2011
Rifampin, but not rifabutin, may produce opiate withdrawal in buprenorphine-maintained patients
McCance-Katz EF, Moody DE, Prathikanti S, Friedland G, Rainey PM. Rifampin, but not rifabutin, may produce opiate withdrawal in buprenorphine-maintained patients. Drug And Alcohol Dependence 2011, 118: 326-334. PMID: 21596492, PMCID: PMC3272858, DOI: 10.1016/j.drugalcdep.2011.04.013.Peer-Reviewed Original ResearchConceptsBuprenorphine plasma concentrationsWithdrawal symptomsOpiate withdrawalPlasma concentrationsBuprenorphine-maintained patientsBuprenorphine-maintained subjectsDays of rifampinOpioid partial agonistBuprenorphine/naloxoneFirst-line treatmentOpiate withdrawal symptomsSignificant adverse eventsActive metabolite concentrationsOpioid-dependent individualsPlasma buprenorphine concentrationsBuprenorphine pharmacokineticsStable dosesAdverse eventsBuprenorphine doseBuprenorphine therapyAntituberculosis medicationPharmacodynamic interactionsRifampin administrationOpioid dependenceLine treatment
2005
Lack of an effect of atazanavir on steady-state pharmacokinetics of methadone in patients chronically treated for opiate addiction
Friedland G, Andrews L, Schreibman T, Agarwala S, Daley L, Child M, Shi J, Wang Y, O'Mara E. Lack of an effect of atazanavir on steady-state pharmacokinetics of methadone in patients chronically treated for opiate addiction. AIDS 2005, 19: 1635-1641. PMID: 16184033, DOI: 10.1097/01.aids.0000183628.20041.f2.Peer-Reviewed Original ResearchConceptsOpiate withdrawalPharmacokinetic interactionsChronic methadone therapyDaily protease inhibitorEffect of atazanavirIsomers of methadonePlasma maximal concentrationPlasma trough concentrationsEffective antiretroviral treatmentRelevant pharmacokinetic interactionsSteady-state pharmacokineticsConcentration-time curveSubstance abuse treatmentHIV diseaseTrough concentrationsAntiretroviral treatmentHIV infectionMethadone therapyDaily administrationDosage adjustmentAntiretroviral drugsBioequivalence rangePharmacological interactionsPlasma concentrationsRelevant symptomsPopulation Pharmacokinetics of Delavirdine and N-Delavirdine in HIV-Infected Individuals
Smith PF, DiCenzo R, Forrest A, Shelton M, Friedland G, Para M, Pollard R, Fischi M, DiFrancesco R, Morse GD. Population Pharmacokinetics of Delavirdine and N-Delavirdine in HIV-Infected Individuals. Clinical Pharmacokinetics 2005, 44: 99-109. PMID: 15634033, DOI: 10.2165/00003088-200544010-00004.Peer-Reviewed Original ResearchConceptsLarge interpatient variabilityPharmacokinetic parameter estimatesCombination regimensPopulation pharmacokineticsInterpatient variabilityNon-nucleoside reverse transcriptase inhibitorPopulation pharmacokinetic parameter estimatesCells/mm3Double-blind studyHIV-1 infectionMean apparent volumeAge 37 yearsPopulation pharmacokinetic analysisReverse transcriptase inhibitorVolume of distributionFirst-order clearanceTherapeutic drug monitoringTarget drug concentrationsCD4 countMonotherapy studiesOral clearanceDosage regimensPlasma concentrationsTranscriptase inhibitorPharmacokinetic analysis