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Completed Phase 2 Interventional

A Efficacy, Safety and Pharmacokinetic Study of XP21279 and Sinemet® in Parkinson's Disease Subjects

ClinicalTrials.gov ID: NCT01171313

Public ClinicalTrials.gov record NCT01171313. 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 Jul 23, 2026, 12:39 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 Phase 2 Efficacy, Safety and Pharmacokinetic Study of XP21279 BL2 and Sinemet® in Parkinson's Disease Subjects With Motor Fluctuations

Study identification

NCT ID
NCT01171313
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
XenoPort, Inc.
Industry
Enrollment
35 participants

Conditions and interventions

Interventions

  • XP21279 and carbidopa (experimental) Drug
  • Sinemet (comparator) Drug
  • Placebo for XP21279 and carbidopa Drug
  • Placebo for Sinemet Drug

Drug

Eligibility (public fields only)

Age range
30 Years to 80 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
Jun 30, 2010
Primary completion
Sep 30, 2011
Completion
Nov 30, 2011
Last update posted
Feb 17, 2021

2010 – 2011

United States locations

U.S. sites
12
U.S. states
9
U.S. cities
12
Facility City State ZIP Site status
XenoPort Clinical Site Phoenix Arizona 85013
XenoPort Clinical Site Little Rock Arkansas 72205
XenoPort Clinical Site Long Beach California 90806
XenoPort Clinical Site Sunnyvale California 94085
XenoPort Clinical Site Naples Florida 34102
XenoPort Clinical Site Tampa Florida 33606
XenoPort Clinical Site Kansas City Kansas 66160
XenoPort Clinical Site Bingham Farms Michigan 48025
XenoPort Clinical Site West Bloomfield Michigan 48322-3013
XenoPort Clinical Site New Brunswick New Jersey 08901
XenoPort Clinical Site Tulsa Oklahoma 74137
XenoPort Clinical Site Houston Texas 77030

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 NCT01171313, 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 Feb 17, 2021 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01171313 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →