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Phase 3 N=507 Randomized Quadruple-blind Treatment

Melatonin Agonist Effects of Tasimelteon Versus Placebo in Patients With Major Depressive Disorder

Major Depressive Disorder

Enrolled (actual)
507
Serious AEs
1.3%
Results posted
Jun 2015
Primary outcome: Primary: Change From Baseline to Endpoint at Week 8 Using the Total Score of the Hamilton Depression Rating Scale (HAM-D) — -8.19; -7.83; -13.6 units on a scale

Study Design & Population

Study type
Interventional
Phase
Phase 3
Interventions
tasimelteon (Drug); placebo (Drug)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
Vanda Pharmaceuticals
Primary completion
Jan 2013

Outcome Measures

OutcomeResultp-value
PRIMARY
Change From Baseline to Endpoint at Week 8 Using the Total Score of the Hamilton Depression Rating Scale (HAM-D)
-8.19; -7.83; -13.6

Summary

The purpose of this study is to evaluate the safety and efficacy of an 8-week double-masked treatment of tasimelteon or placebo in male and female subjects with Major Depressive Disorder.

Eligibility Criteria

Inclusion Criteria

  • Subjects with diagnosis of MDD, single or recurrent episode, according to DSM-IV TR criteria;
  • Current episode ≥4 weeks and ≤1 year;
  • CGI-Severity score ≥4 at screening and baseline.

Exclusion Criteria

  • Lifetime history of bipolar disorder (I or II), schizophrenia, schizoaffective disorder, eating disorder, or obsessive-compulsive disorder;
  • Any other current Axis I (except general anxiety disorder as long as it is not considered the primary disorder) or Axis II disorder;
  • A positive test for drugs of abuse at the screening visit and/or history of drug or alcohol abuse/dependence as defined in DSM-IV TR, Diagnostic Criteria for Drug and Alcohol Abuse and Dependence, within the past 12 months;
  • Formal psychotherapy within 3 months of the screening visit. General supportive psychotherapy is acceptable;
  • Participation in a previous tasimelteon trial. Other protocol-defined inclusion/exclusion criteria may apply
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT01428661). 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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