[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100577172":3},{"organization":4,"armGroups":7,"interventions":32,"overallOfficials":38,"centralContacts":42,"locations":48,"responsibleParty":65,"collaborators":68,"id":81,"slug":82,"hasResults":83,"nctId":84,"briefTitle":85,"officialTitle":86,"acronym":87,"eligibilityCriteria":88,"healthyVolunteers":89,"sex":90,"minAge":91,"maxAge":31,"enrollmentInfo":92,"targetDuration":31,"studyType":95,"phases":96,"briefSummary":98,"conditions":99,"keywords":102,"overallStatus":106,"whyStopped":31,"lastUpdateSubmitDate":107,"lastUpdatePostDateStruct":108,"startDateStruct":111,"completionDateStruct":113,"leadSponsor":115,"locationsCount":116},{"fullName":5,"class":6},"University of Connecticut","OTHER",[8,14,18,22,27],{"label":9,"type":10,"description":11,"interventionNames":12},"Information-based engagement prompts","EXPERIMENTAL","Information-based engagement prompts are expected to improve participants' knowledge of harm reduction needs by providing information relevant to HIV (e.g., HIV\u002FSTI risk reduction), chemsex (e.g., safer drug use, CAD overdose prevention, drug interactions), and other topics (e.g., mental health).",[13],"Behavioral: JomCare is a smartphone-based just-in-time adaptive intervention (JITAI) for chemsex-related harm reduction.",{"label":15,"type":10,"description":16,"interventionNames":17},"Motivation-based engagement prompts","Motivation-based engagement prompts are expected to increase the salience of participants' beliefs about the importance of their harm reduction needs.",[13],{"label":19,"type":10,"description":20,"interventionNames":21},"Behavioral skills-based engagement prompts","Behavioral skills-based engagement prompts are expected to improve self-efficacy and the ability to engage in intervention.",[13],{"label":23,"type":24,"description":25,"interventionNames":26},"Generic engagement prompts","ACTIVE_COMPARATOR","Generic engagement prompts are included as active comparators to the theory-driven components, as they control for the potential influence of receiving any engagement prompts. Given the aim to optimize JITAI, including generic prompts provides the mechanism for distinguishing the effects of receiving any prompt from the theory-driven prompts.",[13],{"label":28,"type":29,"description":30,"interventionNames":31},"No engagement prompt","NO_INTERVENTION","No engagement prompt is included as an inactive comparator. Participants will not receive any prompt when randomized to this group. Inclusion of the \"no engagement prompt\" will control for the potential impact of being notified of heightened risk, which could activate any pre-existing strategies to reduce or prevent risk.",null,[33],{"type":34,"name":35,"description":36,"armGroupLabels":37,"otherNames":31},"BEHAVIORAL","JomCare is a smartphone-based just-in-time adaptive intervention (JITAI) for chemsex-related harm reduction.","JomCare is a smartphone-based just-in-time adaptive intervention (JITAI) that uses an EMA-based machine learning (ML) algorithm to anticipate chemsex risk and deliver appropriate chemsex-related harm reduction and HIV prevention services when the risk is detected.",[19,23,9,15],[39],{"name":40,"affiliation":5,"role":41},"Roman Shrestha, PhD","PRINCIPAL_INVESTIGATOR",[43],{"name":44,"role":45,"phone":46,"phoneExt":31,"email":47},"Kamal Gautam, MPH","CONTACT","860-486-2834","kamal.gautam@uconn.edu",[49],{"facility":50,"status":31,"city":51,"state":31,"zip":31,"country":52,"countryCode":53,"cosmosGeoPoint":54,"geoPoint":59,"contacts":60},"University of Malaya","Kuala Lumpur","Malaysia","MY",{"type":55,"coordinates":56},"Point",[57,58],101.68653,3.1412,{"lat":58,"lon":57},[61],{"name":62,"role":45,"phone":63,"phoneExt":31,"email":64},"Iskandar Azwa, MD","03-2246 3383","iskandar.azwa@um.edu.my",{"type":41,"investigatorFullName":66,"investigatorTitle":67,"investigatorAffiliation":5,"oldNameTitle":31,"oldOrganization":31},"Roman Shrestha","Assistant Professor",[69,70,72,75,77,79],{"name":50,"class":6},{"name":71,"class":6},"Yale University",{"name":73,"class":74},"National Institute on Drug Abuse (NIDA)","NIH",{"name":76,"class":6},"University of Michigan",{"name":78,"class":6},"University of Texas at Tyler",{"name":80,"class":6},"Ohio State University","100577172","jomcare-study---a-harm-reduction-study-100577172",false,"NCT06794840","JomCare Study - A Harm Reduction Study","Optimizing a Just-in-Time Adaptive Intervention to Increase Uptake of Chemsex Harm Reduction Services in MSM: A Micro-randomized Trial","JomCare","Inclusion Criteria:\n\n* Age ≥18 years;\n* Cisgender man;\n* HIV-negative or HIV status unknown;\n* Having engaged in \"chemsex\" in the past 12 months (defined as using CAD, including crystal methamphetamine, mephedrone, GBL\u002FGHB, and\u002For ecstasy\u002FMDMA)\n* Own a smartphone\n\nExclusion Criteria:\n\n* Unable to provide informed consent\n* Enrolled in drug rehabilitation, substance use treatment, and narcotics or other behavioral intervention-based treatment\n* Unable to read and understand English or Bahasa Malaysia",true,"MALE","18 Years",{"count":93,"type":94},482,"ESTIMATED","INTERVENTIONAL",[97],"NA","Chemsex, the use of psychoactive drugs before or during sexual activity, is a growing public health concern associated with striking increases in HIV, particularly among men who have sex with men (MSM). This study proposes to optimize an app-based just-in-time adaptive intervention, called JomCare, which aims to reduce chemsex risk by delivering tailored support when a person is most likely to be vulnerable to chemsex risk behaviors and receptive to intervention, with the purpose of reducing risk and averting new HIV infections.",[100,101],"HIV","Substance Abuse Disorder",[100,103,104,105],"mHealth","JITAI","Chemsex","NOT_YET_RECRUITING","2026-02-20",{"date":109,"type":110},"2026-02-23","ACTUAL",{"date":112,"type":94},"2026-04-01",{"date":114,"type":94},"2029-05-30",{"name":5,"class":6},1]