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
- NCT05569382RecruitingPhase 4
Testing bisoprolol and verapamil in hypertrophic heart disease
This study tests whether two common heart medicines, bisoprolol and verapamil, improve symptoms in adults with non-obstructive hypertrophic cardiomyopathy. It may help you and your care team understand which medicine works better for symptom control and heart function.
Aarhus NAges 18 years+ - NCT07267845Recruiting
Effect of alpha-GPC on thinking and exercise performance
This study tests whether a supplement called alpha-GPC (a nutrient that supports brain health) can improve memory, thinking, and physical performance in healthy adults. You would take the supplement and complete cognitive tests and exercise tasks over several visits.
Cork, County CorkAges 25–55 - NCT07251244Recruiting
Supplement and exercise for immune health in older adults
This trial tests whether a combination of a supplement and moderate exercise can help keep your immune system strong and healthy as you age. It is for older adults who are independent and generally healthy.
Valencia, ValenciaAges 65 years+ - NCT07202000RecruitingPhase 2
Exercise and a drug to reduce inflammation for heart failure with preserved ejection fraction
This trial tests whether combining exercise with a medication that blocks a protein called activin can reduce inflammation, improve heart function, and help with thinking in people with heart failure with preserved ejection fraction (HFpEF).
Boston, MassachusettsAges 40 years+ - NCT07172607Recruiting
Can Avnace eZZe improve sleep?
This study tests a dietary supplement called Avnace eZZe to see if it helps improve sleep in adults with insomnia. You may be able to join if you have a diagnosis of insomnia and are not currently using sleep aids.
TaipeiAges 18 years+ - NCT06937814Recruiting
Effect of Humiome Post LB on Gut Comfort in Healthy Adults
This study tests a supplement called Humiome Post LB to see if it helps with mild digestive discomfort like bloating, irregular stools, and urgency. If you have frequent but not severe bowel issues (10-20 movements per week with loose stools) and are generally healthy, this may be for you.
London, OntarioAges 18–75 - NCT06937853Recruiting
Genes and painkiller response for tooth pain
This trial tests whether your genes affect how well a common painkiller (NSAID) works for tooth pain after a root canal procedure. It may help find the best pain relief for you.
Erzurum, ErzurumAges 18–65 - NCT06818851RecruitingPhase 4
Henagliflozin for blood sugar stability and immune aging in diabetes
This study tests a new diabetes pill called henagliflozin to see if it helps smooth out blood sugar ups and downs and may also slow aging of the immune system in people with type 2 diabetes who are already on insulin. It is for adults aged 50–70 whose blood sugar is still high despite insulin therapy.
Shanghai, Shanghai MunicipalityAges 50–70 - NCT06744036Recruiting
Exercise and electrical stimulation for knee arthritis
This study tests whether adding a gentle electrical current (interferential therapy) to a personalized exercise program can reduce pain and improve function in people with knee osteoarthritis. If you have knee pain from arthritis and have not had physical therapy or certain injections in the past six months, you may be able to join.
São PauloAges 40–75 - NCT06425120RecruitingPhase 4
Xuesaitong for heart disease risk factors
This trial tests whether Xuesaitong soft capsules can improve major risk factors in people with stable coronary heart disease who are already on cholesterol-lowering and antiplatelet medications. You may be able to join if you have chronic coronary artery disease and certain signs of inflammation.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06464705Recruiting
PEMF Therapy for Hamstring Strength After ACL Surgery
This study tests whether wearing a special device (PEMF) for a few minutes each day can help you regain hamstring strength more quickly after ACL surgery. If your hamstring is still weaker than your other leg at 4 months, this may help you recover better.
ShatinAges 18 years+ - NCT06261502RecruitingPhase 2
CBD for Anxiety in Fragile X Syndrome
This trial tests if cannabidiol (CBD) can help with anxiety and improve brain function in people with Fragile X syndrome. Participants will receive CBD or a placebo, and may have brain scans (MRI) or magnetic stimulation (TMS) to see how it works.
Sherbrooke, QuebecAges 7–40 - NCT06173973Enrolling by invitationPhase 2/Phase 3
Ketone supplement for alcohol withdrawal symptoms
This study tests whether a special supplement (ketones) can help people feel better during alcohol withdrawal. It is for adults who are already in a treatment program for alcohol withdrawal.
Philadelphia, PennsylvaniaAges 18–75 - NCT05635877RecruitingPhase 4
Low-dose heart-rate medicine after surgery in frail older adults
This trial tests whether a low dose of esmolol (a short-acting heart-rate medicine) can reduce heart muscle injury after non-heart surgery in older, frail people. It may help lower the chance of heart-related complications around the time of surgery.
Jinan, ShandongAges 65–90 - NCT07625358Recruiting
How Caffeine and Alcohol Affect Your Eyes
This study measures how caffeine and alcohol change the size of your pupils (the dark circles in your eyes). Researchers want to understand how these common substances affect your eye's natural responses, which could help with vision and neurological research.
SingaporeAges 30–50 - NCT06064669Recruiting
Metformin for healthy live birth in women with prediabetes
This study tests if metformin, a drug that helps control blood sugar, can improve the chance of a healthy live birth in women with prediabetes who are doing in vitro fertilization (IVF). It aims to see if treating prediabetes before and during early pregnancy leads to better outcomes.
Jinan, ShandongAges 20–40 - NCT06511908RecruitingPhase 2
Testing a new ketamine-like drug for hard-to-treat depression
This study tests a new experimental drug (2R,6R)-HNK, a chemical related to ketamine, given by IV infusion to see if it can help people with depression that hasn't improved with other treatments. The goal is to find a new option for people who have not found relief from standard antidepressants.
Bethesda, MarylandAges 18–70 - NCT07671924RecruitingPhase 2
Testing nalbuphine extended-release for chronic cough
This trial tests whether an extended-release medication called nalbuphine can reduce coughing in people with chronic cough that hasn't improved with other treatments. You may be eligible if you've had a persistent cough for at least a year and have already tried treatments for conditions that could cause it.
AjaxAges 18 years+ - NCT06696703Recruiting
Human urinary kallidinogenase for acute ischemic stroke
This trial tests whether a medicine called human urinary kallidinogenase can reduce inflammation after a stroke. It may help people who have had a first or recent stroke and have certain levels of disability.
Harbin, HeilongjiangAges 18 years+ - NCT07585669Recruiting
Omega-3 Supplements for New Celiac Disease Patients
This study tests whether omega-3 fatty acids (a type of fish oil supplement) can reduce inflammation and improve gut health in people newly diagnosed with celiac disease. Participants will follow a gluten-free diet while taking the supplement to see if it helps their body heal.
Santiago, Metropolitan RegionAges 18–65 - NCT07519798Enrolling by invitation
Brain Stimulation for Memory Problems in Older Adults
This study tests a new, non-invasive brain stimulation technique called transcranial temporal interference stimulation to see if it can improve memory and thinking skills in older adults with mild cognitive impairment (early memory loss that isn't yet dementia). Participants will receive the stimulation treatment and have their cognitive function monitored over time.
Shanghai, Shanghai MunicipalityAges 60–80 - NCT06193577Recruiting
White kidney bean extract for weight and metabolism
This trial tests whether a dry extract from white kidney beans (Phaseolus vulgaris) can help men with overweight or mild obesity lose weight and improve metabolic health. Participants will follow a diet and take the extract or a placebo for a few weeks.
Catania, CataniaAges 18–60 - NCT07490587RecruitingPhase 2
Probiotic study for healthy infant growth and allergy prevention
This trial tests a probiotic supplement (Bifidobacterium animalis subsp. lactis XLTG11) to see if it helps infants grow better and have fewer allergies. It is for healthy babies up to 3 years old who are at higher risk for allergies.
Pudong, Shanghai MunicipalityAges birth–3 years - 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
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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.