Mode
Text Size
Log in / Sign up

rTMS improves motor function in Parkinson's disease, meta-analysis finds moderate effectMagnetic brain stimulation improves movement in Parkinson's disease patients

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

Key Takeaway
Consider rTMS as an adjunctive therapy for motor symptoms in Parkinson's disease, with daily protocols potentially more effective.

This meta-analysis of 457 patients with Parkinson's disease (PD) evaluated the effect of repetitive transcranial magnetic stimulation (rTMS) versus sham on motor function as measured by UPDRS-III scores. The analysis found a significant short-term reduction in UPDRS-III scores favoring rTMS (SMD = -0.40, 95% CI: -0.59 to -0.21, p < 0.0001). At 1-month follow-up, a modest long-term improvement persisted (SMD = -0.43, 95% CI: -0.67 to -0.19, p = 0.0004).

A subgroup analysis of daily stimulation protocols showed moderate-to-large effects (SMD = -0.67, 95% CI: -1.12 to -0.22, p = 0.003), though these results are based on subgroup analysis and should be interpreted cautiously. The overall quality of evidence was rated as moderate according to GRADE criteria.

Limitations were not reported in the meta-analysis, and adverse events were not reported, limiting safety assessment. The pooled evidence supports short-term and long-term efficacy of rTMS for motor improvement in PD, with daily protocols potentially offering greater benefit.

How this fits prior evidence

This meta-analysis extends prior evidence on non-pharmacologic interventions for Parkinson's disease. While a previous meta-analysis found resistance training improves quality of life, this analysis focuses on motor function and shows rTMS provides a moderate short-term benefit (SMD -0.40) and sustained improvement at 1 month (SMD -0.43). It also contrasts with earlier TMS findings in focal dystonia by providing pooled effect sizes specific to PD. The results do not address the sex-specific genetic risk or diabetes-related modifiers noted in other recent coverage.

Living with Parkinson's disease often means dealing with physical challenges that make daily movement difficult. New research looks at a treatment called repetitive transcranial magnetic stimulation, or rTMS. This involves using magnetic pulses to stimulate specific areas of the brain to help improve motor skills.

A review of data from 457 patients found that this treatment led to better motor performance compared to a fake (sham) treatment. These improvements were seen in the short term and remained visible at a one-month follow-up. The study specifically noted that daily stimulation sessions showed even stronger results for movement.

While the evidence is solid, it is important to remember that these findings come from a review of existing data rather than a single new trial. Because the research shows different levels of success based on how often the treatment is given, patients should talk to their doctors about whether a daily schedule is right for them.

What this means for you:
Magnetic brain stimulation can improve motor functions in Parkinson's patients, especially with daily sessions.

Common questions

How does magnetic brain stimulation help with Parkinson's?

This treatment, known as rTMS, uses magnetic pulses to stimulate the brain. The study of 457 patients showed that this method improved motor functions compared to a sham treatment. These improvements were seen both in the short term and at a one-month follow-up.

Does the frequency of treatment change the results?

Yes, the timing matters. A look at specific groups showed that daily stimulation protocols led to moderate to large improvements in motor scores. This suggests that consistent, daily sessions may offer more significant benefits for movement than other schedules.

Is this treatment safe for Parkinson's patients?

The study did not report any specific side effects or serious safety concerns during the review of 457 patients. However, you should always speak with your doctor to determine if this specific treatment is safe and appropriate for your personal health needs.

Study Details

Study typeMeta analysis
Sample sizen = 457
EvidenceLevel 1
Follow-up1.0 mo
PublishedJul 2026
View Original Abstract ↓
OBJECTIVE: This meta-analysis aimed to evaluate the short-term and long-term therapeutic effects of repetitive transcranial magnetic stimulation (rTMS) on motor function in patients with Parkinson's disease (PD) and to investigate the potential factors affecting rTMS treatment outcome, including stimulation site, coil type, stimulation frequency, treatment regimen frequency and stimulation pulse number. METHODS: A comprehensive literature search was performed systematically across PubMed, EMBASE, MEDLINE, the Cochrane Library, and Web of Science. Only English-language studies comparing rTMS with sham stimulation were included. Standardized mean difference (SMD) was applied as effect sizes. The Minimum Clinically Important Difference (MCID) was applied to interpret the clinical relevance of findings. RESULTS: Twelve studies comprising 457 patients were included. Using a random-effects model, active rTMS reduced Unified Parkinson's Disease Rating Scale Part III (UPDRS-III) scores compared with sham stimulation (SMD = -0.40, 95% CI: -0.59 to -0.21, p < 0.0001). Long-term benefits were also observed, with a modest improvement in UPDRS-III scores at 1-month follow-up compared with baseline (SMD = -0.43, 95% CI: -0.67 to -0.19, p = 0.0004). Subgroup analyses suggested moderate-to-large effects for daily stimulation protocols (SMD = -0.67, 95% CI: -1.12 to -0.22, p = 0.003). According to the GRADE criteria, the overall quality of evidence was rated as moderate. DISCUSSION: The pooled evidence supports the short-term and long-term efficacy of rTMS in improving motor performance among Parkinson's patients. Based on current evidence, an rTMS protocol involving daily consecutive stimulation may yield therapeutic benefits. TRIAL REGISTRATION: Our meta-analysis is registered with PROSPERO (registration number: CRD420250655158).
Free Newsletter

Clinical research that matters. Delivered to your inbox.

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