The “trial” part of the “only long-term trial” is the 14 month part. The follow-up study, authored by P.S. Here’s my evaluation sequence:Load SIFT Toolbox prompting layerAsk initial question (Did the MTA trial cited here find that stimulants had only a short term benefit?) While the MTA trial did show that treatment group differences disappeared by 36 months, the claim mischaracterizes the study design and cherry-picks findings. The MTA was a 14-month controlled trial, not a long-term medication study.