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Completed Phase 2 Interventional

A Study to Evaluate the Safety and Tolerability of Arbaclofen Placarbil (XP19986) in Subjects With Acute Back Spasms

ClinicalTrials.gov ID: NCT00817986

Public ClinicalTrials.gov record NCT00817986. 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 21, 2026, 8:20 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 Randomized, Double-blind, Placebo-controlled Study to Evaluate the Safety and Tolerability of XP19986 in Subjects With Acute Back Spasms

Study identification

NCT ID
NCT00817986
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
XenoPort, Inc.
Industry
Enrollment
161 participants

Conditions and interventions

Conditions

Interventions

  • Arbaclofen placarbil, 20 mg Drug
  • Placebo Drug
  • Arbaclofen placarbil, 30 mg Drug
  • Arbaclofen placarbil, 40 mg 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, 2008
Primary completion
Jun 30, 2009
Completion
Jun 30, 2009
Last update posted
Feb 20, 2021

2008 – 2009

United States locations

U.S. sites
20
U.S. states
13
U.S. cities
19
Facility City State ZIP Site status
Not listed Litchfield Park Arizona 85340
Not listed Anaheim California 92084
Not listed Anaheim California 92801
Not listed San Diego California 92128
Not listed Vista California 92083
Not listed Fort Lauderdale Florida 33306
Not listed Miami Florida 33143
Not listed Atlanta Georgia 30308
Not listed Overland Park Kansas 66211
Not listed Erlanger Kentucky 41018
Not listed Traverse City Michigan 49684
Not listed Brick New Jersey 07732
Not listed Raleigh North Carolina 27612
Not listed Winston-Salem North Carolina 27103
Not listed Oklahoma City Oklahoma 73122
Not listed Anderson South Carolina 29621
Not listed Dallas Texas 75234
Not listed Houston Texas 77074
Not listed San Antonio Texas 78215
Not listed Salt Lake City Utah 84106

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 NCT00817986, 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 Jul 21, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00817986 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →