Recruiting Major Depressive Disorder Studies in Tucson
Phase 3 Study of Adjunctive Treatment With Seltorexant in Adult and Elderly Participants With Major Depressive Disorder and Insomnia Symptoms
The purpose of this study is to know how well seltorexant works, and also to evaluate safety and maintenance effect of seltorexant compared with placebo as an adjunctive therapy to an antidepressant i...
Study of ABX-002 for the Adjunctive Treatment of Major Depressive Disorder (AMPLIFY)
The goal of this clinical trial is to learn if ABX-002 added to an existing antidepressant treatment will benefit depression symptoms in adults with moderate to severe major depressive disorder who ha...
"A Study of a Deuterated Psilocin Analog (CYB003) in Humans With Major Depressive Disorder"
The purpose of this study is to examine the efficacy, safety, and tolerability of CYB003 compared to matching placebo as adjunctive treatment in participants with MDD....
PD, PK, and Safety of ALTO-203 in Patients With MDD
The goal of this clinical trial is to determine the pharmacodynamic effects of ALTO-203 in patients with MDD in a randomized, placebo-controlled, single-dose crossover treatment period. Additionally, ...
About Major Depressive Disorder Clinical Trials in Tucson
Major depressive disorder (MDD) is a severe form of depression characterized by persistent sadness, loss of interest, and impaired daily functioning. Treatment-resistant depression (TRD) affects patients who do not respond to standard therapies. Novel treatments like ketamine, psilocybin, and neuromodulation are being studied.
There are currently 4 major depressive disorder clinical trials recruiting participants in Tucson, ARIZONA. These studies are seeking a combined 1,262 participants. Research is being sponsored by Janssen Research & Development, LLC, Autobahn Therapeutics, Inc., Cybin IRL Limited and 1 other organizations. Clinical trial participation is free and participants receive study-related medical care at no cost.
Major Depressive Disorder Clinical Trials in Tucson — FAQ
Are there major depressive disorder clinical trials in Tucson?
Yes, there are 4 major depressive disorder clinical trials currently recruiting in Tucson, ARIZONA. Browse the studies on this page to find one that fits.
How do I join a clinical trial in Tucson?
Browse the studies listed above, click one that interests you, and complete the free eligibility form. A study coordinator at the Tucson research site will contact you about next steps.
Are clinical trials in Tucson free?
Yes, clinical trial participation is always free. Study-related treatment, medical tests, and doctor visits are provided at no cost. Many Tucson studies also compensate for your time and travel.
What major depressive disorder treatments are being tested?
The 4 active trials in Tucson are testing new therapies including novel drugs, biologics, and treatment approaches for major depressive disorder.
Data updated March 2, 2026 from ClinicalTrials.gov