What Actually Works for Methamphetamine Craving: 53 RCTs Point to Exercise and rTMS
- Network meta-analysis of 53 RCTs (n = 3,174) comparing non-pharmacological treatments for methamphetamine use disorder (MUD) — the most comprehensive synthesis to date [Asia/China, Chengdu Sport University]
- Both exercise and rTMS significantly reduced craving compared to conventional rehabilitation — the two most effective non-drug interventions
- Most effective specific protocols: combined aerobic/resistance exercise and 10 Hz rTMS targeting the left DLPFC — clear clinical parameters for implementation
- Exercise, acupuncture, and behavioral therapy also improved quality of life — the benefit extends beyond craving reduction
Methamphetamine use disorder has one of the worst pharmacotherapy records in addiction medicine. No approved medication exists for MUD craving or relapse prevention. This leaves clinicians with non-pharmacological options, but until now the field lacked a comprehensive synthesis of which options actually work and at what parameters. This network meta-analysis from Chengdu Sport University pools 53 RCTs with 3,174 participants and answers both questions.
The two clear winners
The hierarchy is surprisingly clean. Two interventions significantly reduce craving compared to conventional rehabilitation:
Physical exercise — specifically combined aerobic and resistance protocols. The mechanism likely involves both direct dopamine modulation (exercise increases dopamine release in reward circuits, partially compensating for MUD-induced hypodopaminergia) and executive function enhancement (improving top-down control over craving responses).
Repetitive transcranial magnetic stimulation (rTMS) — 10 Hz targeting the left dorsolateral prefrontal cortex. This is the same target used in depression treatment, and the mechanism is analogous: enhancing prefrontal control over subcortical reward circuits. The DLPFC is the executive brake that addiction impairs; rTMS rebuilds its functional strength.
The other interventions
Transcranial direct current stimulation (tDCS), behavioral therapy, and acupuncture showed less consistent craving effects but contributed to quality of life improvements. This matters clinically: craving reduction and QoL improvement are related but distinct outcomes. A treatment that does not crush craving may still improve the patient's overall functioning — and in a disorder with high relapse rates, QoL improvements are meaningful.
The "Intervention-Circuit-Symptom" framework
The authors propose integrating these findings into a framework that maps each intervention to its target circuit and the symptom it addresses. Exercise targets reward and executive circuits → reduces craving and improves mood. rTMS targets prefrontal circuits → reduces craving and enhances cognitive control. Acupuncture targets autonomic and pain circuits → improves QoL and stress regulation.
For your practice
For clinicians treating MUD: this meta-analysis provides an evidence-based decision framework. Your two highest-yield interventions are exercise (combined aerobic/resistance) and rTMS (10 Hz left DLPFC). Both have dose-response characteristics — more sessions produce better outcomes. For residential programs: exercise is free, scalable, and immediately implementable. For outpatient settings with equipment access: rTMS adds a neuromodulation layer to standard care. Combine both where possible — the Chinese evidence suggests synergistic effects (see the follow-up RCT on rTMS + exercise from Southwest University, DOI: 10.1155/da/6470779).
Methamphetamine craving has no approved drug treatment. But 53 RCTs now show what does work: exercise and rTMS, applied systematically.
Heterogeneous study populations and protocols. Most studies from China — cultural generalizability concerns. Exercise and rTMS protocols varied significantly. Long-term abstinence data (>6 months) limited. No head-to-head comparisons between exercise and rTMS as active controls.