NCT03698331

Brief Summary

This is a Phase 4, randomized, double-blind, placebo-controlled study to evaluate the potential for clinical dependence and withdrawal symptoms associated with valbenazine.

Trial Health

90
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
89

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started Sep 2018

Shorter than P25 for phase_4

Geographic Reach
2 countries

17 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 14, 2018

Completed
20 days until next milestone

First Submitted

Initial submission to the registry

October 4, 2018

Completed
5 days until next milestone

First Posted

Study publicly available on registry

October 9, 2018

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 3, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

April 3, 2019

Completed
1.2 years until next milestone

Results Posted

Study results publicly available

June 4, 2020

Completed
Last Updated

June 4, 2020

Status Verified

May 1, 2020

Enrollment Period

7 months

First QC Date

October 4, 2018

Results QC Date

May 1, 2020

Last Update Submit

May 27, 2020

Conditions

Outcome Measures

Primary Outcomes (1)

  • Participants With Withdrawal-Emergent Adverse Events

    A withdrawal-emergent adverse event is an adverse event that begins during the Withdrawal Period.

    3 weeks

Secondary Outcomes (5)

  • Participants Who Experience Worsening of Symptoms as Measured by the Physician Withdrawal Checklist-20 (PWC-20)

    3 weeks

  • Absolute Worst Total Score as Measured by the Physician Withdrawal Checklist-20 (PWC-20)

    3 weeks

  • Severity of Withdrawal Symptoms as Measured by the Change From Withdrawal Baseline (Week 4) to Week 7 in the Modified Cocaine Selective Severity Assessment (mCSSA)

    7 weeks

  • Overall Improvement From Baseline of TD Symptoms as Measured by the Clinical Global Impression-Tardive Dyskinesia-Improvement (CGI-TD-I) Score

    Baseline, Week 4, Week 7

  • Change in Severity of TD Symptoms as Measured by Change From Baseline in the Clinical Global Impression-Tardive Dyskinesia-Severity (CGI-TD-S) Scale

    Baseline, Week 4, Week 7

Study Arms (2)

Valbenazine

EXPERIMENTAL

Valbenazine or placebo oral capsules administered once daily for 7 weeks.

Drug: ValbenazineDrug: Placebo oral capsule

Placebo

PLACEBO COMPARATOR

Placebo oral capsules administered once daily for 7 weeks.

Drug: Placebo oral capsule

Interventions

vesicular monoamine transporter 2 (VMAT2) inhibitor

Also known as: Ingrezza, NBI-98854
Valbenazine

non-active dosage form

PlaceboValbenazine

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • 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.
  • Have one of the following clinical diagnoses for at least 3 months before screening: Schizophrenia, Schizoaffective Disorder, or Mood Disorder
  • Have a clinical diagnosis of neuroleptic-induced TD for at least 3 months before screening.
  • Be on stable doses if using maintenance medication(s) for schizophrenia or schizoaffective disorder, or mood disorder. Subjects with bipolar disorder must be on stable doses of a mood stabilizer.
  • Be in general good health.
  • Have adequate hearing, vision, and language skills to perform the procedures specified in the protocol.

You may not qualify if:

  • Have an active, clinically significant unstable medical condition within 1 month before screening.
  • Have a known history of substance (drug) dependence, or substance or alcohol abuse.
  • Have a significant risk of suicidal or violent behavior.
  • Have a known history of neuroleptic malignant syndrome.
  • Have a known history of long QT syndrome or cardiac arrhythmia.
  • Have a cancer diagnosis within 3 years prior to screening (some exceptions allowed).
  • Have ever taken valbenazine (INGREZZA or NBI-98854) or participated in a valbenazine clinical study.
  • Have received an investigational drug within 30 days before screening or plan to use an investigational drug (other than NBI-98854) during the study.
  • Have a blood loss ≥550 mL or donated blood within 30 days prior to Baseline.
  • Have an allergy, hypersensitivity, or intolerance to VMAT2 inhibitors (eg, tetrabenazine, deutetrabenazine).
  • Are currently pregnant or breastfeeding.
  • Have HIV or hepatitis B.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (17)

Neurocrine Clinical Site

Anaheim, California, 92804, United States

Location

Neurocrine Clinical Site

Glendale, California, 91206, United States

Location

Neurocrine Clinical Site

Norwalk, California, 90650, United States

Location

Neurocrine Clinical Site

Oceanside, California, 92054, United States

Location

Neurocrine Clinical Site

San Bernardino, California, 92108, United States

Location

Neurocrine Clinical Site

Hialeah, Florida, 33012, United States

Location

Neurocrine Clinical Site

Hialeah, Florida, 33013, United States

Location

Neurocrine Clinical Site

Hialeah, Florida, 33018, United States

Location

Neurocrine Clinical Site

Honolulu, Hawaii, 96817, United States

Location

Neurocrine Clinical Site

Fort Wayne, Indiana, 46804, United States

Location

Neurocrine Clinical Site

Ann Arbor, Michigan, 48105, United States

Location

Neurocrine Clinical Site

Beechwood, Ohio, 44122, United States

Location

Neurocrine Clinical Site

Oklahoma City, Oklahoma, 73112, United States

Location

Neurocrine Clinical Site

Scranton, Pennsylvania, 18503, United States

Location

Neurocrine Clinical Site

DeSoto, Texas, 75115, United States

Location

Neurocrine Clinical Site

Irving, Texas, 75062, United States

Location

Neurocrine Clinical Site

San Juan, 00926, Puerto Rico

Location

MeSH Terms

Conditions

Tardive Dyskinesia

Interventions

valbenazine

Condition Hierarchy (Ancestors)

Dyskinesia, Drug-InducedDyskinesiasMovement DisordersCentral Nervous System DiseasesNervous System DiseasesNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Results Point of Contact

Title
Neurocrine Medical Information
Organization
Neurocrine Biosciences, Inc.

Study Officials

  • Chief Medical Officer

    Chief Medical Officer

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 4, 2018

First Posted

October 9, 2018

Study Start

September 14, 2018

Primary Completion

April 3, 2019

Study Completion

April 3, 2019

Last Updated

June 4, 2020

Results First Posted

June 4, 2020

Record last verified: 2020-05

Data Sharing

IPD Sharing
Will not share

Locations