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CompletedNCT04987658Updated Nov 22, 2023

Phase 1 Study of OLZ/SAM in Pediatric Subjects With Bipolar I Disorder

A Phase 1 interventional study of OLZ/SAM in Bipolar I Disorder, sponsored by Alkermes, Inc.. Completed at 2 sites in United States. Open to participants aged 10 Years to 12 Years. Per ClinicalTrials.gov, last updated 2023-11-22.

Sponsored by Alkermes, Inc. · Phase 1, Interventional, and Treatment

From the registry’s dates

  • Primary completion was Aug 2023, 3 years 1 month ago, and no results have been posted to the registry.
Phase
Phase 1
Study type
Interventional
Enrollment
7
Allocation
Non-randomized
Ages
10 Years to 12 Years
Sex
All
01

Study summary

To evaluate the safety, tolerability, and pharmacokinetics of olanzapine and samidorphan in clinically stable pediatric subjects (10 to 12 years old) with Bipolar I disorder following oral administration of multiple ascending doses of OLZ/SAM

02

Conditions studied

  • Bipolar I Disorder

Keywords

  • Bipolar I Disorder
  • Olanzapine
  • Samidorphan
  • OLZ/SAM
  • ALKS 3831
  • Pediatric pharmacokentics
  • LYBALVI
03

In context

Lead sponsor

Alkermes, Inc. is the lead sponsor of 82 studies on the registry; 8 are open to participants now.

Of its 9 completed or terminated interventional studies of FDA-regulated products, 5 (56%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
10 Years to 12 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Subject's parent(s)/legal guardian(s) is considered reliable by the Investigator and has agreed to provide support to the subject to ensure compliance with study treatment, visits, and protocol procedures.
  • Male and female subjects between 10 and 12 years of age, inclusive.
  • Subject weighs ≥70 pounds.
  • Subjects who are receiving antipsychotic treatment for their medical condition, with a diagnosis of bipolar I disorder.
  • Subjects must be considered stable, per investigator judgement.
  • Subject is willing to abide by the contraception requirements for the duration of the study.

Exclusion criteria

Exclusion Criteria:

  • Subject has a comorbid neuropsychiatric disorder that could interfere with participation in the study.
  • Subject poses a current suicide risk as assessed by the Investigator or as confirmed by the baseline Columbia-Suicide Severity Rating Scale by a response of "Yes" to question numbers 4 or 5 with ideation or suicidal behavior occurring in the past 12 months (assessed at Screening and at Visit 2, Day 1).
  • Subject has a diagnosis of diabetes or presents with pre-diabetes lab results (hemoglobin A1c ≥6%).
  • Subject has a history of use of clozapine or use of long-acting injectable antipsychotic medication within 3 months prior to Screening.
  • Subject has a DSM-5 (Diagnostic and Statistical Manual of Mental Disorders-5) diagnosis of moderate to severe alcohol disorder, or moderate to severe substance use disorder, within the 3 months prior to Screening.
  • Subject has taken opioid agonists within the 14 days prior to Screening, or has taken long-acting opioid agonist within the 30 days prior to Screening, or has anticipated a need to take opioid medication during the study period (eg, planned surgery, including oral surgery), or has taken opioid antagonists including naltrexone (any formulation) and naloxone within 60 days prior to Screening.
  • Subject is unable to swallow oral medications, as assessed by the Investigator.
  • Subject has a positive urine drug screen for opioids (assessed at Screening and at Visit 2, Day 1).
  • Subject has a positive cotinine test (assessed at Screening and at Visit 2, Day 1).
  • Subject has an intellectual disability, as assessed by the Investigator.
  • Subject has a history of intolerance or hypersensitivity to olanzapine or opioid antagonists, or any component of the study drug.
05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Non-randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
7 participants (actual)

Study arms

  • Experimental
    Group 1 Olanzapine/ 5 mg Samidorphan

    Olanzapine will be gradually increased to a target dose of 10mg/samidorphan 5mg (Range: 5-20mg Olanzapine/samidorphan 5mg)

    Drug: OLZ/SAM

  • Experimental
    Group 2 Olanzapine/ 10mg Samidorphan

    Olanzapine will be gradually increased to a target dose of 10mg/samidorphan 10mg (Range: 5-20mg Olanzapine/samidorphan 10mg)

    Drug: OLZ/SAM

Interventions

  • DrugOLZ/SAM

    Olanzapine and Samidorphan taken once daily over a max period of 21 days

    Also known as: ALKS 3831

06

What researchers measure

Primary outcomes

  1. Maximum plasma concentration observed

    Time frame: Up to 3 weeks

  2. Area under the plasma concentration-time curve over the 24-hour dosing interval

    Time frame: Up to 3 weeks

  3. Time to reach maximum concentration

    Time frame: Up to 3 weeks

  4. Incidence of Adverse Events

    Time frame: Up to 6 weeks

07

Study locations

2 sites
  • Alkermes Investigational Site
    Decatur, Georgia 30030, United States
  • Alkermes Clinical Investigative Site
    Cincinnati, Ohio 45219, United States
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 22, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04987658
Lead sponsor
Alkermes, Inc.
Responsible party
Sponsor
First posted
Aug 3, 2021
Start date
Jul 22, 2021
Primary completion
Aug 11, 2023
Completion
Aug 11, 2023
Last update
Nov 22, 2023

Study contacts

David McDonnell, MD
study director · Alkermes, Inc.

Oversight

Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Nov 2023. You cannot join it, but the record below documents what was studied.

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