# A Post-Approval Registry for Exablate 4000 Type 1.0 and Type 1.1 for Unilateral Thalamotomy for the Treatment of Medication-Refractory Tremor Dominant Idiopathic Parkinson's Disease

> **NCT04991831** · — · RECRUITING · sponsor: **InSightec** · enrollment: 50 (estimated)

## Conditions studied

- Tremor Associated With Tremor Dominant Parkinson's Disease

## Interventions

- **DEVICE:** Unilateral thalamotomy

## Key facts

- **NCT ID:** NCT04991831
- **Lead sponsor:** InSightec
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2022-04-28
- **Primary completion:** 2027-12
- **Final completion:** 2027-12
- **Target enrollment:** 50 (ESTIMATED)
- **Last updated:** 2026-03-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04991831

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04991831, "A Post-Approval Registry for Exablate 4000 Type 1.0 and Type 1.1 for Unilateral Thalamotomy for the Treatment of Medication-Refractory Tremor Dominant Idiopathic Parkinson's Disease". Retrieved via AI Analytics 2026-08-10 from https://api.ai-analytics.org/clinical/NCT04991831. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*