Clinical trials · Riverside–San Bernardino, CA
Major Depressive Disorder clinical trials in Riverside–San Bernardino
We’re tracking 44 recruiting major depressive disorder studies with a site in or near Riverside–San Bernardino — including Early Phase 1, Phase 1/Phase 2, Phase 2 and Phase 3 studies, each written for real people, not researchers.
Recruiting studies near Riverside–San Bernardino
- 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.
Orange, CaliforniaAges 18–74 - 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.
Orange, CaliforniaAges 18–85 - 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.
Mission Viejo, CaliforniaAges 18–70 - NCT07276997RecruitingPhase 2
Study of Icalcaprant for major depressive disorder
This trial tests an oral medication called icalcaprant for adults with major depressive disorder (MDD). It aims to see if the drug can reduce depression symptoms and what side effects may occur.
Anaheim, CaliforniaAges 18–65 - NCT06911112RecruitingPhase 3
A new pill for depression when current treatment isn't working well enough
This trial tests an investigational medication (NBI-1065845) added to your current antidepressant to see if it can improve depressive symptoms. It is for people with moderate to severe depression who have not fully responded to their current antidepressant.
Irvine, CaliforniaAges 18 years+ - NCT07226661RecruitingPhase 2
Study of an investigational drug for depression
This trial tests an investigational medication for adults with major depressive disorder who are currently taking an antidepressant but still have symptoms. It aims to see if adding this new drug can improve mood better than a placebo.
Garden Grove, CaliforniaAges 18–70 - NCT06605105Enrolling by invitationPhase 3
Long-term extension trial of CYB003 for depression
This long-term study is for people who already completed an earlier trial of the experimental drug CYB003 for major depression and who stayed on their regular antidepressant. It looks at the safety and effects of taking CYB003 again over many months.
San Juan Capistrano, CaliforniaAges 18–85 - NCT06002100Enrolling by invitation
Predicting depression treatment response with brain imaging
This study uses a special headband (TD-fNIRS) that measures brain activity to see if it can predict how well different depression treatments work. You would be starting a new treatment for depression (like ketamine, SPRAVATO, TMS, or antidepressants) and wear the headband before and during treatment.
Costa Mesa, CaliforniaAges 18–75 - 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.
Costa Mesa, CaliforniaAges 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.
Pico Rivera, CaliforniaAges 18–65 - NCT04509102Enrolling by invitationEarly Phase 1
Test added stimulant medicine with rTMS for depression
This early study tests whether adding a stimulant medicine to repetitive TMS (a non-drug brain stimulation) can improve depression. It is aimed at people whose depression has not improved after at least two antidepressant tries.
Los Angeles, CaliforniaAges 18–65 - NCT04040062Enrolling by invitation
Tested deep brain–stimulating treatment for hard-to-treat depression
This study tests a specialized type of magnetic brain stimulation (spectral TMS) to treat severe major depression when standard treatments haven’t worked. You may be eligible if you’ve tried several antidepressants and other add-on treatments but still have symptoms.
Los Angeles, CaliforniaAges 18–65 - NCT05598034Recruiting
Brain stimulation with tDCS for moderate depression
This study tests whether a noninvasive brain stimulation called tDCS can improve depression symptoms. It also uses MRI scans, aiming to understand how brain changes may relate to symptom improvement.
Los Angeles, CaliforniaAges 20–55 - NCT05645575Recruiting
Inpatient TMS for treatment-resistant depression
This study tests an in-hospital brain stimulation treatment (TMS) for people with moderate to severe depression who did not improve after multiple antidepressant treatments. It may help your mood by targeting brain circuits involved in depression, and you would follow an intensive accelerated schedule.
Los Angeles, CaliforniaAges 18–65 - NCT06572683Enrolling by invitation
Novel TMS for hard-to-treat depression
This trial tests a new type of transcranial magnetic stimulation (TMS) for people with severe depression that hasn't improved with multiple medications or therapy. It uses a different frequency pattern to target brain circuits.
Los Angeles, CaliforniaAges 21–75 - NCT07281352RecruitingPhase 1/Phase 2
Psilocybin therapy for depression
This study tests if psilocybin (a psychedelic) combined with cognitive behavioral therapy (CBT) can help people with major depression. You would receive the psilocybin in a supervised setting and have talk therapy before and after.
Los Angeles, CaliforniaAges 21–60 - NCT06345859RecruitingPhase 2
Brain and emotion study for young adults with or without depression history
This study looks at how the brain regulates mood and body signals in young adults ages 18-27. It includes people who have had depression in the past but are now well, as well as healthy volunteers with no psychiatric history.
Los Angeles, CaliforniaAges 18–27 - NCT07294924Recruiting
Predicting depression treatment response with brain imaging
This study uses a special brain-imaging headband to see if it can predict how well people with depression respond to a treatment called accelerated rTMS (a type of brain stimulation). It compares results with people who do not have depression.
Los Angeles, CaliforniaAges 18–75 - NCT04556890Recruiting
Brain stimulation for depression with chronic pain
This study tests a brain-stimulation treatment to help people with moderate depression and ongoing (chronic) pain. It focuses on people whose depression has not improved after multiple antidepressant treatments and added therapy steps.
Los Angeles, CaliforniaAges 18–75 - NCT06175104Recruiting
HeartGPS: Support for parents after a prenatal heart diagnosis
This study tests a counseling program for parents whose unborn baby has a serious heart condition called single ventricle. The program aims to help parents manage stress and support their baby's development before and after birth.
Los Angeles, CaliforniaAges 18 years+
Hear when a new Major Depressive Disorder trial opens near Riverside–San Bernardino, CA
We’ll email you when one opens near Riverside–San Bernardino, CA — at most once a week, no account needed, unsubscribe anytime.
Major Depressive Disorder trials in other cities
Where these studies are running near Riverside–San Bernardino
Institutions with a site for the recruiting major depressive disorder studies listed above.
- University of California, Los Angeles (UCLA) · 8 studies
- Inland Psychiatric Medical Group · 3 studies
- ATP Clinical Research · 2 studies
- Accellacare
- Advanced Research Center (ARC), Inc.
- Adverum Clinical Site 215
- Bespoke Treatment
- BrainHealth Solutions
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 California.
Common questions
- Are there major depressive disorder clinical trials near Riverside–San Bernardino?
- Yes. We're currently tracking 44 recruiting major depressive disorder studies with a site near Riverside–San Bernardino, 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 Riverside–San Bernardino?
- 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 Riverside–San Bernardino to take part?
- Not necessarily. These studies have a site near Riverside–San Bernardino, 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 Riverside–San Bernardino regularly. Set up a health profile and we’ll quietly watch for studies that fit you and email you when one opens.