Mode
Text Size
Log in / Sign up

High-frequency rTMS plus exercise reduced craving and negative emotions in methamphetamine use disorderMagnetic Pulses Plus Exercise Lift Mood in Meth Recovery

AI-generated summary of the cited source, checked by automated accuracy review. How we work

Key Takeaway
Consider rTMS plus exercise as a potential strategy for MUD, but recognize evidence is from a small, male-only trial.

This randomized clinical trial evaluated a combination treatment in 54 male patients with methamphetamine use disorder. Participants were assigned to one of three groups: high-frequency repetitive transcranial magnetic stimulation (rTMS) combined with physical exercise (PE), PE alone, or a control group receiving health education. The primary outcome was not explicitly distinguished from secondary outcomes, which included depression, anxiety, methamphetamine craving, and blood levels of dopamine (DA), β-endorphin (β-EP), and serotonin (5-HT).

After the 8-week intervention, the rTMS+PE group showed significant reductions in depression, anxiety, and craving compared to the control group. The combination therapy also resulted in marked increases in blood levels of DA, β-EP, and 5-HT. During the follow-up period of approximately 2.8 months, the rTMS+PE group maintained superior sustained effects on negative emotions, craving, DA, and β-EP compared to the PE-alone group. At the 8-week mark, craving was significantly lower and DA levels were significantly higher in the combination group versus the exercise-only group.

Safety and tolerability data were not reported. Key limitations include the small sample size, the all-male population, and the lack of reported absolute numbers, effect sizes, or p-values/confidence intervals for the outcomes. Funding sources and conflicts of interest were also not reported. The study suggests a potential novel strategy, but the evidence is preliminary. The clinical relevance is restrained until these findings can be replicated in larger, more diverse populations with more rigorous outcome reporting.

Recovery is rarely a straight line

The hardest part of quitting meth is often not the first week. It is week six, when the world feels gray and the cravings come back uninvited.

Depression and anxiety hit hard during withdrawal. That low mood is one of the biggest reasons people slip back.

So what if you could treat the mood and the craving together, at the same time?

Why this research matters now

Methamphetamine use disorder (MUD) affects millions of people worldwide. Withdrawal often brings deep depression, anxiety, and strong cravings.

Current treatment leans heavily on counseling and support groups. Those help, but relapse rates stay high.

Medicines that work for opioid recovery do not work the same way for meth. That gap leaves people in recovery looking for better tools.

The old approach vs. the new combination

For years, two promising tools have been studied separately.

One is rTMS, which stands for repetitive transcranial magnetic stimulation. It uses magnetic pulses placed on the scalp to gently nudge activity in a specific brain region. Think of it as a non-invasive nudge to a brain area that has gone quiet.

The other is plain old exercise. Moving the body releases chemicals that lift mood and reduce stress.

But here's the twist. No one had really tested whether using them together does more than either one alone.

How the two tools talk to the brain

Think of the brain like a dimmer switch board. During meth withdrawal, the switches that control mood and motivation dim way down.

Exercise turns up several switches at once by releasing chemicals like dopamine (feel-good signal), serotonin (calm and contentment), and beta-endorphin (natural painkiller).

rTMS works more like a targeted tap on one switch. The magnetic pulses focus on the left dorsolateral prefrontal cortex, a front-brain area that helps with planning, self-control, and mood.

Combine a targeted tap with a whole-board boost, and the lights may come up faster and stay on longer.

Researchers ran a randomized clinical trial with 54 men in recovery from meth use. Participants were split into three groups.

One group did 35 minutes of moderate exercise plus 10 minutes of health education, three times a week. The second group added 10 minutes of 10-hertz rTMS before the exercise. The control group got only 45 minutes of health education.

The program ran for 8 weeks, followed by a 4-week check-in. Researchers measured depression, anxiety, cravings, and brain chemicals at the start, at week 8, and at follow-up.

Both active groups improved compared to the control group. Depression dropped. Anxiety eased. Meth cravings fell.

Blood tests showed rises in dopamine, beta-endorphin, and serotonin in both treatment groups.

The group that added rTMS to exercise saw lower cravings and higher dopamine than the exercise-only group at week 8.

