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
- NCT07402382Recruiting
Chromium blend study for women in menopause transition
This trial tests whether a special chromium supplement can help the body process protein and sugar better in women going through or past menopause. You'll follow a controlled diet and have blood draws to measure how your body responds.
Canfield, OhioAges 40–70 - NCT07247734RecruitingPhase 2
Colchicine for insulin sensitivity in type 1 diabetes
This trial tests whether a daily oral medication called colchicine can improve how your body responds to insulin. It is for people with type 1 diabetes who have ongoing low-level inflammation and are already using a continuous glucose monitor.
Gentofte MunicipalityAges 18–80 - NCT06451913RecruitingPhase 4
Probiotic for gut health during Lyme disease antibiotics
This trial tests if a probiotic (Saccharomyces boulardii) can help maintain healthy gut bacteria while you take antibiotics for the early skin rash of Lyme disease (erythema migrans). You'll take amoxicillin for 14 days, plus either the probiotic or a placebo.
LjubljanaAges 18 years+ - NCT06559995RecruitingPhase 2/Phase 3
Ketone drink for alcohol withdrawal
This study tests whether a special ketone drink can ease alcohol withdrawal and help your brain heal. If you have been drinking heavily for at least 3 years and are having withdrawal symptoms now, this might be an option for you.
Philadelphia, PennsylvaniaAges 18–65 - NCT06838013Recruiting
Electrical stimulation to improve leg movement after stroke
This trial tests a new way to help people with stroke move their legs better by combining electrical stimulation on the back and leg. If you have had a stroke more than 6 months ago and can already walk with or without a cane, this treatment might help strengthen ankle muscles and make walking easier.
Hong KongAges 50–85 - NCT06106646Recruiting
Vitamin C and smoking in pregnancy: long-term lung health follow-up
This study is checking on the long-term lung health of children whose mothers took vitamin C or a placebo during pregnancy and either smoked or did not smoke. It's a follow-up to see if vitamin C might have lasting benefits for their breathing.
Indianapolis, IndianaAges 6–16 - NCT05139719RecruitingPhase 2
HEC585 trial for slowing lung scarring decline
This Phase 2 study tests whether HEC585 can slow the decline in lung function in people with progressive fibrosing interstitial lung disease (PF-ILD). It may help preserve breathing capacity and breathing tolerance over time.
Beijing, Beijing MunicipalityAges 18 years+ - NCT07350928RecruitingPhase 3
Nasal spray before breast-saving surgery for calm wakefulness
This trial tests a nasal spray (dexmedetomidine) given before breast-conserving surgery to help you stay calm and comfortable while awake during the procedure. It aims to improve your recovery and waking experience after surgery.
TianjinAges 20–70 - NCT07216755Recruiting
Breathing training and nitrate for altitude exercise
This study tests whether breathing training and a natural nitrate supplement (from beets) can improve how well you exercise in conditions that simulate high altitude. You'll do cycling workouts while we measure your performance.
Daytona Beach, FloridaAges 18–40 - NCT05065372RecruitingPhase 1
Metformin test with automated insulin in teens with type 1
This Phase 1 study tests how adding metformin affects blood flow in the kidneys, insulin sensitivity, and overall heart/metabolic health in young people with type 1 diabetes. It may help researchers understand whether this combo is safe and beneficial alongside automated or pump/shot insulin care.
Aurora, ColoradoAges 12–25 - NCT07504068Recruiting
Exercise and supplement for metabolic health in overweight adults
This trial tests whether a combination of physical exercise and a nutritional supplement can improve body composition, metabolism, and overall health in adults who are overweight and have early signs of metabolic problems. It may help you if you are looking for a non-drug approach to boost your health.
Valencia, ValenciaAges 50–65 - NCT07444788RecruitingPhase 1
Acute effects of 5-MeO-DMT in healthy people
This study tests a single dose of a fast-acting psychedelic called 5-MeO-DMT given through a vein. It is only for healthy volunteers who have no medical or mental health conditions and limited previous experience with hallucinogens.
