Clinical Trial of High Dose Lisdexamfetamine and Contingency Management in MA Users

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."