Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,230 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06318442Recruiting
Preventing steroid-induced diabetes with a GLP-1 drug
This study tests whether a GLP-1 medication (a type of drug that helps control blood sugar) can prevent diabetes caused by steroid treatments. It is for people who have prediabetes or mild diabetes and are about to receive a short course of steroids.
LondonAges 18 years+ - NCT06341335RecruitingPhase 3
AK104 and AK109 plus paclitaxel for advanced stomach cancer
This trial tests a combination of two experimental immunotherapies (AK104 and AK109) with a standard chemo drug (paclitaxel) for people with advanced stomach or gastroesophageal junction cancer that has grown after initial treatment. The goal is to see if this new combination can help shrink tumors or slow the cancer better than chemo alone.
BeijingAges 18–75 - NCT07699809Recruiting
Thirst relief kit for thirst after colonoscopy prep
This trial tests whether a 'thirst relief kit' can help reduce thirst after the bowel preparation for a colonoscopy. If you are having a colonoscopy with hospital-based bowel preparation, you may be eligible to receive the kit or a placebo (a kit without active ingredients) to see if it helps with thirst.
São Paulo, São PauloAges 18 years+ - NCT01212250Recruiting
Carvedilol to prevent esophagus bleeding in cirrhosis
This trial tests whether carvedilol can prevent the first development of swollen veins (varices) in the esophagus in people with cirrhosis who do not have them yet. It may help lower the risk of future bleeding from those veins.
New Delhi, National Capital Territory of DelhiAges 18–75 - NCT06382155RecruitingPhase 2
Vosoritide for children with idiopathic short stature
This trial tests a medication called vosoritide to see if it can help children with unexplained short stature grow taller. It's for kids who are very short for their age but have normal growth hormone levels and no other known cause.
California City, CaliforniaAges 3–11 - NCT06757517RecruitingPhase 2
Nasal spray oxytocin for benzodiazepine withdrawal
This trial tests if a nasal spray containing the hormone oxytocin can help reduce withdrawal symptoms when stopping benzodiazepine (benzos) medications like Valium. You might be eligible if you have been taking a moderate to high daily dose of a benzodiazepine and are entering a hospital program to taper off.
Trondheim, TrøndelagAges 18–65 - NCT07650396RecruitingPhase 3
Steroid Injections for Long-Term Achilles Tendon Pain
This study tests whether steroid injections can help people with chronic Achilles tendon pain (the tendon at the back of your heel) who haven't improved with physical therapy and exercise. The injection is designed to reduce inflammation and pain in the middle part of the tendon.
RotterdamAges 18–65 - NCT06850805RecruitingPhase 3
Nasal spray for teens with chronic sinusitis without polyps
This study tests a new nasal spray (OPN-375) for teens aged 12–17 with chronic sinusitis but without nasal polyps. It aims to see if the spray improves symptoms like congestion and runny nose.
Gilbert, ArizonaAges 12–17 - NCT06376981RecruitingPhase 3
Hyaluronic acid injection for shoulder tendon pain
This trial tests if an injection of hyaluronic acid (a natural lubricant) can reduce pain and improve function in people with shoulder tendinopathy (irritation of a tendon). It’s for those who haven’t gotten better with other treatments like rest or physical therapy.
La Roche-sur-YonAges 18–65 - NCT06335420Recruiting
Can carrot juice prevent colon polyps from coming back?
This study tests whether drinking carrot juice every day can lower the chance that large colon polyps or early colon cancers will come back. Researchers want to see if the nutrients in carrot juice help protect the lining of the colon.
OdenseAges 18 years+ - NCT06345443Enrolling by invitation
Nicotinamide riboside for blood vessel health
This trial tests a nutritional supplement (nicotinamide riboside) to see how it affects blood flow in healthy adults. It may help understand how to support vascular health as we age.
Rochester, MinnesotaAges 35–70 - NCT06754605RecruitingPhase 1/Phase 2
Testing a new RSV vaccine for safety and immune response
This trial tests a new RSV vaccine in two phases. First, it will be given to healthy adults 18 and older to check safety. Then, it will be studied in adults 50 and older, including those with stable health conditions, to see if it helps protect against RSV, a common virus that can cause serious breathing problems in older people.
