Clinical trials
Depressive Disorder clinical trials
Below are recruiting depressive disorder clinical trials, each written for real people, not researchers. We’re tracking 689 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05641623RecruitingPhase 2
Study drug for depression that didn’t improve on common antidepressants
This Phase 2 trial tests OSU6162 added to an SSRI or SNRI in people whose major depression did not improve enough after trying specific antidepressants for at least 6 weeks. It may help reduce depression symptoms when standard treatments haven’t worked well.
Lund, Skåne CountyAges 25–65 - NCT05658796Recruiting
Program to reduce opioid use after hip or knee replacement
This trial tests a support program called RXWell to help people use less opioid pain medicine after elective hip or knee replacement surgery. It may help by addressing anxiety and depression symptoms that can affect pain and recovery.
Monroeville, PennsylvaniaAges 18–100 - NCT05786066RecruitingPhase 2
Test whether blocking AMPA changes ketamine’s suicide relief
This study looks at whether an “AMPA receptor blocker” changes how ketamine affects suicidal thoughts in people with depression that hasn’t improved with usual treatments. If you qualify, you may receive ketamine and the study medicine, while continuing your regular mental health care.
West Haven, ConnecticutAges 21–65 - NCT05913960Recruiting
Theta-burst brain stimulation for major depression
This study tests whether an “accelerated intermittent theta-burst” brain stimulation treatment can improve major depressive disorder by affecting brain signaling pathways. You may be a candidate if you have moderate-to-severe depression and can safely undergo brain MRI.
Hangzhou, ZhejiangAges 12–45 - NCT05925322Recruiting
Social reward therapy for depression-related suicidal thoughts
This study looks at whether “social reward” psychotherapy can change brain activity and reduce suicidal thoughts in adults ages 50–80 who also have major depression. You may be offered psychotherapy along with brain scans to see how your brain responds over time.
New York, New YorkAges 50–80 - NCT06072898RecruitingPhase 2
Psilocybin brain imaging trial for depression
This study tests whether a single dose of psilocybin (a psychedelic compound) can help treat depression by looking at brain changes on MRI. It is designed for people with moderate-to-severe depression who have not responded well to other treatments.
Toronto, OntarioAges 18–64 - NCT06080646Recruiting
Depression and Reward Processing Brain Study
This study uses brain scans (MRI) to understand how people with depression process rewards, aiming to identify different depression subtypes. You may join if you have depression or if you are a healthy volunteer.
San Francisco, CaliforniaAges 18–70 - NCT06376734RecruitingPhase 2
TMS for depression, anxiety, OCD, or schizophrenia
This study tests whether a brain stimulation technique called TMS can help people with depression, anxiety, OCD, or schizophrenia. It aims to find better ways to target the treatment for each person's specific needs.
Sunnyvale, CaliforniaAges 18–65 - NCT06396312Recruiting
Predicting lithium response in difficult depression
This study looks at how to predict which people with hard-to-treat depression will benefit from adding lithium to their antidepressant. If you have treatment-resistant depression and are considering lithium, this trial may help find the best treatment for you.
Munich, BavariaAges 18 years+ - NCT06412315Recruiting
Brain scan and citalopram study for healthy volunteers
This study uses a powerful 7T MRI scanner to look at a part of the brain called the amygdala, and tests how the drug citalopram affects brain activity during emotional tasks. It may help researchers understand more about mood disorders.
Oxford, OxfordshireAges 18–40 - NCT06462196Recruiting
Study of Depression, Bipolar Disorder & Suicide Risk
This study looks at how depression, bipolar disorder, and suicide risk naturally change over time. It aims to better understand these conditions so doctors can improve treatments.
Bethesda, MarylandAges 18–120 - NCT06511908RecruitingPhase 2
Testing a new ketamine-like drug for hard-to-treat depression
This study tests a new experimental drug (2R,6R)-HNK, a chemical related to ketamine, given by IV infusion to see if it can help people with depression that hasn't improved with other treatments. The goal is to find a new option for people who have not found relief from standard antidepressants.
