Safety and Tolerability Study of NBI-98854 for the Treatment of Tardive Dyskinesia



Status:Completed
Conditions:Neurology
Therapuetic Areas:Neurology
Healthy:No
Age Range:18 - 85
Updated:12/2/2018
Start Date:March 2015
End Date:March 2017

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A Phase 3, Open-Label, Safety and Tolerability Study of NBI-98854 for the Treatment of Tardive Dyskinesia

Phase 3, open-label, study to evaluate the safety and tolerability of NBI-98854 administered
once daily (qd) for a total of 48 weeks of treatment. This study will enroll approximately
150 medically stable male and female subjects with clinical diagnoses of schizophrenia or
schizoaffective disorder with neuroleptic-induced TD or mood disorder with
neuroleptic-induced TD.


Inclusion Criteria:

1. Subjects of childbearing potential 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.

2. Female subjects must not be pregnant.

3. Have one of the following clinical diagnoses for at least 3 months prior to screening:
Schizophrenia or Schizoaffective Disorder, or Mood Disorder

4. Have a clinical diagnosis of neuroleptic-induced TD for at least 3 months prior to
screening.

5. Have moderate or severe TD

6. If using maintenance medication(s) for schizophrenia or schizoaffective disorder, or
mood disorder, be on stable doses.

7. Be in general good health.

8. Have adequate hearing, vision, and language skills to perform the procedures specified
in the protocol.

9. Have a negative urine drug screen for amphetamines, barbiturates, benzodiazepine,
phencyclidine, cocaine, opiates, or cannabinoids.

Exclusion Criteria

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

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

3. Have a significant risk of suicidal or violent behavior.

4. Have a known history of neuroleptic malignant syndrome.

5. Have a known history of long QT syndrome or cardiac tachy-arrhythmia.

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

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

8. Have a blood loss ≥550 mL or donated blood within 30 days prior to Baseline.

9. Have an allergy, hypersensitivity, or intolerance to tetrabenazine.

10. Are currently pregnant or breastfeeding.
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