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
- NCT07393360Recruiting
Muscle preservation during weight loss with GLP-1 drugs
This trial tests a special medical food to help keep muscle mass while losing weight with GLP-1 medications like liraglutide, semaglutide, or tirzepatide. It's for adults with obesity or overweight with related health issues.
MilanAges 18–65 - NCT07386249Recruiting
Wheat lipid cream for vaginal dryness in postmenopausal women
This trial tests a cream made from wheat polar lipids to see if it helps with vaginal dryness after menopause. It may offer a non-hormonal option for women with moderate to severe discomfort.
Louvain-la-Neuve, BelgiumAges 45–65 - NCT07324746Recruiting
Herbal supplement for osteoarthritis pain
This trial tests whether a herbal supplement helps people with osteoarthritis of the knee or hip feel less pain and move better. If you have moderate to severe pain and are able to walk, this study might be a good fit.
LondonAges 18 years+ - NCT07245771RecruitingPhase 1/Phase 2
Weight loss study testing a new drug alone or with tirzepatide
This trial tests an experimental drug called RN3161 to see if it helps with weight loss in people with overweight or obesity. It can be taken alone or with another weight-loss medication (tirzepatide).
Melbourne, VictoriaAges 18–65 - NCT07229521Recruiting
Nattokinase for heart, gut, sleep, and brain health in metabolic syndrome with sleep issues
This study tests whether a supplement called nattokinase can improve heart health, sleep, thinking, and gut bacteria in people with metabolic syndrome and mild-to-moderate sleep apnea. If you have a larger waist, blood pressure or blood sugar issues, or imbalanced cholesterol, and have been diagnosed with mild or moderate sleep apnea, you may be eligible.
TaipeiAges 18 years+ - NCT07218445RecruitingPhase 4
Tirzepatide for hot flashes in post-menopausal women with obesity
This study tests whether tirzepatide, a weekly injection, can reduce bothersome hot flashes and slow biological aging in post-menopausal women with obesity. It also includes a personalized diet and exercise plan.
Jacksonville, FloridaAges 46–60 - NCT06687265RecruitingPhase 2
Metformin for reducing liver pressure in cirrhosis
This trial tests if metformin can lower the pressure in the liver's blood vessels (portal hypertension) in people with cirrhosis. The goal is to see if it can help reduce complications like swelling or bleeding.
Clichy, FranceAges 18 years+ - NCT07167342RecruitingPhase 4
Can a probiotic prevent polyp regrowth after colonoscopy?
This trial tests whether taking a probiotic called Clostridium Butyricum after colon polyp removal can lower the chance of polyps coming back. It is looking for people who had adenomas removed and are not already taking certain supplements or antibiotics.
Qingdao, ShandongAges 18–75 - NCT07162116RecruitingPhase 1
Effect of XY0206 on heart rhythm in healthy Chinese volunteers
This trial tests whether a new drug called XY0206 affects the heart's electrical activity (QTc interval). Healthy participants take either XY0206, a placebo, or a control drug to compare effects. It helps ensure the drug is safe for the heart before testing in patients.
Zibo, ShandongAges 18–45 - NCT05005793RecruitingPhase 4
Alkali treatment to improve kidney graft blood vessel function
This trial tests whether adding an “alkali” treatment (to raise low blood bicarbonate) can improve blood vessel and kidney graft function in people whose kidney transplant is about 1 year old. It may help if you have lower-than-normal bicarbonate levels while on stable transplant and blood pressure medicines.
Aurora, ColoradoAges 18–80 - NCT07006636Recruiting
Watermelon for heart health in postmenopausal women
This study tests whether eating watermelon can improve heart health and blood pressure in postmenopausal women with slightly elevated blood pressure. It lasts about 4 weeks and involves eating watermelon as part of your usual diet.
Los Angeles, CaliforniaAges Any age - NCT04320199Recruiting
Fermented beetle powder for alcohol-related liver problems
This trial tests whether a fermented powder made from a specific beetle can improve or protect the liver after alcohol-related liver injury. It’s looking for people with certain liver blood test levels, and it excludes several conditions and recent herbal or liver-affecting treatments.
