Clinical trials
Placebo Effect clinical trials
Below are recruiting placebo effect clinical trials, each written for real people, not researchers. We’re tracking 725 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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+ - 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.
Oakland, CaliforniaAges 55–85 - 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 - 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 - 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 - NCT07546409Recruiting
Do ketones help thinking in older adults with prediabetes?
This study looks at whether a supplement called ketones can improve thinking and memory in older adults who have prediabetes but not diabetes or memory problems. You will take the supplement, have brain scans, and complete thinking tests.
Birmingham, AlabamaAges 60–75 - NCT05188079Recruiting
Test whether quick nitrate supplements change blood vessel function
This study checks how an acute (short-term) nitrate supplement affects how well your blood vessels work. It may help researchers understand whether these effects differ among Hispanic, Black, and White participants, in otherwise healthy adults.
Austin, TexasAges 18–65 - NCT07466108Recruiting
IV paracetamol during emergency abdominal surgery
This trial tests whether giving paracetamol (Tylenol) through a vein during emergency belly surgery helps keep your blood pressure and heart rate stable. It may be an option for adults who are not critically unstable or have certain serious heart conditions.
Cairo, Cairo GovernorateAges 21–65 - NCT06048380RecruitingPhase 3
Ripasudil drops for FED patients having cataract surgery
This trial tests if ripasudil eye drops can help people with Fuchs' endothelial dystrophy (FED) during and after cataract surgery. It aims to see if the drops protect the eye's inner layer and improve recovery.
Singapore, SingaporeAges 50–100 - 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 - NCT07403604RecruitingPhase 1
Lowering Insulin to Reduce Fat Buildup in the Liver
This study tests if lowering insulin levels can reduce fat buildup in the liver for people with a fatty liver condition called MASLD. It's looking for adults who are overweight and have early signs of insulin resistance but not diabetes.
New York, New YorkAges 18–65 - NCT07341750Recruiting
Probiotic study for immune health in school-aged children
This trial tests whether a probiotic called Bacillus Coagulans SNZ 1969 can support the immune health of healthy children aged 6 to 12. Your child would take the probiotic or a placebo daily for a period while keeping their usual routine.
London, OntarioAges 6–12 - NCT07339280Enrolling by invitation
Probiotics for COPD: symptoms, lungs, and inflammation
This study tests whether taking a probiotic can improve symptoms, lung function, and inflammation in people with COPD. It is for adults with stable COPD who have not had a flare-up or treatment change in the last two months.
KarlovacAges 18 years+ - NCT07286188RecruitingPhase 4
Misoprostol for fluid use in fibroid surgery
This study tests if giving misoprostol (a medication given as a rectal suppository) during a hysteroscopic myomectomy helps reduce the amount of fluid used during the surgery. It may lead to a safer procedure for removing small uterine fibroids.
Chicago, IllinoisAges 18–50 - 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+ - NCT06903546RecruitingPhase 4
Propolis for cholesterol in type 2 diabetes
This trial tests if taking propolis (a bee product) can help lower cholesterol in people with type 2 diabetes. It is for those whose diabetes is well-controlled and who are already on cholesterol medication.
JakartaAges 35–59 - NCT07214155RecruitingPhase 1
How different cannabis strains affect your experience
This study tests different strains of cannabis to see how they change your perception, feelings, and behavior. It may help you understand how cannabis affects you personally.
Baltimore, MarylandAges 21–55 - 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 - 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 - NCT06069531Recruiting
Probiotic or White Pomegranate for Vaginal Health
This study tests whether taking a probiotic (Lactobacillus Johnsonii) or a white pomegranate extract can improve vaginal health in women with an imbalance in vaginal bacteria. It aims to find a natural way to support a healthy vaginal environment.
TaichungAges 20–45 - NCT07088302Recruiting
Lactase enzyme for feeding intolerance in preterm babies
This trial tests if giving lactase enzyme supplements helps preterm babies (born at or before 32 weeks) tolerate their feedings better. If your baby was born early and started feeding within the first few days of life, this study may be a good fit.
AlexandriaAges 3 days–1 month - NCT07039747RecruitingPhase 2
Can a dietary supplement help people with irritable bowel syndrome?
This trial is testing if a dietary supplement can reduce symptoms of irritable bowel syndrome (IBS). You might qualify if you have been diagnosed with IBS, have moderate to severe symptoms, and are between 18 and 75 years old.
Rouen, FranceAges 18–75 - NCT06965426Recruiting
Eye vitamins and skin test: a crossover study
This study tests whether a supplement containing lutein, zeaxanthin, and meso-zeaxanthin can increase the amount of these nutrients in your skin. You will take the supplement and a placebo at different times to see if there is a difference.
Kansas City, MissouriAges 18 years+
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Common questions
- Are there clinical trials for placebo effect?
- Yes. Clin2 currently lists 725 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.