Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,945 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04476901RecruitingPhase 2
Study of donor stem cell treatment for non-ischemic heart failure
This Phase 2 trial tests whether donor “MSC” cells can improve heart function in people with non-ischemic dilated cardiomyopathy and reduced pumping strength. You may be eligible if your condition is already treated with standard heart medicines and you can safely undergo a heart catheterization and follow-up testing.
Stanford, CaliforniaAges 18–80 - NCT06196203RecruitingPhase 2
Study of AK117 with Azacitidine for High-Risk MDS
This trial tests a new drug, AK117, combined with azacitidine for people newly diagnosed with high-risk myelodysplastic syndromes (MDS), a blood disorder. The goal is to see if the combination can help improve outcomes.
Los Angeles, CaliforniaAges 18 years+ - NCT06475105RecruitingPhase 4
Acetazolamide and Furosemide for Acute Heart Failure
This trial tests whether adding an oral water pill (acetazolamide) to standard IV furosemide helps people with acute heart failure who have fluid overload. It aims to see if the combination improves outcomes better than furosemide alone.
Semarang, Central JavaAges 18 years+ - NCT06475391Recruiting
L-arginine supplement for exercise performance
This study tests whether taking L-arginine (a natural amino acid supplement) can improve your performance during short, intense exercise like sprinting or weightlifting. If you are a healthy, active adult, you may be able to join.
Winnipeg, ManitobaAges 18–39 - NCT06164613RecruitingPhase 2
Cinnamon for Inducing Labor in First-Time Teen Pregnancies
This study tests whether cinnamon capsules can help start labor in first-time pregnant teens who are full-term. It compares cinnamon to a placebo (fake pill) to see if it is safe and effective for inducing labor.
Tegucigalpa, Francisco Morazán DepartmentAges 14–45 - NCT06215716RecruitingPhase 3
Efruxifermin for NASH/MASH with liver scarring
This study tests a new medicine, efruxifermin, for people with NASH/MASH (fatty liver disease) and moderate liver scarring. It aims to see if the drug can help improve the liver's condition.
Birmingham, AlabamaAges 18–80 - NCT06377761Recruiting
Qishen granules for heart failure with preserved pumping function
This trial tests a Chinese herbal medicine called Qishen Granules for people with heart failure who still have a normal pumping ability (ejection fraction 50% or higher). It may help reduce symptoms and improve heart function.
Guangzhou, GuangdongAges 18–85 - NCT06343870RecruitingPhase 3
Hormone implants for menopause after cervical cancer or early menopause
This trial tests hormone implants (estradiol and testosterone) to treat menopause symptoms in women who have had their ovaries and uterus removed due to cervical cancer, or who have early menopause. The implants are placed under the skin and may help with hot flashes, mood, and sexual health.
São Paulo, São PauloAges 18–60 - NCT05711394RecruitingPhase 3
Atogepant for preventing episodic migraine in children
This study tests whether an oral medicine called atogepant can reduce migraine activity in children ages 6–17 and checks its side effects. It’s meant for kids with episodic migraine (not the more constant types) who may benefit from preventive treatment.
Huntsville, AlabamaAges 6–17 - NCT06422273Enrolling by invitationPhase 3
TXA vs Saline to Prevent Bleeding After Lung Transplant Biopsy
This trial tests whether a medication called tranexamic acid (TXA) can help prevent bleeding after a lung transplant biopsy. It compares TXA to a saltwater solution (saline) to see if it reduces the need for procedures to stop bleeding.
Grand Rapids, MichiganAges 18 years+ - NCT06440525RecruitingPhase 2
Testing RSLV-132 for Sjögren's disease in women
This study tests an investigational drug called RSLV-132 in women with Sjögren's disease to see if it can reduce symptoms like fatigue and dryness. You may join if you've been diagnosed in the last 30 years and have persistent symptoms.
Chula Vista, CaliforniaAges 18–75 - 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 - 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 - 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 - NCT07497594Recruiting
Twice-yearly shots to prevent HIV
This trial tests a new HIV prevention medicine called lenacapavir, given as a shot every six months. It's for young people at risk of HIV who haven't used PrEP before or have had gaps in their PrEP use.
Manaus, AmazonasAges 16–30 - 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
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,945 recruiting placebo - control 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 - control 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 - control 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.