Pusan, Ami-dongAges 19 years+ - NCT06934473Recruiting
How a gut hormone affects blood pressure after eating in healthy adults
This study looks at how a natural gut hormone called GIP affects blood pressure after a meal. It may help find new ways to treat blood pressure problems after eating.
Copenhagen, HellerupAges 18–40 - NCT06916208Recruiting
Capsinoid supplement study for obese teens
This study tests whether a supplement called capsinoid can help activate brown fat in teenagers with obesity. Brown fat is a type of body fat that burns calories, so this could be a new way to help with weight management.
Palavas-les-FlotsAges 11–18 - NCT06898814RecruitingPhase 4
Iron infusions to improve walking after hip fracture
This study tests whether giving iron through a vein can help older adults walk better after hip fracture surgery. It is for people who have anemia (low red blood cells) after their operation.
Copenhagen NVAges 65 years+ - NCT06809166RecruitingPhase 4
Contrave for weight loss in adults with obesity
This study tests whether a weight loss medication called Contrave can help adults with obesity lose weight by changing how their body uses energy and handles food. If you qualify, you will take Contrave and be monitored for several months.
Ottawa, OntarioAges 18–64 - NCT05818787Recruiting
Vestibular training to improve balance and dizziness thresholds
This trial tests whether a structured “vestibular perceptual learning” program can improve balance and your body’s balance signals. It may help people who have balance or dizziness challenges by measuring changes after training.
Columbus, OhioAges 65–89 - NCT06078683Recruiting
Ketone drink for exercise and heart health in type 2 diabetes
This study tests whether a special ketone drink can improve exercise ability and heart function in people with type 2 diabetes. Participants will have two treadmill exercise tests and heart MRI scans to see how the drink affects their performance and cardiac efficiency.
Columbus, OhioAges 18–80 - NCT05823727Recruiting
Collagen supplement study before and after knee replacement
This study tests whether taking collagen peptides can improve how knee tissues heal and remodel after total knee arthroplasty (knee replacement). It also looks at functional recovery and wound healing, especially during the physical therapy period in Little Rock.
Little Rock, ArkansasAges 50–75 - NCT03552705RecruitingPhase 2
Tranexamic acid to reduce knee inflammation after ACL injury
This Phase 2 study tests whether tranexamic acid can reduce swelling and protect knee cartilage after an ACL injury. It may help by limiting bleeding-related inflammation in the injured joint soon after injury.
Stanford, CaliforniaAges 18–30 - NCT07330154Recruiting
Gel for Faster Healing After Gum Graft Surgery
This trial tests a new gel (Nano Bio Fusion Gingival Gel) to see if it helps the roof of your mouth heal faster after a gum graft. It compares the gel to a placebo (inactive gel). The study is for people who need gum graft surgery for receding gums.
Irbid, Irbid GovernorateAges 18 years+ - NCT07863973Recruiting
Dietary supplement for hot flashes in menopause
This trial tests whether a dietary supplement can reduce hot flashes in women who are in late perimenopause or early postmenopause. If you are experiencing frequent hot flashes, this could help you find relief.
Elche, AlicanteAges 42–60 - NCT07784270RecruitingPhase 3
Weight loss injection for adults with type 2 diabetes and overweight
This study tests a new injected medicine that may help people with type 2 diabetes and overweight or obesity lose weight. The trial will see how well it works and if it is safe compared to a placebo.
Fairhope, AlabamaAges 18 years+ - NCT07729943Recruiting
Ginseng & Cordyceps for Better Exercise Performance
This trial tests whether a combination of ginseng and cordyceps (a type of mushroom) can help improve how well your body uses oxygen during exercise. It's for healthy, active adults aged 40 to 65 who want to see if these natural ingredients can boost stamina and recovery.
Canfield, OhioAges 40–65
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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.