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
- NCT03789552RecruitingPhase 3
Testing T89 to prevent chest pain during stable angina
This Phase 3 trial tests whether T89 reduces angina (chest pain caused by heart-related reduced blood flow) in people with stable angina. You may help confirm the treatment’s benefit by completing symptom tracking and exercise heart tests over several weeks.
Naples, FloridaAges 18–90 - NCT06942117Recruiting
Caffeine's effect on understanding speech in noise
This trial tests whether drinking caffeine helps young adults hear speech better in noisy places. If you have normal hearing, don't smoke, and don't have certain health issues, you might be able to join.
Istanbul, IstanbulAges 18–30 - NCT07133477Recruiting
Fish oil for skin health
This study tests whether taking fish oil concentrate can improve skin function in adults who have sensitive, redness-prone skin. If you're between 35 and 65 and have skin that easily gets dry or red, this might be a good fit.
CardiffAges 35–65 - NCT07094516RecruitingPhase 2
Testing VHB937 for early Alzheimer's disease
This trial tests a new medicine, VHB937, in people with early Alzheimer's (mild cognitive impairment or mild dementia). The goal is to see if it can slow down memory loss and thinking problems.
Phoenix, ArizonaAges 50–85 - NCT07013097RecruitingPhase 1
Testing PG-033 in healthy adults: a first-in-human study
This trial tests a single dose of a new medicine called PG-033 in healthy adults. It checks how the drug moves through the body and how food affects it, to find the safest starting dose for future studies.
Beijing, Beijing MunicipalityAges 18–45 - NCT06904287RecruitingPhase 3
Magnesium for migraine treatment in adults
This trial tests if adding magnesium to a standard migraine medication (prochlorperazine) helps treat migraines more effectively. It could be a good option for adults with migraines who haven't taken these drugs recently.
Oak Lawn, IllinoisAges 18 years+ - NCT06889961Recruiting
Daily mixed spice consumption for memory health
This trial tests whether eating a mix of spices every day can help improve memory in older adults with mild memory changes. If you are between 50 and 80 and have no major health conditions, you may be able to join.
Los Angeles, CaliforniaAges 50–80 - NCT06743243Enrolling by invitationPhase 4
Tegoprazan for planned surgery patients under general anesthesia
This trial tests whether a stomach-acid-reducing drug (tegoprazan) helps prevent complications during planned surgeries under general anesthesia. It is for adults aged 20–69 with a non-emergency surgery and a BMI under 35.
SeoulAges 20–69 - NCT06528262RecruitingPhase 4
Study of enavogliflozin to prevent atrial fibrillation return after heart ablation
This trial tests if enavogliflozin, a diabetes drug, can help prevent atrial fibrillation (an irregular heartbeat) from coming back after a catheter ablation procedure in people with heart failure. If you've recently had or are planning this procedure, this study may offer a new way to keep your heart rhythm steady.
SeoulAges 19–84 - NCT06513208RecruitingPhase 4
Ketorolac for pain after lower back fusion surgery
This trial tests if a non-steroidal anti-inflammatory drug (NSAID) called ketorolac can help reduce pain after lower back fusion surgery. It is for people who are having elective surgery to fuse one or two bones in their lower back.
Towson, MarylandAges 18–85 - NCT05616819Recruiting
Morning light program to improve mood in some service members
This study tests whether getting morning light exposure can improve mood for service members who currently have mild or more depression symptoms. You’d follow a plan for morning light over about 6 weeks, and the researchers check changes in mood.
Tucson, ArizonaAges 18–60 - NCT05955066RecruitingPhase 4
Testing a JAK inhibitor to help RA joint erosion heal
This Phase 4 study tests whether a JAK inhibitor (baricitinib) can improve how RA-related bone erosion heals. You might be eligible if you have rheumatoid arthritis that is still active despite methotrexate treatment, and you meet the specific safety and medication history rules.
