Clinical trials · Philadelphia, PA
Major Depressive Disorder clinical trials in Philadelphia
We’re tracking 32 recruiting major depressive disorder studies with a site in or near Philadelphia — including Early Phase 1, Phase 2, Phase 3 and Phase 4 studies, each written for real people, not researchers.
Recruiting studies near Philadelphia
- NCT06788249RecruitingEarly Phase 1
Ketamine for treatment-resistant depression brain study
This trial tests whether a single dose of ketamine can quickly improve depression by studying brain chemical changes using MRI. It's for people with treatment-resistant depression who haven't used ketamine before.
Philadelphia, PennsylvaniaAges 25–65 - NCT07196501RecruitingPhase 3
Study of a new add-on treatment for depression maintenance
This trial tests a new medication (NBI-1065845) added to your current antidepressant to see if it helps maintain improvement in depression. It is for people whose depression hasn't fully responded to their current oral antidepressant.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06966401RecruitingPhase 3
Long-term safety study of a new depression treatment
This study tests a new oral medication (NBI-1065845) added to your current antidepressant to see if it's safe and tolerable over a long period for people with depression that hasn't fully responded to treatment.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06559306RecruitingPhase 3
Seltorexant for depression with insomnia symptoms
This trial tests if adding seltorexant to your current antidepressant can improve depression and sleep problems. It is for people with major depressive disorder who still have symptoms, especially insomnia, despite trying at least one antidepressant.
Philadelphia, PennsylvaniaAges 18–74 - NCT07412756RecruitingPhase 3
Brenipatide for major depressive disorder
This trial tests a new medication, Brenipatide, to see if it helps people with major depression who are already on a stable treatment. You would need to inject the study drug yourself and complete questionnaires.
Philadelphia, PennsylvaniaAges 18–75 - NCT06963021RecruitingPhase 3
Study of NBI-1065845 for depression that hasn't fully responded to treatment
This trial tests an investigational drug called NBI-1065845 added to your current antidepressant. It is for people with moderate to severe depression or persistent depressive disorder who have not improved enough with oral antidepressants alone.
Philadelphia, PennsylvaniaAges 18 years+ - NCT07226232RecruitingPhase 3
Psilocybin for veterans with treatment-resistant depression
This study tests whether psilocybin (a psychedelic substance) can help veterans with depression that hasn't improved with standard treatments.
Philadelphia, PennsylvaniaAges 18–75 - NCT05850689RecruitingPhase 3
Lumateperone add-on for major depression that didn’t improve
This study tests whether adding lumateperone to an antidepressant helps adults with major depressive disorder (MDD) who haven’t improved enough after trying at least two different antidepressants. It may help reduce depressive symptoms more than antidepressants alone.
Philadelphia, PennsylvaniaAges 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.
Philadelphia, PennsylvaniaAges 18–85 - NCT06700902Recruiting
Support program for college students with mental health challenges
This study tests a program called 'Taking Action' to help college students with serious mental illnesses manage their health and daily life. If you're a student with a mental health condition, you may be able to join to learn new coping skills through group education.
Philadelphia, PennsylvaniaAges 18 years+ - NCT07159061Recruiting
Brain training for depression using neurofeedback
This study tests whether a brain training technique called neurofeedback can help treat depression. By showing your brain activity in real time on a screen, you may learn to control the brain patterns linked to depression and feel better.
Philadelphia, PennsylvaniaAges 18–65 - NCT07592689RecruitingPhase 3
DT120 Treatment for Major Depression
This study tests whether a new medication called DT120 can help people with moderate-to-severe depression feel better. You'd take the medication for several weeks while doctors track your mood and symptoms.
Philadelphia, PennsylvaniaAges 18–74 - NCT07115329RecruitingPhase 2
Testing Zelquistinel for major depression
This study tests a new oral medication called Zelquistinel (taken as a tablet) against a placebo for treating major depressive disorder. Researchers want to see if it can reduce depression symptoms, especially when other antidepressants haven't been tried or haven't worked.
Philadelphia, PennsylvaniaAges 18–64 - NCT05800925Recruiting
Triage survey to check who can join psychiatry research
This study uses a short questionnaire to figure out who is eligible to join future psychiatry research. It may help people get routed into studies that match their situation and safety needs.
Philadelphia, PennsylvaniaAges 18 years+ - NCT05437705Recruiting
Brain scan and stimulation study for low mood
This study uses brain imaging (MRI) and a brain-stimulation method (TMS) to understand and possibly change brain patterns linked with low mood. You may be eligible if you have moderate to severe depression symptoms and can safely complete the scans and stimulation sessions.
