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RecruitingNCT07424404

Safety study of KarXT in schizophrenia

The registry lists this study as recruiting. Study locations are listed in the United States, in Australia, in France, ... Confirm recruitment at each site. It is testing KarXT for schizophrenia.

Schizophrenia, Autism-Related IrritabilityDrugFrom 5 Years to 17 Years
In plain English

Key information made simple

What is this study testing?

This study is testing whether KarXT may be useful for adolescents experiencing schizophrenia.

What would participation involve?

Participants may receive KarXT, attend study visits with the research team. The registry lists locations in Australia, in Canada, and in France.

Who is it mainly for?

This study appears to be mainly for adolescents with schizophrenia. Because it involves minors, a parent or guardian may need to be involved.

What should you check before joining?

Ask about the dose, safety monitoring, and possible side effects, whether there is a comparison group, how many visits or travel steps are needed, what role parents or guardians have in the process.

Your next step

Check the study details

Check the official source, then confirm these points with the research team.

View official study record (opens in a new tab)
  • Recruitment and eligibility

    Is a site open, and who can take part?

  • Visits and time

    Where are visits, can any be remote, and how much time is needed?

  • Costs and support

    What costs, reimbursement or compensation apply?

Before joining

Questions to ask before joining

Study clarity

Things to check before joining

Study start dateStarted: April 7, 2026
Recruitment status
Recruiting
Enrollment listed in the registry
400
Sponsor
Karuna Therapeutics, Inc., a Bristol Myers Squibb company
Sponsor type
Biotech company
Study type
Drug
Intervention type
Medication / drug
Study phase
Phase 3Usually a larger study designed to confirm effectiveness and safety in a broader group.
Locations
United States, Australia, France, ...
Age range
From 5 Years to 17 Years
Official registry ID
NCT07424404
Official title
A Phase 3 Multicenter, Open-label Study to Assess the Long-term Safety and Tolerability of KarXT in Adolescents (13 to 17 Years of Age) With Schizophrenia and KarXT+KarX-EC in Children and Adolescents (5 to 17 Years of Age) With Irritability Associated With Autism Spectrum Disorder

Check recruitment and locations

Recruitment checked against the registry by HopeStage on . Registry information can change. Always confirm availability with the research team.

View official study record (opens in a new tab)

The overall study status can differ from each site's status. Open a country to see its locations and their registry status.

