2019
Emulating a trial of joint dynamic strategies: An application to monitoring and treatment of HIV‐positive individuals
Caniglia EC, Robins JM, Cain LE, Sabin C, Logan R, Abgrall S, Mugavero MJ, Hernández‐Díaz S, Meyer L, Seng R, Drozd DR, Seage G, Bonnet F, Le Marec F, Moore RD, Reiss P, Sighem A, Mathews WC, Jarrín I, Alejos B, Deeks SG, Muga R, Boswell SL, Ferrer E, Eron JJ, Gill J, Pacheco A, Grinsztejn B, Napravnik S, Jose S, Phillips A, Justice A, Tate J, Bucher HC, Egger M, Furrer H, Miro JM, Casabona J, Porter K, Touloumi G, Crane H, Costagliola D, Saag M, Hernán MA. Emulating a trial of joint dynamic strategies: An application to monitoring and treatment of HIV‐positive individuals. Statistics In Medicine 2019, 38: 2428-2446. PMID: 30883859, PMCID: PMC6499640, DOI: 10.1002/sim.8120.Peer-Reviewed Original ResearchConceptsHIV-positive individualsCopies/First-line treatment regimenAIDS Research NetworkAIDS-free survivalCells/Integrated Clinical SystemsHIV-CAUSAL CollaborationOutcomes of interestRisk difference estimatesDirect effectAntiretroviral therapyHIV RNACD4 thresholdTreatment regimenNew regimenTreatment strategiesHIV researchTarget trialsRegimenTherapyResearch NetworkTrialsSurvivalClinical systems
2016
Efavirenz versus boosted atazanavir-containing regimens and immunologic, virologic, and clinical outcomes
Cain LE, Caniglia EC, Phillips A, Olson A, Muga R, Pérez-Hoyos S, Abgrall S, Costagliola D, Rubio R, Jarrín I, Bucher H, Fehr J, van Sighem A, Reiss P, Dabis F, Vandenhende MA, Logan R, Robins J, Sterne JAC, Justice A, Tate J, Touloumi G, Paparizos V, Esteve A, Casabona J, Seng R, Meyer L, Jose S, Sabin C, Hernán MA. Efavirenz versus boosted atazanavir-containing regimens and immunologic, virologic, and clinical outcomes. Medicine 2016, 95: e5133. PMID: 27741139, PMCID: PMC5072966, DOI: 10.1097/md.0000000000005133.Peer-Reviewed Original ResearchConceptsCD4 cell countEfavirenz regimenVirologic failureVirologic outcomesSurvival differencesNucleoside reverse transcriptase inhibitor (NRTI) backboneCell countReverse transcriptase inhibitor backboneAtazanavir-containing regimensAIDS-free survivalHuman immunodeficiency virusImmune deficiency syndromeHIV-CAUSAL CollaborationAtazanavir regimenHazard ratioClinical outcomesImmunodeficiency virusProspective studyDeficiency syndromeMean changeRegimensEfavirenzTime-varying covariatesInhibitor backboneRegimen
2015
Comparative effectiveness of immediate antiretroviral therapy versus CD4-based initiation in HIV-positive individuals in high-income countries: observational cohort study
Lodi S, Phillips A, Logan R, Olson A, Costagliola D, Abgrall S, van Sighem A, Reiss P, Miró JM, Ferrer E, Justice A, Gandhi N, Bucher HC, Furrer H, Moreno S, Monge S, Touloumi G, Pantazis N, Sterne J, Young JG, Meyer L, Seng R, Dabis F, Vandehende MA, Pérez-Hoyos S, Jarrín I, Jose S, Sabin C, Hernán MA, Collaboration H. Comparative effectiveness of immediate antiretroviral therapy versus CD4-based initiation in HIV-positive individuals in high-income countries: observational cohort study. The Lancet HIV 2015, 2: e335-e343. PMID: 26423376, PMCID: PMC4643831, DOI: 10.1016/s2352-3018(15)00108-3.Peer-Reviewed Original ResearchConceptsNeed of ARTHIV RNA viral loadCD4 countAntiretroviral therapyHIV-positive individualsMean survival timeImmediate initiationHIV diagnosisCohort studyViral loadRelative riskHigh-income countriesProportion of individualsSurvival timeInitiation of ARTART initiation strategiesImmediate antiretroviral therapyLow CD4 countMedian CD4 countObservational cohort studyAIDS-free survivalHIV-1 infectionDiagnosis of HIVViral load measurementsHIV-CAUSAL Collaboration
2011
When to initiate combined antiretroviral therapy to reduce mortality and AIDS-defining illness in HIV-infected persons in developed countries: an observational study.
Cain L, Logan R, Robins J, Sterne J, Sabin C, Bansi L, Justice A, Goulet J, van Sighem A, de Wolf F, Bucher H, von Wyl V, Esteve A, Casabona J, del Amo J, Moreno S, Seng R, Meyer L, Perez-Hoyos S, Muga R, Lodi S, Lanoy E, Costagliola D, Hernan M. When to initiate combined antiretroviral therapy to reduce mortality and AIDS-defining illness in HIV-infected persons in developed countries: an observational study. Annals Of Internal Medicine 2011, 154: 509-15. PMID: 21502648, PMCID: PMC3610527, DOI: 10.7326/0003-4819-154-8-201104190-00001.Peer-Reviewed Original ResearchConceptsCD4 cell countCombined end pointHazard ratioCell countCells/LAntiretroviral therapyCells/L.CD4 cell count thresholdBaseline CD4 cell countEnd pointVeterans Health Administration systemInitiation of cARTThreshold CD4 countCorresponding hazard ratiosMortality hazard ratioAIDS-free survivalProspective observational dataHIV-CAUSAL CollaborationMost clinical guidelinesHealth Administration systemUse of CD4Marginal structural modelsCell count thresholdCART initiationDynamic marginal structural models