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CompletedNCT01396421

OPC-34712 [Brexpiprazole] High Dose for schizophrenia

This study is completed in the United States, in Canada, in Japan, .... It is testing OPC-34712 [Brexpiprazole] High Dose for schizophrenia.

SchizophreniaDrugFrom 18 Years to 65 Years

The public registry lists this study as not currently recruiting. This page remains available for information. Check the official record for the latest status and explore other recruiting studies.

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In plain English

Key information made simple

What is this study testing?

This study is testing whether the Effectiveness of Three Different Doses of OPC-34712 may be useful for adults experiencing schizophrenia.

What would participation involve?

Participants may receive the Effectiveness of Three Different Doses of OPC-34712, attend study visits with the research team. The protocol may also involve randomization, placebo, or a comparison group. The registry lists locations in Canada, in Japan, and in Latvia.

Who is it mainly for?

This study appears to be mainly for adults with schizophrenia.

What should you check before joining?

Ask about the dose, safety monitoring, and possible side effects, whether there is placebo, randomization, or a comparison group, how many visits or travel steps are needed, the exact eligibility criteria.

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 dateJuly 2011
Recruitment status
Completed
Enrollment listed in the registry
636
Sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Sponsor type
Pharmaceutical 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, Canada, Japan, ...
Age range
From 18 Years to 65 Years
Official registry ID
NCT01396421
Official title
A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled Trial of Three Fixed Doses of OPC-34712 in the Treatment of Adults With Acute Schizophrenia

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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.

Canada · 3 sites
  • Burlington
    Burlington, Ontario
    Site status: Not listed — confirm with the team
  • Chatham
    Chatham, Ontario
    Site status: Not listed — confirm with the team
  • Chatham
    Chatham, Ontario
    Site status: Not listed — confirm with the team
Japan · 5 sites
  • Fujisawa-shi
    Fujisawa-shi, Kanagawa
    Site status: Not listed — confirm with the team
  • Kunigami-gun
    Kunigami-gun, Okinawa
    Site status: Not listed — confirm with the team
  • Sakai-shi
    Sakai-shi, Osaka
    Site status: Not listed — confirm with the team
  • Setagaya-ku
    Setagaya-ku, Tokyo-To
    Site status: Not listed — confirm with the team
  • Kumamoto
    Kumamoto
    Site status: Not listed — confirm with the team
Latvia · 5 sites
  • Daugavpils
    Daugavpils
    Site status: Not listed — confirm with the team
  • Jelgava
    Jelgava
    Site status: Not listed — confirm with the team
  • Liepāja
    Liepāja
    Site status: Not listed — confirm with the team
  • Riga
    Riga
    Site status: Not listed — confirm with the team
  • Strenči
    Strenči
    Site status: Not listed — confirm with the team
Poland · 4 sites
  • Choroszcz
    Choroszcz
    Site status: Not listed — confirm with the team
  • Gdansk
    Gdansk
    Site status: Not listed — confirm with the team
  • Gdansk
    Gdansk
    Site status: Not listed — confirm with the team
  • Lodz
    Lodz
    Site status: Not listed — confirm with the team
Romania · 8 sites
  • Arad
    Arad
    Site status: Not listed — confirm with the team
  • Bucharest
    Bucharest
    Site status: Not listed — confirm with the team
  • Bucharest
    Bucharest
    Site status: Not listed — confirm with the team
  • Bucharest
    Bucharest
    Site status: Not listed — confirm with the team
  • Cluj-Napoca
    Cluj-Napoca
    Site status: Not listed — confirm with the team
  • Focşani
    Focşani
    Site status: Not listed — confirm with the team
  • Piteşti
    Piteşti
    Site status: Not listed — confirm with the team
  • Targoviste
    Targoviste
    Site status: Not listed — confirm with the team
Serbia · 3 sites
  • Belgrade
    Belgrade
    Site status: Not listed — confirm with the team
  • Kragujevac
    Kragujevac
    Site status: Not listed — confirm with the team
  • Novi Sad
    Novi Sad
    Site status: Not listed — confirm with the team
South Korea · 5 sites
  • Incheon
    Incheon
    Site status: Not listed — confirm with the team
  • Incheon
    Incheon
    Site status: Not listed — confirm with the team
  • Seoul
    Seoul
    Site status: Not listed — confirm with the team
  • Seoul
    Seoul
    Site status: Not listed — confirm with the team
  • Seoul
    Seoul
    Site status: Not listed — confirm with the team
Ukraine · 10 sites
  • Chernihiv
    Chernihiv
    Site status: Not listed — confirm with the team
  • Dnipropetrovsk
    Dnipropetrovsk
    Site status: Not listed — confirm with the team
  • Dnipropetrovsk
    Dnipropetrovsk
    Site status: Not listed — confirm with the team
  • Hlevakha
    Hlevakha
    Site status: Not listed — confirm with the team
  • Kherson, Vil. Stepanivka
    Kherson, Vil. Stepanivka
    Site status: Not listed — confirm with the team
  • Kyiv
    Kyiv
    Site status: Not listed — confirm with the team
  • Kyiv
    Kyiv
    Site status: Not listed — confirm with the team
  • Lviv
    Lviv
    Site status: Not listed — confirm with the team
  • Simferopol
    Simferopol
    Site status: Not listed — confirm with the team
  • Vinnytsia
    Vinnytsia
    Site status: Not listed — confirm with the team
United States · 17 sites
  • Little Rock
    Little Rock, Arkansas
    Site status: Not listed — confirm with the team
  • Garden Grove
    Garden Grove, California
    Site status: Not listed — confirm with the team
  • Glendale
    Glendale, California
    Site status: Not listed — confirm with the team
  • Oakland
    Oakland, California
    Site status: Not listed — confirm with the team
  • Oceanside
    Oceanside, California
    Site status: Not listed — confirm with the team
  • San Diego
    San Diego, California
    Site status: Not listed — confirm with the team
  • San Diego
    San Diego, California
    Site status: Not listed — confirm with the team
  • Bradenton
    Bradenton, Florida
    Site status: Not listed — confirm with the team
  • Miami Springs
    Miami Springs, Florida
    Site status: Not listed — confirm with the team
  • Orlando
    Orlando, Florida
    Site status: Not listed — confirm with the team
  • Fresh Meadows
    Fresh Meadows, New York
    Site status: Not listed — confirm with the team
  • Jamaica
    Jamaica, New York
    Site status: Not listed — confirm with the team
  • Dayton
    Dayton, Ohio
    Site status: Not listed — confirm with the team
  • Charleston
    Charleston, South Carolina
    Site status: Not listed — confirm with the team
  • Charleston
    Charleston, South Carolina
    Site status: Not listed — confirm with the team
  • Austin
    Austin, Texas
    Site status: Not listed — confirm with the team
  • Kirkland
    Kirkland, Washington
    Site status: Not listed — confirm with the team
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 OPC-34712 [Brexpiprazole] High Dose, Experimental: OPC-34712 [Brexpiprazole] Middle Dose, Experimental: OPC-34712 [Brexpiprazole] Low Dose, Placebo. 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 18 Years to 65 Years. The criteria appear fairly specific, 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 Otsuka Pharmaceutical Development & Commercialization, Inc., which appears to be a pharmaceutical company. Sponsor website: https://www.otsuka.co.jp/en/. 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 not currently recruiting. This page remains available for information. Check the official record for the latest status and explore other recruiting studies.

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