Those extra gains were still holding up one month after treatment ended. That durability matters, because the weeks after formal treatment are when many relapses happen.

Why combining them may work so well

The researchers noticed something important. Lower cravings tracked with lower negative emotions.

That suggests the two problems are not separate. When mood lifts, the pull of the drug weakens. When the pull weakens, mood has more room to recover.

Treating both at once may break the loop that keeps people stuck.

Where this fits in the bigger picture

rTMS is already approved in many countries for treatment-resistant depression. It is being studied for cravings in several substance use disorders.

Exercise is cheap, widely available, and has mental health benefits backed by decades of research. The combination is attractive because each piece is already familiar to clinicians.

If you or someone you love is in recovery from meth use, this study is encouraging news, not a prescription.

rTMS is available at some clinics, mainly for depression. Ask a specialist whether it might be appropriate alongside your current recovery plan.

Exercise is something you can start now, ideally with guidance. Moderate activity three times a week is the dose the study used. A walk, a bike ride, a swim, all count.

Recovery is hard, and asking for more tools is a sign of strength, not weakness.

Honest limits

This was a small trial. Fifty-four people is not many, and all of them were men in a specific treatment setting.

The study lasted 8 weeks of treatment with a 4-week follow-up. Longer-term effects, and whether the benefits hold up at 6 months or a year, are unknown.

Women and people with different backgrounds were not included. Real-world clinics may also see different results than a structured research setting.

Larger trials with women, varied ages, and longer follow-up are the clear next step. Researchers will also want to test different rTMS settings and exercise doses to find the best combination.

If results hold, clinics could add a rTMS-and-exercise option to recovery programs within a few years. For now, this study adds hope that treating mood and cravings together may give people in recovery a real edge.

Study Details

Study typeRct
EvidenceLevel 2
Follow-up2.8 mo
PublishedJan 2026
View Original Abstract ↓
BACKGROUND: Mood disorders are a severe symptom in patients with methamphetamine (MA) use disorder (MUD) during withdrawal and are closely associated with the risk of relapse. While both standalone repetitive transcranial magnetic stimulation (rTMS) and physical exercise (PE) have shown positive effects on regulating mood disorders, the potential synergistic benefits of their combined use remain unclear. This study aims to investigate the effects of high-frequency rTMS (10 Hz) combined with PE on mood disorders in patients with MUD and to identify the relevant factors associated with emotional regulation. METHODS: Using a randomized clinical trial design, 54 male patients with MUD were randomly assigned to a PE group, an rTMS combined with PE (rTMS + PE) group, and a control group (CG). All groups received interventions three times per week for a total of 12 weeks (8 weeks of intervention + 4 weeks of follow-up). The PE group received 10-min of health education and 35-min of exercise intervention, the rTMS + PE group received 10-min of 10 Hz rTMS administered over the left dorsolateral prefrontal cortex (DLPFC) and 35-min of exercise intervention, and the CG only received 45 min of health education. Measurements for depression, anxiety, MA craving, and blood neurotransmitters were taken from participants at baseline, the 8th week, and the follow-up period. RESULTS: (1) Compared with the CG, both intervention groups showed significant reductions in depression, anxiety, and MA craving after the 8-week intervention, and these improvements were accompanied by marked increases in the blood levels of dopamine (DA), β-EP, and 5-HT. Furthermore, these effects persisted for up to 1 month after the intervention concluded. (2) Compared to the PE group, the rTMS + PE group demonstrated significantly lower craving and higher DA levels at the 8th week, with the latter exhibiting superior sustained intervention effects during the follow-up period (such as negative emotions, craving, DA, and β-EP). (3) The reduction of negative emotions is not only related to the intervention increasing the release level of neurotransmitters in the blood but also to the decrease in MA craving. CONCLUSION: These findings indicate that adding high-frequency rTMS to moderate-intensity exercise can produce better therapeutic effects (such as emotion regulation and craving reduction) and increase the sustained impact on the rehabilitation of patients with MUD during the withdrawal period, thus providing a novel strategy for treatment of MUD. ClinicalTrials.gov identifier: ChiCTR2500105315.
Free Newsletter

Clinical research that matters. Delivered to your inbox.

Join thousands of clinicians and researchers. No spam, unsubscribe anytime.