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Completed Phase 2 Interventional

A Safety and Efficacy Study of XP19986 in Subjects With Spasticity Due to Spinal Cord Injury

ClinicalTrials.gov ID: NCT00557973

Public ClinicalTrials.gov record NCT00557973. 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 Jun 25, 2026, 7:18 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

Multiple-Dose Efficacy and Safety Study of XP19986 in Subjects With Spasticity Due to Spinal Cord Injury

Study identification

NCT ID
NCT00557973
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
XenoPort, Inc.
Industry
Enrollment
37 participants

Conditions and interventions

Interventions

  • XP19986 SR1, 10 mg BID Drug
  • XP19986 SR1, 20 mg BID Drug
  • XP19986 SR1, 30 mg BID Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 65 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
Nov 30, 2007
Primary completion
Mar 31, 2009
Completion
Mar 31, 2009
Last update posted
Feb 20, 2021

2007 – 2009

United States locations

U.S. sites
11
U.S. states
7
U.S. cities
11
Facility City State ZIP Site status
Not listed Downey California
Not listed Gilroy California
Not listed Pasadena California
Not listed San Jose California
Not listed Englewood Colorado
Not listed Miami Florida
Not listed Atlanta Georgia
Not listed Chicago Illinois
Not listed Kansas City Kansas
Not listed Ann Arbor Michigan
Not listed Detroit Michigan

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 NCT00557973, 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 20, 2021 · Synced Jun 25, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00557973 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →