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TerminatedNCT03896945

Efficacy, Safety, and Tolerability of AVP-786 (Deudextromethorphan Hydrobromide [d6-DM]/Quinidine Sulfate [Q]) for schizophrenia

This study was terminated in the United States, in Bulgaria, and in Poland. It is testing Efficacy, Safety, and Tolerability of AVP-786 (Deudextromethorphan Hydrobromide [d6-DM]/Quinidine Sulfate [Q]) 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.

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 AVP-786 may be useful for adults experiencing schizophrenia.

What would participation involve?

Participants may receive AVP-786, attend study visits with the research team. The protocol may also involve randomization, placebo, or a comparison group. The registry lists locations in Bulgaria, in Poland, and in the United States.

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 dateStarted: February 15, 2019
Recruitment status
Terminated
Enrollment listed in the registry
136
Sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Sponsor type
Pharmaceutical company
Study type
Drug
Intervention type
Medication / drug
Study phase
Phase 2, Phase 3This study spans more than one phase, so it may combine goals such as safety, dosing, and early effectiveness.
Locations
United States, Bulgaria, Poland
Age range
From 18 Years to 60 Years
Official registry ID
NCT03896945
Official title
A Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-arm Study to Assess the Efficacy, Safety, and Tolerability of AVP-786 (Deudextromethorphan Hydrobromide [d6-DM]/Quinidine Sulfate [Q]) for the Treatment of Negative Symptoms of Schizophrenia

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.

Bulgaria · 6 sites
  • Clinical Research Site #009
    Kazanlak
    Site status: Not listed — confirm with the team
  • Clinical Research Site #100-008
    Novi Iskar
    Site status: Not listed — confirm with the team
  • Clinical Research Site #100-007
    Plovdiv
    Site status: Not listed — confirm with the team
  • Clinical Research Site #100-004 2
    Sofia
    Site status: Not listed — confirm with the team
  • Clinical Research Site #100-006
    Veliko Tarnovo
    Site status: Not listed — confirm with the team
  • Clinical Research Site #100-001
    Vratsa
    Site status: Not listed — confirm with the team
Poland · 3 sites
  • Clinical Research Site
    Tuszyn, Woj.Iodzkie
    Site status: Not listed — confirm with the team
  • Clinical Research Site #616-002
    Bełchatów
    Site status: Not listed — confirm with the team
  • Clinical Research Site #616-003
    Pruszcz Gdański
    Site status: Not listed — confirm with the team
Puerto Rico · 2 sites
  • Clinical Research Site #630-001
    San Juan
    Site status: Not listed — confirm with the team
  • Clinical Research Site # 630-002
    San Juan
    Site status: Not listed — confirm with the team
United States · 61 sites
  • Clinical Research Site
    Little Rock, Arkansas
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-041
    Anaheim, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-013
    Bellflower, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-079
    Costa Mesa, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-027
    Culver City, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-006
    Garden Grove, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-026
    Glendale, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site# 840-067
    La Habra, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site# 840-083
    Lafayette, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site 840-002
    Lemon Grove, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site
    Oakland, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-035
    Oceanside, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site# 840-010
    Panorama City, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-012
    Riverside, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site# 840-081
    San Bernardino, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-005
    San Diego, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-096
    Santee, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-015
    Torrance, California
    Site status: Not listed — confirm with the team
  • Clinical Research Site# 840-094
    Doral, Florida
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-046
    Hollywood, Florida
    Site status: Not listed — confirm with the team
  • Clinical Research Site Site #840-093
    Homestead, Florida
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-062
    Lakeland, Florida
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-024
    Largo, Florida
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-032
    Miami, Florida
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-080
    Miami, Florida
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-084
    Miami Lakes, Florida
    Site status: Not listed — confirm with the team
  • Clinical Research Site
    Okeechobee, Florida
    Site status: Not listed — confirm with the team
  • Clinical Research Site # 840-102
    Weston, Florida
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-088
    Atlanta, Georgia
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-091
    Atlanta, Georgia
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-008
    Atlanta, Georgia
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-063
    Decatur, Georgia
    Site status: Not listed — confirm with the team
  • Clinical Research Site
    Chicago, Illinois
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-090
    Springfield, Illinois
    Site status: Not listed — confirm with the team
  • Clinical Research Site
    Lake Charles, Louisiana
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-098
    Shreveport, Louisiana
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-072
    Worcester, Massachusetts
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-057
    Flowood, Mississippi
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-040
    Olivette, Missouri
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-029
    Saint Charles, Missouri
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-034
    Saint Charles, Missouri
    Site status: Not listed — confirm with the team
  • Clinical Research Site
    St Louis, Missouri
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-025
    St Louis, Missouri
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-028
    Berlin, New Jersey
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-009
    Jamaica, New York
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-070
    New York, New York
    Site status: Not listed — confirm with the team
  • Clinical Research Site
    Rochester, New York
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-074
    Charlotte, North Carolina
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-052
    Middleburg Heights, Ohio
    Site status: Not listed — confirm with the team
  • Clinical Research Site
    Edmond, Oklahoma
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-065
    Oklahoma City, Oklahoma
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-061
    Media, Pennsylvania
    Site status: Not listed — confirm with the team
  • Clinical Research Site
    Norristown, Pennsylvania
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-099
    Myrtle Beach, South Carolina
    Site status: Not listed — confirm with the team
  • Clinical Research Site
    Memphis, Tennessee
    Site status: Not listed — confirm with the team
  • Clinical Research Site
    DeSoto, Texas
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-058
    Fort Worth, Texas
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-018
    Richardson, Texas
    Site status: Not listed — confirm with the team
  • Clinical Research Site
    San Antonio, Texas
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-069
    Springville, Utah
    Site status: Not listed — confirm with the team
  • Clinical Research Site #840-051
    Everett, Washington
    Site status: Not listed — confirm with the team

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Study ID: NCT03896945. 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 Placebo, AVP-786. 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 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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