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CompletedNCT00589914

Flexible Doses of Paliperidone Palmitate and Flexible Doses of Risperidone Long-Acting Intramuscular Injection for schizophrenia

This study is completed in the United States, in France, in Austria, .... It is testing Flexible Doses of Paliperidone Palmitate and Flexible Doses of Risperidone Long-Acting Intramuscular Injection 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 Flexible Doses of Paliperidone Palmitate and Flexible Doses of Risperidone Long-Acting Intramuscular Injection may be useful for adults experiencing schizophrenia.

What would participation involve?

Participants may receive Flexible Doses of Paliperidone Palmitate and Flexible Doses of Risperidone Long-Acting Intramuscular Injection, attend study visits with the research team. The protocol may also involve randomization, placebo, or a comparison group. The registry lists locations in Austria, in Bulgaria, and in Czechia.

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 dateMarch 2007
Recruitment status
Completed
Enrollment listed in the registry
1,221
Sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
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, France, Austria, ...
Age range
Over 18 Years
Official registry ID
NCT00589914
Official title
A Randomized, Double-Blind, Parallel-Group, Comparative Study of Flexible Doses of Paliperidone Palmitate and Flexible Doses of Risperidone Long-Acting Intramuscular Injection in Subjects With Schizophrenia

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Study ID: NCT00589914. We help you review the study, but cannot decide medical eligibility.

Check recruitment and locations

Recruitment checked against the registry by HopeStage on . Registry information can change. Always confirm availability with the research team.

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The overall study status can differ from each site's status. Open a country to see its locations and their registry status.

