2017
Early Initiation of Amphetamine-Type Stimulants (ATS) Use Associated with Lowered Cognitive Performance among Individuals with Co-Occurring Opioid and ATS Use Disorders in Malaysia
Chooi WT, Zaharim N, Desrosiers A, Ahmad I, Yasin MAM, Jaapar S, Schottenfeld RS, Vicknasingam BK, Chawarski MC. Early Initiation of Amphetamine-Type Stimulants (ATS) Use Associated with Lowered Cognitive Performance among Individuals with Co-Occurring Opioid and ATS Use Disorders in Malaysia. Journal Of Psychoactive Drugs 2017, 49: 326-332. PMID: 28661714, PMCID: PMC6218246, DOI: 10.1080/02791072.2017.1342152.Peer-Reviewed Original ResearchConceptsCognitive performanceStandard Progressive MatricesRey-Osterrieth Complex Figure TestSymbol digit substitution taskCognitive performance groupsComplex Figure TestRaven's Standard Progressive MatricesATS use disorderATS useDigit spanTrail MakingCognitive functioningFigures TestAmphetamine-type stimulant useSubstitution taskProgressive MatricesFunctioning profilesDrug useCo-occurring opioidGroup differencesCurrent study findingsStimulant useClusters of individualsATS dependenceUse disorders
2015
Pilot study of atomoxetine for BUP/NX-maintained patients with co-occurring opioid and ATS use disorder
Schottenfeld R, Chawarski M, Sofuoglu M, Chooi W, Zaharim N, Yasin M, Ahmad I, Jaapar S, Kasinather V. Pilot study of atomoxetine for BUP/NX-maintained patients with co-occurring opioid and ATS use disorder. Drug And Alcohol Dependence 2015, 156: e200. DOI: 10.1016/j.drugalcdep.2015.07.538.Peer-Reviewed Original Research