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



Status:Completed
Conditions:Neurology
Therapuetic Areas:Neurology
Healthy:No
Age Range:18 - 64
Updated:2/23/2018
Start Date:October 2015
End Date:December 2016

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A Randomized, Double-Blind, Placebo-Controlled Study to Assess the Safety and Efficacy of NBI-98854 in Adult Subjects With Tourette Syndrome

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.


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. Have a negative urine drug screen for amphetamines, barbiturates, benzodiazepine,
phencyclidine, cocaine, or opiates, 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 tachy-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 known history of substance dependence, substance (drug) or alcohol abuse

7. Have a significant risk of suicidal or violent behavior

8. Are currently pregnant or breastfeeding

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 a blood loss ≥550 mL or donated blood within 30 days prior to screening
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