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Completed Phase 2 Interventional Results available

High and Low Dose Carbidopa Treatment of Parkinson's Disease

ClinicalTrials.gov ID: NCT01399905

Public ClinicalTrials.gov record NCT01399905. 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 Apr 23, 2026, 6:46 AM EDT

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

Official title

A Randomized Controlled Trial of Four Week Outpatient Treatment of Parkinson's Disease Comparing High and Low Dose Carbidopa.

Study identification

NCT ID
NCT01399905
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Oregon Health and Science University
Other
Enrollment
14 participants

Conditions and interventions

Interventions

  • carbidopa Drug

Drug

Eligibility (public fields only)

Age range
35 Years to 85 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
Feb 28, 2009
Primary completion
Mar 31, 2011
Completion
Apr 30, 2011
Last update posted
Jan 8, 2020

2009 – 2011

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Oregon Health & Science University Portland Oregon 97239

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 NCT01399905, 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 Jan 8, 2020 · Synced Apr 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01399905 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →