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CompletedNCT01235585

RO4917838 for schizophrenia

This study is completed in the United States, in Canada, in Brazil, .... It is testing RO4917838 for schizophrenia.

SchizophreniaDrugOver 18 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.

Then choose your country and confirm availability with each study site.

In plain English

Key information made simple

What is this study testing?

This study is testing whether RO4917838 may be useful for adults experiencing schizophrenia.

What would participation involve?

Participants may receive RO4917838, attend study visits with the research team. The protocol may also involve randomization, placebo, or a comparison group. The registry lists locations in Brazil, in Canada, and in Chile.

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 dateDecember 2010
Recruitment status
Completed
Enrollment listed in the registry
597
Sponsor
Hoffmann-La Roche
Sponsor type
Unknown or unclear
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, Brazil, ...
Age range
Over 18 Years
Official registry ID
NCT01235585
Official title
Phase III, Multi-center, Randomized, 12-week, Double-blind, Parallel-group, Placebo-controlled Study to Evaluate the Efficacy and Safety of RO4917838 in Patients With Sub-optimally Controlled Symptoms of Schizophrenia Treated With Antipsychotics Followed by a 40-week Double-blind, Parallel-group, Placebo-controlled Treatment Period.

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.

Brazil · 10 sites
  • Salvador
    Salvador, Estado de Bahia
    Site status: Not listed — confirm with the team
  • Goiânia
    Goiânia, Goiás
    Site status: Not listed — confirm with the team
  • Belo Horizonte
    Belo Horizonte, Minas Gerais
    Site status: Not listed — confirm with the team
  • Curitiba
    Curitiba, Paraná
    Site status: Not listed — confirm with the team
  • Rio de Janeiro
    Rio de Janeiro, Rio de Janeiro
    Site status: Not listed — confirm with the team
  • Pelotas
    Pelotas, Rio Grande do Sul
    Site status: Not listed — confirm with the team
  • Porto Alegre
    Porto Alegre, Rio Grande do Sul
    Site status: Not listed — confirm with the team
  • Itapira
    Itapira, São Paulo
    Site status: Not listed — confirm with the team
  • São Paulo
    São Paulo, São Paulo
    Site status: Not listed — confirm with the team
  • São Paulo
    São Paulo, São Paulo
    Site status: Not listed — confirm with the team
Canada · 9 sites
  • Calgary
    Calgary, Alberta
    Site status: Not listed — confirm with the team
  • Medicine Hat
    Medicine Hat, Alberta
    Site status: Not listed — confirm with the team
  • Vancouver
    Vancouver, British Columbia
    Site status: Not listed — confirm with the team
  • Halifax
    Halifax, Nova Scotia
    Site status: Not listed — confirm with the team
  • Burlington
    Burlington, Ontario
    Site status: Not listed — confirm with the team
  • Hamilton
    Hamilton, Ontario
    Site status: Not listed — confirm with the team
  • Mississauga
    Mississauga, Ontario
    Site status: Not listed — confirm with the team
  • Montreal
    Montreal, Quebec
    Site status: Not listed — confirm with the team
  • Montreal
    Montreal, Quebec
    Site status: Not listed — confirm with the team
Chile · 7 sites
  • Santiago
    Santiago
    Site status: Not listed — confirm with the team
  • Santiago
    Santiago
    Site status: Not listed — confirm with the team
  • Santiago
    Santiago
    Site status: Not listed — confirm with the team
  • Santiago
    Santiago
    Site status: Not listed — confirm with the team
  • Santiago
    Santiago
    Site status: Not listed — confirm with the team
  • Santiago
    Santiago
    Site status: Not listed — confirm with the team
  • Valdivia
    Valdivia
    Site status: Not listed — confirm with the team
Germany · 8 sites
  • Berlin
    Berlin
    Site status: Not listed — confirm with the team
  • Bochum
    Bochum
    Site status: Not listed — confirm with the team
  • Cologne
    Cologne
    Site status: Not listed — confirm with the team
  • Freiburg im Breisgau
    Freiburg im Breisgau
    Site status: Not listed — confirm with the team
  • Hamburg
    Hamburg
    Site status: Not listed — confirm with the team
  • München
    München
    Site status: Not listed — confirm with the team
  • München
    München
    Site status: Not listed — confirm with the team
  • Nuremberg
    Nuremberg
    Site status: Not listed — confirm with the team
Latvia · 3 sites
  • Daugovpils
    Daugovpils
    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
Lithuania · 7 sites
  • Kaunas
    Kaunas
    Site status: Not listed — confirm with the team
  • Kaunas
    Kaunas
    Site status: Not listed — confirm with the team
  • Kaunas
    Kaunas
    Site status: Not listed — confirm with the team
  • Kaunas
    Kaunas
    Site status: Not listed — confirm with the team
  • Šilutė
    Šilutė
    Site status: Not listed — confirm with the team
  • Vilnius
    Vilnius
    Site status: Not listed — confirm with the team
  • Vilnius
    Vilnius
    Site status: Not listed — confirm with the team
Netherlands · 3 sites
  • Assen
    Assen
    Site status: Not listed — confirm with the team
  • Groningen
    Groningen
    Site status: Not listed — confirm with the team
  • Groningen
    Groningen
    Site status: Not listed — confirm with the team
Poland · 9 sites
  • Choroszcz
    Choroszcz
    Site status: Not listed — confirm with the team
  • Kielce
    Kielce
    Site status: Not listed — confirm with the team
  • Lublin
    Lublin
    Site status: Not listed — confirm with the team
  • Lublin
    Lublin
    Site status: Not listed — confirm with the team
  • Lublin
    Lublin
    Site status: Not listed — confirm with the team
  • Piekary Śląskie
    Piekary Śląskie