Australia · 4 sites
  • Local Institution - 0107
    Westmead, New South Wales
    Site status: Not Yet Recruiting
  • Local Institution - 0106
    Brisbane, Queensland
    Site status: Not Yet Recruiting
  • Local Institution - 0108
    Melbourne, Victoria
    Site status: Not Yet Recruiting
  • Local Institution - 0109
    Melbourne, Victoria
    Site status: Not Yet Recruiting
Canada · 5 sites
  • Local Institution - 0138
    Calgary, Alberta
    Site status: Not Yet Recruiting
  • Local Institution - 0111
    Edmonton, Alberta
    Site status: Not Yet Recruiting
  • Local Institution - 0110
    Kingston, Ontario
    Site status: Not Yet Recruiting
  • Local Institution - 0113
    Toronto, Ontario
    Site status: Not Yet Recruiting
  • Local Institution - 0112
    Montreal, Quebec
    Site status: Not Yet Recruiting
France · 3 sites
  • Local Institution - 0118
    Bordeaux
    Site status: Not Yet Recruiting
  • Local Institution - 0120
    Bron
    Site status: Not Yet Recruiting
  • Local Institution - 0119
    Paris
    Site status: Not Yet Recruiting
Hungary · 3 sites
  • Local Institution - 0129
    Budapest
    Site status: Not Yet Recruiting
  • Local Institution - 0130
    Gyula
    Site status: Not Yet Recruiting
  • Local Institution - 0131
    Szeged
    Site status: Not Yet Recruiting
Japan · 7 sites
  • Local Institution - 0075
    Chikugo, Fukuoka
    Site status: Not Yet Recruiting
  • Goryokai Medical Corporation - Goryokai Hospital
    Sapporo, Hokkaido
    Site status: Recruiting
  • Local Institution - 0025
    Zentsujichó, Kagawa-ken
    Site status: Not Yet Recruiting
  • Local Institution - 0062
    Miyakonojō, Miyazaki
    Site status: Not Yet Recruiting
  • Local Institution - 0086
    Bunkyo-ku, Tokyo
    Site status: Not Yet Recruiting
  • Local Institution - 0056
    Ōta-ku, Tokyo
    Site status: Not Yet Recruiting
  • Local Institution - 0063
    Yokohama, Kanagawa
    Site status: Not Yet Recruiting
Poland · 8 sites
  • Local Institution - 0128
    Poznan, Greater Poland Voivodeship
    Site status: Not Yet Recruiting
  • Local Institution - 0125
    Wroclaw, Lower Silesian Voivodeship
    Site status: Not Yet Recruiting
  • Local Institution - 0127
    Warsaw, Masovian Voivodeship
    Site status: Withdrawn
  • Local Institution - 0126
    Gdansk, Pomeranian Voivodeship
    Site status: Not Yet Recruiting
  • Local Institution - 0123
    Szczecin, West Pomeranian Voivodeship
    Site status: Not Yet Recruiting
  • Local Institution - 0121
    Gdansk
    Site status: Not Yet Recruiting
  • Local Institution - 0124
    Katowice
    Site status: Withdrawn
  • Local Institution - 0122
    Lublin
    Site status: Withdrawn
Romania · 6 sites
  • Local Institution - 0029
    Bucharest, Bucharest
    Site status: Not Yet Recruiting
  • Local Institution - 0040
    Bucharest
    Site status: Not Yet Recruiting
  • Cabinet Medical Individual Dr Gheorghita Karina Lidia
    Bucharest
    Site status: Recruiting
  • Cluj Napoca Emergency Hospital for Children, Department of Pediatric Psychiatry
    Cluj-Napoca
    Site status: Recruiting
  • Local Institution - 0008
    Iași
    Site status: Not Yet Recruiting
  • Emergency Clinical Hospital For Children Louis Turcanu Timis
    Timișoara
    Site status: Recruiting
Spain · 4 sites
  • Local Institution - 0101
    Barcelona
    Site status: Not Yet Recruiting
  • Local Institution - 0099
    Barcelona
    Site status: Not Yet Recruiting
  • Local Institution - 0098
    Madrid
    Site status: Not Yet Recruiting
  • Local Institution - 0100
    Madrid
    Site status: Not Yet Recruiting
United States · 51 sites
  • Local Institution - 0054
    Dothan, Alabama
    Site status: Not Yet Recruiting
  • Local Institution - 0163
    Phoenix, Arizona
    Site status: Not Yet Recruiting
  • Advanced Research Center Inc.
    Anaheim, California
    Site status: Recruiting
  • Local Institution - 0159
    Anaheim, California
    Site status: Not Yet Recruiting
  • Inland Psychiatric Medical Group.
    Chino, California
    Site status: Recruiting
  • Proscience Research Group
    Culver City, California
    Site status: Recruiting
  • Local Institution - 0162
    Glendale, California
    Site status: Not Yet Recruiting
  • Local Institution - 0153
    Los Angeles, California
    Site status: Not Yet Recruiting
  • Local Institution - 0158
    Orange, California
    Site status: Not Yet Recruiting
  • Local Institution - 0174
    San Diego, California
    Site status: Not Yet Recruiting
  • Local Institution - 0089
    San Francisco, California
    Site status: Not Yet Recruiting
  • Local Institution - 0157
    San Rafael, California
    Site status: Not Yet Recruiting
  • Local Institution - 0161
    Colorado Springs, Colorado
    Site status: Not Yet Recruiting
  • Local Institution - 0154
    New Haven, Connecticut
    Site status: Not Yet Recruiting
  • Local Institution - 0145
    Boca Raton, Florida
    Site status: Not Yet Recruiting
  • Local Institution - 0160
    Gainesville, Florida
    Site status: Not Yet Recruiting
  • Local Institution - 0164
    Gainesville, Florida
    Site status: Not Yet Recruiting
  • Local Institution - 0168
    Hollywood, Florida
    Site status: Not Yet Recruiting
  • Apg Research, Llc
    Orlando, Florida
    Site status: Recruiting
  • Atlanta Center for Medical Research
    Atlanta, Georgia
    Site status: Recruiting
  • Salveo Integrative Health - Lawrenceville
    Lawrenceville, Georgia
    Site status: Recruiting
  • Denali Health Atlanta, LLC
    Stone Mountain, Georgia
    Site status: Recruiting
  • Local Institution - 0175
    Chicago, Illinois
    Site status: Not Yet Recruiting
  • EmVenio Research Center - Prime Healthcare
    Chicago, Illinois
    Site status: Recruiting
  • Boston Children's Hospital
    Boston, Massachusetts
    Site status: Recruiting
  • Local Institution - 0132
    Lexington, Massachusetts
    Site status: Not Yet Recruiting
  • Local Institution - 0059
    Worcester, Massachusetts
    Site status: Not Yet Recruiting
  • Local Institution - 0152
    Bloomfield Hills, Michigan
    Site status: Not Yet Recruiting
  • Local Institution - 0142
    Columbia, Missouri
    Site status: Not Yet Recruiting
  • Local Institution - 0147
    Lincoln, Nebraska
    Site status: Not Yet Recruiting
  • Local Institution - 0144
    Las Vegas, Nevada
    Site status: Not Yet Recruiting
  • Local Institution - 0146
    Neptune City, New Jersey
    Site status: Not Yet Recruiting
  • Local Institution - 0061
    Great Neck, New York
    Site status: Not Yet Recruiting
  • Local Institution - 0156
    Staten Island, New York
    Site status: Not Yet Recruiting
  • Local Institution - 0151
    The Bronx, New York
    Site status: Not Yet Recruiting
  • University of Cincinnati Cancer Institute
    Cincinnati, Ohio
    Site status: Recruiting
  • Local Institution - 0148
    Cincinnati, Ohio
    Site status: Not Yet Recruiting
  • Local Institution - 0139
    West Chester, Ohio
    Site status: Withdrawn
  • Local Institution - 0143
    Danville, Pennsylvania
    Site status: Not Yet Recruiting
  • Local Institution - 0150
    Pittsburgh, Pennsylvania
    Site status: Not Yet Recruiting
  • Local Institution - 0137
    Nashville, Tennessee
    Site status: Not Yet Recruiting
  • Local Institution - 0149
    Dallas, Texas
    Site status: Not Yet Recruiting
  • VAST Clinical Research
    Garland, Texas
    Site status: Recruiting
  • Local Institution - 0169
    Houston, Texas
    Site status: Not Yet Recruiting
  • Local Institution - 0165
    Plano, Texas
    Site status: Withdrawn
  • Local Institution - 0176
    Plano, Texas
    Site status: Not Yet Recruiting
  • Local Institution - 0066
    Spring, Texas
    Site status: Not Yet Recruiting
  • Local Institution - 0141
    Orem, Utah
    Site status: Not Yet Recruiting
  • Local Institution - 0167
    West Point, Utah
    Site status: Not Yet Recruiting
  • Local Institution - 0050
    Richmond, Virginia
    Site status: Not Yet Recruiting
  • Local Institution - 0155
    Everett, Washington
    Site status: Not Yet Recruiting

