Clinical trial Recruiting at 27 sites Phase 2 Interventional Ages 18 to 74

RE104 for Injection in Generalized Anxiety Disorder

Official title: A Randomized, Double-Blind, Placebo-Controlled Study Evaluating the Safety and Efficacy of RE104 for Injection in the Treatment of Generalized Anxiety Disorder

Run by Reunion Neuroscience Inc · NCT07489651 · Data updated 2026-11-12

A study to see if a single or repeat dose of RE104 helps reduce anxiety symptoms in adults with Generalized Anxiety Disorder compared to a placebo.

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years to 74 Years
SexAll
Enrollment160 (estimated)
SponsorReunion Neuroscience Inc
Industry-sponsored
Locations28 sites (Birmingham, Alabama and 27 other locations)
StatusRecruiting
StartedApril 20, 2026
Main results expectedJuly 2027
Study endsSeptember 2027
Registry record updatedSeptember 24, 2026
Trial IDNCT07489651 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults diagnosed with Generalized Anxiety Disorder (DSM-5-TR) who are not pregnant or planning pregnancy (for women) or not planning to impregnate a partner (for men) and who can comply with study requirements.

Probably not a fit

Individuals with certain psychiatric comorbidity, significant suicide risk, or medical conditions that make participation unsafe may not benefit from this intervention.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is a Phase 2 interventional trial evaluating RE104 for Injection versus placebo in adults with Generalized Anxiety Disorder. Participants may receive a single dose or multiple doses, and outcomes will compare anxiety symptom changes to placebo. The study will monitor safety and tolerability alongside efficacy signals. Eligible sites include a university clinic in Birmingham, AL, an outpatient psychiatry center in Gilbert, AZ, and partner research programs in Little Rock, AR. The trial excludes individuals with certain psychiatric histories or significant medical risks that could affect participation.

Why it matters

Potential benefit: If successful, participants may experience a reduction in anxiety symptoms and improved functioning compared with placebo.

How similar studies have gone: Previous trials with similar approaches in anxiety disorders have shown mixed results; this study explores a novel treatment in a controlled, randomized setting.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Has Generalized Anxiety Disorder as defined by DSM-5-TR
* If female is not pregnant or planning to become pregnant. If male is not planning to make a partner pregnant.
* Is willing and able to comply with the conditions and requirements of the study

Exclusion Criteria:

* Has a significant risk of suicide
* Has an active or medical history of bipolar disorder, schizophrenia, schizoaffective disorder, psychotic disorder and/or borderline personality disorder, or first-degree family history of psychosis or bipolar disorder
* Has other concurrent psychiatric disorders that is the primary disorder.
* Has other medically significant conditions rendering unsuitability for the study
* Has used or will need to use prohibited medications or therapies
* Has a known sensitivity or intolerance to study intervention or potential rescue medications

Where it's running

  • University of Alabama (UAB) Clinical Research Unit (CRU)
    Birmingham, Alabama, United States
    Recruiting
  • Lighthouse Psychiatry
    Gilbert, Arizona, United States
    Recruiting
  • Preferred Research Partners, Inc.
    Little Rock, Arkansas, United States
    Recruiting
  • Collaborative Neuroscience Research, LLC
    Garden Grove, California, United States
    Recruiting
  • Kadima Neuropsychiatry Institute
    La Jolla, California, United States
    Recruiting
  • Open Mind Therapeutics
    San Francisco, California, United States
    Recruiting
Show 22 more locations
  • TRIP Clinic at Psychedelic Science Institute
    Santa Monica, California, United States
    Recruiting
  • Innovative Clinical Research, Inc.
    Lauderhill, Florida, United States
    Recruiting
  • University of South Florida
    Tampa, Florida, United States
    Recruiting
  • Atlanta Center for Medical Research
    Atlanta, Georgia, United States
    Recruiting
  • CenExel iResearch, LLC
    Decatur, Georgia, United States
    Recruiting
  • Evergreen Clinical Trials
    Norcross, Georgia, United States
    Recruiting
  • CenExel iResearch, LLC
    Savannah, Georgia, United States
    Recruiting
  • Uptown Research Institute
    Chicago, Illinois, United States
    Recruiting
  • Henry Ford Medical Center - Columbus
    Novi, Michigan, United States
    Recruiting
  • Midwest Research Group
    Saint Charles, Missouri, United States
    Recruiting
  • UNM Research Program Psychedelic Therapies
    Albuquerque, New Mexico, United States
    Recruiting
  • NYU-H+C Clinical and Translational Science Institute
    New York, New York, United States
    Recruiting
  • University of North Carolina at Chapel Hill
    Chapel Hill, North Carolina, United States
    Recruiting
  • Neuro-Behavioral Clinical Research, Inc.
    North Canton, Ohio, United States
    Recruiting
  • Summit Headlands LLC
    Portland, Oregon, United States
    Recruiting
  • University of Pennsylvania
    Philadelphia, Pennsylvania, United States
    Recruiting
  • Austin Clinical Trial Partners
    Austin, Texas, United States
    Recruiting
  • BioBehavioral Research Austion
    Austin, Texas, United States
    Recruiting
  • Aim Trials, LLC
    Plano, Texas, United States
    Recruiting
  • Cedar Clinical Research
    Draper, Utah, United States
    Recruiting
  • Inner Space State Street
    Orem, Utah, United States
    Recruiting
  • Suburban Research Associates
    West Chester, Pennsylvania, United States
    Withdrawn

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.