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CompletedNCT00216476

Relapse Prevention and the Effectiveness of Long-acting Injectable Risperidone and Quetiapine Tablets in the Treatment of people with Schizophrenia or Schizoaffective Disorder

This study is completed. It focuses on schizophrenia and currently lists study information in Austria, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, France, Germany, Greece, Hungary, Ireland, Israel, Latvia, Lithuania, Poland, Portugal, Romania, Saudi Arabia, Slovakia, Slovenia, Spain, Sweden, Turkey, and the United Kingdom.

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 Relapse Prevention and the Effectiveness of Long-acting Injectable Risperidone and Quetiapine Tablets may be useful for adults experiencing schizophrenia.

What would participation involve?

Participants may receive Relapse Prevention and the Effectiveness of Long-acting Injectable Risperidone and Quetiapine Tablets, attend study visits with the research team. The registry lists locations in Austria, in Bulgaria, and in Croatia.

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 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 dateOctober 2004
Recruitment status
Completed
Enrollment listed in the registry
753
Sponsor
Janssen-Cilag International NV
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
France, United Kingdom, Austria, ...
Age range
Over 18 Years
Official registry ID
NCT00216476
Official title
CONSTATRE: Risperdal Consta Trial Of Relapse Prevention And Effectiveness

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 · 3 sites
  • Hall in Tirol
    Hall in Tirol
    Site status: Not listed — confirm with the team
  • Linz
    Linz
    Site status: Not listed — confirm with the team
  • Neunkirchen
    Neunkirchen
    Site status: Not listed — confirm with the team
Bulgaria · 3 sites
  • Pleven
    Pleven
    Site status: Not listed — confirm with the team
  • Sofia
    Sofia
    Site status: Not listed — confirm with the team
  • Sofia Sofia
    Sofia Sofia
    Site status: Not listed — confirm with the team
Croatia · 4 sites
  • Osijek
    Osijek
    Site status: Not listed — confirm with the team
  • Rijeka
    Rijeka
    Site status: Not listed — confirm with the team
  • Split
    Split
    Site status: Not listed — confirm with the team
  • Zagreb
    Zagreb
    Site status: Not listed — confirm with the team
Czechia · 9 sites
  • Brno
    Brno
    Site status: Not listed — confirm with the team
  • Lnáře
    Lnáře
    Site status: Not listed — confirm with the team
  • Opava
    Opava
    Site status: Not listed — confirm with the team
  • Pardubice
    Pardubice
    Site status: Not listed — confirm with the team
  • Plzen Czechia
    Plzen Czechia
    Site status: Not listed — confirm with the team
  • Prague
    Prague
    Site status: Not listed — confirm with the team
  • Praha 2 N/A
    Praha 2 N/A
    Site status: Not listed — confirm with the team
  • Uherský Brod
    Uherský Brod
    Site status: Not listed — confirm with the team
  • Ústí nad Labem
    Ústí nad Labem
    Site status: Not listed — confirm with the team
Denmark · 2 sites
  • Middelfart
    Middelfart
    Site status: Not listed — confirm with the team
  • Vordingborg
    Vordingborg
    Site status: Not listed — confirm with the team
Estonia · 3 sites
  • Pÿrnu N/A
    Pÿrnu N/A
    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 · 10 sites
  • Bron
    Bron
    Site status: Not listed — confirm with the team
  • Brumath
    Brumath
    Site status: Not listed — confirm with the team
  • Créteil
    Créteil
    Site status: Not listed — confirm with the team
  • Dieppe
    Dieppe
    Site status: Not listed — confirm with the team
  • Hénin-Beaumont
    Hénin-Beaumont
    Site status: Not listed — confirm with the team
  • Mont-Saint-Martin
    Mont-Saint-Martin
    Site status: Not listed — confirm with the team
  • Poitiers
    Poitiers
    Site status: Not listed — confirm with the team
  • Reims
    Reims
    Site status: Not listed — confirm with the team
  • Roubaix
    Roubaix
    Site status: Not listed — confirm with the team
  • Toulouse
    Toulouse
    Site status: Not listed — confirm with the team
Germany · 10 sites
  • Augsburg
    Augsburg
    Site status: Not listed — confirm with the team
  • Berlin
    Berlin
    Site status: Not listed — confirm with the team
  • Bochum
    Bochum
    Site status: Not listed — confirm with the team
  • Duisburg
    Duisburg
    Site status: Not listed — confirm with the team
  • Düsseldorf
    Düsseldorf
    Site status: Not listed — confirm with the team
  • Karlstadt am Main
    Karlstadt am Main
    Site status: Not listed — confirm with the team
  • Krefeld
    Krefeld
    Site status: Not listed — confirm with the team