Langfang, HebeiAges 18–120 - NCT07419633Recruiting
Study on supplements to improve strength and thinking in older adults
This trial tests if two supplements, HMB and 2-HOBA, taken alone or together, can help improve muscle strength and mental function in healthy adults over 65. The goal is to see if these supplements can improve overall quality of life.
Montreal, QuebecAges 65 years+ - NCT07108777RecruitingPhase 2
L-carnitine to protect kidneys during cisplatin chemo
This trial tests if a supplement called L-carnitine can help prevent kidney damage caused by the chemotherapy drug cisplatin. It may be an option for newly diagnosed cancer patients who need cisplatin treatment.
Shibīn al KawmAges 18–75 - NCT04456816RecruitingPhase 2
Drug test for IgA? No—anti-PLA2R positive immune kidney disease
This Phase 2 trial studies AP1189 in people with a specific immune-related kidney disease called iMN and very high urine protein. It aims to see whether the drug is safe and tolerable and if it can reduce protein in the urine.
AarhusAges 18–85 - NCT07051603RecruitingPhase 1
Safety study of SAL0140 in healthy Chinese adults
This study tests the safety and how the body handles a new medicine (SAL0140) in healthy people. It helps doctors find the right dose and check for side effects.
Guangzhou, GuangdongAges 18–65 - NCT06240689RecruitingPhase 2
Immune maintenance therapy after chemoradiotherapy for head and neck cancer
This trial tests whether adding an immune checkpoint inhibitor (a drug that helps your immune system fight cancer) as maintenance therapy after chemoradiotherapy improves outcomes for people with locally advanced head and neck cancer. It specifically looks at a marker in your blood (CD8Tex cells) to see if you might benefit.
Hangzhou, ZhejiangAges 18–75 - NCT07629505Recruiting
CoQ10 supplement for chronic pelvic pain in men
This trial tests whether a CoQ10 supplement (Ralivia) can reduce chronic pelvic or perineal pain lasting at least 3 months. The study aims to see if this supplement helps relieve symptoms when other treatments haven't fully worked.
ThessalonikiAges 18–50 - NCT05913180RecruitingPhase 2
Vitamin C to prevent urine infections after gynecologic surgery
This Phase 2 study tests whether taking vitamin C can lower the chance of getting a urinary tract infection (UTI) after planned gynecologic surgery. It may help people who want to reduce post-surgery infection risk.
MoscowAges 18–80 - NCT05275686RecruitingPhase 2
Fluticasone spray system for long-term ear pressure problems
This Phase 2 study tests a new way of delivering a steroid medicine (fluticasone) through the nose to treat eustachian tube dysfunction, which can cause ear pressure, popping, or discomfort. It may help by reducing swelling around the eustachian tube so the ear can drain and equalize pressure better.
Los Angeles, CaliforniaAges 18–80 - NCT06108063RecruitingPhase 1/Phase 2
Losartan to prevent knee stiffness after replacement
This study tests whether losartan, a blood pressure medicine, can prevent excessive scar tissue (arthrofibrosis) after a total knee replacement. Participants receive losartan or a placebo for 6 months after surgery to see if it improves knee motion and reduces stiffness.
Vail, ColoradoAges 18 years+ - NCT06182969RecruitingPhase 1/Phase 2
APG-2575 for mild to moderate lupus
This trial tests an experimental drug called APG-2575 for people with mild to moderate lupus. It aims to see if the drug can help control lupus activity and improve symptoms.
Shanghai, Shanghai MunicipalityAges 18–65 - NCT03764098RecruitingPhase 2
Guanfacine to reduce heavy drinking in adults with alcohol use disorder
This Phase 2 study tests whether guanfacine can reduce drinking in women and men who drink heavily and meet criteria for alcohol use disorder. It also looks at how the medicine affects drinking patterns in a controlled setting.
New Haven, ConnecticutAges 21–70 - NCT06263660RecruitingPhase 2
Keto supplement for depression with inflammation
This study tests a keto-like supplement to see if it helps change how the brain responds to emotional situations in people with depression and higher inflammation. It involves MRI brain scans and blood tests.
Tulsa, OklahomaAges 18–65
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,230 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.