Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed No phase listed Observational Accepts healthy volunteers

A Novel Measurement Concept to Objectively Quantify Severity of Vocal and Speech Related Symptoms Associated With Parkinson's Disease

ClinicalTrials.gov ID: NCT05421832

Public ClinicalTrials.gov record NCT05421832. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 26, 2026, 10:10 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The aim of this research program is to develop and validate a smartphone app-based digital measurement concept that: * Objectively quantifies the severity of Parkinson's Disease (PD) related vocal and speech symptoms; * Accurately and sensitively identifies vocal and speech abnormalities associated with the prodromal stage of PD.

Study identification

NCT ID
NCT05421832
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Northwestern University
Other
Enrollment
91 participants

Conditions and interventions

Interventions

Device

Eligibility (public fields only)

Age range
30 Years and older
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 26, 2022
Primary completion
Jun 29, 2025
Completion
Jun 29, 2025
Last update posted
Jul 23, 2025

2022 – 2025

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Northwestern University Chicago Illinois 60611 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05421832, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 23, 2025 · Synced Sep 26, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05421832 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →