A Randomized, Double-Blind, Placebo-Controlled Study With an Open-Label, Long-Term Safety Phase to Evaluate the Efficacy and Safety of TV-44749 in Adults With Schizophrenia (SOLARIS)

A Multinational, Multicenter, Randomized, Double-Blind, Parallel-Group, Placebo-Controlled Study With an Open-Label, Long-Term Safety Phase to Evaluate the Efficacy, Safety, and Tolerability of Olanzapine for Extended-Release Injectable Suspension (TV-44749) for Subcutaneous Use as Treatment of Adult Patients With Schizophrenia

The primary objective of this study is to evaluate the efficacy of TV-44749 in adult patients with schizophrenia.

A key secondary objective is to further evaluate the efficacy of TV-44749 based on additional parameters in adult patients with schizophrenia.

A secondary objective is to evaluate the safety and tolerability of TV-44749 in adult patients with schizophrenia

Another secondary objective of this study is to evaluate the efficacy of TV-44749 from baseline to endpoint in Period 1 in adult patients with schizophrenia.

Total study duration is up to 61 weeks, and treatment duration is up to 56 weeks, with weekly visits during the first 8 weeks and then monthly in-clinic visits with weekly calls during the remainder of the treatment period.

Study Overview

Detailed Description

Patients with exacerbation of schizophrenia may be included. The study will be composed of 2 periods: Period 1 (the double-blind, placebo-controlled, efficacy and safety period) and Period 2 (open-label long term safety period). For each patient, the duration of Period 1 will be 8 weeks, and the duration of Period 2 will be up to 48 weeks. In Period 1, patients will be randomized to one of 3 TV-44749 treatment groups or a placebo group in a 1:1:1:1 ratio. All patients will be randomized again to one of the TV44749 treatment groups in a 1:1:1 ratio for Period 2. The end-of-treatment and follow-up visits will be at 4 and 8 weeks after the last dose of investigational medicinal product administration, respectively.

Study Type

Interventional

Enrollment (Anticipated)

640

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

  • Name: Teva U.S. Medical Information
  • Phone Number: 1-888-483-8279
  • Email: [email protected]

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 65 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • The participant has a current confirmed diagnosis of schizophrenia according to the DSM-5, for >1 year
  • The participant has exacerbation of schizophrenia that started ≤8 weeks prior to screening and would benefit from psychiatric hospitalization or continued hospitalization for symptoms of schizophrenia.
  • Participants who have received an antipsychotic treatment (other than clozapine) in the past year must have been responsive based on the investigator's judgment (and based on discussions with family members, caregivers, or healthcare professionals, as applicable).
  • Body mass index between 18.0 and 40.0 kg/m2, inclusive, at the time of screening
  • Women may be included only if they have a negative beta-human chorionic gonadotropin (β-HCG) test at screening and baseline
  • Women of childbearing potential must agree not to try to become pregnant, and, unless they have exclusively same-sex partners, must agree to use a highly effective method of contraception prior to the first administration of IMP, and agree to continue the use of this method for the duration of the study, and for 70 days after the last dose of IMP
  • The participant is in adequate health as determined by medical and psychiatric history, medical examination, electrocardiogram (ECG), serum chemistry, hematology, coagulation urinalysis, and serology.
  • NOTE- Additional criteria apply, please contact the investigator for more information

Exclusion Criteria:

  • The participant has a current clinically significant DSM-5 diagnosis other than schizophrenia (has a primary current diagnosis other than schizophrenia or a comorbid diagnosis that is primarily responsible for the current symptoms and functional impairment).
  • The participant has a known history of the following: (a) borderline personality disorder, antisocial personality disorder, or bipolar disorder; (b) traumatic brain injury causing ongoing cognitive difficulties, Alzheimer's disease, or another form of dementia, or any chronic organic disease of the central nervous system; and (c) intellectual disability of a severity that would impact ability to participate in the study.
  • The participant was hospitalized for >14 days (with the exception of social or administrative hospitalization) in the current exacerbation episode prior to screening.
  • The participant has a significant risk of violent behavior based on the participant's medical history or investigator's judgment.
  • The participant has a significant risk of committing suicide based on the participant's medical history or C-SSRS, and the investigator's judgment.
  • The participant is currently using an LAI antipsychotic or is still under the coverage period of the specific LAI at time of screening.
  • The participant has taken clozapine or has received electroconvulsive therapy within the last 12 months prior to screening.
  • The participant is currently receiving daily oral olanzapine at a dose >20 mg/day.
  • The participant has current or a history of known hypersensitivity to olanzapine or any of the excipients of TV-44749 or the oral formulation of olanzapine.
  • The participant has had a significant sedation or delirium after antipsychotic treatment according to medical and psychiatric history and as judged by the investigator or suffered from delirium due to a medical condition.
  • The participant has a non-fasting glucose level of ≥200 mg/dL at screening
  • The participant meets criteria for moderate to severe substance use disorder (based on DSM-5 criteria) within the past 6 months (excluding those related to caffeine or nicotine)
  • NOTE- Additional criteria apply, please contact the investigator for more information

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: Placebo
Matching Placebo
In Period 1, 2 monthly injections (Period 1 only)
Experimental: TV-44749 - Dose level 1
Low dose regimen
In Period 1, 2 monthly injections. In Period 2, up to 12 monthly injections
Experimental: TV-44749 - Dose level 2
Medium dose regimen
In Period 1, 2 monthly injections, In Period 2 up to 12 monthly injections
Experimental: TV-44749 - Dose level 3
High dose regimen
In Period 1, 2 monthly injections. In Period 2, up to 12 monthly injections

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change from baseline to week 8 in the Positive and Negative Syndrome Scale (PANSS) total score
Time Frame: Baseline, Week 8
Data gathered from this assessment procedure are applied to the PANSS ratings. Each of the 30 items is accompanied by a specific definition as well as detailed anchoring criteria for all seven rating points. These seven points represent increasing levels of psychopathology, as follows: 1- absent 2- minimal 3- mild 4- moderate 5- moderate severe 6- severe 7- extreme.
Baseline, Week 8

