Zelquistinel or Placebo for the Reduction of Symptoms of Major Depressive Disorder
Summary
The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
- Aaron Koenig, MD
Syndeio Biosciences
Study Chair
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
34 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- University of Alabama at Birmingham
Birmingham, Alabama, United States
Recruiting - University of Alabama at Birmingham-Huntsville
Huntsville, Alabama, United States
Recruiting - Wr-Pri, Llc
Encino, California, United States
Withdrawn - Irvine Clinical Research
Irvine, California, United States
Recruiting - Calneuro Research Group
Los Angeles, California, United States
Recruiting - Pacific Clinical Research Management Group Llc
Upland, California, United States
Terminated - Sunwise Clinical Research Llc
Walnut Creek, California, United States
Recruiting - Mcb Clinical Research Centers, Inc.
Colorado Springs, Colorado, United States
Recruiting - Mountain View Clinical Research
Denver, Colorado, United States
Recruiting - University of Connecticut School of Medicine Psychiatry Department
Farmington, Connecticut, United States
Recruiting - Clinical Neuroscience Solutions, Inc.
Jacksonville, Florida, United States
Recruiting - D&h Pompano Research Center, Llc
Margate, Florida, United States
Recruiting - Miami Dade Medical Research Institute
Miami, Florida, United States
Recruiting - Premier Clinical Research Institute, Inc.
Miami, Florida, United States
Recruiting - Clinical Neuroscience Solutions, Inc.
Orlando, Florida, United States
Recruiting - Cenexel Irs (iresearch Savannah)
Savannah, Georgia, United States
Recruiting - Revive Research Institute
Elgin, Illinois, United States
Withdrawn - Kumc-Wichita
Wichita, Kansas, United States
Withdrawn - Quantum Research Associates Corp.
Louisville, Kentucky, United States
Active, not recruiting - Boston Clinical Trials
Boston, Massachusetts, United States
Withdrawn - Mayflower Clinical
Russells Mills, Massachusetts, United States
Recruiting - Vector Clinical Trials
Las Vegas, Nevada, United States
Recruiting - Neurobehavioral Research, Inc.
Cedarhurst, New York, United States
Recruiting - Insight Clinical Trials Llc
Independence, Ohio, United States
Recruiting - Sooner Clinical Research, Inc.
Oklahoma City, Oklahoma, United States
Withdrawn - Lehigh Center for Clinical Research
Allentown, Pennsylvania, United States
Recruiting - Clinical Neuroscience Solutions, Inc.
Memphis, Tennessee, United States
Withdrawn - Austin Clinical Trial Partners
Austin, Texas, United States
Recruiting - Insite Clinical Research, Llc
DeSoto, Texas, United States
Recruiting - Baylor College of Medicine, Psychiatry and Behavioral Sciences
Houston, Texas, United States
Withdrawn - Clinical Trials of Texas Llc
San Antonio, Texas, United States
Withdrawn - Grayline Research Center
Wichita Falls, Texas, United States
Recruiting - Andes Clinical Research
Orem, Utah, United States
Recruiting - Northwest Clinical Research Center
Bellevue, Washington, United States
Withdrawn
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 3 Feb 2025
- Primary completion
- 30 Sept 2027
- Completion
- 31 Dec 2027
- Last update posted
- 7 Jul 2026
- Registered enrollment
- 164
- Registry id
- NCT06547489
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.