoL scores across CD4 sub-groups. 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Drug treatments ; Prospective Studies ; Pyridines - adverse effects ; Pyrimidinones - adverse effects ; Quality of Life ; Ritonavir - adverse effects ; Surveys and Questionnaires ; Tenofovir ; Toxicity: digestive system ; Viral diseases ; Viral diseases of the lymphoid tissue and the blood. Aids ; Young Adult</subject><ispartof>AIDS care, 2010-06, Vol.22 (6), p.677-686</ispartof><rights>Copyright Taylor &amp; Francis Group, LLC 2010</rights><rights>2015 INIST-CNRS</rights><rights>Copyright Taylor &amp; Francis Ltd. 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subjects Acquired immune deficiency syndrome
Adenine - adverse effects
Adenine - analogs & derivatives
Adherence
Adult
Aged
AIDS
AIDS/HIV
Anti-Retroviral Agents - adverse effects
Anti-Retroviral Agents - therapeutic use
Antiretroviral drugs
Antiretroviral therapy
Antiretroviral Therapy, Highly Active
atazanavir
Atazanavir Sulfate
Biological and medical sciences
Clinical outcomes
Deoxycytidine - adverse effects
Deoxycytidine - analogs & derivatives
Digestive system
Drug therapy
Drug Therapy, Combination
Drug toxicity and drugs side effects treatment
Emtricitabine
Female
Gastrointestinal Diseases - chemically induced
GI tolerability
Health
health-related quality of life
HIV
HIV Infections - complications
HIV Infections - drug therapy
HIV-1
Human immunodeficiency virus
Human viral diseases
Humans
Immune response system
Infectious diseases
Irritable bowel syndrome
Irritable Bowel Syndrome - chemically induced
Lopinavir
Male
Medical care
Medical sciences
Medical treatment
Medication Adherence
Middle Aged
Oligopeptides - adverse effects
Organophosphonates - adverse effects
Pharmacology. Drug treatments
Prospective Studies
Pyridines - adverse effects
Pyrimidinones - adverse effects
Quality of Life
Ritonavir - adverse effects
Surveys and Questionnaires
Tenofovir
Toxicity: digestive system
Viral diseases
Viral diseases of the lymphoid tissue and the blood. Aids
Young Adult
title Gastrointestinal tolerability and quality of life in antiretroviral-naïve HIV-1-infected patients: data from the CASTLE study
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