Clinical trials
Placebo Effect clinical trials
Below are recruiting placebo effect clinical trials, each written for real people, not researchers. We’re tracking 754 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05825092RecruitingPhase 2
Early testosterone gel for people on breathing machines
This Phase 2 study tests whether starting testosterone gel soon after ICU admission can improve physical performance in critically ill adults who need a breathing machine for more than 48 hours. It’s also designed to check safety in this setting.
BordeauxAges 18–79 - NCT05664516RecruitingPhase 2
Oxytocin treatment study for binge eating disorder adults
This Phase 2 trial tests whether oxytocin (a hormone-like medication) can reduce binge-eating symptoms in adults with binge-eating disorder (including related conditions like bulimia or certain feeding/eating disorders). You may be eligible if your symptoms match the trial’s specific diagnosis rules and you can safely take the study medication.
Boston, MassachusettsAges 18–70 - 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 - NCT07688213RecruitingPhase 2
Study of an investigational drug for early Alzheimer's disease
This trial tests an investigational injection for people in the early stages of Alzheimer's. It aims to see if the drug can safely slow down memory loss and brain changes.
The Villages, FloridaAges 55–85 - NCT07168772Recruiting
Probiotic supplement for multiple sclerosis
This study tests whether adding a probiotic supplement to your usual MS treatment (or to no treatment) can help manage relapsing-remitting multiple sclerosis. It aims to see if the probiotic is safe and beneficial as an add-on therapy.
Barcelona, BarcelonaAges 18–60 - NCT05071131Recruiting
Inulin supplement to improve gut health in kidney disease
This trial studies whether taking inulin—a dietary fiber—can improve gut bacteria and the gut barrier in people with end-stage kidney disease on hemodialysis. It may help reduce gut-related problems that can affect overall health in kidney disease.
BerlinAges 18–75 - NCT06122207Recruiting
Probiotic for women with fertility issues and IVF
This study tests whether a probiotic (a pill with beneficial bacteria) can help improve the health of the female genital tract for people with fertility problems who are undergoing IVF. It aims to see if this can improve chances of pregnancy.
LisbonAges 18–45 - NCT06082037RecruitingPhase 3
Testing belumosudil for chronic lung allograft dysfunction after transplant
This trial tests an oral medication called belumosudil for people with chronic lung allograft dysfunction (CLAD) after a double lung transplant. It may help slow the decline in lung function.
Birmingham, AlabamaAges 18 years+ - NCT05526196Recruiting
Study how cannabis and tobacco affect reaction and feelings
This study tests how cannabis and tobacco—used together or separately—affect your thinking speed, how you feel, and body responses. You may help researchers understand these effects under controlled conditions, which could be useful for safer use and treatment decisions.
Toronto, OntarioAges 19–45 - NCT07602933Recruiting
Light Therapy for Muscle Fatigue from Electrical Stimulation
This study tests whether light therapy can reduce muscle fatigue and damage caused by electrical muscle stimulation. Researchers want to see if this non-invasive light treatment helps muscles recover faster.
Porto Alegre, Rio Grande do SulAges 18–45 - NCT07263789Recruiting
Food supplement for better blood sugar
This study tests a food supplement to see if it helps keep blood sugar levels healthier in people with slightly high blood sugar (pre-diabetes). If you qualify, you would take the supplement and have your blood sugar checked over time.
Pavia, LombardyAges 18 years+ - NCT07399171RecruitingPhase 2
Testing HT-4253 to prevent Alzheimer's in APOE4 carriers
This trial tests an experimental drug called HT-4253 to see if it can prevent Alzheimer's disease in people who are at higher genetic risk (carry the APOE4 gene) and have early signs of amyloid buildup in the brain. If you qualify, you would take the drug or a placebo and be monitored over time.
