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Trial record 1 of 1 for:    alkermes a303
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A Study of ALKS 3831 in Adults With Schizophrenia (The ENLIGHTEN-2 Study)

This study is currently recruiting participants.
See Contacts and Locations
Verified May 2017 by Alkermes, Inc.
Information provided by (Responsible Party):
Alkermes, Inc. Identifier:
First received: February 24, 2016
Last updated: May 4, 2017
Last verified: May 2017
This study will evaluate weight gain of ALKS 3831 compared to olanzapine in adult subjects with schizophrenia.

Condition Intervention Phase
Schizophrenia Drug: ALKS 3831 Drug: Olanzapine Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Participant, Care Provider, Investigator, Outcomes Assessor
Primary Purpose: Treatment
Official Title: A Phase 3 Study to Evaluate Weight Gain of ALKS 3831 Compared to Olanzapine in Adults With Schizophrenia

Resource links provided by NLM:

Further study details as provided by Alkermes, Inc.:

Primary Outcome Measures:
  • Percent change from baseline in body weight [ Time Frame: 24 weeks ]
  • Proportion of subjects with >/= 10% weight gain [ Time Frame: 24 weeks ]

Secondary Outcome Measures:
  • Proportion of subjects with >/= 7% weight gain [ Time Frame: 24 weeks ]
  • Incidence of Adverse Events (AEs) [ Time Frame: 24 weeks ]

Estimated Enrollment: 540
Study Start Date: February 2016
Estimated Study Completion Date: March 2018
Estimated Primary Completion Date: February 2018 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: ALKS 3831
Administered as a coated bilayer tablet
Drug: ALKS 3831
Daily dosing
Active Comparator: Olanzapine
Administered as a coated bilayer tablet
Drug: Olanzapine
Daily dosing


Ages Eligible for Study:   18 Years to 55 Years   (Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Subject has a body mass index (BMI) of 18.0-30.0 kg/m^2, inclusive, at Visit 1 and Visit 2
  • Subject meets the DSM-5 criteria for a primary diagnosis of schizophrenia
  • Subject is appropriate for outpatient treatment; has no hospitalizations for acute exacerbations of schizophrenia within 6 months before Visit 1
  • Subject has maintained a stable body weight (change </= 5%) for at least 3 months prior to Visit 1 based on self-report
  • Additional criteria may apply

Exclusion Criteria:

  • Subject has any of the following psychiatric conditions per DSM-5 criteria:
  • Diagnosis of schizoaffective disorder or bipolar I or II disorder, or current, untreated or unstable major depressive disorder
  • Clinically significant cognitive difficulties present within the past 2 years that could interfere with participation in the study
  • Drug-induced or toxic psychosis
  • Any other psychiatric condition that could interfere with participation in the study
  • Subject poses a current suicide risk at Visit 1 or Visit 2 in the opinion of the investigator
  • Subject has inflammatory bowel disease or any other gastrointestinal disorder associated with weight loss, anorexia nervosa, or binge eating disorder
  • Additional criteria may apply
  Contacts and Locations
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, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT02694328

Contact: Premier Research 866-921-3155

  Show 64 Study Locations
Sponsors and Collaborators
Alkermes, Inc.
Study Director: David McDonnell, MD Alkermes, Inc.
  More Information

Responsible Party: Alkermes, Inc. Identifier: NCT02694328     History of Changes
Other Study ID Numbers: ALK3831-A303
Study First Received: February 24, 2016
Last Updated: May 4, 2017
Individual Participant Data  
Plan to Share IPD: No

Keywords provided by Alkermes, Inc.:
ALKS 3831

Additional relevant MeSH terms:
Schizophrenia Spectrum and Other Psychotic Disorders
Mental Disorders
Autonomic Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Gastrointestinal Agents
Antipsychotic Agents
Tranquilizing Agents
Central Nervous System Depressants
Psychotropic Drugs
Serotonin Uptake Inhibitors
Neurotransmitter Uptake Inhibitors
Membrane Transport Modulators
Molecular Mechanisms of Pharmacological Action
Neurotransmitter Agents
Serotonin Agents processed this record on June 22, 2017