Bethesda, MarylandAges 18–70 - NCT06620276Recruiting
Ketamine and therapy for alcohol use disorder and depression
This trial tests if combining ketamine infusions with weekly therapy can help people who have both alcohol use disorder and hard-to-treat depression. You may qualify if you drink at least moderately, have treatment-resistant depression, and are willing to attend 8 therapy sessions.
Montreal, QuebecAges 18–70 - NCT06621394Recruiting
Mediterranean diet and mindful eating for depression and obesity
This study tests if a Mediterranean diet combined with mindful eating can help reduce depression severity in people who have both obesity and major depressive disorder. You would follow a special eating plan and learn mindfulness techniques to see if they improve your mood.
StuttgartAges 18 years+ - NCT06675240Recruiting
Meditative neurofeedback for depression
This trial tests whether a technique that combines meditation with real-time brain activity feedback can help treat depression. It may help if you have moderate depression and are not currently struggling with substance abuse, psychosis, bipolar disorder, or suicidal behavior.
La Jolla, CaliforniaAges 18 years+ - NCT06724666Recruiting
Online therapy for teens with anxiety or depression
This study tests an online therapy program for teens aged 13–17 who feel anxious, depressed, or both. The program is designed to help you understand and manage these feelings through short, internet-based sessions, and you can do it from home.
Cluj-NapocaAges 13–17 - NCT06729541Recruiting
Precision treatments for common mental disorders
This study is developing more personalized treatments for schizophrenia, depression, or bipolar disorder. It may help find the best treatment approach for your specific situation.
Beijing, Beijing MunicipalityAges 18–65 - NCT06732089Recruiting
Digital help for stubborn depression
This trial tests a digital program (smartphone app or website) to help people with tough-to-treat depression. If you are already receiving advanced treatments like rTMS, ketamine, or ECT at St. Michael's Hospital, you may be able to join and see if this extra digital support improves your mood.
Toronto, OntarioAges 18 years+ - NCT06740331Recruiting
Thinking and memory study for mood disorders
This study looks at how people with bipolar disorder or depression process social situations, memory, and thinking. It compares patients, their relatives, and healthy volunteers to better understand these conditions.
ReimsAges 18–65 - NCT06793397RecruitingPhase 3
Study of an experimental psychedelic-like drug for depression (CYB003)
This study tests an investigational medication (CYB003) for people with major depression whose current antidepressant isn't working well enough. It looks at whether this treatment can help improve depression symptoms.
Birmingham, AlabamaAges 18–85 - NCT06804525Recruiting
Adapting a mental health survey in Hong Kong
This study adapts a mental health survey for Hong Kong adults. It is open to adults aged 25 and older who live in randomly selected households and can speak Chinese or English.
Hong KongAges 25 years+ - NCT06823492Recruiting
Early life and brain study
This study looks at how your early life experiences may affect your brain and behavior. You would visit the University of Manchester for assessments and help researchers understand these connections.
ManchesterAges 18–25 - NCT06854367Recruiting
Comparing fast vs. standard brain stimulation for depression in older adults
This study tests if a faster form of brain stimulation (accelerated theta burst stimulation) works as well as the standard version for treating depression in adults 60 and older. It may help those who haven't gotten relief from antidepressant medications.
Toronto, OntarioAges 60 years+ - NCT06878859Recruiting
Online program for depression and cannabis use
This study tests a digital (online) program designed to help people who struggle with both depression and cannabis use. If you're feeling down and also using cannabis more than you'd like, this program might help you manage both.
Boston, MassachusettsAges 18 years+
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Common questions
- Are there clinical trials for depressive disorder?
- Yes. Clin2 currently lists 689 recruiting depressive disorder studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a depressive disorder trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a depressive disorder trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.