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Related Experiment Video

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Transcutaneous Peripheral Nerve Stimulation for Essential Tremor: A Randomized Clinical Trial.

William G Ondo1, Wen Lv2, Xiaodong Zhu3

  • 1Houston Methodist Hospital, Houston, Texas.

JAMA Neurology
|October 20, 2025
PubMed
Summary
This summary is machine-generated.

An AI-driven transcutaneous peripheral nerve stimulation (TPNS) device significantly improved daily activities for essential tremor (ET) patients. This noninvasive treatment offers a promising new option for managing ET symptoms.

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Area of Science:

  • Neurology
  • Biomedical Engineering
  • Artificial Intelligence

Background:

  • Essential tremor (ET) is the most prevalent form of arm tremor.
  • Transcutaneous peripheral nerve stimulation (TPNS) offers a method to modulate the central tremor-generating network.

Purpose of the Study:

  • To evaluate the efficacy of an artificial intelligence (AI)-driven TPNS device compared to a sham device in alleviating ET.
  • To assess the impact of AI-driven TPNS on daily activities in individuals with ET.

Main Methods:

  • A randomized clinical trial involving 125 adults with ET across 12 clinics in the US and China.
  • Participants used either an active AI-driven TPNS device or a sham device for 90 days.
  • The primary outcome measured was the change in the modified Activities of Daily Living (mADL) subscale of the TETRAS.

Main Results:

  • The AI-driven TPNS group showed a significantly greater reduction in mADL scores (6.9 points) compared to the sham group (2.7 points) at 90 days (P < .001).
  • Skin irritation was the most common adverse event, occurring in 33.7% of the TPNS group versus 4.8% of the sham group.
  • Other adverse events were infrequent and primarily reported in the TPNS group.

Conclusions:

  • AI-driven TPNS demonstrated superior efficacy in improving upper limb function and daily activities for ET patients over 90 days.
  • The device represents a potentially effective, noninvasive therapeutic option for managing essential tremor.