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.
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
What are the exact eligibility criteria, and what could exclude someone?
How many visits, assessments, or follow-ups are expected, and over what period?
What risks, side effects, practical burdens, or alternatives should be understood first?
Who should be contacted to confirm locations, timing, compensation, and next steps?
Study clarity
Things to check before joining
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.
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
Ask HopeStage to help me review this study
This record does not confirm open recruitment. We can help you understand it and explore other studies.
Study ID: NCT00616798. 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 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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This EU register entry describes an interventional medicine trial, designed to assign participants a study treatment. The protocol sets out the treatment, eligibility criteria and assessments. Check the source details below for country statuses and any transfer to CTIS.
This EU register entry describes an interventional medicine trial, designed to assign participants a study treatment. The protocol sets out the treatment, eligibility criteria and assessments. Check the source details below for country statuses and any transfer to CTIS.