Basel, Canton of Basel-CityAges 25–65 - NCT07322887RecruitingPhase 2
Study of sul-238 for early untreated parkinson's disease
This study tests whether an experimental medicine called SUL-238 can improve energy levels in the brain cells of people with early, untreated Parkinson's. It uses a special type of MRI to see if the medicine affects brain energy.
GroningenAges 40 years+ - NCT07082673Recruiting
Sea buckthorn supplement for chronic constipation
This study tests a food supplement made from sea buckthorn to see if it helps people with chronic constipation have more regular and comfortable bowel movements.
NaplesAges 18–70 - NCT07776509RecruitingPhase 3
Adding a new drug to current weight-loss therapy for adults with obesity or overweight
This study tests a new medication (AZD6234) added to your current weight-management medication (an incretin-based drug) to see if it helps with weight loss. You may be eligible if you are overweight or obese with related health issues or type 2 diabetes.
Escondido, CaliforniaAges 18 years+ - NCT07592975Recruiting
Food with Fiber and B-Vitamins for Gut Health in Older Adults
This study tests whether adding special fibers (prebiotics) and B-vitamins to food can improve your gut bacteria, reduce inflammation, and support mental health. You'll eat fortified foods for several weeks while researchers track changes in your digestion and wellbeing.
Coleraine, County LondonderryAges 50 years+ - NCT06798948RecruitingPhase 2
Can a mix of herbs improve mild fatty liver?
This study is testing if a combination of four herbs (artichoke, milk thistle, turmeric, and licorice root) can help people with non-alcoholic mild to moderate fatty liver disease (also called metabolic-associated fatty liver disease). It's a randomized trial, meaning participants are assigned to either the herbal mix or a comparison group. This may offer a natural option to support liver health.
Hangzhou, Select...Ages 18–65 - NCT07643558Recruiting
Fish oil and weight training for cancer patients' muscle health
This study tests whether taking fish oil supplements combined with progressive weight training exercises can help preserve or build muscle strength in cancer patients undergoing treatment. The goal is to help you maintain physical function and quality of life during cancer care.
Erlangen, BavariaAges 18 years+ - NCT06895018Enrolling by invitation
Grape Drink Trial for Diabetes and Fatty Liver
This study tests a drink made from grape pomace (a natural byproduct) that is rich in polyphenols—compounds that may help the liver and heart. Participants have type 2 diabetes and mild fatty liver, and researchers want to see if the drink improves liver health, blood sugar, and gut bacteria over several months.
NaplesAges 35–70 - NCT07766720Recruiting
Eggshell membrane and turmeric supplements for exercise recovery
This trial tests whether taking eggshell membrane, curcumin (turmeric), or both together can help your muscles recover faster after intense exercise. It may reduce soreness and help you bounce back sooner.
College Station, TexasAges 18–40 - NCT07672938Recruiting
Olive supplement and Mediterranean diet for mild memory loss
This trial tests whether a dietary supplement made from olive polyphenols, combined with following a Mediterranean diet, can help protect thinking and memory in people with mild cognitive impairment (MCI). It may be a good fit if you have early memory changes and want to try a nutrition-based approach.
Thessaloniki, Central MacedoniaAges 50–85 - NCT07485296RecruitingPhase 2
Postbiotics with pembrolizumab for advanced head and neck cancer
This trial tests whether adding postbiotics (beneficial bacteria byproducts) to the standard immunotherapy drug pembrolizumab can improve your immune system's response against advanced or metastatic head and neck squamous cell carcinoma.
Rozzano, MilanoAges 18 years+ - NCT07094035Recruiting
Green tea and probiotics for constipation-predominant IBS
This study tests whether a supplement containing green tea extract and probiotics can improve bowel function in people with irritable bowel syndrome (IBS) that mainly causes constipation. If you have chronic constipation and abdominal pain, this could help.
NaplesAges 18–70 - NCT07144826RecruitingEarly Phase 1
Probiotic for Gut and Vaginal Health in Ovarian Cancer Chemotherapy
This trial tests whether taking a probiotic supplement can help balance the bacteria in your gut and vagina while you undergo chemotherapy for advanced ovarian cancer. It aims to see if this could improve your treatment experience or outcomes.
Columbus, OhioAges 18 years+
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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.