Acupuncture for arousal combined with repetitive transcranial magnetic stimulation promotes functional reorganization of brain regions in patients with a minimally conscious state: study protocol for a randomized controlled trial.

Waking Up from the Inside: How Acupuncture and Brain Stimulation May Help Stroke Survivors Regain Consciousness

After a severe stroke, some patients enter what doctors call a minimally conscious state (MCS) — a condition where a person shows only fleeting signs of awareness. It is more common than many people realize, and caring for someone in this state places enormous emotional and financial strain on families. Yet effective, standardized treatments remain frustratingly limited.

A new clinical trial registered in China is exploring a promising combination approach: a specialized form of acupuncture designed to promote arousal, paired with repetitive transcranial magnetic stimulation (rTMS), a non-invasive technology that uses magnetic pulses to stimulate specific areas of the brain. Each therapy has shown some individual benefit in helping comatose patients regain consciousness, but researchers believe combining them may produce stronger, faster results by working on the brain through two different pathways at the same time.

The study will enroll 117 stroke patients and divide them into three groups: one receiving only arousal acupuncture, one receiving only rTMS, and one receiving both. All patients will be treated for four weeks. Researchers will track consciousness levels using standardized scales, measure brain-specific proteins in the blood that signal nerve recovery, and use advanced brain imaging (fMRI) to see how different brain regions reorganize and reconnect during treatment.

This is a protocol paper, meaning the trial is planned and registered but results are not yet available. However, the rigorous design — including randomization, blinded evaluation, and neuroimaging — sets a high scientific bar. If the combined approach proves effective, it could offer families and clinicians a standardized, evidence-based option for one of medicine's most heartbreaking challenges.

If you are exploring acupuncture for a loved one with a neurological condition, always seek care from a licensed, experienced acupuncture practitioner with relevant clinical training.

This registered randomized controlled trial (ChiCTR2400086163) investigates the efficacy and safety of arousal acupuncture combined with repetitive transcranial magnetic stimulation (rTMS) in post-stroke patients with minimally conscious state (MCS). The single-center, third-party blinded trial will enroll 117 patients across three arms: arousal acupuncture monotherapy, rTMS monotherapy, and combination therapy, each delivered over four weeks alongside standard care. Primary outcomes include GCS and CRS-R scores, serum neural biomarkers S-100B and NSE, and fMRI-based assessment of functional brain reorganization. Secondary outcomes encompass standard safety parameters. The rationale centers on the complementary cortical excitability mechanisms of acupuncture and rTMS potentially accelerating consciousness recovery. As a protocol paper, no efficacy data are yet reported. However, the neuroimaging and biomarker endpoints provide a strong framework for elucidating mechanistic pathways. Clinicians working in neurorehabilitation should monitor this trial for results that could support integrating acupuncture protocols into MCS management.