Clinical trials
Major Depressive Disorder clinical trials
Below are recruiting major depressive disorder clinical trials, each written for real people, not researchers. We’re tracking 510 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07573176RecruitingPhase 3
Seltorexant for Depression in Adults and Older Adults
This study tests a new medication called seltorexant as a standalone treatment for major depression. The trial is for adults and older adults who have depression that hasn't improved with other antidepressants or who haven't tried them yet.
Bryant, ArkansasAges 18–74 - NCT07227454RecruitingPhase 3
Esketamine for teens with severe depression and suicidal thoughts
This trial tests if esketamine (a nasal spray) can quickly reduce symptoms of major depression and suicidal thoughts in teenagers who need urgent hospital care.
Birmingham, AlabamaAges 12–17 - NCT05895747RecruitingPhase 2
5-HTP and creatine for adults with depression symptoms
This Phase 2 study tests whether adding 5-HTP and creatine can reduce depression symptoms in adults with major depressive disorder. It may help if your current depression treatment hasn’t been fully effective and you meet the safety and medical criteria.
Salt Lake City, UtahAges 18–65 - NCT07779707Recruiting
Medically tailored groceries for depression and food insecurity
This study tests whether getting free, healthy groceries tailored to your medical needs can help improve symptoms of depression. If you are struggling with both depression and having enough food, this program might give you extra support.
Worcester, MassachusettsAges 18 years+ - 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 - NCT07300969RecruitingPhase 2
Testing DT-101 for adults with depression
This trial tests a new medicine called DT-101 to see if it helps people with depression. It is for adults who have had more than one depressive episode in their life.
Bentonville, ArkansasAges 18–75 - NCT04999553Recruiting
Comparing brain stimulation on left vs right side for depression
This study tests whether delivering a type of brain stimulation to the left side of the head is as effective as delivering it to the right side for treating major depression. The treatment is called transcranial magnetic stimulation (TMS), which uses magnetic pulses to stimulate brain areas involved in mood.
Vancouver, British ColumbiaAges 18–65 - NCT07783633Enrolling by invitation
Digital tools for mood disorders study
This study looks at whether using digital tools, like apps or online programs, can help people with mood disorders like depression or bipolar disorder. It aims to find markers that show who might benefit most from these tools.
Toronto, OntarioAges 16 years+ - NCT07480525Recruiting
Escitalopram for first-time depression
This trial tests whether escitalopram, a common antidepressant, helps people who are experiencing their first episode of depression and have never taken medication for it. It also looks at how the drug works in the brain.
Beijing, Beijing MunicipalityAges 18–65 - NCT06898879Recruiting
Working together to improve mental health care for veterans
This study is for veterans getting mental health support through VA programs. It tests a way to improve teamwork between veterans and their care teams to make the care better.
San Diego, CaliforniaAges 18 years+ - NCT06523439Recruiting
Brain stimulation for depression in young people
This study tests a new type of brain stimulation called accelerated intermittent theta burst stimulation (aiTBS) in young people (ages 13-20) with depression who have not tried many treatments before. The goal is to see if this treatment can safely help reduce depression symptoms.
Austin, TexasAges 13–20 - NCT06093906Recruiting
Positive processes and transition to health (PATH) study
This study tests a new therapy that may help people recover after a stressful life event. Over about 6 weeks, you'll work with a coach to retrain your brain's patterns and feel more in control again, as well as reconnect with positive activities.
Newark, DelawareAges 18–65 - NCT07203144RecruitingPhase 2
Selenium for depression in teens
This study tests whether taking selenium (a mineral found in some foods) can help improve depression symptoms in young people. Participants will take selenium supplements and have their mood and brain activity monitored over time.
Chongqing, Chongqing MunicipalityAges 12–18 - NCT07161700Enrolling by invitationPhase 2
Long-term safety study of SPT-300 for major depression
This study is for people who finished the earlier BUOY-1 study of SPT-300 and want to continue treatment. It tests the long-term safety and tolerability of SPT-300 for major depressive disorder, with or without anxious distress.
Chino, CaliforniaAges 18–66 - NCT07185451Recruiting
Brain stimulation for teens with depression
This trial tests if a gentle electrical brain stimulation called tACS can help teens with depression who are already on stable medication. The treatment is added to their usual medication to see if it improves mood.
Chongqing, Chongqing MunicipalityAges 12–18 - NCT07065240RecruitingPhase 2
Study of SPT-300 for major depression with or without anxiety
This trial tests an experimental oral medication, SPT-300, for people with major depressive disorder, even if they also have mild anxiety. The goal is to see if it helps improve mood safely.
Chino, CaliforniaAges 18–65 - NCT05669703Recruiting
Tracking mood and activity patterns in bipolar disorder families
This study watches how a person’s mood and movement change over time, and how those patterns relate to bipolar disorder. It may help researchers better understand the condition in families and potentially improve future care.
Bethesda, MarylandAges 8–70 - NCT06103760RecruitingPhase 4
Esketamine for hard-to-treat depression
This study tests whether esketamine, a nasal spray for depression, can help adults whose depression has not improved with at least two other antidepressants. Participants continue their current treatment while receiving esketamine.
St Leonards, New South WalesAges 18–65 - NCT07610473RecruitingPhase 2
Testing DT-101 as an add-on for depression
This trial tests if a new medication, DT-101, can help when added to your current depression treatment. It's for adults with recurrent depression who may need extra support.
Phoenix, ArizonaAges 18–75 - NCT07120880RecruitingPhase 3
Light therapy timing for depression with insomnia
This trial tests whether giving light therapy at a specific time of day can improve both depression and sleep problems. It is for adults with major depression and insomnia who are not currently on antidepressants.
ParisAges 18–65 - NCT06529029RecruitingPhase 2/Phase 3
Comparing new low-pulse ECT to standard ECT for depression
This trial tests a new type of seizure therapy (low amplitude pulse seizure therapy) against the standard ultra-brief right unilateral ECT for people with severe depression, including those with suicidal thoughts. The goal is to see which treatment works better.
Grand Rapids, MichiganAges 18–90 - NCT07757997Recruiting
Recovery and work after stress treatment
This study checks how people who completed a hospital program for stress-related issues are doing over time, focusing on their health and ability to work. It aims to understand the long-term effects of the treatment.
SüsAges 18–80 - NCT04556890Recruiting
Brain stimulation for treatment-resistant depression and chronic pain
This study tests a non-invasive brain stimulation treatment, called transcranial magnetic stimulation (TMS), to see if it can help people who have both major depression that hasn't improved with medication and chronic pain from fibromyalgia or chronic fatigue syndrome. It aims to reduce both depression and pain symptoms.
Los Angeles, CaliforniaAges 18–75 - NCT04870255Recruiting
Brain stimulation for depression in borderline personality disorder
This study tests a type of brain stimulation called rTMS to see if it can help improve mood in people who have both depression and borderline personality disorder. It may offer a new treatment option for those who haven't tried TMS before.
Stanford, CaliforniaAges 18–80
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Major Depressive Disorder trials by city
Studies with a site in or near these metro areas.
Major Depressive Disorder trials by state
Studies with a site anywhere in these states.
Common questions
- Are there clinical trials for major depressive disorder?
- Yes. Clin2 currently lists 510 recruiting major 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 major 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 major 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.