Status:

WITHDRAWN

Valbenazine Treatment of Tardive Dyskinesia in Adults With Intellectual/Developmental Disabilities

Lead Sponsor:

Stephen Ruedrich

Collaborating Sponsors:

Neurocrine Biosciences

Conditions:

Tardive Dyskinesia

Intellectual Disability

Eligibility:

All Genders

18-70 years

Phase:

PHASE4

Brief Summary

The goal of this open-label clinical trial is to test the safety and efficacy of valbenazine treatment in patients with Intellectual/Developmental Disability (IDD) who have a diagnosis of Tardive dysk...

Detailed Description

Tardive dyskinesia (TD) is recognized as a common and often debilitating movement disorder, associated with treatment of a variety of illnesses with dopamine receptor-blocking medications (also common...

Eligibility Criteria

Inclusion

  • Diagnosis of IDD (IQ \< 70; social/adaptive dysfunction, onset \< age 22) as per DSM-5
  • Clinical diagnosis of Tardive Dyskinesia (TD) per DSM-5 for at least 3 months before study inclusion (presence of movement disorder for at least 3 months, in absence of previous formal diagnosis of TD).
  • Eligible to receive valbenazine according to current product labeling.
  • Stable doses of all psychotropic medications for minimum of three months before study inclusion.
  • Willing to remain on stable doses of all psychotropics for 24 weeks of study. If female of childbearing age, practicing acceptable form for birth control throughout study duration.
  • Subject able to comply with scheduled visits and assessments.
  • Consent of subject, or legally authorized representative to study protocol.

Exclusion

  • Previous treatment with a VMAT2 inhibitor (tetrabenazine, valbenazine, or deutetrabenazine).
  • Treatment with any investigational drug in the 30 days prior to study entry.
  • Currently taking a strong CYP3A4 inducer such as carbamazepine, phenobarbital, diphenylhydantoin, or primidone.
  • Any unstable medical condition in the 60 days prior to study entry.
  • Pregnant or breast-feeding.
  • Inability to take study medication.
  • History of neuroleptic malignant syndrome.
  • History of long QTc on electrocardiogram, bundle branch block (BBB), atrioventricular block, serious cardiac arrhythmia, or heart failure.
  • QTc on EKG \> 450 msec (Fredericia formula) on EKG within 3 months prior to study entry.
  • History of substance abuse or dependence in the 3 months prior to study entry.
  • Significant risk of suicide or dangerous aggression to others at time of or 3 months prior to study entry.

Key Trial Info

Start Date :

January 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 1 2027

Estimated Enrollment :

Patients enrolled

Trial Details

Trial ID

NCT06107829

Start Date

January 1 2025

End Date

February 1 2027

Last Update

October 24 2024

Active Locations (1)

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Page 1 of 1 (1 locations)

1

University Hospitals of Cleveland

Cleveland, Ohio, United States, 44106