  • München
    München
    Site status: Not listed — confirm with the team
  • Oranienburg
    Oranienburg
    Site status: Not listed — confirm with the team
  • Stralsund
    Stralsund
    Site status: Not listed — confirm with the team
Greece · 2 sites
  • Heraklion -Crete
    Heraklion -Crete
    Site status: Not listed — confirm with the team
  • Thessalonikis
    Thessalonikis
    Site status: Not listed — confirm with the team
Hungary · 6 sites
  • Budapest
    Budapest
    Site status: Not listed — confirm with the team
  • Gyõr
    Gyõr
    Site status: Not listed — confirm with the team
  • Gyula
    Gyula
    Site status: Not listed — confirm with the team
  • Kistarcsa
    Kistarcsa
    Site status: Not listed — confirm with the team
  • Szeged
    Szeged
    Site status: Not listed — confirm with the team
  • Vác
    Vác
    Site status: Not listed — confirm with the team
Ireland · 4 sites
  • Cork
    Cork
    Site status: Not listed — confirm with the team
  • Dublin
    Dublin
    Site status: Not listed — confirm with the team
  • Kerry
    Kerry
    Site status: Not listed — confirm with the team
  • Sligo
    Sligo
    Site status: Not listed — confirm with the team
Israel · 3 sites
  • Jerusalem
    Jerusalem
    Site status: Not listed — confirm with the team
  • Ramat Gan
    Ramat Gan
    Site status: Not listed — confirm with the team
  • Tel Aviv
    Tel Aviv
    Site status: Not listed — confirm with the team
Latvia · 2 sites
  • Jelgava
    Jelgava
    Site status: Not listed — confirm with the team
  • Riga
    Riga
    Site status: Not listed — confirm with the team
Lithuania · 5 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
  • Šiauliai
    Šiauliai
    Site status: Not listed — confirm with the team
  • Vilnius
    Vilnius
    Site status: Not listed — confirm with the team
Poland · 4 sites
  • Choroszcz
    Choroszcz
    Site status: Not listed — confirm with the team
  • Gdynia Na
    Gdynia Na
    Site status: Not listed — confirm with the team
  • Poznan
    Poznan
    Site status: Not listed — confirm with the team
  • Warsaw
    Warsaw
    Site status: Not listed — confirm with the team
Portugal · 2 sites
  • Coimbra
    Coimbra
    Site status: Not listed — confirm with the team
  • Porto
    Porto
    Site status: Not listed — confirm with the team
Romania · 3 sites
  • Bucharest
    Bucharest
    Site status: Not listed — confirm with the team
  • Craiova
    Craiova
    Site status: Not listed — confirm with the team
  • Iași
    Iași
    Site status: Not listed — confirm with the team
Saudi Arabia · 1 site
  • Khobar
    Khobar
    Site status: Not listed — confirm with the team
Slovakia · 2 sites
  • Košice
    Košice
    Site status: Not listed — confirm with the team
  • Zvolen
    Zvolen
    Site status: Not listed — confirm with the team
Slovenia · 3 sites
  • Begunje na Gorenjskem
    Begunje na Gorenjskem
    Site status: Not listed — confirm with the team
  • Ljubljana
    Ljubljana
    Site status: Not listed — confirm with the team
  • Ormoz
    Ormoz
    Site status: Not listed — confirm with the team
Spain · 4 sites
  • Madrid
    Madrid
    Site status: Not listed — confirm with the team
  • Oviedo (Asturias)
    Oviedo (Asturias)
    Site status: Not listed — confirm with the team
  • Seville
    Seville
    Site status: Not listed — confirm with the team
  • Valencia
    Valencia
    Site status: Not listed — confirm with the team
Sweden · 2 sites
  • Gothenburg
    Gothenburg
    Site status: Not listed — confirm with the team
  • Trollhättan
    Trollhättan
    Site status: Not listed — confirm with the team
Türkiye · 4 sites
  • Ankara Turkey
    Ankara Turkey
    Site status: Not listed — confirm with the team
  • Bakirkoy/Istanbul N/A
    Bakirkoy/Istanbul N/A
    Site status: Not listed — confirm with the team
  • Istanbul
    Istanbul
    Site status: Not listed — confirm with the team
  • Izmir
    Izmir
    Site status: Not listed — confirm with the team
United Kingdom · 5 sites
  • Barnet
    Barnet
    Site status: Not listed — confirm with the team
  • Barnsley
    Barnsley
    Site status: Not listed — confirm with the team
  • Hull
    Hull
    Site status: Not listed — confirm with the team
  • Llantrissant
    Llantrissant
    Site status: Not listed — confirm with the team
  • Swansea
    Swansea
    Site status: Not listed — confirm with the team

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Study ID: NCT00216476. 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 Aripiprazole, Risperidone Long Acting Injectable (LAI), Quetiapine. 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 Janssen-Cilag International NV, 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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