Hong Kong, Hong KongAges 18–65 - NCT05598112RecruitingEarly Phase 1
Oral stool-based microbiome treatment for healthy aging
This early-stage study tests whether changing the gut bacteria using an oral stool-based treatment (called oral FMT) can improve health in older adults. It aims to see if this approach affects aging-related changes, including gut and body function.
Beijing, Beijing MunicipalityAges 70–85 - NCT05498116RecruitingPhase 4
Montelukast to improve kidney and blood vessel function in type 1 diabetes
This trial tests whether montelukast, a medicine commonly used for allergies, can improve kidney health and blood vessel function in adults with long-term type 1 diabetes. You may join a treatment group and have kidney and circulation measurements taken over the study period.
Aurora, ColoradoAges 18–80 - NCT05098704RecruitingPhase 2/Phase 3
Clopidogrel to help prevent systemic sclerosis in high-risk people
This study tests whether the medicine clopidogrel can lower the chance of developing systemic sclerosis in adults who have certain blood antibodies and symptoms that suggest higher risk. If you qualify, you would take clopidogrel for the study to see whether it delays or prevents the disease.
BayonneAges 18–85 - NCT04395196RecruitingPhase 2
Prenatal choline for pregnancy after alcohol exposure
This trial tests whether taking a choline supplement during pregnancy can reduce harmful effects on the baby when a person drinks heavily while pregnant. It may help support healthier pregnancy and baby outcomes for those who meet the study’s drinking and nutrition criteria.
Cape Town, Western CapeAges 18–45 - NCT07212803RecruitingPhase 4
Energy drinks study for young healthy adults
This study looks at how energy drinks affect your heart. It compares the effects of two different energy drinks on heart rate and other heart measures. You will have several short visits where you drink an energy drink and get your heart checked.
Stockton, CaliforniaAges 18–40 - NCT04043520RecruitingPhase 4
Menopause, aging, and energy study
This study looks at how menopause and aging affect the body's energy use. It tests a hormone medication to see how it changes energy levels in healthy women who are recently past menopause.
Aurora, ColoradoAges 40–65 - NCT05865470RecruitingPhase 1
How age affects smoked and oral THC effects
This early-stage study compares how people in different age groups respond to THC taken by smoking versus by mouth. It aims to understand age-related differences in effects and safety, which could help guide safer use in the future.
Los Angeles, CaliforniaAges 18–65 - NCT06782373RecruitingPhase 2
Pacritinib for VEXAS syndrome
This trial tests whether the drug pacritinib can safely reduce inflammation and improve symptoms in people with VEXAS syndrome, a rare genetic condition that causes inflammation in various parts of the body. It may be a new treatment option for those who still have inflammation despite taking steroids.
Scottsdale, ArizonaAges 18 years+ - NCT05553652Recruiting
A probiotic test for repeat bladder infections
This trial studies ASTARTE™, a probiotic, to see if it can reduce repeat urinary tract infections (UTIs). It may help people who get UTIs often by testing whether the supplement lowers how frequently they come back.
Hvidovre, CopenhagenAges 18–40 - NCT07807020Enrolling by invitationPhase 1/Phase 2
Lower-dose pain medication for knee replacement surgery
This study tests whether a lower dose of a pain medication given through spinal anesthesia can provide good pain relief after knee replacement surgery with fewer side effects. It may help reduce risks like low blood pressure or slow heart rate.
Islamabad, FederalAges 18–60 - NCT05708859RecruitingPhase 4
Tirzepatide to slow plaque buildup in coronary arteries
This trial studies tirzepatide to see if it can slow the progression of coronary artery plaque in people with type 2 diabetes. It uses special heart CT scans to track changes over time.
Torrance, CaliforniaAges 40–80 - NCT07675200Recruiting
Miricell study on healthy aging and cell cleanup
This study tests whether a supplement called Miricell can improve markers of healthy aging and help your cells clean out damaged parts. If you are healthy, between 40 and 70 years old, and willing to follow a specific diet and visit schedule, you may be able to join.
Canfield, OhioAges 40–70
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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.