# A Study to Analyze Symptoms Prevalent in Early PD (Dysphonia, Tremor)

> **NCT04288804** · — · UNKNOWN · sponsor: **Goalspal LLC** · enrollment: 1000 (estimated)

## Conditions studied

- Parkinson Disease

## Interventions

- **DEVICE:** Smartphone microphone sensor
- **DEVICE:** Smartphone accelerometer sensor

## Key facts

- **NCT ID:** NCT04288804
- **Lead sponsor:** Goalspal LLC
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-02-26
- **Primary completion:** 2023-12-26
- **Final completion:** 2023-12-26
- **Target enrollment:** 1000 (ESTIMATED)
- **Last updated:** 2022-08-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04288804

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04288804, "A Study to Analyze Symptoms Prevalent in Early PD (Dysphonia, Tremor)". Retrieved via AI Analytics 2026-07-02 from https://api.ai-analytics.org/clinical/NCT04288804. Licensed CC0.

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