Philadelphia, PennsylvaniaAges 18–65 - NCT06775379RecruitingPhase 3
Azetukalner vs. placebo for major depression
This trial tests an investigational medication called Azetukalner against a placebo to see if it helps reduce symptoms of major depressive disorder. You may qualify if you are currently in a depressive episode that started in adulthood and have not tried or failed only a few antidepressants.
Philadelphia, PennsylvaniaAges 18–74 - NCT06922110Enrolling by invitationPhase 3
Long-term study of azetukalner for depression
This study is for people who already completed a previous trial of azetukalner for major depressive disorder. It tests the long-term safety and effects of continuing the medication.
Cherry Hill, New JerseyAges 18 years+ - NCT07484217RecruitingPhase 3
Testing solriamfetol for depression with daytime sleepiness
This study tests if the drug solriamfetol can help people with major depression who also feel very tired during the day. It aims to improve both mood and daytime sleepiness.
Cherry Hill, New JerseyAges 18–65 - NCT06223880RecruitingPhase 4
AXS-05 vs Bupropion to prevent depression relapse
This study tests whether a new drug called AXS-05 can prevent depression from coming back, compared to an older drug called bupropion. If you have major depression and are at risk of relapse, this trial may help you stay well.
Cherry Hill, New JerseyAges 18–65 - NCT07172516RecruitingPhase 3
Study of azetukalner vs placebo for bipolar depression
This trial tests whether the study drug azetukalner can help reduce depression symptoms in people with bipolar I or II disorder who are currently having a depressive episode. You would be randomly assigned to receive either the drug or a placebo (inactive pill) to see which works better.
Cherry Hill, New JerseyAges 18–74 - NCT07076407RecruitingPhase 3
Testing a new antidepressant pill for depression
This study tests an experimental oral pill called azetukalner against a placebo to see if it safely reduces symptoms of major depressive disorder. It is for adults who are currently in a depressive episode lasting 6 weeks to 2 years and have not already tried multiple antidepressants that failed.
Cherry Hill, New JerseyAges 18–74 - 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.
Media, PennsylvaniaAges 18–75 - NCT05922878RecruitingPhase 2
ALTO-300 study for moderate to severe depression
This trial tests ALTO-300 as an add-on treatment for people with moderate to severe major depressive disorder (MDD). It aims to see whether ALTO-300 helps improve depression symptoms when you’re already on a stable antidepressant.
Media, PennsylvaniaAges 18–70 - NCT06830044RecruitingPhase 3
Adding an experimental drug for major depression
This trial tests if adding a new medicine called milsaperidone can help people with major depression who haven't gotten enough relief from their current antidepressant. It aims to see if the combination works better than the antidepressant alone.
Media, PennsylvaniaAges 18–65
Hear when a new Major Depressive Disorder trial opens near Philadelphia, PA
We’ll email you when one opens near Philadelphia, PA — at most once a week, no account needed, unsubscribe anytime.
Major Depressive Disorder trials in other cities
Where these studies are running near Philadelphia
Institutions with a site for the recruiting major depressive disorder studies listed above.
- Adams Clinical · 5 studies
- University of Pennsylvania · 5 studies
- Lehigh Center for Clinical Research · 4 studies
- Neurocrine Clinical Site · 3 studies
- Clinical Research Site · 2 studies
- Lumina Clinical Research Center · 2 studies
- Center for Emotional Fitness
- Center for Neuromodulation in Depression and Stress
What taking part in a major depressive disorder study involves
A screening visit first
Before anything else, the study team checks whether you fit — usually a visit with some tests. You can stop at any point, and screening is typically free.
Care at a nearby site
Study visits happen at a clinic or hospital taking part. Many studies cover the cost of the study treatment and related visits, and some reimburse travel.
You stay in control
Taking part is voluntary and you can leave a study at any time, for any reason, without affecting your regular care.
The team decides eligibility
Our fit check is a helpful first read, not a decision. The study team makes the final call after reviewing your health history.
Looking wider? See all recruiting major depressive disorder studies in Pennsylvania.
Common questions
- Are there major depressive disorder clinical trials near Philadelphia?
- Yes. We're currently tracking 32 recruiting major depressive disorder studies with a site near Philadelphia, each rewritten in plain language so you can see what it's testing and who it's for.
- How do I find out if I qualify for a major depressive disorder study near Philadelphia?
- Each study lists its eligibility rules — age, diagnosis, prior treatments. On every trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Do I have to live in Philadelphia to take part?
- Not necessarily. These studies have a site near Philadelphia, but eligibility is about your health, not your address — some people travel to take part, and a few studies reimburse travel. The study team can tell you what's required.
- Does it cost anything to join a major depressive disorder trial?
- Using Clin2 is always free. Many trials cover the study treatment and related visits; some reimburse travel. The study team explains exactly what's covered before you decide.
Not the right time?
New major depressive disorder studies open near Philadelphia regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.