Abu Dhabi, Abu Dhabi EmirateAges 50–75 - NCT07656415RecruitingPhase 3
Study of mitapivat for sickle cell disease patients who need blood transfusions
This study tests whether a daily pill called mitapivat can reduce the number of blood transfusions you need. It is for people with sickle cell disease who have had at least one transfusion in the past year and are not on regular transfusion therapy.
Indianapolis, IndianaAges 12 years+ - NCT07629999RecruitingPhase 1
Safety study of experimental drug BMS-986533 in healthy people
This early-stage study tests how a new experimental drug (BMS-986533) is processed and tolerated by healthy volunteers. Researchers will also check how food and stomach acid affect the drug, and whether it interacts with other medications.
Lincoln, NebraskaAges 18–55 - NCT04789148RecruitingPhase 1
Nasal oxytocin trial for people with hormone deficiency
This early-phase study tests whether a spray of oxytocin in the nose can be given safely and may affect symptoms in people with arginine-vasopressin deficiency. You might qualify if your hormone levels are stable and you can safely take the nasal study medicine during the study period.
Boston, MassachusettsAges 18 years+ - NCT04873011RecruitingPhase 1
Quinine in overweight women to change hunger and gut hormones
This early study tests whether quinine affects hunger and digestion-related gut hormones in women who are mildly overweight. It may help researchers understand how the body controls appetite, but it is mainly to check effects and safety.
Leuven, Vlaams-BrabantAges 18–65 - NCT04917471Recruiting
Testing nitrate to improve red blood cell function in type 2 diabetes
This study looks at whether taking nitrate can improve how red blood cells work in people with type 2 diabetes. You may be asked to follow a specific plan and avoid certain foods or medicines that could affect the results.
StockholmAges 18 years+ - NCT04601038RecruitingPhase 2
Testing a stress-blocking drug for early Alzheimer's risk
This study tests a new medication, CORT108297, that may help protect the brain from the harmful effects of stress in people at risk for Alzheimer's disease. It is looking for adults age 55 and older who either have mild memory problems or are healthy but have a family history, APOE4 gene, or memory concerns.
Baltimore, MarylandAges 55 years+ - NCT05100381Recruiting
Dry needling for long-lasting lower back muscle pain
This study tests whether dry needling (thin needles placed into specific muscles) can reduce moderate, long-lasting lower back pain. It focuses on people who have pain from trigger points in a specific back muscle, rather than pain caused by other medical problems.
Tehran, Tehran ProvinceAges 18–45 - NCT05282277RecruitingPhase 4
Estradiol to improve brain and reward changes in midlife women
This study tests whether a hormone called estradiol (given as a patch and pill) changes how the brain and body respond to reward in some midlife women with low pleasure and/or psychosis symptoms during menopause transition. It may help researchers understand whether estrogen treatment can improve mood-related “reward” function in this group.
Chapel Hill, North CarolinaAges 45–55 - NCT05512234Recruiting
Probiotic drops to reduce crying in breastfed baby colic
This trial tests whether probiotic Limosilactobacillus reuteri (a specific friendly gut bacteria) can shorten how long a baby cries when they have colic. If you join, you’ll keep feeding as usual and track crying in a diary across several visits.
CorkAges 3 weeks–2 months - NCT05681299RecruitingPhase 4
Testing growth hormone and liraglutide effects on hunger hormones
This study tests how growth hormone (GH) and liraglutide affect a hunger-related hormone system called AgRP. It compares effects in healthy people (lean or overweight) and in people with isolated GH deficiency, aiming to understand how these treatments change appetite and metabolism.
New York, New YorkAges 18–45 - NCT05701969RecruitingEarly Phase 1
Melatonin for sleep during night shifts in residents
This early study tests whether melatonin can improve sleep patterns for doctors-in-training during overnight “night float” shifts. It may help you feel more rested and adjust to night work.
Charlottesville, VirginiaAges 18 years+ - 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
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Common questions
- Are there clinical trials for placebo effect?
- Yes. Clin2 currently lists 754 recruiting placebo effect 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 placebo effect 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 placebo effect 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.