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Phase 3 N=256 Randomized Quadruple-blind Treatment

Efficacy and Safety of MT-5199 in Subjects With Tardive Dyskinesia

Tardive Dyskinesia

Enrolled (actual)
256
Serious AEs
7.9%
Results posted
Aug 2023
Primary outcome: Primary: Change From Baseline in Abnormal Involuntary Movement Scale (AIMS) Total Score (Central Assessment) at Week 6 — -0.1; -2.3; -3.7 units on a scale — p=<0.001

Study Design & Population

Study type
Interventional
Phase
Phase 3
Interventions
MT-5199 (Drug); Placebo (Drug)
Age
Adult, Older Adult · 20+ yrs
Sex
All
Sponsor
Tanabe Pharma Corporation
Primary completion
Sep 2020

Outcome Measures

OutcomeResultp-value
PRIMARY
Change From Baseline in Abnormal Involuntary Movement Scale (AIMS) Total Score (Central Assessment) at Week 6
-0.1; -2.3; -3.7 <0.001 sig
SECONDARY
Percentage of Subjects With a ≥50% Improvement From Baseline in the AIMS Total Score (Central Assessment) at Week 6 (AIMS Responder)
10.3; 23.9; 47.2 0.027 sig
SECONDARY
Change From Baseline in Abnormal Involuntary Movement Scale (AIMS) Total Score (Site Assessment) at Week 6
-2.3; -3.8; -4.7 0.013 sig
SECONDARY
Clinical Global Impression of Change - TD (CGI-TD) Score at Week 6
3.4; 3.0; 2.8 0.021 sig

Summary

The purpose of this study is to evaluate the efficacy and safety of MT-5199 administered once daily for the treatment of Tardive Dyskinesia (TD) symptoms.

Eligibility Criteria

Inclusion Criteria

  • Have one of the following clinical diagnoses for at least 3 months prior to screening: Schizophrenia or Schizoaffective Disorder, Bipolar Disorder, or Depressive Disorders.
  • Have a clinical diagnosis of neuroleptic-induced TD.
  • Have moderate or severe TD.
  • If using maintenance medication(s) for schizophrenia or schizoaffective disorder, or bipolar disorder, or depressive disorders, be on stable doses.

Exclusion Criteria

  • Have an active, clinically significant unstable medical condition in screening period.
  • Have a significant risk of suicidal or violent behavior.
  • Have a known history of long QT syndrome or cardiac tachy-arrhythmia.
  • Are currently pregnant or breastfeeding.
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT03176771). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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