Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,962 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06421818RecruitingPhase 2
Baitouweng Decoction for ulcerative colitis with damp-heat
This trial tests a traditional Chinese herbal formula called Baitouweng Decoction for people with mild to moderate ulcerative colitis who also have a specific pattern of symptoms called 'damp-heat' in the large intestine. It aims to see if the medicine can help reduce inflammation and improve symptoms.
Nanjing, JiangsuAges Any age - NCT06423235RecruitingPhase 4
Prunella oral liquid for thyroid nodules
This trial tests if an herbal liquid made from prunella can shrink benign thyroid nodules. It may be an option for people with solid, non-cancerous nodules who want to avoid surgery.
Chongqing, Chongqing MunicipalityAges 18–65 - NCT06424834RecruitingPhase 2/Phase 3
Targeted medicines for chest pain without blocked arteries
This study tests if specific heart medicines (like beta-blockers or calcium channel blockers) can help people with chest pain that is not caused by blocked arteries. It aims to treat the tiny blood vessels or spasms that may be the real cause of your pain.
Palo Alto, CaliforniaAges 18 years+ - NCT06425120RecruitingPhase 4
Xuesaitong for heart disease risk factors
This trial tests whether Xuesaitong soft capsules can improve major risk factors in people with stable coronary heart disease who are already on cholesterol-lowering and antiplatelet medications. You may be able to join if you have chronic coronary artery disease and certain signs of inflammation.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06425042Recruiting
Nicotinamide riboside with exercise for healthy aging
This study tests whether a daily supplement called nicotinamide riboside (a form of vitamin B3), combined with a supervised exercise program, can help promote healthy aging and improve how well your body functions. You would take the supplement or a placebo for 12 weeks while doing light to moderate exercise.
Santiago, Santiago MetropolitanAges 60–80 - NCT06426147Recruiting
Citrulline for hospitalized children with fever
This trial tests if L-citrulline, a natural substance, can help young children (1 month to 5 years) who are hospitalized with fever and are at moderate to high risk for severe illness. It aims to improve their recovery and reduce complications.
HararAges birth–5 years - NCT06427694Recruiting
Long-Term Follow-Up of Low-Dose IL-2 After Heart Attack
This study is checking on people who finished a previous trial (IVORY) that tested a low-dose treatment called IL-2 for reducing inflammation after a heart attack. It will see how they are doing over time and if the treatment helped their heart health.
Cambridge, CambridgeshireAges 18–85 - NCT06428682RecruitingPhase 4
TXA for Bleeding in Breast Reconstruction with Free Flaps
This trial tests whether a medicine called TXA (tranexamic acid) can help reduce bleeding during breast reconstruction using your own abdominal tissue. It's for women having this surgery at UVA Medical Center.
Charlottesville, VirginiaAges 18 years+ - NCT06429176RecruitingPhase 2
SPL84 for cystic fibrosis with 3849+10kb mutation
This trial tests a new drug called SPL84 for people with cystic fibrosis who have a specific gene mutation (3849+10kb C->T). It aims to see if the drug is safe and can improve lung function. The study has two paths: one for people not taking certain CF drugs, and one for those who are already on Trikafta or Alyftrek.
Los Angeles, CaliforniaAges 18 years+ - NCT06429982RecruitingPhase 1
Dexamethasone for children with rhabdomyolysis
This study tests whether adding a steroid medicine called dexamethasone to the usual treatment helps children with rhabdomyolysis recover faster. It is for children whose muscle breakdown is not due to trauma and who are not already on steroids.
Washington D.C., District of ColumbiaAges 6 months–25 years - NCT06431932RecruitingPhase 1/Phase 2
Fisetin for healthy and older adults with multiple conditions
This trial tests a pill called fisetin, which may help clear aging cells from the body. It is studying two groups: healthy younger adults and older adults with multiple health problems who have recently been in the hospital.
HvidovreAges 20 years+ - NCT06433921RecruitingPhase 1
Comparing two asthma rescue inhalers with different propellants
This study compares two versions of the common asthma rescue inhaler (salbutamol/albuterol) that use different propellants (the gas that pushes the medicine out). The goal is to see if the new propellant works as well as the current one. If you have mild asthma and are on a stable treatment plan, you may be able to join.
ManchesterAges 18–65 - NCT06435858RecruitingPhase 2
SGLT2 inhibitor for calcium and magnesium in ADPKD
This study tests whether a medicine called an SGLT2 inhibitor (a type of diabetes drug) can help control calcium and magnesium levels in people with a genetic kidney disease called ADPKD. The goal is to see if it improves kidney health over a short period.
Zurich, Canton of ZurichAges 18–75 - NCT06438445Recruiting
Royal Jelly Supplement for Kidney Disease on Dialysis
This study tests whether a daily supplement called royal jelly can help people with chronic kidney disease who are on dialysis. Researchers will check if it improves health markers.
Rio de Janeiro, Rio de JaneiroAges 18–70 - NCT06439563RecruitingPhase 3
Testing JP-1366 to prevent NSAID-related stomach ulcers
This trial tests a new drug called JP-1366 to see if it can prevent stomach ulcers caused by long-term NSAID use (like ibuprofen or naproxen) for conditions such as arthritis. It may be a good fit if you need to take NSAIDs for at least 24 weeks and have a higher risk of ulcers.
SeoulAges 19 years+ - NCT06440746RecruitingPhase 2/Phase 3
Testing olokizumab for progressive lung scarring diseases
This trial tests a drug called olokizumab to see if it can slow down worsening lung scarring (fibrosis) in people with certain types of progressive interstitial lung diseases. It's for patients whose lung function has declined despite current treatments.
BarnaulAges 18 years+ - NCT06441630RecruitingPhase 3
Testing two new high blood pressure medicines together
This trial tests a combination of two new medications (AD-227A and AD-227B) to see if they work better together for people with essential (common) high blood pressure. It could be a new treatment option to help control your blood pressure.
SeoulAges 19 years+ - NCT06441591RecruitingPhase 2/Phase 3
Study of vinpocetine for diabetic kidney disease
This trial tests whether vinpocetine, a medicine that helps blood flow, can improve kidney function in people with type 2 diabetes and moderate to advanced kidney disease (stages 3 and 4). It may offer a new way to protect your kidneys.
Cairo, AbbasseiaAges 18 years+ - NCT06443606RecruitingPhase 3
Bezafibrate for primary biliary cholangitis with incomplete UDCA response
This trial tests if adding bezafibrate (200 mg or 400 mg) to standard UDCA treatment can improve liver function in people with primary biliary cholangitis whose UDCA alone isn't working well enough.
ParisAges 18–80 - NCT06446245RecruitingPhase 2
Doxycycline for brain tuberculosis
This trial tests whether adding the antibiotic doxycycline to standard treatment can improve recovery in patients with tuberculosis of the brain (TB meningitis). It may help reduce brain swelling and damage.
Medan, MedanAges 21 years+ - NCT06446284Recruiting
ADHD memory and focus training study
This study tests a computer-based training program designed to improve attention, memory, and thinking skills in adults with ADHD. The goal is to see if this training can help with everyday tasks and focus.
Hartford, ConnecticutAges 12–18 - NCT06448923RecruitingPhase 2
CBD for Pain and Opioid Reduction After Fracture
This trial tests if cannabidiol (CBD) can help reduce pain and the need for opioids after a broken arm or leg. If you recently broke a bone and are between 18 and 70, you might be able to join.
Montreal, QuebecAges 18–70 - NCT06448767Recruiting
Probiotics for autism symptoms in children
This study tests whether a daily probiotic supplement (a mix of good bacteria) can help reduce autism symptoms in children. It lasts 3 months and involves filling out questionnaires about your child's behavior at the start and end of the trial.
Warsaw, WarsawAges 7–15 - NCT06451913RecruitingPhase 4
Probiotic for gut health during Lyme disease antibiotics
This trial tests if a probiotic (Saccharomyces boulardii) can help maintain healthy gut bacteria while you take antibiotics for the early skin rash of Lyme disease (erythema migrans). You'll take amoxicillin for 14 days, plus either the probiotic or a placebo.
LjubljanaAges 18 years+
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,962 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.