Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,158 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07000877RecruitingPhase 4
Nasal spray to help kids with colds during anesthesia
This study tests whether a nasal decongestant spray can help prevent breathing problems during anesthesia for children with a cold. If your child has a recent cold and is having surgery, this could help make the anesthesia safer.
Perth, WeAges 1–8 - NCT06995651RecruitingPhase 1
Dorzagliatin for blood sugar in cystic fibrosis
This study tests a drug called dorzagliatin to see if it can help control blood sugar in adults with cystic fibrosis who have pancreatic insufficiency and abnormal glucose tolerance.
Philadelphia, PennsylvaniaAges 18 years+ - NCT06996652RecruitingPhase 2
Study of adalimumab to delay Parkinson's symptoms in sleep disorder
This trial tests whether adalimumab, an immune system drug, helps people with REM sleep behavior disorder (a condition that may warn of Parkinson's disease) stay healthy longer. Participants will receive injections of the drug or a placebo to see if it prevents Parkinson's-related brain problems.
Los Angeles, CaliforniaAges 50–80 - NCT07000500Enrolling by invitation
Nutritional supplement for memory decline in older adults
This trial tests whether a nutritional supplement can help slow or improve memory loss in older adults who have mild cognitive decline (noticeable changes in thinking skills that are not yet dementia). You will take a daily supplement and attend regular check-ups.
Vila Nova de Famalicão, Braga DistrictAges 65 years+ - NCT07000825Enrolling by invitation
Yerba mate extract for improving metabolic health in overweight adults
This trial tests whether a daily yerba mate extract can help reduce metabolic syndrome in overweight people. You would take the extract for a period while keeping your usual diet and activities.
Realeza, ParanáAges 40–65 - NCT06994442RecruitingPhase 3
Best pain relief for children on a breathing tube
This study tests adding extra pain medicines (acetaminophen or an NSAID) to usual opioid pain treatment for children on a breathing machine. The goal is to find the safest and most effective way to manage pain.
Little Rock, ArkansasAges 2 months–17 years - NCT06721884RecruitingPhase 1/Phase 2
Artemisia annua for small intestinal bacterial overgrowth (SIBO)
This trial tests whether a supplement made from Artemisia annua (sweet wormwood) can help people with SIBO, a gut condition. You will take the supplement or a placebo for 5 weeks and have breath tests and blood draws to see how it affects your symptoms.
Portland, OregonAges 18 years+ - NCT03775837Recruiting
Ginseng extract to improve abnormal liver blood tests
This trial studies whether a Panax ginseng extract can improve liver-related blood test results in adults. It may help people with mildly to moderately elevated liver enzymes, while carefully excluding people with other liver causes.
YangsanAges 19–75 - 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+ - NCT05905172RecruitingPhase 3
Hydronidone for long-term treatment of hepatitis B scarring
This Phase 3 study tests whether hydronidone capsules can help people with long-term hepatitis B–related liver scarring (fibrosis). It aims to track whether treatment reduces or delays serious liver complications over time.
Beijing, Beijing MunicipalityAges 18–65 - 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 - NCT06989866Enrolling by invitationPhase 3
Testing if numbing injections reduce pain pill use after nose surgery
This trial tests whether a numbing injection (regional anesthesia) during nose surgery can reduce the need for strong pain pills afterward. It's for people having their first nose surgery at specific military hospitals.
Portsmouth, VirginiaAges 18 years+ - NCT06989177Recruiting
Can a probiotic help with body weight?
This trial tests whether taking a probiotic (a good bacteria supplement) can help with body weight. It is for healthy adults, and also for overweight or obese people who have certain weight-related health issues.
Hangzhou, ZhejiangAges 20–50 - NCT06990269RecruitingPhase 2
Study of ADX-038 for geographic atrophy in dry AMD
This trial tests an investigational drug (ADX-038) for people with geographic atrophy, a form of advanced dry age-related macular degeneration. The drug is given as an injection into the eye, and the study checks if it can slow down the growth of GA spots.
Gilbert, ArizonaAges 60 years+ - NCT06984744Recruiting
Gum health study testing a new compound
This study tests a compound in gum to see how well it prevents plaque buildup over 4 days. You may be able to join if you are a healthy adult with at least 20 natural teeth and some existing plaque.
Indianapolis, IndianaAges 18–65 - NCT06993155RecruitingPhase 2
Leflutrozole for low testosterone and low sperm count
This trial tests a new drug called Leflutrozole to see if it can improve testicular function in men with low testosterone and low sperm count. The goal is to help increase natural hormone levels and sperm production.
North Hollywood, CaliforniaAges 18–49 - NCT06990867RecruitingPhase 2/Phase 3
Improving blood flow recovery after stroke
This trial tests a new approach to restore blood flow in the brain after a stroke. It aims to improve recovery and brain function in people with a blocked large artery.
Long Beach, CaliforniaAges 18–90 - NCT06991257RecruitingPhase 2
Study of PF-07328948 for adults with heart failure
This trial tests a new medicine, PF-07328948, for adults with heart failure to see if it can improve symptoms and daily life. It is for people who have had heart failure for at least 3 months and can walk without too much difficulty.
Beverly Hills, CaliforniaAges 18–79 - NCT06989437RecruitingPhase 2/Phase 3
Study of Ponsegromab for Pancreatic Cancer with Weight Loss
This study tests an experimental drug called ponsegromab for people with advanced pancreatic cancer who experience severe weight loss and fatigue. It aims to see if the drug can help improve weight and energy levels while you continue standard chemotherapy.
Birmingham, AlabamaAges 18 years+ - NCT06989840RecruitingPhase 1
Safety study of TVB-3567 for acne
This early-stage study tests a new drug called TVB-3567, which may help treat acne. It checks the drug's safety and how the body processes it, first in healthy people and then in people with moderate to severe acne.
Tempe, ArizonaAges 18–55 - NCT06984484Recruiting
Afluxin for GERD: safety and performance study
This trial tests a new treatment called Afluxin for people with gastroesophageal reflux disease (GERD), which causes heartburn and regurgitation. It aims to see if Afluxin is safe and works better than a placebo (inactive control) to relieve symptoms.
GenovaAges 18–75 - NCT04934228RecruitingPhase 1
Study targeting inflammation in people with obesity and high blood pressure
This Phase 1 study looks at a treatment aimed at reducing “inflammation patterns” that are common in obesity and insulin resistance. If you meet specific health and lab criteria, you may be asked to visit a research lab and provide blood samples to see how the treatment affects your body.
Kansas City, KansasAges 18–79 - NCT06987084Enrolling by invitationEarly Phase 1
Bryophyllum Tea for Kidney Stone Prevention
This study tests whether a special tea made from the Bryophyllum pinnatum plant can help people who get calcium kidney stones. If you've had a stone or high calcium in your urine, this trial may offer a natural option to try.
Montreal, QuebecAges 18–70 - NCT06989853RecruitingEarly Phase 1
Testing troriluzole for methamphetamine use disorder
This study tests whether a medication called troriluzole can help people who use methamphetamine. If you have methamphetamine use disorder and are not seeking treatment right now, this study may be an option for you.
Lexington, KentuckyAges 18–55
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,158 recruiting placebo 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 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 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.