Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,245 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04925414RecruitingPhase 4
Testing high-flow oxygen for migraine in the emergency room
This trial looks at whether breathing high-flow oxygen in the emergency department can help relieve migraine-like headaches. You may qualify if you are 18+ and are admitted to the ER for a migraine that fits standard diagnostic rules.
NiceAges 18 years+ - NCT04932577RecruitingPhase 2/Phase 3
Fecal transplant to treat complications of liver cirrhosis
This trial studies whether transferring healthy gut bacteria (from a donor sample) can improve outcomes for people with liver cirrhosis who have worsening complications. It may help by changing the gut microbiome, which can influence inflammation and liver health.
AarhusAges 18–75 - NCT04629547RecruitingPhase 2
Sleep study to help prevent Alzheimer’s disease
This trial tests whether treating sleep issues and measuring sleep can help lower the risk of Alzheimer’s disease before it starts. It focuses on older adults with no dementia signs yet.
St Louis, MissouriAges 65 years+ - NCT04601038RecruitingPhase 2
Testing a stress-blocking drug for early Alzheimer's risk
This study tests a new medication, CORT108297, that may help protect the brain from the harmful effects of stress in people at risk for Alzheimer's disease. It is looking for adults age 55 and older who either have mild memory problems or are healthy but have a family history, APOE4 gene, or memory concerns.
Baltimore, MarylandAges 55 years+ - NCT05630781Recruiting
Orexin's role in the neurobiology of addiction
This study looks at how a brain chemical called orexin affects addiction. Researchers will give a medication that blocks orexin to see if it helps reduce cravings or use. It might help people who smoke or vape regularly.
Baltimore, MarylandAges 18–60 - NCT05798923RecruitingPhase 2
LAM-001 for lung scarring with high blood pressure
This trial tests a new medication called LAM-001 for people with high blood pressure in the lungs caused by lung scarring. It aims to see if it can improve symptoms and help you feel better.
Tucson, ArizonaAges 18–80 - NCT06732388RecruitingPhase 2
Itraconazole with ablation to prevent esophageal cancer in Barrett's esophagus
This trial tests if adding the antifungal drug itraconazole to standard ablation therapy can help prevent esophageal cancer in people with high-risk Barrett's esophagus. You must have a confirmed diagnosis of Barrett's esophagus with low- or high-grade dysplasia or early-stage cancer, and be planning to have ablation treatment.
Kansas City, KansasAges 18 years+ - NCT07306182RecruitingPhase 2
Testing SGC001 for anterior wall heart attack
This study tests an investigational drug called SGC001 for people having a heart attack affecting the front wall of the heart. The goal is to see if adding this drug to the standard artery-opening procedure helps improve outcomes.
Shanghai, Shanghai MunicipalityAges 18–79 - NCT07699380RecruitingPhase 2
Metabolic study to improve insulin sensitivity in type 1 diabetes
This study tests a new medication to see if it can improve how your body responds to insulin and boost your cells' energy (mitochondrial function). It is for adults with type 1 diabetes who are already on insulin and have good overall health.
Seattle, WashingtonAges 18–69 - NCT07015905RecruitingPhase 3
Study of REGN7508 vs. standard blood thinners after knee replacement
This trial compares a new blood thinner called REGN7508 to two standard blood thinners (apixaban and enoxaparin) to prevent blood clots after total knee replacement surgery. The goal is to see which is safer and more effective.
Sheffield, AlabamaAges 18 years+ - NCT07634484RecruitingPhase 4
Pemafibrate for high cholesterol not controlled by statins
This study tests whether pemafibrate, a new medication, can lower cholesterol better when added to statin treatment in patients whose cholesterol remains high despite taking statins regularly. The goal is to see if this combination reduces heart disease risk.
HokkaidoAges 18 years+ - NCT06274528RecruitingPhase 2
DORA and lemborexant in Alzheimer's biomarkers study
This study is testing whether a sleep medication called lemborexant can improve sleep and reduce Alzheimer's-related proteins in healthy older adults with no memory problems. It could help find new ways to delay or prevent Alzheimer's disease.
