2022
Complex Persistent Opioid Dependence—an Opioid-induced Chronic Pain Syndrome
Manhapra A. Complex Persistent Opioid Dependence—an Opioid-induced Chronic Pain Syndrome. Current Treatment Options In Oncology 2022, 23: 921-935. PMID: 35435616, DOI: 10.1007/s11864-022-00985-x.Peer-Reviewed Original ResearchConceptsChronic pain syndromeOpioid dependenceOpioid taperingPain syndromeClinical conundrumLong-term opioid useWorse pain controlNon-cancer painOpioid use disorderPoor patient acceptanceSeparate clinical entityAnti-reward systemsOpioid doseOpioid therapyPain providersPain controlOpioid usePain mechanismsClinical entityMore painIatrogenic problemsPatient acceptanceTreatment choiceChronic cancerPain experience
2020
All-cause mortality among males living with and without HIV initiating long-term opioid therapy, and its association with opioid dose, opioid interruption and other factors
Gordon K, Manhapra A, Crystal S, Dziura J, Edelman E, Skanderson M, Kerns R, Justice A, Tate J, Becker W. All-cause mortality among males living with and without HIV initiating long-term opioid therapy, and its association with opioid dose, opioid interruption and other factors. Drug And Alcohol Dependence 2020, 216: 108291. PMID: 33011662, PMCID: PMC7644145, DOI: 10.1016/j.drugalcdep.2020.108291.Peer-Reviewed Original ResearchConceptsMorphine equivalent daily doseCause mortalityLong-term opioid therapyTime-updated Cox regressionStrong dose-response relationshipUnnatural deathsEquivalent daily doseDose-response relationshipOpioid doseOpioid therapyUninfected patientsOpioid useDaily doseCox regressionMortality outcomesTherapy doseHigh doseMale veteransOverdose fatalitiesOverdose mortalityPLWHMortalityHIVPatientsDose