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change in Clinical Global Impression-Severity (CGI-S) scale score from baseline to week 8
Time Frame: Baseline, Week 8
The CGI-S rates this severity of a 1-7 scale, with (1) representing normal symptoms, meaning the patient is not ill. The highest on the scale, (7), represents patients among the most severely ill. Right in the middle at (4), a patient will be defined as moderately ill.
Baseline, Week 8
Change in Personal and Social Performance Scale (PSP) score from baseline to week 8
Time Frame: Baseline, Week 8
The PSP is a clinician-based rating instrument providing an overall rating of personal and social functioning in psychiatric patients on a scale of 0 (grossly impaired functioning) to 100 (excellent functioning).
Baseline, Week 8
Number of participants reporting at least one Adverse Event
Time Frame: Baseline to Week 8
Adverse events (including serious adverse events, extrapyramidal symptoms, injection pain and other injection site reactions), vital signs (blood pressure, pulse and orthostatic changes, and temperature), body weight, lab tests and ECGs.
Baseline to Week 8
Number of participants reporting at least one Adverse Event
Time Frame: Week 8 to Week 60
Adverse events (including serious adverse events, extrapyramidal symptoms, injection pain and other injection site reactions), vital signs (blood pressure, pulse and orthostatic changes, and temperature), body weight, lab tests and ECGs.
Week 8 to Week 60
Change in total PANSS score from baseline to weeks 1, 2, and 4
Time Frame: Baseline, Week 1, Week 2, Week 4
Baseline, Week 1, Week 2, Week 4
Change in Clinical Global Impression-Improvement (CGI-I) scale score from baseline to weeks 4 and 8
Time Frame: Baseline, Week 4, Week 8
CGI-I scores range from 1 to 7: 0=not assessed (missing), 1=very much improved, 2=much improved, 3=minimally improved, 4=no change, 5=minimally worse, 6=much worse, 7=very much worse.
Baseline, Week 4, Week 8
Change in CGI-S scale score from baseline to weeks 1, 2, and 4
Time Frame: Baseline, Week 1, Week 2, Week 4
Baseline, Week 1, Week 2, Week 4
Change in Patient Global Impression-Improvement (PGI-I) scale score from baseline to week 8
Time Frame: Baseline, Week 8
The PGI-I score ranges from 1 (Very much better) through to 7 (Very much worse). The lower the score, the better the improvement.
Baseline, Week 8
Change in PGI-I scale score from baseline to weeks 2 and 4
Time Frame: Baseline, Week 2, Week 4
Baseline, Week 2, Week 4
Change in Schizophrenia Quality of Life Scale (SQLS) score from baseline to weeks 4 and 8
Time Frame: Baseline, Week 4, Week 8
The SQLS questionnaire assesses schizophrenia quality of life. A higher score indicates worse quality of life.
Baseline, Week 4, Week 8
Change in PSP score from baseline to week 4
Time Frame: Baseline, Week 4
Baseline, Week 4
Number of participants reporting use of at least one Concomitant Medication
Time Frame: Baseline to Week 8
Baseline to Week 8
Number of participants reporting use of at least one Concomitant Medication
Time Frame: Week 8 to Week 60
Week 8 to Week 60
Number of participants that discontinued the trial
Time Frame: Baseline to Week 8
Baseline to Week 8
Number of participants that discontinued the trial
Time Frame: Week 8 to Week 60
Week 8 to Week 60
Number of participants who Discontinued the trial due to Adverse Events
Time Frame: Baseline to Week 8
Baseline to Week 8
Number of participants who Discontinued the trial due to Adverse Events
Time Frame: Week 8 to Week 60
Week 8 to Week 60
Change from Baseline in Abnormal Involuntary Movement Scale (AIMS) total score
Time Frame: Baseline to Week 8
Baseline to Week 8
Change from Baseline in total score in Abnormal Involuntary Movement Scale (AIMS)
Time Frame: Week 8 to Week 60
Week 8 to Week 60
Change from baseline in Simpson-Angus Scale (SAS) mean score
Time Frame: Baseline to Week 8
Baseline to Week 8
Change from baseline in Simpson-Angus Scale (SAS) mean score
Time Frame: Week 8 to Week 60
Week 8 to Week 60
Change from baseline in Barnes Akathisia Rating Scale (BARS) total score
Time Frame: Baseline to Week 8
Baseline to Week 8
Change from baseline in Barnes Akathisia Rating Scale (BARS) total score
Time Frame: Week 8 to Week 60
Week 8 to Week 60
Number of participants with any suicidal ideation or suicidal behavior according to the Columbia Suicide Severity Rating Scale (C-SSRS)
Time Frame: Baseline to Week 8
Baseline to Week 8
Number of participants with any suicidal ideation or suicidal behavior according to the Columbia Suicide Severity Rating Scale (C-SSRS)
Time Frame: Week 8 to Week 60
Week 8 to Week 60
Change from baseline in Calgary Depression Scale for Schizophrenia (CDSS)
Time Frame: Baseline to Week 8
Baseline to Week 8
Change from baseline in Calgary Depression Scale for Schizophrenia (CDSS)
Time Frame: Week 8 to Week 60
Week 8 to Week 60

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Study Director: Teva Medical Expert, MD, Teva Branded Pharmaceutical Products R&D, Inc.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Anticipated)

January 16, 2023

Primary Completion (Anticipated)

September 28, 2024

Study Completion (Anticipated)

August 30, 2025

Study Registration Dates

First Submitted

January 12, 2023

First Submitted That Met QC Criteria

January 12, 2023

First Posted (Actual)

January 23, 2023

Study Record Updates

Last Update Posted (Actual)

January 23, 2023

Last Update Submitted That Met QC Criteria

January 12, 2023

Last Verified

December 1, 2022

More Information

Terms related to this study

Other Study ID Numbers

  • TV44749-CNS-30096
  • 2022-001865-11 (EudraCT Number)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Yes

IPD Plan Description

Qualified researchers may request access to patient level data and related study documents including the study protocol and the statistical analysis plan. Requests will be reviewed for scientific merit, product approval status, and conflicts of interest. Patient level data will be de-identified and study documents will be redacted to protect the privacy of trial participants and to protect commercially confidential information. Please visit www.clinicalstudydatarequest.com to make your request.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact [email protected]. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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