NCT07430722Completed
Cross-sectional Study of Vitamin B6 in Parkinson's Disease
A Cross-sectional Study of Serum Vitamin B6 Levels in People Living With Parkinson's Disease
Source: ClinicalTrials.gov · Last updated 27 Feb 2026
Brief summary (registry, in English)
The purpose of this study is to estimate the prevalence of abnormal serum levels of vitamin B6, and the associations of those levels with demographic and clinical variables in a randomly selected sample of people living with Parkinson's disease, compared to historical controls.
- Status (registry)
- Completed
- Study type
- Observational
- Enrollment
- 288 (actual)
- First submitted
- 17 Feb 2026
- Start date
- 1 Jul 2024
- Primary completion date
- 30 Jun 2025
- Lead sponsor
- University of Rochester
- Diseases
- Parkinson disease
- NCT number
- NCT07430722
What you commit to
- Study type: Observational
- Participants enrolled: 288
- From 1 Jul 2024 to the primary completion date, 30 Jun 2025
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- People taking medications (other than levodopa) expected to interfere with B6 levels (steroids, cycloserine, hydralazine, isoniazid, theophylline, penicillamine).
Other illness
- People expected to have abnormal vitamin B6 levels due to underlying conditions (renal disease, bowel disease, rheumatoid arthritis).
Who the study is looking for
- People with a clinical diagnosis of Parkinson's disease according to the diagnostic criteria of the Movement Disorders Society \[Postuma 2015\].
- Participants are ≥ 18 years old.
- As determined by the study investigators, participants are able to communicate at a level sufficient to undergo study interviews.
- As determined by the study investigators, participants have the capacity to provide written informed consent and the ability to comply with all study procedures.
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Movement Disorders Clinic, University of Rochester Medical Center Coordinator of this site? Confirm its status | Rochester | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.