Prevention of Relapse Comparing Paliperidone Palmitate With Oral Risperidone for schizophrenia
This study was terminated in the United States, in Canada, in Brazil, .... It is testing prevention of Relapse Comparing Paliperidone Palmitate With Oral Risperidone for schizophrenia.
SchizophreniaDrugFrom 18 Years to 35 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 the Prevention of Relapse Comparing Paliperidone Palmitate With Oral Risperidone may be useful for adults experiencing schizophrenia.
What would participation involve?
Participants may receive the Prevention of Relapse Comparing Paliperidone Palmitate With Oral Risperidone, 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 Bulgaria, and in Canada.
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.
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 dateJune 2009
Recruitment status
Terminated
Enrollment listed in the registry
163
Sponsor
Ortho-McNeil Janssen Scientific Affairs, LLC
Sponsor type
Other organization
Study type
Drug
Intervention type
Medication / drug
Study phase
Phase 4Usually happens after approval, to monitor real-world use, safety, and longer-term outcomes.
Locations
United States, Canada, Brazil, ...
Age range
From 18 Years to 35 Years
Official registry ID
NCT00946985
Official title
A Prospective, Randomized, Active-controlled, Rater-blinded Study of the Prevention of Relapse Comparing Paliperidone Palmitate With Oral Risperidone in Adults With Recently-Diagnosed Schizophrenia Who Are at High Risk of Relapse
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.
Brazil · 3 sites
Curitiba
Curitiba
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
Bulgaria · 3 sites
Kazanlak
Kazanlak
Site status: Not listed — confirm with the team
Pleven
Pleven
Site status: Not listed — confirm with the team
Radnevo
Radnevo
Site status: Not listed — confirm with the team
Canada · 5 sites
Calgary
Calgary, Alberta
Site status: Not listed — confirm with the team
Halifax
Halifax, Nova Scotia
Site status: Not listed — confirm with the team
Greater Sudbury
Greater Sudbury, Ontario
Site status: Not listed — confirm with the team
Montreal
Montreal, Quebec
Site status: Not listed — confirm with the team
Québec
Québec, Quebec
Site status: Not listed — confirm with the team
China · 8 sites
Baoding
Baoding
Site status: Not listed — confirm with the team
Beijing
Beijing
Site status: Not listed — confirm with the team
Changsha
Changsha
Site status: Not listed — confirm with the team
Guangzhou
Guangzhou
Site status: Not listed — confirm with the team
Kunming
Kunming
Site status: Not listed — confirm with the team
Shanghai
Shanghai
Site status: Not listed — confirm with the team
Wuhan
Wuhan
Site status: Not listed — confirm with the team
Xi'an
Xi'an
Site status: Not listed — confirm with the team
Colombia · 1 site
Bogotá
Bogotá
Site status: Not listed — confirm with the team
Czechia · 4 sites
Kutná Hora
Kutná Hora
Site status: Not listed — confirm with the team
Olomouc
Olomouc
Site status: Not listed — confirm with the team
Prague
Prague
Site status: Not listed — confirm with the team
Strakonice
Strakonice
Site status: Not listed — confirm with the team
India · 9 sites
Ahmedabad
Ahmedabad
Site status: Not listed — confirm with the team
Aurangabad
Aurangabad
Site status: Not listed — confirm with the team
Calicut
Calicut
Site status: Not listed — confirm with the team
Hyderabad
Hyderabad
Site status: Not listed — confirm with the team
Jaipur
Jaipur
Site status: Not listed — confirm with the team
Lucknow Gpo
Lucknow Gpo
Site status: Not listed — confirm with the team
Mangalore
Mangalore
Site status: Not listed — confirm with the team
Pune
Pune
Site status: Not listed — confirm with the team
Varanasi
Varanasi
Site status: Not listed — confirm with the team
Malaysia · 2 sites
Johor Bahru
Johor Bahru
Site status: Not listed — confirm with the team
Kuala Lumpur
Kuala Lumpur
Site status: Not listed — confirm with the team
Russia · 5 sites
Moscow
Moscow
Site status: Not listed — confirm with the team
Nizny Novgorod
Nizny Novgorod
Site status: Not listed — confirm with the team
Saint Petersburg
Saint Petersburg
Site status: Not listed — confirm with the team
Samara
Samara
Site status: Not listed — confirm with the team
Yaroslavl
Yaroslavl
Site status: Not listed — confirm with the team
South Korea · 4 sites
Gwangju
Gwangju
Site status: Not listed — confirm with the team
Gyeonggi-do
Gyeonggi-do
Site status: Not listed — confirm with the team
Jeonju
Jeonju
Site status: Not listed — confirm with the team
Seoul
Seoul
Site status: Not listed — confirm with the team
Ukraine · 5 sites
Kharkiv
Kharkiv
Site status: Not listed — confirm with the team
Kherson
Kherson
Site status: Not listed — confirm with the team
Kiev
Kiev
Site status: Not listed — confirm with the team
Odesa
Odesa
Site status: Not listed — confirm with the team
Simferopol
Simferopol
Site status: Not listed — confirm with the team
United States · 23 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
San Diego
San Diego, California
Site status: Not listed — confirm with the team
Washington D.C.
Washington D.C., District of Columbia
Site status: Not listed — confirm with the team
Kissimmee
Kissimmee, Florida
Site status: Not listed — confirm with the team
Tampa
Tampa, Florida
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
Kingsport
Kingsport, Indiana
Site status: Not listed — confirm with the team
Lake Charles
Lake Charles, Louisiana
Site status: Not listed — confirm with the team
Shreveport
Shreveport, Louisiana
Site status: Not listed — confirm with the team
Pittsfield
Pittsfield, Massachusetts
Site status: Not listed — confirm with the team
Minneapolis
Minneapolis, Minnesota
Site status: Not listed — confirm with the team
Flowood
Flowood, Mississippi
Site status: Not listed — confirm with the team
Creve Coeur
Creve Coeur, Missouri
Site status: Not listed — confirm with the team
St Louis
St Louis, Missouri
Site status: Not listed — confirm with the team
Omaha
Omaha, Nebraska
Site status: Not listed — confirm with the team
Brooklyn
Brooklyn, New York
Site status: Not listed — confirm with the team
Middleburg Heights
Middleburg Heights, Ohio
Site status: Not listed — confirm with the team
Arlington
Arlington, Texas
Site status: Not listed — confirm with the team
Austin
Austin, Texas
Site status: Not listed — confirm with the team
Irving
Irving, Texas
Site status: Not listed — confirm with the team
Portsmount
Portsmount, Virginia
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: NCT00946985. 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 paliperidone palmitate, oral risperidone. Phase 4 studies usually happen after treatment approval, to monitor real-world use.
Who might this study be for?
This study may concern people with schizophrenia; age range: From 18 Years to 35 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 Ortho-McNeil Janssen Scientific Affairs, LLC, which appears to be another type of organization. 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.
Explore other studies
Want to find a study that may fit you better?
Answer a few simple questions to explore HopeStage studies by condition, country, and situation.
