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Safety, Tolerability and Activity of SRX246 in Adults With Intermittent Explosive Disorder (AVN009)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
ClinicalTrials.gov Identifier: NCT02055638
Recruitment Status : Completed
First Posted : February 5, 2014
Results First Posted : October 29, 2019
Last Update Posted : October 29, 2019
Information provided by (Responsible Party):
Azevan Pharmaceuticals

Brief Summary:

This study is designed to explore the safety and tolerability, and to compare the activity of SRX246 against placebo, in adults with Intermittent Explosive Disorder (IED).

Adult Male and Female subjects with a current diagnosis of IED will be enrolled. After a two-week baseline lead-in phase, study subjects who continue to meet enrollment criteria will be randomized to either SRX246 or Placebo treatment groups.

Study subjects will be examined and asked to answer questionnaires at weekly scheduled visits throughout the trial. The study results will be determined based on any changes observed over the study period.

Condition or disease Intervention/treatment Phase
Intermittent Explosive Disorder Drug: SRX246 Drug: Placebo Phase 1 Phase 2

Detailed Description:

This exploratory Phase II study has been designed to examine the safety and tolerability profile, and to compare the activity of the novel V1a vasopressin antagonist (SRX246) against placebo, in adults with DSM-5 Intermittent Explosive Disorder (IED).

Adult Male and Female subjects with a current DSM-5 diagnosis of IED will be enrolled. All subjects will undergo systematic diagnostic assessment for DSM-5 Axis I and II disorders. Subjects with DSM-5 IED (without current, co-morbid, DSM-5 Major Depression) whose: (a) Life History of Aggression (LHA) score is > 12, (b) Overt Aggression Scale Modified (OAS-M) "Irritability" score is > 6 and, (c) screening OAS-M "Aggression" score is > 15, will be entered into a two-week baseline lead-in phase.

After the lead-in phase, study subjects who continue to meet OAS-M criteria will be randomized to one of the two (2) treatment conditions and stratified by gender so that equal numbers of males and females are assigned to SRX246 and Placebo Groups. Those who do not meet the criteria will exit the protocol at that time. Treatment Conditions: (a) 8-week course of SRX246 (4 weeks at 120 mg bid, and 4 weeks at 160 mg bid) or (b) 8-week course of Placebo, followed by a one-week "taper" to withdraw subjects from study medication.

IED subjects in all conditions will have structured diagnostic interview sessions and questionnaires administered throughout the trial. Blinding to treatment condition will be maintained by using different personnel for these activities. Analysis of a change from baseline in the diagnostic measures will be performed.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 97 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Treatment
Official Title: An Exploratory Phase II Study to Determine the Safety, Tolerability and Activity of a Novel Vasopressin 1a Receptor Antagonist (SRX246) in Adults With Diagnostic and Statistical Manual Version 5 (DSM-5) Intermittent Explosive Disorder (IED)
Study Start Date : May 2014
Actual Primary Completion Date : May 2016
Actual Study Completion Date : May 2016

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Safety

Arm Intervention/treatment
Experimental: SRX246
SRX246 capsules, 120mg bid for 4 weeks followed by 160mg bid for 4 weeks
Drug: SRX246

Placebo Comparator: Placebo
Placebo capsules to match the amount of SRX246 capsules for 8 weeks
Drug: Placebo

Primary Outcome Measures :
  1. Safety and Tolerability, Measured as the Number of Participants With Adverse Events [ Time Frame: up to 8 weeks ]
    Number of participants with adverse events

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   21 Years to 55 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Male or Female (Women of child bearing potential must be non-pregnant, non-lactating and agree to be on an acceptable method of contraception.)
  • Age 21 to 55 years, inclusive.
  • In good general physical health as determined by medical history, a baseline physical examination, vital signs, clinical laboratory tests and electrocardiogram (EKG) measurement.
  • Current IED by DSM-5
  • LHA-Aggression ≥ 12.
  • OAS-M Irritability score ≥ 6, and OAS-M Total Aggression score ≥ 15, respectively at Visit 1
  • Mean Irritability and Total Aggression scores for Visit 2 and Visit 3, ≥ 6 and ≥ 15, respectively.
  • Subject is willing and able to sign written informed consent prior to receipt of any study medication or beginning study procedures.
  • Subject is willing and able to follow instructions, comply with the protocol requirements and make all required study visits.