St Louis, MissouriAges 65 years+ - NCT07531251RecruitingPhase 4
Barth Syndrome Heart Treatment Study
This trial tests a medicine called elamipretide (4TAZ) in boys with Barth Syndrome, a genetic condition affecting the heart and muscles. The goal is to see if this medicine can help improve heart function and how the body uses energy.
Needham, MassachusettsAges 5–55 - NCT07699120Enrolling by invitationPhase 1
Testing BRC-002 safety in healthy volunteers
This trial checks how safe BRC-002 is in healthy people and how it affects the body with and without food. It helps researchers understand the right dose and any side effects.
Toronto, OntarioAges 18–55 - NCT05943535RecruitingPhase 3
Breathing treprostinil to slow progressive lung scarring
This Phase 3 trial tests whether inhaled treprostinil can slow progression of lung fibrosis (scarring) that keeps getting worse despite standard care. It also looks at safety, because inhaled medicine can cause side effects and needs careful monitoring.
Birmingham, AlabamaAges 18 years+ - NCT07169279RecruitingPhase 2
Study of infigratinib for children under 3 with achondroplasia
This trial tests an oral medication called infigratinib to see if it can help young children with achondroplasia. It is for children under 3 years old who have a confirmed genetic diagnosis.
Oakland, CaliforniaAges birth–2.7 years - NCT05755386RecruitingPhase 3
Iptacopan for idiopathic IC-MPGN with heavy protein in urine
This trial tests iptacopan (an add-on medicine) in people with idiopathic immune-complex membranoproliferative glomerulonephritis (IC-MPGN), a kidney disease causing significant protein loss in urine. It aims to improve kidney outcomes and safety when added to standard treatments.
Los Angeles, CaliforniaAges 12–60 - NCT06464367RecruitingEarly Phase 1
Psilocybin study for migraine and healthy volunteers
This study looks at how psilocybin affects the brain in people with migraines and in healthy volunteers. The goal is to understand why it may help with headache disorders.
West Haven, ConnecticutAges 21–70 - NCT06712654RecruitingPhase 2
Testing AP306 for high phosphate in dialysis patients
This trial tests a new medication called AP306 for people on hemodialysis who have high blood phosphate. It aims to see if the drug is safe, tolerable, and helps lower phosphate levels.
Huntsville, AlabamaAges 18 years+ - NCT07274254RecruitingPhase 3
Lidocaine to reduce opioid use for sickle cell pain crisis
This trial tests if adding lidocaine to standard pain treatment can reduce the amount of morphine or oxycodone needed for a severe pain crisis or acute chest syndrome in sickle cell disease. It is for adults in the ICU who have already started opioid treatment within the last 72 hours.
BordeauxAges 18 years+ - NCT05712200RecruitingPhase 3
Abelacimab for atrial fibrillation when blood thinners aren’t suitable
This Phase 3 study tests whether abelacimab can prevent stroke and other blood-clot problems in people with atrial fibrillation (or atrial flutter) who cannot safely take usual mouth blood thinners. It also looks at safety, especially bleeding risk.
Birmingham, AlabamaAges 65 years+ - NCT07525544RecruitingPhase 1
Safety Study of VH4770359 in Healthy Adults
This is an early-stage safety study testing a new investigational drug (VH4770359) in healthy volunteers. Researchers want to understand how the body processes the drug and ensure it is safe and well-tolerated.
Baltimore, MarylandAges 18–55 - 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 - NCT04939051RecruitingPhase 2
Obeticholic acid to prevent Barrett’s esophagus worsening
This Phase 2 trial tests whether obeticholic acid (a medicine) can help stop Barrett’s esophagus from getting worse. You must already be taking acid-suppressing medicine and have non-cancer Barrett’s changes, and the study checks safety and whether the lining improves or stays stable.
Kansas City, KansasAges 18 years+
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,245 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.