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Final 192-week efficacy and safety of once-daily darunavir/ritonavir compared with lopinavir/ritonavir in HIV-1-infected treatment-naïve patients in the ARTEMIS trial Final 192-week efficacy and safety of once-daily darunavir/ritonavir compared with lopinavir/ritonavir in HIV-1-infected treatment-naïve patients in the ARTEMIS trial
- Source :
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HIV Medicine . Jan2013, Vol. 14 Issue 1, p49-59. 11p. 3 Charts, 3 Graphs. - Publication Year :
- 2013
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Abstract
- Objective This paper presents the final analysis of once-daily darunavir/ritonavir ( DRV/r) vs. lopinavir/ritonavir ( LPV/r) in treatment-naïve HIV-1-infected adults. Methods ARTEMIS ( AntiRetroviral Therapy with TMC114 ExaMined In naïve Subjects; NCT00258557) was a randomized, open-label, phase- III, 192-week trial. Patients were stratified by baseline HIV-1 RNA and CD4 count, and randomized to once-daily DRV/r 800/100 mg or LPV/r 800/200 mg total daily dose (either once or twice daily) plus tenofovir/emtricitabine. Results Of 689 randomized patients receiving treatment ( DRV/r: 343; LPV/r: 346), 85 and 114 patients in the DRV/r and LPV/r arms, respectively, had discontinued by week 192. Noninferiority was shown in the primary endpoint of virological response ( HIV-1 RNA < 50 copies/ mL) [ DRV/r: 68.8%; LPV/r: 57.2%; P < 0.001; intent to treat ( ITT)/time to loss of virological response; estimated difference in response 11.6% (95% confidence interval 4.4-18.8%)]. Statistical superiority in virological response of DRV/r over LPV/r was demonstrated for the primary endpoint ( P = 0.002) and for the ITT non-virological-failure-censored analysis (87.4% vs. 80.8%, respectively; P = 0.040). No protease inhibitor ( PI) primary mutations developed and only low levels of nucleoside reverse transcriptase inhibitor ( NRTI) resistance developed in virological failures in both groups. Significantly fewer discontinuations because of adverse events were observed with DRV/r (4.7%) than with LPV/r (12.7%; P = 0.005). Grade 2-4 treatment-related diarrhoea was significantly less frequent with DRV/r than with LPV/r (5.0% vs. 11.3%, respectively; P = 0.003). DRV/r was associated with smaller median increases in total cholesterol and triglyceride levels than LPV/r. Changes in low- and high-density lipoprotein cholesterol were similar between groups. Similar increases in aspartate aminotransferase and alanine aminotransferase for DRV/r and LPV/r were observed. Conclusion Over 192 weeks, once-daily DRV/r was noninferior and statistically superior in virological response to LPV/r, with a more favourable gastrointestinal profile, demonstrating its suitability for long-term use in treatment-naïve patients. [ABSTRACT FROM AUTHOR]
- Subjects :
- *COMBINATION drug therapy
*CONFIDENCE intervals
*DRUG resistance
*DRUGS
*FISHER exact test
*HIV infections
*PATIENT compliance
*QUESTIONNAIRES
*RESEARCH funding
*STATISTICS
*DATA analysis
*RANDOMIZED controlled trials
*DISEASE incidence
*DARUNAVIR
*LOPINAVIR-ritonavir
*DESCRIPTIVE statistics
*RITONAVIR
Subjects
Details
- Language :
- English
- ISSN :
- 14642662
- Volume :
- 14
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- HIV Medicine
- Publication Type :
- Academic Journal
- Accession number :
- 83779698
- Full Text :
- https://doi.org/10.1111/j.1468-1293.2012.01060.x