Cross-sectional Study of Vitamin B6 in Parkinson's Disease

Completed

Conditions studied: Parkinson's Disease (PD)

In brief

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.

Key facts

Study ID

NCT07430722

Run by

University of Rochester

People needed

288

Starts

2024-07-01

Expected to finish

2026-02-15

Last updated by the study team

2026-02-27

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 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.

You may not qualify if…

• People expected to have abnormal vitamin B6 levels due to underlying conditions (renal disease, bowel disease, rheumatoid arthritis).
• People taking medications (other than levodopa) expected to interfere with B6 levels (steroids, cycloserine, hydralazine, isoniazid, theophylline, penicillamine).

Where it is running

• Movement Disorders Clinic, University of Rochester Medical Center — Rochester, New York, United States

Full record on ClinicalTrials.gov

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