Clinical trials
Placebo Effect clinical trials
Below are recruiting placebo effect clinical trials, each written for real people, not researchers. We’re tracking 759 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05142735Recruiting
NAC for early psychosis risk symptoms
This trial studies whether NAC (a nutrient-like supplement) can reduce symptoms in people who are at high risk for developing psychosis. It may help by testing a safer, non-standard treatment approach for early warning signs.
Toronto, OntarioAges 16–35 - NCT05307744Recruiting
Probiotic trial for autism symptoms in children ages 7–12
This study tests whether a probiotic called Lactobacillus plantarum PS128 can improve symptoms in children with autism spectrum disorder. If you enroll, you may receive either the probiotic or a placebo (inactive substitute).
TaoyuanAges 7–12 - NCT05469854RecruitingPhase 1
Study of linaprazan glurate in healthy volunteers
This study tests a new drug called linaprazan glurate in healthy adults aged 18 to 65. It looks at how the drug moves through your body and if it affects your heart rhythm.
UppsalaAges 18–65 - NCT05835037RecruitingPhase 4
Zinc supplement study for prediabetes blood sugar control
This study tests whether taking zinc can improve how your body controls blood sugar in people with prediabetes. It may help slow the progression toward type 2 diabetes, but you would need to meet specific health and medication criteria.
Lancaster, PennsylvaniaAges 18–80 - NCT05842382RecruitingPhase 2
High-dose IV vitamin C for severe pneumonia
This trial tests whether high-dose vitamin C given through an IV can improve outcomes in people with severe pneumonia. It may help your body fight infection and reduce complications, but it also has several safety checks.
Alor Star, KedahAges 18 years+ - NCT06538649RecruitingEarly Phase 1
Testing statins for Crohn's disease before and after surgery
This study tests whether taking a statin (a cholesterol-lowering medicine) before and after surgery for Crohn's disease can help improve outcomes. It's for people with a specific type of Crohn's that causes narrowing in the small intestine and who are already scheduled for surgery.
Stanford, CaliforniaAges 18–80 - NCT06843590RecruitingPhase 2
Study of ALKS 2680 for Idiopathic Hypersomnia
This trial tests a new medicine called ALKS 2680 for people with Idiopathic Hypersomnia (a condition that causes extreme sleepiness without a clear cause). The goal is to see if it is safe and effective at helping you stay awake during the day.
Cullman, AlabamaAges 18–70 - NCT06957808Recruiting
Diroximel fumarate brain health study for schizophrenia
This trial tests if a drug called diroximel fumarate can help increase a natural antioxidant (glutathione) in the brain for people with schizophrenia. It aims to see if lowering inflammation and boosting brain protection might improve symptoms.
London, Greater LondonAges 18–65 - NCT07463196RecruitingPhase 1
Safety study of ACI-19764 in healthy adults
This trial tests a new oral medication, ACI-19764, in healthy adults to see how safe it is and how the body processes it. It may help researchers understand how the drug affects the immune system, which could lead to future treatments for certain conditions.
GroningenAges 18–65 - NCT06623227Enrolling by invitation
Antioxidant supplement study for children with autism
This study tests whether an antioxidant supplement (something that fights cell damage) can help children with autism. It lasts 3 months and requires that the child stays on their current treatments without changes.
Makassar, South SulawesiAges 3–9 - NCT06216041RecruitingPhase 1
Safety study of IMM-H014 in healthy adults
This trial tests a new drug called IMM-H014 in healthy volunteers to see if it is safe and how the body processes it. It also checks if food changes how the drug works. You may join if you are generally healthy and meet the age and weight requirements.
Changchun, JilinAges 18–45 - NCT07380412Recruiting
Supplement study for ADHD med side effects
This trial tests if a dietary supplement can help reduce common side effects of stimulant medications for ADHD, like trouble sleeping or feeling irritable. If you take a stable dose of ADHD medication and are dealing with these issues, you may be able to join.
Las Vegas, NevadaAges 18–55 - NCT06723119Recruiting
Resveratrol supplement for exercise and recovery in men
This study tests whether a daily supplement called resveratrol (found in some foods) can help active men exercise better and recover faster. You'll take either resveratrol or a placebo, follow a diet, and complete fitness tests.
Orlando, FloridaAges 18–40 - NCT07301034RecruitingPhase 3
Ziltivekimab for plaque after a heart attack
This study tests a drug called ziltivekimab to see if it can reduce fatty plaque buildup in heart arteries after a heart attack. It's for people who had a heart attack treated with a stent and have mild blockages in other arteries.
ViennaAges 18 years+ - NCT07539298RecruitingPhase 2/Phase 3
Valsartan for Heart-Related Mitral Valve Leaking
This study tests whether a blood pressure medication called valsartan can reduce leaking in the mitral valve (a valve in your heart) caused by an enlarged left chamber. The goal is to see if this medication can improve heart function and reduce symptoms without needing surgery.
Québec, QuebecAges 18–85 - 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 - 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 - 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 - NCT06592365Recruiting
Green tea extract for blood sugar control
This trial tests whether a green tea extract can help regulate blood sugar levels in people with mildly elevated fasting glucose. If you are between 19 and 64, have a BMI under 30, and have not been diagnosed with diabetes, you may be able to join.
SeoulAges 19–64 - 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 - NCT07234890RecruitingPhase 2
Testing AV-001 to protect the brain during hemodialysis
This study tests a new medicine called AV-001 to see if it can protect the brain from damage caused by hemodialysis. If you qualify, you may help find a way to reduce thinking and memory problems linked to dialysis.
London, OntarioAges 18 years+ - 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 - NCT06793891Recruiting
Ashwagandha extract for stress relief in women
This trial tests whether an ashwagandha supplement can help reduce high stress levels in women. If you are a woman feeling very stressed and meet the other requirements, this study might offer a natural way to manage stress.
Huntsville, AlabamaAges 30–59 - 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
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Common questions
- Are there clinical trials for placebo effect?
- Yes. Clin2 currently lists 759 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.