# Characterization of Manual Dexterity by Finger Force Manipuladum (FFM) in Patients With Writer's Cramp and in Control Subjects

> **NCT03797638** · NA · COMPLETED · sponsor: **Fondation Ophtalmologique Adolphe de Rothschild** · enrollment: 40 (actual)

## Conditions studied

- Dystonic Disorder
- Focal Dystonia
- Writer's Cramp

## Interventions

- **DEVICE:** Finger Force Manipuladum (FFM)

## Key facts

- **NCT ID:** NCT03797638
- **Lead sponsor:** Fondation Ophtalmologique Adolphe de Rothschild
- **Sponsor class:** NETWORK
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-10-01
- **Primary completion:** 2019-07-19
- **Final completion:** 2019-07-19
- **Target enrollment:** 40 (ACTUAL)
- **Last updated:** 2021-06-22

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03797638

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03797638, "Characterization of Manual Dexterity by Finger Force Manipuladum (FFM) in Patients With Writer's Cramp and in Control Subjects". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT03797638. Licensed CC0.

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