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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 Oct 26, 2026, 10:30 PM 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

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of the study is to assess the efficacy and safety of XP21279/Carbidopa in comparison to Sinemet as well as evaluate the pharmacokinetics (PK) of levodopa after administration of XP21279/Carbidopa and Sinemet and to explore exposure-response relationships in a subset of subjects.

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

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
Jul 2010 (Type not available)
Primary completion
Oct 2011 (Actual)
Completion
Dec 2011 (Actual)
Last update posted
Feb 18, 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 18, 2021 · Synced Oct 26, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01171313 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →