Clinical trials
Placebo Effect clinical trials
Below are recruiting placebo effect clinical trials, each written for real people, not researchers. We’re tracking 758 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07024238Enrolling by invitation
Short-chain fatty acid supplement for kidney transplant patients
This study tests whether taking a short-chain fatty acid (a type of fiber-like substance) supplement can improve gut health in people who have had a kidney transplant. It may help keep the transplant working well.
Martin, SlovakiaAges 18 years+ - NCT06969872Recruiting
Probiotics for Constipation Relief
This trial tests whether taking probiotics can help relieve constipation in adults. If you have chronic constipation but no serious health issues, you may be able to join.
Taichung, SouthAges 18–75 - NCT06367413Recruiting
Protein and NAC for muscle recovery after exercise
This study tests whether taking a protein supplement and NAC (a type of amino acid) together helps your muscles recover better after an intense workout. It's for healthy adults who don't smoke, don't use certain medications, and don't have specific health conditions.
Trikala, KariesAges 18–27 - 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 - NCT06670807Recruiting
Probiotic supplement for mild memory loss
This study tests whether a probiotic (a supplement with helpful bacteria) can help slow down memory and thinking problems in people with mild cognitive impairment (MCI). It is for adults aged 60–85 who have noticed their memory getting worse over time but can still handle daily activities.
Madrid, MadridAges 65–85 - 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 - 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 - 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 - NCT05575882Recruiting
Skin cream trial to prevent relapses in very dry eczema skin
This trial tests whether a cosmetic cream can reduce eczema flare-ups and is comfortable/safe to use on very dry, irritated, eczema-prone skin. It’s mainly for children who have had recent flare-ups and moderate eczema severity.
Ciudad Autónoma de Buenos Aire, Ciudad Autónoma de Buenos AireAges 6 months–15 years - NCT05638360RecruitingPhase 2
Test medicine for healing after wrist bone fracture surgery
This Phase 2 trial studies whether Ru-Yi-Jin-Huang-Saan (a traditional Chinese medicine) helps the wrist heal better after surgery for a Colles’ fracture. If you qualify, you may receive the medicine and be asked to complete questionnaires to track healing and outcomes.
Changhua, ChanghuaAges 20–80 - NCT05708859RecruitingPhase 4
Tirzepatide to slow plaque buildup in coronary arteries
This trial studies tirzepatide to see if it can slow the progression of coronary artery plaque in people with type 2 diabetes. It uses special heart CT scans to track changes over time.
Torrance, CaliforniaAges 40–80 - NCT06115603RecruitingPhase 2
Testing CBG for ADHD symptoms
This study tests whether a non-psychoactive compound from hemp called CBG (cannabigerol) can help with ADHD symptoms. You will take CBG capsules or a placebo for several weeks to see if it improves focus and reduces hyperactivity.
Fayetteville, ArkansasAges 18–55 - 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+ - NCT06158152Recruiting
AM3 supplement for metabolic syndrome pilot study
This study tests an oral supplement called AM3 in people with metabolic syndrome. It looks at whether the supplement can help improve sugar and fat levels in the blood.
MadridAges 18–75 - NCT06309563Recruiting
Essential amino acid diet for severe obesity
This study tests whether replacing some foods with essential amino acids (protein building blocks) can improve metabolism in people with severe obesity. It aims to find a non-surgical way to boost weight loss.
Oggebbio, VerbaniaAges 45–65 - NCT06448767Recruiting
Probiotics for autism symptoms in children
This study tests whether a daily probiotic supplement (a mix of good bacteria) can help reduce autism symptoms in children. It lasts 3 months and involves filling out questionnaires about your child's behavior at the start and end of the trial.
Warsaw, WarsawAges 7–15 - NCT06498063Recruiting
Glucagon and kidney effects in healthy males
This trial tests how the hormone glucagon affects kidney function in healthy men. It may help researchers understand how glucagon works in the body.
CopenhagenAges 20–60 - NCT06576466Recruiting
Creatine for stroke recovery
This study tests whether taking a daily creatine supplement for a few weeks can help people recover movement better after a recent clot-caused stroke. If you've had a stroke in the past 1 to 5 days and need rehab for weakness or coordination issues, you may be able to join.
Palma de Mallorca, Balearic IslandsAges 18–80 - NCT06584786RecruitingEarly Phase 1
Jing Si Herbal Tea for COPD
This trial tests whether Jing Si Herbal Tea can help people with COPD feel better. If you have COPD and want to try a natural approach, this study might be for you.
New Taipei City, XindanAges 20 years+ - NCT06693674RecruitingPhase 3
Sacubitril-valsartan for heart health in congenital heart disease
This trial tests if a drug called sacubitril-valsartan can improve heart structure and function in adults with congenital heart disease. You will take the drug and have heart imaging to see changes.
Rochester, MinnesotaAges 18 years+ - NCT07362446RecruitingPhase 2
Study of a heart drug for first-time heart attack patients
This trial tests a new drug given shortly after a first heart attack to see if it can reduce heart damage when blood flow is restored. It is for patients having a specific type of heart attack (STEMI) and getting a procedure to open the blocked artery within 6 hours of symptoms starting.
Kingswood, New South WalesAges 40–75 - NCT06782373RecruitingPhase 2
Pacritinib for treating VEXAS syndrome
This trial tests a drug called pacritinib for people with VEXAS syndrome. It aims to see if pacritinib can help control inflammation and reduce the need for steroids. You may qualify if you have a specific UBA1 gene mutation and are currently on a stable steroid dose.
Scottsdale, ArizonaAges 18 years+ - NCT06923709RecruitingPhase 2
Amiloride for slowing kidney disease progression
This trial tests if the drug amiloride can help slow down chronic kidney disease. It may be an option if you have moderate kidney function and high protein in your urine.
OdenseAges 18 years+ - NCT07067424Recruiting
Aromatherapy for anxiety during colonoscopy
This study tests if smelling lavender or bergamot oil can reduce anxiety for people having a colonoscopy. If you are nervous about the procedure, this simple treatment might help you feel calmer.
FamagustaAges 18 years+
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Common questions
- Are there clinical trials for placebo effect?
- Yes. Clin2 currently lists 758 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.