Purpose

This is a multicenter, randomized, double-blind, placebo-controlled study to evaluate AVP-786 for the treatment of Intermittent Explosive Disorder (IED).

Condition

Eligibility

Eligible Ages
Between 18 Years and 65 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Diagnosis of current Intermittent Explosive Disorder (IED) according to the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5) criteria, as solicited by the Structured Clinical Interview for DSM-5, Clinical Trials Version - At least 3 IED days (at least 1 IED episode each day, as recorded by the participant) per week for the 2 consecutive weeks directly preceding baseline with 70% compliance during that time frame, as assessed by the investigator - Score ≥ 12 on the Life History of Aggression scale at screening - Score ≥ 6 on the Overt Aggression Scale - Modified Total Irritability at screening and baseline - Score ≥ 4 on the modified Clinical Global Impression of Severity for IED at screening and baseline

Exclusion Criteria

  • Diagnosis of major depressive disorder within 6 months of screening - Significant symptoms of a depressive disorder or a Patient Health Questionnaire-9 score ≥ 10 at screening - Met only the DSM-5 A2 criterion for IED - Lifetime history of schizophrenia, schizoaffective disorder, bipolar disorder, antisocial personality disorder, neurocognitive disorder, or mental retardation (DSM-5 criteria) - Recurrent IED episodes that are better explained by another mental disorder or attributable to another medical condition (e.g., head trauma, Alzheimer's disease) or to the physiological effect of a substance (e.g., a drug of abuse, a medication) (DSM-5 criteria)

Study Design

Phase
Phase 2
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Treatment
Masking
Triple (Participant, Investigator, Outcomes Assessor)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
AVP-786
Participants were to receive AVP-786-28 (deudextromethorphan hydrobromide [d6-DM] 28 milligrams [mg]/quinidine sulfate [Q] 4.9 mg) once daily (OD) for the first 7 days, followed by AVP-786-28 twice daily (BID) for the next 7 days. Beginning on Day 15, participants were to receive AVP-786-42.63 (d6-DM 42.63 mg/Q 4.9 mg) BID for 10 weeks.
  • Drug: AVP-786
    oral capsules
Placebo Comparator
Placebo
Participants were to receive placebo BID for 12 weeks.
  • Drug: Placebo
    oral capsules

More Details

Status
Terminated
Sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.

Study Contact

Detailed Description

Eligible participants for this study must have a diagnosis of current IED. This is a multicenter, randomized, double-blind, placebo-controlled study, consisting of up to 12 weeks of treatment.

Notice

Study information shown on this site is derived from ClinicalTrials.gov (a public registry operated by the National Institutes of Health). The listing of studies provided is not certain to be all studies for which you might be eligible. Furthermore, study eligibility requirements can be difficult to understand and may change over time, so it is wise to speak with your medical care provider and individual research study teams when making decisions related to participation.