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CompletedNCT00616798

Safety study of RO4917838 in Schizophrenia

This study is completed in the United States, in France, in Austria, .... It is testing RO4917838 for Schizophrenia.

SchizophreniaDrugFrom 18 Years to 60 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

This summary needs review. Please check the official study record and contact the research team for details.

Your next step

Check the study details

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  • 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

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Study start dateMarch 2008
Recruitment status
Completed
Enrollment listed in the registry
323
Sponsor
Hoffmann-La Roche
Sponsor type
Unknown or unclear
Study type
Drug
Intervention type
Medication / drug
Study phase
Phase 2Usually explores whether the intervention may work, while continuing to monitor safety.
Locations
United States, France, Austria, ...
Age range
From 18 Years to 60 Years
Official registry ID
NCT00616798
Official title
Randomized, Double-blind, Placebo-controlled add-on Trial of the Safety and Efficacy of RO4917838 in Outpatients on Select Atypical Antipsychotics With Prominent Negative or Disorganized Thought Symptoms

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.

Austria · 2 sites
  • Vienna
    Vienna
    Site status: Not listed — confirm with the team
  • Vienna
    Vienna
    Site status: Not listed — confirm with the team
Brazil · 6 sites
  • Curitiba
    Curitiba
    Site status: Not listed — confirm with the team
  • Pelotas
    Pelotas
    Site status: Not listed — confirm with the team
  • Rio de Janeiro
    Rio de Janeiro
    Site status: Not listed — confirm with the team
  • Salvador
    Salvador
    Site status: Not listed — confirm with the team
  • São Paulo
    São Paulo
    Site status: Not listed — confirm with the team
  • São Paulo
    São Paulo
    Site status: Not listed — confirm with the team
France · 3 sites
  • Marseille
    Marseille
    Site status: Not listed — confirm with the team
  • Orvault
    Orvault
    Site status: Not listed — confirm with the team
  • Toulon
    Toulon
    Site status: Not listed — confirm with the team
Germany · 6 sites
  • Achim
    Achim
    Site status: Not listed — confirm with the team
  • Bochum
    Bochum
    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
  • Nuremberg
    Nuremberg
    Site status: Not listed — confirm with the team
  • Westerstede
    Westerstede
    Site status: Not listed — confirm with the team
Hungary · 8 sites
  • Balassagyarmat
    Balassagyarmat
    Site status: Not listed — confirm with the team
  • Budapest
    Budapest
    Site status: Not listed — confirm with the team
  • Budapest
    Budapest
    Site status: Not listed — confirm with the team
  • Budapest
    Budapest
    Site status: Not listed — confirm with the team
  • Budapest
    Budapest
    Site status: Not listed — confirm with the team
  • GYR
    GYR
    Site status: Not listed — confirm with the team
  • Gyula
    Gyula
    Site status: Not listed — confirm with the team
  • Nyíregyháza
    Nyíregyháza
    Site status: Not listed — confirm with the team
Japan · 13 sites
  • Aichi
    Aichi
    Site status: Not listed — confirm with the team
  • Chiba
    Chiba
    Site status: Not listed — confirm with the team
  • Fukuoka
    Fukuoka
    Site status: Not listed — confirm with the team
  • Fukuoka
    Fukuoka
    Site status: Not listed — confirm with the team
  • Gunma
    Gunma
    Site status: Not listed — confirm with the team
  • Kanagawa
    Kanagawa
    Site status: Not listed — confirm with the team
  • Kanagawa
    Kanagawa
    Site status: Not listed — confirm with the team
  • Nagasaki
    Nagasaki
    Site status: Not listed — confirm with the team
  • Saga
    Saga
    Site status: Not listed — confirm with the team
  • Sapporo
    Sapporo
    Site status: Not listed — confirm with the team
  • Tokushima
    Tokushima
    Site status: Not listed — confirm with the team
  • Tokyo
    Tokyo
    Site status: Not listed — confirm with the team
  • Tokyo
    Tokyo
    Site status: Not listed — confirm with the team
Mexico · 5 sites
  • Mexico City
    Mexico City
    Site status: Not listed — confirm with the team
  • Mexico City
    Mexico City
    Site status: Not listed — confirm with the team
  • Mexico City
    Mexico City
    Site status: Not listed — confirm with the team
  • Mexico City
    Mexico City
    Site status: Not listed — confirm with the team
  • Monterrey
    Monterrey
    Site status: Not listed — confirm with the team
Poland · 6 sites
  • Bydgoszcz
    Bydgoszcz
    Site status: Not listed — confirm with the team
  • Kielce
    Kielce
    Site status: Not listed — confirm with the team
  • Skorzewo
    Skorzewo
    Site status: Not listed — confirm with the team
  • Torun
    Torun
    Site status: Not listed — confirm with the team
  • Tuszyn
    Tuszyn
    Site status: Not listed — confirm with the team
  • Żuromin
    Żuromin
    Site status: Not listed — confirm with the team
Russia · 10 sites
  • Kazan'
    Kazan'
    Site status: Not listed — confirm with the team
  • Lipetsk
    Lipetsk
    Site status: Not listed — confirm with the team
  • Moscow
    Moscow
    Site status: Not listed — confirm with the team
  • Moscow
    Moscow
    Site status: Not listed — confirm with the team
  • Moscow
    Moscow
    Site status: Not listed — confirm with the team
  • Nizhny Novgorod
    Nizhny Novgorod
    Site status: Not listed — confirm with the team
  • Saint Petersburg
    Saint Petersburg
    Site status: Not listed — confirm with the team
  • Saint Petersburg
    Saint Petersburg
    Site status: Not listed — confirm with the team
  • Saint Petersburg
    Saint Petersburg
    Site status: Not listed — confirm with the team
  • Saint Petersburg
    Saint Petersburg
    Site status: Not listed — confirm with the team
United States · 14 sites
  • Granada Hills
    Granada Hills, California
    Site status: Not listed — confirm with the team
  • Los Angeles
    Los Angeles, California
    Site status: Not listed — confirm with the team
  • Oceanside
    Oceanside, California
    Site status: Not listed — confirm with the team
  • Torrance
    Torrance, California
    Site status: Not listed — confirm with the team
  • Atlanta
    Atlanta, Georgia
    Site status: Not listed — confirm with the team
  • Hoffman Estates
    Hoffman Estates, Illinois
    Site status: Not listed — confirm with the team
  • Brooklyn
    Brooklyn, New York
    Site status: Not listed — confirm with the team
  • Cincinnati
    Cincinnati, Ohio
    Site status: Not listed — confirm with the team
  • Oklahoma City
    Oklahoma City, Oklahoma
    Site status: Not listed — confirm with the team
  • Philadelphia
    Philadelphia, Pennsylvania
    Site status: Not listed — confirm with the team
  • Austin
    Austin, Texas
    Site status: Not listed — confirm with the team
  • Austin
    Austin, Texas
    Site status: Not listed — confirm with the team
  • DeSoto
    DeSoto, Texas
    Site status: Not listed — confirm with the team
  • Irving
    Irving, Texas
    Site status: Not listed — confirm with the team

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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 RO4917838, Placebo, Standard antipsychotic therapy. Phase 2 studies usually explore whether the intervention may work, while continuing to monitor safety.

Who might this study be for?

This study may concern people with schizophrenia; age range: From 18 Years to 60 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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