2023
Buprenorphine use and courses of care for opioid use disorder treatment within the Veterans Health Administration
Gordon A, Saxon A, Kertesz S, Wyse J, Manhapra A, Lin L, Chen W, Hansen J, Pinnell D, Huynh T, Baylis J, Cunningham F, Ghitza U, Bart G, Yu H, Sauer B. Buprenorphine use and courses of care for opioid use disorder treatment within the Veterans Health Administration. Drug And Alcohol Dependence 2023, 248: 109902. PMID: 37196572, PMCID: PMC10875624, DOI: 10.1016/j.drugalcdep.2023.109902.Peer-Reviewed Original ResearchConceptsOpioid use disorderVeterans Health AdministrationUse disordersHealth AdministrationOpioid use disorder treatmentHalf of patientsOpen cohort studyRetention of patientsCourse of careUse disorder treatmentLarge healthcare systemCohort studyMedian durationPatient characteristicsPatient demographicsDaily doseMedication treatmentBuprenorphine useClinical dataWhite racePatientsProportion daysDisorder treatmentMultiple coursesHealthcare system
2021
Who Uses Veterans Mental Health Services?
Manhapra A, Stefanovics EA, Rhee TG, Rosenheck RA. Who Uses Veterans Mental Health Services? The Journal Of Nervous And Mental Disease 2021, 209: 702-709. PMID: 33993183, DOI: 10.1097/nmd.0000000000001369.Peer-Reviewed Original ResearchConceptsVeterans Health AdministrationPosttraumatic stress disorderHealth service usersMH service usersSubstance use disorder diagnosisClinical practice guidelinesMental health servicesMental health service usersClinical characteristicsMedicaid insurancePain interferenceService usersBlack raceSimilar prevalenceMental health researchMH researchPractice guidelinesGreater prevalenceHealth AdministrationHealth servicesPTSD diagnosisRacial distributionMH statusStress disorderDisorder diagnosisThe association of opioid use disorder and homelessness nationally in the veterans health administration
Manhapra A, Stefanovics E, Rosenheck R. The association of opioid use disorder and homelessness nationally in the veterans health administration. Drug And Alcohol Dependence 2021, 223: 108714. PMID: 33865213, DOI: 10.1016/j.drugalcdep.2021.108714.Peer-Reviewed Original ResearchConceptsOpioid use disorderSubstance use disordersVeterans Health AdministrationRisk factorsUse disordersHealth AdministrationUnited States Veterans Health AdministrationCo-morbid risk factorsPrevalence of OUDMajor risk factorMultivariate logistic regressionHomeless veteransHigher unadjusted oddsCross-sectional analysisClinical factorsVHA patientsNon-homeless veteransUnadjusted oddsVHA careFiscal year 2012US veteransOdds ratioHigh prevalenceHigher oddsPsychiatric diagnosis
2020
Associations between stopping prescriptions for opioids, length of opioid treatment, and overdose or suicide deaths in US veterans: observational evaluation
Oliva E, Bowe T, Manhapra A, Kertesz S, Hah J, Henderson P, Robinson A, Paik M, Sandbrink F, Gordon A, Trafton J. Associations between stopping prescriptions for opioids, length of opioid treatment, and overdose or suicide deaths in US veterans: observational evaluation. The BMJ 2020, 368: m283. PMID: 32131996, PMCID: PMC7249243, DOI: 10.1136/bmj.m283.Peer-Reviewed Original ResearchConceptsLength of treatmentVeterans Health AdministrationOpioid treatmentHealth AdministrationLong patientsObservational evaluationRisk of deathHazards regression modelsFocus of guidelinesLong-term useOpioid cessationOpioid prescriptionsOpioid analgesicsOutpatient prescriptionsPlace patientsSafe prescribingPatient deathUS veteransNon-proportional hazards regression modelsPatient's perspectiveFiscal year 2014OpioidsPatientsOverdoseGreater risk
2017
Three‐year retention in buprenorphine treatment for opioid use disorder nationally in the Veterans Health Administration
Manhapra A, Petrakis I, Rosenheck R. Three‐year retention in buprenorphine treatment for opioid use disorder nationally in the Veterans Health Administration. American Journal On Addictions 2017, 26: 572-580. PMID: 28472543, DOI: 10.1111/ajad.12553.Peer-Reviewed Original ResearchConceptsOpioid use disorderBuprenorphine treatmentLast prescriptionHazards modelUse disordersVeterans Health Administration facilitiesCox proportional hazards modelThree-year retentionProportion hazard modelKaplan-Meier curvesEmergency room visitsPsychotropic drug useVeterans Health AdministrationProportional hazards modelOnly black raceBuprenorphine discontinuationBuprenorphine retentionCharlson indexFirst prescriptionTreatment continuationRoom visitsBlack raceFY 2012Mean durationFiscal year 2012