findmyKOL
Clinical trialNCT05686408CompletedPhase 2Interventional

Study to Evaluate TNX-601 ER Monotherapy Versus Placebo in Patients With Major Depressive Disorder (MDD)

SponsorTonix Pharmaceuticals, Inc.Enrollment132DepressionDepression SevereDepressive DisorderDepressive Disorder, MajorDepressive EpisodeDepressive Symptoms
View the registry record on ClinicalTrials.gov

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.

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

27 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Preferred Research Partners

    Little Rock, Arkansas, United States

  • Cenexel Cit - Bellflower

    Bellflower, California, United States

  • Behavioral Research Specialists

    Glendale, California, United States

  • Synergy Research

    Lemon Grove, California, United States

  • Excell Research

    Oceanside, California, United States

  • Ncr Research Institute

    Orange, California, United States

  • Cenexel Cit - Riverside

    Riverside, California, United States

  • Artemis Institute for Clinical Research

    San Diego, California, United States

  • Cenexel Cnr - Sherman Oaks

    Sherman Oaks, California, United States

  • Viking Clinical Research

    Temecula, California, United States

  • Mountain View Clinical Research

    Denver, Colorado, United States

  • Ct Clinical Research Associates

    Cromwell, Connecticut, United States

  • Gulfcoast Clinical Research Center

    Fort Myers, Florida, United States

  • Clinical Neuroscience Solutions - Jacksonville

    Jacksonville, Florida, United States

  • West Broward Outpatient Clinic

    Lauderhill, Florida, United States

  • Segal Trials - North Miami

    Miami Lakes, Florida, United States

  • Clinical Neuroscience Solutions - Orlando

    Orlando, Florida, United States

  • Cenexel Acmr - Atlanta

    Atlanta, Georgia, United States

  • Cenexel Research - Decatur

    Decatur, Georgia, United States

  • Northwest Clinical Trials

    Boise, Idaho, United States

  • Chicago Research Center

    Chicago, Illinois, United States

  • Cenexel Hri - Berlin

    Berlin, New Jersey, United States

  • Summit Research Network

    Portland, Oregon, United States

  • Clinical Neuroscience Solutions - Memphis

    Memphis, Tennessee, United States

  • Donald J. Garcia, Jr.

    Austin, Texas, United States

  • Futuresearch Trials of Dallas

    Dallas, Texas, United States

  • Core Clinical Research

    Everett, Washington, United States

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
2 Mar 2023
Primary completion
29 Sept 2023
Completion
29 Sept 2023
Last update posted
17 Feb 2025
Registered enrollment
132
Registry id
NCT05686408

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.