2020
Kratom and Pain Tolerance: A Randomized, Placebo-Controlled, Double-Blind Study.
Vicknasingam B, Chooi WT, Rahim AA, Ramachandram D, Singh D, Ramanathan S, Yusof NSM, Zainal H, Murugaiyah V, Gueorguieva R, Mansor SM, Chawarski MC. Kratom and Pain Tolerance: A Randomized, Placebo-Controlled, Double-Blind Study. The Yale Journal Of Biology And Medicine 2020, 93: 229-238. PMID: 32607084, PMCID: PMC7309661.Peer-Reviewed Original ResearchConceptsDouble-blind studyPain toleranceCold pressor taskConsumption of placeboSigns of withdrawalKratom consumptionTraditional medicine useKratom ingestionPain reliefPain onsetInpatient staySafety profileMedicine useWithdrawal symptomsPlacebo drinkHand withdrawalHealth statusVital signsKratom productsSelf-reported dataRandomized sequencePlaceboKratomSignificant increaseDecoction
2005
Buprenorphine tablet versus liquid: A clinical trial comparing plasma levels, efficacy, and symptoms
Chawarski MC, Moody DE, Pakes J, O'Connor PG, Schottenfeld RS. Buprenorphine tablet versus liquid: A clinical trial comparing plasma levels, efficacy, and symptoms. Journal Of Substance Use And Addiction Treatment 2005, 29: 307-312. PMID: 16311183, DOI: 10.1016/j.jsat.2005.08.011.Peer-Reviewed Original ResearchConceptsTrough concentrationsPlasma concentrationsOpiate-dependent volunteersIllicit opioid usePeak plasma concentrationBuprenorphine doseBuprenorphine tabletsOpioid useWithdrawal symptomsBuprenorphine levelsPlasma levelsTablet doseClinical trialsLarge intersubjectLiquid formulationStudy participantsIntrasubject variabilityPlasma samplesPeak concentrationTablet formulationLiquid dosesDays of maintenanceSymptomsDoseConcentration curve
1999
Plasma concentrations of buprenorphine 24 to 72 hours after dosing
Chawarski MC, Schottenfeld RS, O’Connor P, Pakes J. Plasma concentrations of buprenorphine 24 to 72 hours after dosing. Drug And Alcohol Dependence 1999, 55: 157-163. PMID: 10402160, DOI: 10.1016/s0376-8716(98)00192-6.Peer-Reviewed Original ResearchConceptsDose scheduleWithdrawal symptomsPlasma concentrationsDaily buprenorphine doseHigh-dose scheduleThrice-weekly scheduleAdministration of buprenorphineOpiate-dependent subjectsHigher plasma concentrationsUse of heroinBuprenorphine doseDaily administrationOutpatient clinicPlasma levelsSublingual administrationAgonist effectsOpiate useHeroin useLow doseHigh doseBuprenorphine solutionMg/70High dosesConcentration 24Dependent subjects