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NCT05693935CompletedPhase 3

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

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

Source: ClinicalTrials.gov · Last updated 17 Mar 2026

Brief summary (registry, in English)

The primary objective of this study is to evaluate the efficacy of TV-44749 in adult participants with schizophrenia. A key secondary objective is to further evaluate the efficacy of TV-44749 based on additional parameters in adult participants with schizophrenia. A secondary objective is to evaluate the safety and tolerability of TV-44749 in adult participants 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 participants 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.

Status (registry)
Completed
Phase (registry)
Phase 3
Study type
Interventional
Enrollment
675 (actual)
First submitted
12 Jan 2023
Start date
24 Jan 2023
Primary completion date
19 Mar 2024
Lead sponsor
Teva Branded Pharmaceutical Products R&D LLC
NCT number
NCT05693935
EudraCT number
2022-001865-11

What you commit to

  • Study type: Interventional · Phase 3
  • Participants enrolled: 675
  • From 24 Jan 2023 to the primary completion date, 19 Mar 2024
  • 82 sites in 5 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • 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 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.

Other illness

  • 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 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 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)

Lab values

  • The participant has a non-fasting glucose level of ≥200 mg/dL at screening

Other

  • 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.
  • NOTE- Additional criteria apply, please contact the investigator for more information

Who the study is looking for

  • 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

Age in the registry: 18 years to 64 years · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (82)

Sites in registry order. Save your city in your profile to sort them by distance.

SiteCityCountrySite status
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BurgasBulgariaUnknown status
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KazanlakBulgariaUnknown status
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LovechBulgariaUnknown status
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PlevenBulgariaUnknown status
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PlovdivBulgariaUnknown status
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RazgradBulgariaUnknown status
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RousseBulgariaUnknown status
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SlivenBulgariaUnknown status
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SofiaBulgariaUnknown status
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SofiaBulgariaUnknown status
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Veliko TarnovoBulgariaUnknown status
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VratsaBulgariaUnknown status
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BeijingChinaUnknown status
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HangzhouChinaUnknown status
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HefeiChinaUnknown status
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Jining ShiChinaUnknown status
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NanchangChinaUnknown status
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ShanghaiChinaUnknown status
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TianjinChinaUnknown status
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WuhanChinaUnknown status
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XinxiangChinaUnknown status
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ZhumadianChinaUnknown status
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BucharestRomaniaUnknown status
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BucharestRomaniaUnknown status
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IașiRomaniaUnknown status
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IașiRomaniaUnknown status
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AnaheimUnited StatesUnknown status
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AtlantaUnited StatesUnknown status
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AustinUnited StatesUnknown status
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BellflowerUnited StatesUnknown status
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BentonvilleUnited StatesUnknown status
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CharlotteUnited StatesUnknown status
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ChicagoUnited StatesUnknown status
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ChicagoUnited StatesUnknown status
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DaytonUnited StatesUnknown status
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DecaturUnited StatesUnknown status
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DeSotoUnited StatesUnknown status
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FlowoodUnited StatesUnknown status
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GaithersburgUnited StatesUnknown status
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Garden GroveUnited StatesUnknown status
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HialeahUnited StatesUnknown status
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HollywoodUnited StatesUnknown status
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HollywoodUnited StatesUnknown status
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HollywoodUnited StatesUnknown status
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HomesteadUnited StatesUnknown status
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IrvingUnited StatesUnknown status
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La HabraUnited StatesUnknown status
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Lemon GroveUnited StatesUnknown status
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Little RockUnited StatesUnknown status
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Long BeachUnited StatesUnknown status
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Los AngelesUnited StatesUnknown status
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Los AngelesUnited StatesUnknown status
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MarltonUnited StatesUnknown status
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MiamiUnited StatesUnknown status
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MiamiUnited StatesUnknown status
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MiamiUnited StatesUnknown status
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MiamiUnited StatesUnknown status
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MiamiUnited StatesUnknown status
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MiamiUnited StatesUnknown status
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MiamiUnited StatesUnknown status
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Miami LakesUnited StatesUnknown status
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Miami LakesUnited StatesUnknown status
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Miami LakesUnited StatesUnknown status
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Miami SpringsUnited StatesUnknown status
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North CantonUnited StatesUnknown status
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Oklahoma CityUnited StatesUnknown status
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OrangeUnited StatesUnknown status
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Peachtree CornersUnited StatesUnknown status
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Pico RiveraUnited StatesUnknown status
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RichardsonUnited StatesUnknown status
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RiversideUnited StatesUnknown status
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RogersUnited StatesUnknown status
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San DiegoUnited StatesUnknown status
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SanteeUnited StatesUnknown status
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Sherman OaksUnited StatesUnknown status
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ShreveportUnited StatesUnknown status
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St LouisUnited StatesUnknown status
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TorranceUnited StatesUnknown status
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West Palm BeachUnited StatesUnknown status
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AdapazarıTurkey (Türkiye)Unknown status
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AnkaraTurkey (Türkiye)Unknown status
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BursaTurkey (Türkiye)Unknown status

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This page is information, not medical advice. Discuss any trial with your doctor.