Exclusion Criteria:

  • Subject with a positive test for alcohol and/or drugs of abuse at screening or at any time during the study.
  • Presence of any of the following serious and active medical conditions: Seizure Disorder (n.b.: history of < 2 febrile seizures prior to one year of age is acceptable); Demyelinating or Progressive Degenerative Disorders; central nervous system (CNS) Infection; Progressive Degenerative Neurological Disorder; Ischemic Heart Disease, Respiratory Disease, Renal Disease; Liver Disease; Type I Diabetes; Malignant Neoplasm; Hyper- or Hypo-Coagulopathy; Acquired Immuno-Deficiency Syndrome (AIDS).
  • Routine or as needed consumption of medications or herbal supplements that the subject is unable or unwilling to discontinue during the study.
  • Other ongoing psychotherapeutic treatment for the treatment of IED or anger begun less than three months before entry into this study.
  • Not Current DSM-5 IED.
  • LHA score < 12 at Visit 1 (screen).
  • OAS-M Irritability score < 6 or OAS-M Total Aggression score < 15 at Visit 1 (screen).
  • Current major depressive episode or life history of bipolar disorder, schizophrenia, organic mental syndrome, or mental retardation.
  • Current DSM-5 Substance Use Disorder of moderate or greater severity (i.e., ≥ 4 SUD symptoms).
  • Active suicidal ideation as determined by clinical assessment and Columbia-Suicide Severity Rating Scale (C-SSRS).
  • Evidence of any out-of range laboratory value at screening that has not been reviewed, approved and documented as not clinically significant by the Study Investigator.
  • A history of significant drug allergy or systemic allergic disease (e.g., urticaria, atopic dermatitis), or any known/suspected hypersensitivity to SRX246.
  • A general medical or psychological condition or behavior, including current substance dependence or abuse that, in the opinion of the investigator, might not permit the subject to complete the study or sign the informed consent.
  • Unwilling/unable to sign informed consent document.
  • Any clinically significant abnormality on screening resting 12-lead EKG (e.g., heart block, conduction disorders, ventricular and/or atrial arrhythmias).
  • Any other condition or clinically significant abnormal findings on the physical examination, medical history, or clinical laboratory results during screening that, in the opinion of the Study Investigator, would make the subject unsuitable for the study or put them at additional risk.
  • Inability to understand or follow study instructions.
  • Treatment with an investigational drug within 30 days preceding the first dose of study medication.
  • Women who are currently breastfeeding and/or lactating.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02055638

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United States, Georgia
Atlanta Center for Medical Research
Atlanta, Georgia, United States, 30331
United States, Illinois
University of Chicago, Department of Psychiatry
Chicago, Illinois, United States, 60637
United States, Missouri
Psychiatric Care and Research Center
O'Fallon, Missouri, United States, 63368
United States, New York
SPRI Clinical Trials, LLC
Brooklyn, New York, United States, 11235
Icahn School of Medicine at Mount Sinai
New York, New York, United States, 10029
United States, Ohio
Lindner Center of HOPE
Mason, Ohio, United States, 45040
United States, Rhode Island
Rhode Island Hospital, Department of Psychiatry
Providence, Rhode Island, United States, 02903
Sponsors and Collaborators
Azevan Pharmaceuticals
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Responsible Party: Azevan Pharmaceuticals
ClinicalTrials.gov Identifier: NCT02055638    
Other Study ID Numbers: AVN009
First Posted: February 5, 2014    Key Record Dates
Results First Posted: October 29, 2019
Last Update Posted: October 29, 2019
Last Verified: October 2019
Keywords provided by Azevan Pharmaceuticals:
Intermittent Explosive Disorder
Vasopressin 1a Receptor Antagonist
Additional relevant MeSH terms:
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Disruptive, Impulse Control, and Conduct Disorders
Pathologic Processes
Mental Disorders
Antidiuretic Hormone Receptor Antagonists
Molecular Mechanisms of Pharmacological Action
Natriuretic Agents
Physiological Effects of Drugs