Depression Clinical Trials
There are 1,163 actively recruiting depression clinical trials across 76 countries. Studies span Not Applicable, Phase 2, Phase 1, Phase 4, Phase 3, Early Phase 1. Top locations include Boston, Massachusetts, United States, New York, New York, United States, Toronto, Ontario, Canada. Updated daily from ClinicalTrials.gov.
Depression Trials at a Glance
1,163 actively recruiting trials for depression are listed on ClinicalTrialsFinder across 6 cities in 76 countries. The largest study group is Not Applicable with 685 trials, with the heaviest enrollment activity in Boston, New York, and Toronto. Lead sponsors running depression studies include Massachusetts General Hospital, Medical University of South Carolina, and Monash University.
Browse depression trials by phase
Top cities for depression trials
Understanding Depression Clinical Trials
While SSRIs like fluoxetine (Prozac) and sertraline (Zoloft) have been mainstay treatments for decades, clinical trials have recently delivered breakthrough therapies including esketamine (Spravato), the first rapid-acting antidepressant nasal spray, and brexanolone (Zulresso) for postpartum depression. Psilocybin-assisted therapy and novel glutamate modulators are advancing through trials with promising results. For the estimated one-third of patients whose depression does not respond adequately to standard antidepressants, clinical trials represent a vital pathway to new treatment options.
Why Consider a Clinical Trial?
Frequently Asked Questions
Common questions about Depression clinical trials
Some trials allow you to continue your current medication, particularly augmentation studies that add a new treatment on top of your existing regimen. Others require a washout period to accurately assess the new treatment. Any medication changes are done gradually under close medical supervision to minimize withdrawal effects.
Your mental health is closely monitored throughout the trial with regular psychiatric assessments and standardized symptom rating scales. If your depression significantly worsens, the study team will intervene promptly, which may include adjusting treatment, providing rescue medication, or withdrawing you from the trial to ensure your safety.
Yes. Many trials test non-medication approaches including transcranial magnetic stimulation (TMS), psychotherapy techniques, digital therapeutics, exercise interventions, and neuromodulation devices. These trials are particularly relevant for patients who prefer non-pharmacological options or have not tolerated medications well.
Treatment-resistant depression is generally defined as depression that has not improved after trying at least two different antidepressants at adequate doses for adequate durations. Many trials specifically seek these patients, as they represent the population with the greatest unmet need. Your treatment history will be carefully reviewed during screening.
Clinical trial participation is protected by strict confidentiality rules. Your employer will not be notified. Insurance may see routine care claims but not the details of your trial participation. The study drug and research procedures are billed to the sponsor, not your insurance. Discuss any privacy concerns with the study team.
Showing 1–20 of 1,163 trials