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
- NCT06969287RecruitingPhase 3
Testing fluvoxamine to prevent confusion after surgery
This trial tests if a medication called fluvoxamine can help prevent delirium (sudden confusion and disorientation) after non-cardiac surgery. If you are having surgery that requires at least a 2-day hospital stay, this study may be for you.
St Louis, MissouriAges 60 years+ - NCT06965998RecruitingPhase 2/Phase 3
Comparing two doses of rivaroxaban for leg vein clots
This trial tests if a full dose of rivaroxaban (a blood thinner) works better than a lower preventive dose for treating a superficial vein clot in the leg. It aims to find the safest and most effective way to stop the clot from getting worse or causing a more serious clot.
Ottawa, OntarioAges 18 years+ - NCT06969170RecruitingPhase 2
Psilocybin oral solution for generalized anxiety disorder trial
This study tests a psilocybin oral solution in adults with generalized anxiety disorder (GAD). It aims to see if the drug is safe, tolerable, and helpful for reducing anxiety symptoms.
Kingston, OntarioAges 18–60 - NCT06969937RecruitingPhase 2
Ketamine and Neurofeedback for Alcohol Use Disorder
This study tests whether combining ketamine with a brain-training technique called neurofeedback can help people reduce or stop drinking alcohol. It may offer a new treatment option for alcohol use disorder.
ZurichAges 18–65 - NCT06971224RecruitingPhase 2
Can a vitamin B3 supplement improve sleep?
This study tests whether a daily supplement called nicotinamide riboside (a form of vitamin B3) can improve sleep quality in healthy adults. If you are between 40 and 60 years old, have normal sleep, and are not taking sleep aids, you may be able to join.
BergenAges 40–60 - NCT06966778Recruiting
Oxybutynin to help bladder control after prostate surgery
This trial tests if the medicine Oxybutynin ER (a drug that helps relax the bladder) can help you regain bladder control sooner after robotic prostate surgery. Participants will be randomly assigned to receive either the drug or a placebo for a few weeks after surgery.
TaipeiAges 18 years+ - NCT06968559RecruitingPhase 3
Early steroid treatment for severe burns
This study tests whether giving a steroid called dexamethasone early after a severe burn can reduce serious complications and the risk of death. It is for adults on a breathing machine with large burns.
Chambray-lès-ToursAges 18–80 - NCT06971354Recruiting
Treatment for rumination syndrome
This trial tests a treatment for rumination syndrome, a condition where food is brought back up from the stomach into the mouth. It may help if you have this syndrome and no other major medical issues.
BarcelonaAges 18–75 - NCT03885245RecruitingPhase 2
L-citrulline supplement for overweight adults with later-onset asthma
This Phase 2 trial tests whether adding L-citrulline can improve asthma control in overweight adults whose asthma started later in life. It compares your asthma symptoms and lung testing results to see if the supplement helps when asthma is already being treated.
Durham, North CarolinaAges 18–65 - NCT02811510RecruitingPhase 1
Study of THC effects on people with past cannabis use
This Phase 1 study tests how THC (the main active ingredient in cannabis) affects healthy adults, and whether effects differ by gender. It’s designed to learn about short-term body and brain responses to THC.
West Haven, ConnecticutAges 18–55 - NCT03762395RecruitingPhase 2
Study of anti-inflammatory asthma molecules in adults
This Phase 2 study tests anti-inflammatory lipid mediators in people with asthma. You may be eligible if your asthma is not well controlled despite regular inhaler use and you meet the specific lung function and health criteria.
Aurora, ColoradoAges 18–65 - NCT06346093Recruiting
Fecal transplant for advanced stomach cancer
This trial tests whether a fecal transplant (a stool donation from a healthy person) can help patients with advanced stomach cancer respond better to treatment. If you qualify, you would receive the transplant through a colonoscopy, possibly along with other standard therapies.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT05955001RecruitingPhase 2/Phase 3
Tadalafil for early urinary symptoms after prostate surgery
This trial studies whether daily tadalafil (5 mg) can improve early urinary trouble and erection function after endoscopic prostate tissue removal. It may help men whose urinary symptoms continued even after prior medicine.