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In practice

For you

Participation may contribute to research. Personal benefit is not guaranteed.

Ask the research team to explain the activities, time commitment, and follow-up involved.

Study sites are listed. Confirm the relevant site and any travel before making plans.

Important

Not medical advice

Information from public sources. Are you the study sponsor? Contact us to update this page: hi@hopestage.com

FAQ

Questions about this study

What is this study trying to understand?

This study is exploring medication or study treatment for people with schizophrenia. Participants may complete study visits, assessments, or follow-up activities defined by the research team. Direct benefit is not guaranteed. The detailed objective is not always clearly listed in the public registry; the study team can confirm.

Does this study involve a medication?

This appears to be a medication / drug study involving KarXT. Phase 3 studies are usually larger and aim to confirm effectiveness and safety in a broader group.

Who might this study be for?

This study may concern people with schizophrenia; age range: From 5 Years to 17 Years. The criteria appear fairly broad, but you should not assume you are eligible. The study team must confirm diagnosis, age, exclusions, available locations, and next steps.

What would I likely need to do?

You may need to take a study treatment and have regular medical follow-up. The listed study locations suggest that at least part of participation may involve a physical site. Ask whether some steps can be done remotely.

What side effects, interactions, or treatment changes should I check?

If the study involves a medication, ask whether it is already approved, experimental, or being tested for a new use. Check possible side effects, interactions with current treatment, dose changes, monitoring, and what happens if you feel worse. For any mental health study, also ask who to contact if you feel worse, whether participation may affect current treatment, whether you can stop, and who confirms eligibility.

Will I need to travel or attend in-person visits?

The listed study locations suggest that at least part of participation may involve a physical site. Ask which sites are open, how many visits are expected, whether any steps can be done remotely, and whether travel costs or compensation are listed.

Who is behind this study?

This study is sponsored by Karuna Therapeutics, Inc., a Bristol Myers Squibb company, which appears to be a biotech company. If available, it can be useful to check the sponsor website, collaborators, investigator affiliation, and the official registry before deciding. HopeStage does not judge the quality of a sponsor or researcher, but helps you identify what to verify.

Can I still join this study?

The public registry lists this study as recruiting. Individual sites may have different statuses. The research team must confirm whether a site is open and whether you meet the criteria.

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