This study is completed in the United States, in Colombia, in Croatia, .... It is testing OPC-34712 for schizophrenia.
SchizophreniaDrugFrom 18 Years to 65 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 OPC-34712 may be useful for adults experiencing schizophrenia.
What would participation involve?
Participants may receive OPC-34712, attend study visits with the research team. The protocol may also involve randomization, placebo, or a comparison group. The registry lists locations in Colombia, in Croatia, and in Mexico.
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.
The overall study status can differ from each site's status. Open a country to see its locations and their registry status.
Colombia · 3 sites
Bogotá
Bogotá
Site status: Not listed — confirm with the team
Medellín
Medellín
Site status: Not listed — confirm with the team
Pereira
Pereira
Site status: Not listed — confirm with the team
Croatia · 3 sites
Rijeka
Rijeka
Site status: Not listed — confirm with the team
Zagreb
Zagreb
Site status: Not listed — confirm with the team
Zagreb
Zagreb
Site status: Not listed — confirm with the team
Mexico · 5 sites
Col. Florida
Col. Florida, Mexico City
Site status: Not listed — confirm with the team
Mexico City
Mexico City, Mexico City
Site status: Not listed — confirm with the team
Monterrey
Monterrey, Nuevo León
Site status: Not listed — confirm with the team
San Luis Potosí City
San Luis Potosí City, San Luis Potos
Site status: Not listed — confirm with the team
Monterrey
Monterrey
Site status: Not listed — confirm with the team
Philippines · 5 sites
Cebu City
Cebu City
Site status: Not listed — confirm with the team
Davano City
Davano City
Site status: Not listed — confirm with the team
Makati City
Makati City
Site status: Not listed — confirm with the team
Mandaluyong
Mandaluyong
Site status: Not listed — confirm with the team
Manila
Manila
Site status: Not listed — confirm with the team
Russia · 15 sites
Arkhangelsk
Arkhangelsk
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 Region
Moscow Region
Site status: Not listed — confirm with the team
Nizhny Novgorod
Nizhny Novgorod
Site status: Not listed — confirm with the team
Petrozavodsk
Petrozavodsk
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
Saint Petersburg
Saint Petersburg
Site status: Not listed — confirm with the team
Samara
Samara
Site status: Not listed — confirm with the team
Saratov
Saratov
Site status: Not listed — confirm with the team
Tomsk
Tomsk
Site status: Not listed — confirm with the team
Village Nikolskoe
Village Nikolskoe
Site status: Not listed — confirm with the team
Slovakia · 5 sites
Bojnice
Bojnice
Site status: Not listed — confirm with the team
Bratislava
Bratislava
Site status: Not listed — confirm with the team
Michalovace
Michalovace
Site status: Not listed — confirm with the team
Rimavská Sobota
Rimavská Sobota
Site status: Not listed — confirm with the team
Rožňava
Rožňava
Site status: Not listed — confirm with the team
Taiwan · 5 sites
Kaohsiung City
Kaohsiung City
Site status: Not listed — confirm with the team
New Taipei City
New Taipei City
Site status: Not listed — confirm with the team
Taichung
Taichung
Site status: Not listed — confirm with the team
Taipei
Taipei
Site status: Not listed — confirm with the team
Taoyuan
Taoyuan
Site status: Not listed — confirm with the team
United States · 19 sites
Little Rock
Little Rock, Arkansas
Site status: Not listed — confirm with the team
Springdale
Springdale, Arkansas
Site status: Not listed — confirm with the team
Escondido
Escondido, California
Site status: Not listed — confirm with the team
Long Beach
Long Beach, California
Site status: Not listed — confirm with the team
Orange
Orange, California
Site status: Not listed — confirm with the team
Pico Rivera
Pico Rivera, California
Site status: Not listed — confirm with the team
San Diego
San Diego, California
Site status: Not listed — confirm with the team
North Miami
North Miami, Florida
Site status: Not listed — confirm with the team
North Miami
North Miami, Florida
Site status: Not listed — confirm with the team
Overland Park
Overland Park, Kansas
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
Flowood
Flowood, Mississippi
Site status: Not listed — confirm with the team
St Louis
St Louis, Missouri
Site status: Not listed — confirm with the team
Buffalo
Buffalo, New York
Site status: Not listed — confirm with the team
Memphis
Memphis, Tennessee
Site status: Not listed — confirm with the team
Austin
Austin, Texas
Site status: Not listed — confirm with the team
Dallas
Dallas, Texas
Site status: Not listed — confirm with the team
Houston
Houston, 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 OPC-34712, Placebo. 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: From 18 Years to 65 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 Otsuka Pharmaceutical Development & Commercialization, Inc., which appears to be a pharmaceutical company. Sponsor website: https://www.otsuka.co.jp/en/. 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.