Al Mansurah, Dakahlia GovernorateAges 40–80 - NCT06959251Recruiting
Glycine and magnesium with thiamine for primary ciliary dyskinesia
This trial tests whether a combination of glycine, magnesium, and thiamine can help people with primary ciliary dyskinesia (a condition that affects the tiny hairs in your lungs). It aims to see if these supplements improve breathing and reduce lung problems.
Mexico CityAges 5 years+ - NCT06961214RecruitingPhase 3
Depemokimab for COPD with type 2 inflammation
This study tests a new biologic medicine, given as an injection, to see if it can reduce flare-ups in adults with COPD who have a certain type of inflammation. It may help people who still have frequent exacerbations despite using their current inhalers.
Sheffield, AlabamaAges 40–80 - NCT06962098RecruitingPhase 2
Study of isuzinaxib for diabetic kidney disease
This trial tests an investigational drug called isuzinaxib (APX-115) for people with type 2 diabetes and diabetic kidney disease (DKD). The goal is to see if it can help protect kidney function. Participants must have stable kidney lab values and be on certain blood pressure or diabetes medications.
Ansan-siAges 19 years+ - NCT06955416RecruitingPhase 2/Phase 3
REAMBERIN for rehydration in diabetic ketoacidosis
This trial tests a solution called REAMBERIN to help rehydrate people with diabetic ketoacidosis (DKA). If you are 18–75 and have DKA with very high blood sugar and acidic blood, you may be able to join.
ArkhangelskAges 18–75 - NCT06960213RecruitingPhase 3
Study of ADX-324 for preventing HAE attacks
This study tests a new medicine called ADX-324 to see if it can prevent HAE attacks in adults with type I or II HAE. If you've had attacks recently and are willing to pause your current prevention medication, this trial may be an option.
Litchfield Park, ArizonaAges 18 years+ - NCT06961006RecruitingPhase 2
Study of an experimental vaccine plus pembrolizumab for melanoma
This trial tests an experimental personalized cancer vaccine (V940) combined with pembrolizumab (Keytruda) in people with advanced melanoma that cannot be removed by surgery. The goal is to see if this combination helps the immune system fight the cancer better.
Springdale, ArkansasAges 18 years+ - NCT06961968RecruitingPhase 3
Schizophrenia medication withdrawal study
This study tests whether patients with schizophrenia can safely stop or reduce their current medication without worsening symptoms. It is designed for people who need ongoing psychiatric care.
Rogers, ArkansasAges 18–65 - NCT06959095RecruitingPhase 3
Depemokimab for adults with COPD and type 2 inflammation
This trial tests a new biologic medicine called depemokimab, given as an injection, to see if it reduces flare-ups (exacerbations) in people with COPD who have a specific type of inflammation (high eosinophils). It may help if you have frequent flare-ups despite using your regular inhalers.
Bakersfield, CaliforniaAges 40–80 - NCT06957808Recruiting
Diroximel fumarate brain health study for schizophrenia
This trial tests if a drug called diroximel fumarate can help increase a natural antioxidant (glutathione) in the brain for people with schizophrenia. It aims to see if lowering inflammation and boosting brain protection might improve symptoms.
London, Greater LondonAges 18–65 - NCT06961136Recruiting
Herbal medicine for recovery after heart bypass surgery
This trial tests if a traditional Chinese herbal formula (Fuzheng Yangxin Prescription) can help people recover faster after coronary artery bypass surgery. It is for people who have a specific pattern of symptoms (called Qi-Yin deficiency) after their operation.
Beijing, Beijing MunicipalityAges 25–85 - NCT06958835Recruiting
Linezolid plus standard care for staph bloodstream infections
This trial tests whether adding linezolid, an antibiotic that stops bacteria from making proteins, to usual care works better for treating Staphylococcus aureus bloodstream infections. You may be eligible if you have this infection and are hospitalized.
Aarau, Canton of AargauAges 18 years+
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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.