Clinical Trial of High Dose Lisdexamfetamine and Contingency Management in MA Users
Addition of High Dose Stimulant and Engagement-focused Contingency Management (CM), Alone and in Combination, to Treatment as Usual (TAU) for the Management of Methamphetamine (MA) Use Disorder (ASCME): a Canadian Multi-centre, RCT
Centre hospitalier de l'Université de Montréal (CHUM)
440 participants
Dec 5, 2023
INTERVENTIONAL
Conditions
Summary
The goal of this clinical trial is to learn if administering a high dose stimulant with Contingency Management reduces days of use in adults who use methamphetamine better than the usual treatment provided by the clinic. The main questions the trial aims to answer are: Is a high dose stimulant better than a placebo and usual treatment at helping reduce the number of days they use methamphetamine? Is a high dose stimulant with contingency management better than placebo and usual treatment at helping people reduce the number of days they use methamphetamine? Participants will be placed randomly into one of four groups: 1. Usual treatment and placebo 2. Usual treatment, placebo and contingency management 3. Usual treatment and high dose stimulant 4. Usual treatment, high dose stimulant and contingency management Participation includes the following: 1. Participants will receive medication or placebo weekly for 15 weeks. 2. Participants will attend the clinic for weekly treatment 3. Participants will attend the clinic once every 2 weeks for study visits. Each visit will take about an hour to complete. At these visits, participants will be asked to provide a urine sample and complete questionnaires.
Eligibility
Plain Language Summary
Simplified for easier understanding
This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.
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Interventions
Participants receive once daily Lisdexamfetamine matched placebo for 15 weeks, as well as treatment as usual at clinical site.
Participants receive once daily Lisdexamfetamine matched placebo for 15 weeks, as well as treatment as usual at clinical site, and engagement-focused contingency management for 12 weeks, week 2-13.
Participants receive once daily Lisdexamfetamine for 15 weeks, as well as treatment as usual at clinical site. Medication is provided in 3 phases: Week 1 (Induction Phase): 100 mg (Day 1 and 2), 150 mg (Day 3 and 4), 200 mg (Day 5, 6 and 7) Weeks 2-13 (Maintenance Phase): 250 mg per day (or the maximum tolerated for each individual) and then will continue on the same daily dose Weeks 14-15 (Taper Phase): 150 mg (Week 14) and 50 mg (Week 15).
Participants receive once daily Lisdexamfetamine for 15 weeks, as well as treatment as usual at clinical site. Medication is provided in 3 phases: Week 1 (Induction Phase): 100 mg (Day 1 and 2), 150 mg (Day 3 and 4), 200 mg (Day 5, 6 and 7) Weeks 2-13 (Maintenance Phase): 250 mg per day (or the maximum tolerated for each individual) and then will continue on the same daily dose Weeks 14-15 (Taper Phase): 150 mg (Week 14) and 50 mg (Week 15). Engagement-focused contingency management will be provided for 12 weeks, Week 2-13.
Locations(4)
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NCT05854667