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

Spoken Discourse Biomarker of PD Cognitive Impairment

ClinicalTrials.gov ID: NCT05909163

Public ClinicalTrials.gov record NCT05909163. 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 4, 2026, 1:44 PM EDT

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

Official title

Spoken Language Biomarker of Cognitive Impairment in PD

Brief summary

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

The purpose of this study is to identify unique profiles of speech and language changes that distinguish individuals with Parkinson's disease from adults without Parkinson's disease and individuals with Parkinson's disease with cognitive (e.g., memory, thinking skills) impairment from those without cognitive impairment.

Study identification

NCT ID
NCT05909163
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Northwestern University
Other
Enrollment
140 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
50 Years to 90 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

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

Study timeline

Start date
Mar 4, 2019
Primary completion
Feb 14, 2023
Completion
Feb 14, 2023
Last update posted
Jun 17, 2023

2019 – 2023

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Northwestern University Evanston Illinois 60201

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 NCT05909163, 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 Jun 17, 2023 · Synced Sep 4, 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 NCT05909163 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →