Clinical trials
Placebo Effect clinical trials
Below are recruiting placebo effect clinical trials, each written for real people, not researchers. We’re tracking 723 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06126315RecruitingPhase 2/Phase 3
Testing acetyl-L-carnitine in early ALS
This study tests a supplement called acetyl-L-carnitine (ALCAR) to see if it can slow the progression of ALS. It is for people in the early stages of the disease who are already taking riluzole and have good lung and muscle function.
SydneyAges 18 years+ - NCT05681572RecruitingPhase 3
Sedation before surgery to help kids feel better after anesthesia
This study tests whether giving a calming medicine before general anesthesia improves how children feel and experience anesthesia afterward. The goal is to see which pre-surgery approach works best and is comfortable for kids.
Montpellier, MontpellierAges 7–18 - 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 - NCT04704271RecruitingPhase 1
Study on THC effects in people with past cannabis use
This Phase 1 study looks at how THC (the main mind-altering ingredient in cannabis) affects healthy volunteers shortly after use. It focuses on differences between people and includes those who have used cannabis before.
West Haven, ConnecticutAges 18–55 - NCT03407079RecruitingPhase 2
Study of sucralose’s effects on digestion of drugs
This study tests whether the sugar substitute sucralose changes how your body absorbs and breaks down certain medicines. You’d take sucralose or a placebo for 4 weeks, visit the clinic, and complete required samples and medicine doses during visits.
Bethesda, MarylandAges 18–60 - NCT07210099Recruiting
Olive Supplement and Fat Burning During Exercise
This study tests whether a supplement made from olives (OliPhenolia®) can help your body burn fat more efficiently during exercise. It may be a good fit if you're a healthy, active adult in the UK.
CambridgeAges 21 years+ - NCT07760467RecruitingPhase 1
Study of an oral medication for safety in healthy adults
This study tests an investigational oral medication called TUL321 in healthy volunteers to see if it is safe and how the body handles it. It may help understand the drug's effects and is an early step in developing a new treatment.
Changsha, HunanAges 18–45 - NCT07634770RecruitingPhase 1
Oral insulin study compared to injected insulin
This early-stage study tests whether a new oral (swallowed) form of insulin called SCD0503 works as well as regular injected insulin in men with type 1 diabetes. Researchers will also check how food affects how your body absorbs the oral insulin.
Neuss, North Rhine-WestphaliaAges 18–64 - NCT07196514Recruiting
Turmeric for health in older adults
This trial tests whether taking turmeric for 8 weeks can improve overall health and well-being in healthy older adults. You'll take a turmeric supplement daily and have your health monitored.
NottinghamAges 40–95 - NCT07815496Recruiting
Study of oxytocin on fairness and helping behavior
This study tests whether the hormone oxytocin (given as a nasal spray) changes how you perceive fairness and how you behave toward others. It may help researchers understand how this natural hormone influences social decisions.
Chengdu, SichuanAges 18–35 - NCT07787026Recruiting
Fiber supplement study for gut health
This trial is testing the short-term effects of a multi-fiber supplement on gut health. If you are generally healthy and meet the dietary restrictions, you may be able to participate.
Providence, Rhode IslandAges 18 years+ - NCT06446479RecruitingPhase 2
THC's effect on alcohol use and brain reward
This study tests whether THC (the active ingredient in cannabis) can change how much alcohol you drink and how your brain responds to rewards. You will have MRI scans and take THC or a placebo, then drink alcohol in a controlled setting.
Aurora, ColoradoAges 21–40 - NCT07723612Recruiting
Spirulina for mouth ulcers from radiation or other causes
This trial tests if spirulina supplements can prevent or heal mouth ulcers caused by radiation therapy or other conditions like canker sores. Participants take spirulina and are monitored to see if their ulcers improve.
Yiwu, ZhejiangAges 18–100 - NCT06666660Recruiting
Multivitamin study for middle-aged adults
This trial tests whether taking a daily multivitamin and mineral supplement can slow or reverse biological aging in healthy middle-aged adults. It involves blood tests, wearing an OURA ring, and using a study app.
Singapore, SingaporeAges 40–60 - NCT07659236Recruiting
Plasma-activated water for fibromyalgia pain
This study tests whether a special water called 'plasma-activated water' can help reduce pain in people with fibromyalgia. If you have widespread pain for at least 3 months and meet the age and health requirements, you may be able to join.
TaipeiAges 20–75 - NCT07654114RecruitingPhase 2
Testing CTH120 for men with Fragile X syndrome
This trial tests a new medicine called CTH120 to see if it is safe and helpful for adult men with Fragile X syndrome. You may be able to join if you meet certain health and age requirements.
Barcelona, BarcelonaAges 18–45 - NCT07595341Enrolling by invitation
Breathing Training for Competitive Swimmers
This study tests whether a special breathing-exercise program can improve how well swimmers' lungs work and their swimming performance. Researchers will teach swimmers techniques to strengthen the muscles used for breathing and measure how it affects their ability to swim.
MadridAges 18 years+ - NCT07559656Recruiting
Oxytocin and Brain Training for Emotional Awareness
This study tests whether a nasal spray called oxytocin, combined with real-time brain imaging feedback, can help train a specific brain region involved in emotions and body awareness. Researchers will use MRI scans to show you your own brain activity in real time.
Chengdu, SichuanAges 18–30 - NCT07479173Recruiting
How a study ingredient affects protein digestion in healthy adults
This trial tests whether a study ingredient called P24 changes how your body breaks down and uses protein from a meal. It may help researchers understand ways to support muscle health as we age.
Davis, CaliforniaAges 45–75 - NCT07460856Recruiting
Can Cranberries Improve Your Gut and Metabolic Health?
This study tests if eating cranberries can improve your gut health and metabolism. It’s for people who are overweight and have early signs of metabolic problems, like high blood sugar or high triglycerides.
Québec, QuebecAges 25–70 - NCT06578182RecruitingPhase 3
Can colchicine reduce knee or hip replacement?
This study tests whether a low-dose medicine called colchicine can lower the chance that people with knee or hip arthritis will need a joint replacement. If you have arthritis in your knee or hip and are not already scheduled for surgery, you may be able to join.
NijmegenAges 45–80 - NCT07314359Recruiting
Study of a biofield patch on antioxidants and energy
This study tests a special patch (called a biofield patch) to see if it can improve your body's antioxidant levels and energy. It involves several clinic visits with blood draws over a short time period.
Klamath Falls, OregonAges 18–75 - NCT07292909RecruitingPhase 4
Effect of Empagliflozin on Inflammation for Coronary Patients
This trial tests if the diabetes drug empagliflozin can help reduce inflammation in people with stable coronary artery disease who are planning to have a stent placed. It may offer a new way to protect heart health.
Beirut, BeirutAges 18 years+ - NCT07287306Recruiting
Probiotic study on gut health in healthy adults
This trial tests two probiotics, BLa80 and LRa05, to see how they affect the gut's natural bacteria and related substances. It may help understand how these probiotics support overall health.
Guangzhou, GuangdongAges 18–60
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Common questions
- Are there clinical trials for placebo effect?
- Yes. Clin2 currently lists 723 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.