    Site status: Not listed — confirm with the team
  • Skorzewo
    Skorzewo
    Site status: Not listed — confirm with the team
  • Tuszyn
    Tuszyn
    Site status: Not listed — confirm with the team
  • Warsaw
    Warsaw
    Site status: Not listed — confirm with the team
Slovakia · 6 sites
  • Bojnice
    Bojnice
    Site status: Not listed — confirm with the team
  • Bratislava
    Bratislava
    Site status: Not listed — confirm with the team
  • Bratislava
    Bratislava
    Site status: Not listed — confirm with the team
  • Rimavská Sobota
    Rimavská Sobota
    Site status: Not listed — confirm with the team
  • Svidník
    Svidník
    Site status: Not listed — confirm with the team
  • Trnava
    Trnava
    Site status: Not listed — confirm with the team
Spain · 8 sites
  • Barcelona
    Barcelona, Barcelona
    Site status: Not listed — confirm with the team
  • Barcelona
    Barcelona, Barcelona
    Site status: Not listed — confirm with the team
  • Barcelona
    Barcelona, Barcelona
    Site status: Not listed — confirm with the team
  • Madrid
    Madrid, Madrid
    Site status: Not listed — confirm with the team
  • Madrid
    Madrid, Madrid
    Site status: Not listed — confirm with the team
  • Oviedo
    Oviedo, Principality of Asturias
    Site status: Not listed — confirm with the team
  • Salamanca
    Salamanca, Salamanca
    Site status: Not listed — confirm with the team
  • Zamora
    Zamora, Zamora
    Site status: Not listed — confirm with the team
Taiwan · 7 sites
  • Hualian Town
    Hualian Town
    Site status: Not listed — confirm with the team
  • Kaohsiung City
    Kaohsiung City
    Site status: Not listed — confirm with the team
  • Taichung
    Taichung
    Site status: Not listed — confirm with the team
  • Tainan
    Tainan
    Site status: Not listed — confirm with the team
  • Tainan County
    Tainan County
    Site status: Not listed — confirm with the team
  • Taipei
    Taipei
    Site status: Not listed — confirm with the team
  • Taipei
    Taipei
    Site status: Not listed — confirm with the team
Türkiye · 9 sites
  • Ankara
    Ankara
    Site status: Not listed — confirm with the team
  • Diyarbakır
    Diyarbakır
    Site status: Not listed — confirm with the team
  • Gaziantep
    Gaziantep
    Site status: Not listed — confirm with the team
  • Istanbul
    Istanbul
    Site status: Not listed — confirm with the team
  • Istanbul
    Istanbul
    Site status: Not listed — confirm with the team
  • Istanbul
    Istanbul
    Site status: Not listed — confirm with the team
  • Kocaeli
    Kocaeli
    Site status: Not listed — confirm with the team
  • Manisa
    Manisa
    Site status: Not listed — confirm with the team
  • Mersin
    Mersin
    Site status: Not listed — confirm with the team
Ukraine · 9 sites
  • Dnipropetrovsk
    Dnipropetrovsk
    Site status: Not listed — confirm with the team
  • Donetsk
    Donetsk
    Site status: Not listed — confirm with the team
  • Glevakha Kyviv Region
    Glevakha Kyviv Region
    Site status: Not listed — confirm with the team
  • Kharkiv
    Kharkiv
    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
  • Odesa
    Odesa
    Site status: Not listed — confirm with the team
  • Vinnytsia
    Vinnytsia
    Site status: Not listed — confirm with the team
United States · 25 sites
  • Carson
    Carson, California
    Site status: Not listed — confirm with the team
  • Garden Grove
    Garden Grove, California
    Site status: Not listed — confirm with the team
  • Long Beach
    Long Beach, California
    Site status: Not listed — confirm with the team
  • Long Beach
    Long Beach, 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
  • Hartford
    Hartford, Connecticut
    Site status: Not listed — confirm with the team
  • Norwalk
    Norwalk, Connecticut
    Site status: Not listed — confirm with the team
  • North Miami
    North Miami, Florida
    Site status: Not listed — confirm with the team
  • Atlanta
    Atlanta, Georgia
    Site status: Not listed — confirm with the team
  • Chicago
    Chicago, Illinois
    Site status: Not listed — confirm with the team
  • Hoffman Estates
    Hoffman Estates, Illinois
    Site status: Not listed — confirm with the team
  • Joliet
    Joliet, Illinois
    Site status: Not listed — confirm with the team
  • Lake Charles
    Lake Charles, Louisiana
    Site status: Not listed — confirm with the team
  • St Louis
    St Louis, Missouri
    Site status: Not listed — confirm with the team
  • St Louis
    St Louis, Missouri
    Site status: Not listed — confirm with the team
  • Omahac
    Omahac, Nebraska
    Site status: Not listed — confirm with the team
  • Cedarhurst
    Cedarhurst, New York
    Site status: Not listed — confirm with the team
  • Jamaica
    Jamaica, New York
    Site status: Not listed — confirm with the team
  • Rochester
    Rochester, New York
    Site status: Not listed — confirm with the team
  • Allentown
    Allentown, Pennsylvania
    Site status: Not listed — confirm with the team
  • Norristown
    Norristown, Pennsylvania
    Site status: Not listed — confirm with the team
  • Philadelphia
    Philadelphia, Pennsylvania
    Site status: Not listed — confirm with the team
  • Bothell
    Bothell, Washington
    Site status: Not listed — confirm with the team

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Study ID: NCT01235585. We help you review the study, but cannot decide medical eligibility.
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 Placebo, bitopertin [RO4917838]. 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: Over 18 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 Hoffmann-La Roche, which appears to be unknown or unclear. 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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