Safety and Efficacy of NBI-98854 in Pediatric Subjects With Tourette Syndrome



Status:Recruiting
Conditions:Neurology
Therapuetic Areas:Neurology
Healthy:No
Age Range:6 - 17
Updated:3/21/2019
Start Date:April 16, 2018
End Date:February 2020
Contact:Cheryl Chen
Email:cechen@neurocrine.com
Phone:858-617-7744

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A Phase 2, Double-Blind, Placebo-Controlled, Randomized Withdrawal Study to Evaluate the Safety and Efficacy of NBI-98854 in Pediatric Subjects With Tourette Syndrome

This is a Phase 2, double-blind, placebo-controlled, randomized withdrawal study to evaluate
the safety and maintenance of efficacy of an optimized once-daily (qd) dose of NBI-98854 in
pediatric subjects with TS.


Inclusion Criteria:

1. Have a clinical diagnosis of Tourette Syndrome (TS)

2. Have at least moderate tic severity

3. Have TS symptoms that impair school, occupational, and/or social function

4. If using maintenance medication(s) for TS or TS spectrum diagnoses (e.g.
obsessive-compulsive disorder [OCD], Attention-Deficit Hyperactivity Disorder [ADHD]),
be on stable doses

5. Be in good general health

6. Adolescent subjects (12 to 17 years of age) must have a negative urine drug screen for
amphetamines, barbiturates, benzodiazepine, phencyclidine, cocaine, opiates, or
cannabinoids and a negative alcohol screen

7. Subjects of childbearing potential who do not practice total abstinence must agree to
use hormonal or two forms of nonhormonal contraception (dual contraception)
consistently during the screening, treatment and follow-up periods of the study

Exclusion Criteria:

1. Have an active, clinically significant unstable medical condition within 1 month prior
to screening

2. Have a known history of long QT syndrome or cardiac arrhythmia

3. Have a known history of neuroleptic malignant syndrome

4. Have a cancer diagnosis within 3 years prior to screening (some exceptions allowed)

5. Have an allergy, hypersensitivity, or intolerance to VMAT2 inhibitors

6. Have a blood loss ≥250 mL or donated blood within 30 days prior to screening

7. Have a known history of substance dependence, substance (drug) or alcohol abuse

8. Have a significant risk of suicidal or violent behavior

9. Have initiated Comprehensive Behavioral Intervention for Tics (CBIT) during the
screening period or at baseline or plan to initiate CBIT during the study

10. Have received an investigational drug within 30 days before screening or plan to use
an investigational drug (other than NBI-98854) during the study

11. Have previously participated in an NBI-98854 clinical study, except for NBI-98854-1403
or NBI-98854-1501.

12. Have HIV, hepatitis B, or hepatitis C
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