Austria · 3 sites
  • Linz
    Linz
    Site status: Not listed — confirm with the team
  • Salzburg
    Salzburg
    Site status: Not listed — confirm with the team
  • Vienna
    Vienna
    Site status: Not listed — confirm with the team
Bulgaria · 2 sites
  • Plovdiv
    Plovdiv
    Site status: Not listed — confirm with the team
  • Varna
    Varna
    Site status: Not listed — confirm with the team
Czechia · 6 sites
  • Brno
    Brno
    Site status: Not listed — confirm with the team
  • Dobřany
    Dobřany
    Site status: Not listed — confirm with the team
  • Kroměříž
    Kroměříž
    Site status: Not listed — confirm with the team
  • 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
Estonia · 3 sites
  • Pärnu
    Pärnu
    Site status: Not listed — confirm with the team
  • Tallinn
    Tallinn
    Site status: Not listed — confirm with the team
  • Tartu
    Tartu
    Site status: Not listed — confirm with the team
France · 3 sites
  • Bourges Cedex N/A
    Bourges Cedex N/A
    Site status: Not listed — confirm with the team
  • Dole
    Dole
    Site status: Not listed — confirm with the team
  • Romans-sur-Isère
    Romans-sur-Isère
    Site status: Not listed — confirm with the team
Germany · 9 sites
  • Achim
    Achim
    Site status: Not listed — confirm with the team
  • Berlin
    Berlin
    Site status: Not listed — confirm with the team
  • Bielefeld
    Bielefeld
    Site status: Not listed — confirm with the team
  • Bochum
    Bochum
    Site status: Not listed — confirm with the team
  • Jena
    Jena
    Site status: Not listed — confirm with the team
  • Leipzig
    Leipzig
    Site status: Not listed — confirm with the team
  • Mannheim
    Mannheim
    Site status: Not listed — confirm with the team
  • München
    München
    Site status: Not listed — confirm with the team
  • Stralsund
    Stralsund
    Site status: Not listed — confirm with the team
Hungary · 5 sites
  • Baja
    Baja
    Site status: Not listed — confirm with the team
  • Budapest
    Budapest
    Site status: Not listed — confirm with the team
  • Gyõr
    Gyõr
    Site status: Not listed — confirm with the team
  • Kalocsa
    Kalocsa
    Site status: Not listed — confirm with the team
  • Nagykálló
    Nagykálló
    Site status: Not listed — confirm with the team
India · 6 sites
  • Aurangabad
    Aurangabad
    Site status: Not listed — confirm with the team
  • Bangalore
    Bangalore
    Site status: Not listed — confirm with the team
  • Chandigarh
    Chandigarh
    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
Lithuania · 4 sites
  • Alytus
    Alytus
    Site status: Not listed — confirm with the team
  • Kaunas
    Kaunas
    Site status: Not listed — confirm with the team
  • Klaipėda
    Klaipėda
    Site status: Not listed — confirm with the team
  • Vilnius
    Vilnius
    Site status: Not listed — confirm with the team
Poland · 10 sites
  • Bełchatów
    Bełchatów
    Site status: Not listed — confirm with the team
  • Bytom Na
    Bytom Na
    Site status: Not listed — confirm with the team
  • Chełmno
    Chełmno
    Site status: Not listed — confirm with the team
  • Gdynia Na
    Gdynia Na
    Site status: Not listed — confirm with the team
  • Katowice Woj Slaskie
    Katowice Woj Slaskie
    Site status: Not listed — confirm with the team
  • Krakow Na
    Krakow Na
    Site status: Not listed — confirm with the team
  • Lubliniec
    Lubliniec
    Site status: Not listed — confirm with the team
  • Piekary Slaskie Na
    Piekary Slaskie Na
    Site status: Not listed — confirm with the team
  • Skorzewo Na
    Skorzewo Na
    Site status: Not listed — confirm with the team
  • Warszawa Na
    Warszawa Na
    Site status: Not listed — confirm with the team
Russia · 6 sites
  • Moscow
    Moscow
    Site status: Not listed — confirm with the team
  • Moscow Russia
    Moscow Russia
    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
  • Saratov
    Saratov
    Site status: Not listed — confirm with the team
  • Yaroslavl
    Yaroslavl
    Site status: Not listed — confirm with the team
Spain · 3 sites
  • Barcelona
    Barcelona
    Site status: Not listed — confirm with the team
  • Madrid
    Madrid
    Site status: Not listed — confirm with the team
  • San Juan
    San Juan
    Site status: Not listed — confirm with the team
Ukraine · 7 sites
  • Dnipro
    Dnipro
    Site status: Not listed — confirm with the team
  • Donetsk
    Donetsk
    Site status: Not listed — confirm with the team
  • Kharkiv
    Kharkiv
    Site status: Not listed — confirm with the team
  • Kiev
    Kiev
    Site status: Not listed — confirm with the team
  • Kyiv
    Kyiv
    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 · 15 sites
  • Birmingham
    Birmingham, Alabama
    Site status: Not listed — confirm with the team
  • Little Rock
    Little Rock, Arkansas
    Site status: Not listed — confirm with the team
  • Cerritos
    Cerritos, California
    Site status: Not listed — confirm with the team
  • Garden Grove
    Garden Grove, California
    Site status: Not listed — confirm with the team
  • Los Angeles
    Los Angeles, 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
  • Atlanta
    Atlanta, Georgia
    Site status: Not listed — confirm with the team
  • Chicago
    Chicago, Illinois
    Site status: Not listed — confirm with the team
  • Flowood
    Flowood, Mississippi
    Site status: Not listed — confirm with the team
  • Hollis
    Hollis, New York
    Site status: Not listed — confirm with the team
  • Willoughby
    Willoughby, Ohio
    Site status: Not listed — confirm with the team
  • Oklahoma City
    Oklahoma City, Oklahoma
    Site status: Not listed — confirm with the team
  • DeSoto
    DeSoto, Texas
    Site status: Not listed — confirm with the team
  • Houston
    Houston, Texas
    Site status: Not listed — confirm with the team
  • Odessa
    Odessa, Texas
    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 RISPERDAL CONSTA, Paliperidone palmitate. 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 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 Johnson & Johnson Pharmaceutical Research & Development, L.L.C., which appears to be a pharmaceutical company. 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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