Clinical trials
Placebo Effect clinical trials
Below are recruiting placebo effect clinical trials, each written for real people, not researchers. We’re tracking 756 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07051655Recruiting
Ketone drink for thinking and memory
This study tests whether a drink containing ketones (a natural energy source for the brain) can improve thinking and memory. It involves three groups: people with obesity, lean people, and athletes.
Birmingham, AlabamaAges 19–55 - NCT06544915Recruiting
Synbiotic vs. probiotic for heart and gut health
This study tests whether a synbiotic (a combination of probiotics and prebiotics) is better than a probiotic alone or a placebo for improving gut health and heart health. If you are a healthy adult who hasn't taken antibiotics recently and has few heart disease risk factors, you may be able to join.
Saratoga Springs, New YorkAges 18–60 - NCT06548204RecruitingPhase 2
Antihistamine after a heart attack
This trial tests whether taking an antihistamine medicine called fexofenadine hydrochloride can help people recover better after a heart attack. It is a randomized study, so some participants will receive the medicine and others will receive a placebo (a pill with no active ingredients).
Hangzhou, ZhejiangAges 18 years+ - NCT07684820RecruitingPhase 2
A study of ExPD-101 for COPD with chronic bronchitis and frequent flare-ups
This study tests an experimental drug (ExPD-101) given daily as a pill for 52 weeks for people with COPD who have chronic bronchitis and frequent flare-ups. It compares the drug to a placebo (inactive pill) to see if it reduces flare-ups and improves symptoms.
Phoenix, ArizonaAges 40–85 - NCT04020263RecruitingPhase 3
Levosimendan early treatment vs placebo for cardiogenic shock
This study tests whether giving levosimendan early (a heart-strengthening medicine) improves outcomes compared with placebo, on top of standard inotropic support, in people with cardiogenic shock. It mainly looks at whether patients have fewer serious complications or deaths.
Strasbourg, Bas-RhinAges 18 years+ - NCT06308367RecruitingPhase 2
Betaine for syringomyelia when other treatments failed
This trial tests if betaine can help people with syringomyelia who cannot have or did not benefit from standard surgery. You must be able to swallow tablets and have a life expectancy over 12 months.
Beijing, Beijing MunicipalityAges 18–80 - NCT07074002RecruitingPhase 2
Study of a new drug for essential tremor
This trial tests a new study drug (BP1.4979) to see if it can reduce shaking in people with essential tremor. It's for people who have had arm tremors for at least 3 years and have not had surgery for tremor.
AmiensAges 18–85 - NCT06270407RecruitingPhase 4
Tranexamic acid for fewer complications in plastic surgery
This study tests whether applying tranexamic acid directly to the skin during plastic surgery reduces bleeding or other complications compared to a placebo. It may help you heal better after your procedure.
VejleAges 18 years+ - NCT07108777RecruitingPhase 2
L-carnitine to protect kidneys during cisplatin chemo
This trial tests if a supplement called L-carnitine can help prevent kidney damage caused by the chemotherapy drug cisplatin. It may be an option for newly diagnosed cancer patients who need cisplatin treatment.
Shibīn al KawmAges 18–75 - NCT07195552Recruiting
Quick immune effects study for healthy adults
This study tests a product that may quickly affect your immune system. It is for healthy adults who can follow a simple routine and have easy-to-find veins for blood draws.
Klamath Falls, OregonAges 18–75 - NCT07109245RecruitingPhase 4
Do antipsychotics block insulin action in the brain?
This study tests whether a single dose of a common antipsychotic medication affects how the brain responds to insulin, which could help explain weight gain and metabolic side effects. Healthy young adults will receive either the antipsychotic or a placebo, then have their brain activity measured with an MRI.
Toronto, OntarioAges 18–35 - NCT06686693RecruitingPhase 4
IV iron and exercise at high altitude
This study tests whether giving iron through a vein helps you perform better at high altitude. It may help you if you are a healthy adult who exercises regularly.
Natick, MassachusettsAges 18–40 - NCT06459310RecruitingPhase 2
Testing metformin to slow aging in healthy men
This study tests whether metformin can help slow aging in healthy men. You might be eligible if you are a man in one of two age groups and do not have major health problems.
BeijingAges 18–65 - NCT07526506RecruitingPhase 1
TRX-100 safety and how food affects it in healthy adults
This early-stage study tests a new drug called TRX-100 in healthy volunteers to see if it's safe and how the body processes it, especially when taken with food. The trial helps researchers understand the drug's basic safety profile before testing it in people with medical conditions.
Randwick, New South WalesAges 18–65 - NCT04325958Recruiting
Test how cannabis affects driving in different age groups
This study looks at how smoked cannabis changes driving performance when compared across two age groups. It may help researchers understand safety risks and differences by age.
Toronto, OntarioAges 19–45 - NCT07022366Recruiting
Brain effects of a serotonin blocker in healthy adults
This study tests how a drug that blocks a serotonin receptor affects thinking, memory, and mood. It helps researchers understand the role of serotonin in the brain.
OxfordAges 18–45 - NCT07364565Recruiting
Green tea mouthwash for plaque and gum health
This trial tests whether a pure green tea mouthwash can reduce plaque and gum inflammation better than a placebo or an essential oils mouthwash. It may be a good option if you have healthy gums and are looking for a natural alternative.
Irbid, Irbid GovernorateAges 18 years+ - NCT04025359RecruitingEarly Phase 1
Test dronabinol for pain responses in people on opioid treatment
This early-stage study tests whether dronabinol (a form of THC) changes pain perception in people with opioid use disorder who are already stable on methadone or buprenorphine. It may help researchers understand whether this treatment affects pain and drug-related outcomes in a safer, controlled way.
West Haven, ConnecticutAges 18–70 - NCT03228732RecruitingEarly Phase 1
Fluoxetine and/or DHEA in people with type 1 diabetes
This early-stage study tests whether the medicines fluoxetine and/or DHEA can improve health in adults with type 1 diabetes. It’s mainly looking for people without major diabetes complications or major medical problems to safely study the effects.
Baltimore, MarylandAges 18–50 - NCT07699120Enrolling by invitationPhase 1
Testing BRC-002 safety in healthy volunteers
This trial checks how safe BRC-002 is in healthy people and how it affects the body with and without food. It helps researchers understand the right dose and any side effects.
Toronto, OntarioAges 18–55 - NCT06213324RecruitingPhase 4
Ketamine's effects on brain circuits in depression
This trial studies how ketamine affects brain circuits in people with depression compared to healthy volunteers. It involves a single infusion of ketamine and brain scans before and after.
New York, New YorkAges 18–65 - NCT06230861Recruiting
Quercetin for Heart and Metabolic Health
This trial tests whether a natural plant compound called quercetin can improve markers of heart health and metabolism in healthy adults. It involves taking a quercetin supplement for a period of time.
Preston, LancashireAges 18–65 - NCT06878417Recruiting
Cannabinoids for osteoarthritis knee or hip pain
This study tests if cannabinoid medications can reduce pain interference in daily life for people with hip or knee osteoarthritis. It may be a new option for moderate to severe pain.
Toronto, OntarioAges 40–80 - NCT07047404RecruitingPhase 2
Testing a new drug for lifelong premature ejaculation
This study tests an experimental drug called BP1.4979 to see if it can help men with lifelong premature ejaculation (PE) last longer during sex. The trial is for men who have had PE since their first sexual experiences and who typically ejaculate within about 1 minute.
NîmesAges 18–50
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Common questions
- Are there clinical trials for placebo effect?
- Yes. Clin2 currently lists 756 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.