ClinicalTrials.Veeva

Menu

Pilot Study of Open Label Homocysteine Management Therapy in Levodopa-treated Parkinson's Disease

Oregon Health & Science University (OHSU) logo

Oregon Health & Science University (OHSU)

Status

Enrolling

Conditions

Parkinson&Amp;#39;s Disease

Treatments

Dietary Supplement: Vitamin B12
Dietary Supplement: Folic Acid 1 MG
Dietary Supplement: Vitamin B6 25 MG

Study type

Interventional

Funder types

Other

Identifiers

NCT06772220
IRB 25171
PF-CER-979199 (Other Grant/Funding Number)

Details and patient eligibility

About

This is a research study investigating elevated homocysteine in the blood of patients with Parkinson's disease who are currently receiving treatment with levodopa. We are evaluating if elevated homocysteine can be corrected using open label B vitamin therapy, as well as the impact of homocysteine levels on cognitive function.

Enrollment

150 estimated patients

Sex

All

Ages

40 to 90 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Diagnosis of probable Parkinson's Disease according to Movement Disorders Society criteria.
  2. Currently treated with levodopa at a minimum dose of 300 mg/day
  3. Montreal Cognitive Assessment (MOCA) ≥15
  4. Demonstrated capacity to provide informed consent.
  5. 40-90 years of age
  6. Estimated glomerular filtration rate ≥60
  7. Absence of uncontrolled hypertension in medical history
  8. Absence of insulin use

Exclusion criteria

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

150 participants in 2 patient groups

B vitamin regimen
Experimental group
Description:
Daily doses of 1mg folic acid, 25mg vitamin B6, and 1,000 ug vitamin B12.
Treatment:
Dietary Supplement: Vitamin B6 25 MG
Dietary Supplement: Folic Acid 1 MG
Dietary Supplement: Vitamin B12
No vitamins
No Intervention group
Description:
No vitamin intervention.

Trial contacts and locations

1

Loading...

Central trial contact

Madeline Armendariz Sullivan

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems