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Completed Phase 2 Interventional Results available

Safety and Efficacy Study of NBI-98854 in Adults With Tourette Syndrome

ClinicalTrials.gov ID: NCT02581865

Public ClinicalTrials.gov record NCT02581865. 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 Sep 4, 2026, 8:48 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, Double-Blind, Placebo-Controlled Study to Assess the Safety and Efficacy of NBI-98854 in Adult Subjects With Tourette Syndrome

Brief summary

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

Phase 2, double-blind, placebo-controlled study to assess the safety and efficacy of NBI-98854 administered once daily (qd) for a total of 8 weeks of treatment. This study will enroll approximately 90 male and female subjects clinically diagnosed with Tourette Syndrome.

Study identification

NCT ID
NCT02581865
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Neurocrine Biosciences
Industry
Enrollment
124 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 64 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
Oct 31, 2015
Primary completion
Nov 30, 2016
Completion
Nov 30, 2016
Last update posted
May 6, 2020

2015 – 2016

United States locations

U.S. sites
30
U.S. states
16
U.S. cities
30
Facility City State ZIP Site status
Not listed Long Beach California
Not listed National City California
Not listed San Bernardino California
Not listed San Diego California
Not listed Upland California
Not listed Gainesville Florida
Not listed Hialeah Florida
Not listed St. Petersburg Florida
Not listed Tampa Florida
Not listed Atlanta Georgia
Not listed Chicago Illinois
Not listed Boston Massachusetts
Not listed Natick Massachusetts
Not listed St Louis Missouri
Not listed Nashua New Hampshire
Not listed Summit New Jersey
Not listed Albany New York
Not listed Manhasset New York
Not listed New York New York
Not listed Staten Island New York
Not listed Cincinnati Ohio
Not listed Oklahoma City Oklahoma
Not listed Norristown Pennsylvania
Not listed Nashville Tennessee
Not listed Dallas Texas
Not listed Irving Texas
Not listed Orem Utah
Not listed Salt Lake City Utah
Not listed Kirkland Washington
Not listed Spokane Washington

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 NCT02581865, 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 May 6, 2020 · Synced Sep 4, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT02581865 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →