Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,905 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07194590RecruitingPhase 2
Equol and blood vessel health in women with kidney disease
This trial tests whether a supplement called equol, made from soy, can improve blood vessel function in postmenopausal women with moderate to advanced chronic kidney disease. Participants take equol or a placebo for several weeks to see if it helps their heart health.
Aurora, ColoradoAges 50 years+ - NCT07195318Recruiting
Fisetin supplement study for healthy aging
This study tests whether a natural supplement called fisetin can help people age more healthily. It is for Danish-speaking adults aged 50 and older who are not taking certain other supplements or medications.
HvidovreAges 50 years+ - NCT07202000RecruitingPhase 2
Exercise and a drug to reduce inflammation for heart failure with preserved ejection fraction
This trial tests whether combining exercise with a medication that blocks a protein called activin can reduce inflammation, improve heart function, and help with thinking in people with heart failure with preserved ejection fraction (HFpEF).
Boston, MassachusettsAges 40 years+ - NCT07196852Recruiting
Exercise training and redox status study
This trial looks at how exercise training affects your body's natural antioxidant systems. It may be a good fit if you have a higher body mass index but are otherwise healthy and not taking any medications or supplements.
Trikala, KariesAges 30–45 - NCT07202481Recruiting
Fiber supplements for constipation in women
This trial tests if two types of fiber—one from chicory and one from a plant husk—can help women with constipation move food through their intestines faster. It aims to find a gentle, non-drug option that might work better than what you eat now.
Belo Horizonte, Minas GeraisAges 18–59 - NCT07195552Recruiting
Quick immune effects study for healthy adults
This study tests a product that may quickly affect your immune system. It is for healthy adults who can follow a simple routine and have easy-to-find veins for blood draws.
Klamath Falls, OregonAges 18–75 - NCT05867849RecruitingPhase 3
Cannabidiol treatment for bipolar depression symptoms
This trial tests whether cannabidiol (CBD) can reduce symptoms of bipolar depression. You may be eligible if you have bipolar I or II and a current depressive episode while staying on approved mood-stabilizing or antipsychotic medication.
Vancouver, British ColumbiaAges 19–70 - NCT06940011RecruitingPhase 2
Endocalyx for hard-to-treat high blood pressure
This trial tests a new treatment called Endocalyx for people whose high blood pressure doesn't get better with multiple medications. It aims to see if Endocalyx can help lower blood pressure when standard medicines aren't enough.
Amsterdam, North HollandAges 18 years+ - NCT06279000RecruitingPhase 3
Colchicine for heart risk during major non-heart surgery
This study tests whether a low-cost, anti-inflammatory drug called colchicine can reduce heart complications after major non-heart surgery. If you have heart or blood vessel risk factors and are scheduled for a major operation, this trial may help protect your heart.
Sankt Gallen, Canton of St. GallenAges 45 years+ - NCT06942117Recruiting
Caffeine's effect on understanding speech in noise
This trial tests whether drinking caffeine helps young adults hear speech better in noisy places. If you have normal hearing, don't smoke, and don't have certain health issues, you might be able to join.
Istanbul, IstanbulAges 18–30 - NCT06286878RecruitingPhase 2/Phase 3
Dapagliflozin after a heart attack: recovery study
This trial tests whether a diabetes drug called dapagliflozin (also used for heart failure) can help people recover better after a recent heart attack. It's for adults who are already on standard blood thinners and have had a heart attack in the past week.
São Paulo, São PauloAges 18 years+ - NCT07184619RecruitingPhase 3
Evenamide for hard-to-treat schizophrenia (add-on study)
This trial tests a new medication, evenamide, added to your current antipsychotic treatment. It looks to see if it can help people whose schizophrenia has not responded well to standard therapies.
Los Angeles, CaliforniaAges 18 years+ - NCT07187401RecruitingPhase 1/Phase 2
Study of a new RNA drug for PNH anemia
This trial tests an experimental RNA drug (ALN-CFB) for people with PNH who still have low red blood cell counts despite taking a C5 inhibitor. The drug aims to block a protein (complement factor B) to improve anemia.
Toronto, OntarioAges 18 years+ - NCT07184931RecruitingPhase 3
Testing duvakitug for active Crohn's disease
This study tests a new drug called duvakitug for people with moderately to severely active Crohn's disease who haven't responded well to other treatments. It aims to see if the drug can reduce symptoms and improve quality of life.
Peoria, ArizonaAges 16–80 - NCT07184996RecruitingPhase 3
Study of duvakitug for moderate to severe ulcerative colitis
This study tests a new drug called duvakitug for people with moderate to severe ulcerative colitis that hasn't been helped enough by standard treatments. The goal is to see if this medicine can reduce inflammation and improve symptoms.
Peoria, ArizonaAges 16–80 - NCT07185269RecruitingPhase 1/Phase 2
Testing 626 for lupus: a phase 1/2 study
This trial tests a new drug called 626 for people with systemic lupus erythematosus (SLE). It aims to see if the drug is safe and effective at reducing disease activity.
Beijing, Beijing MunicipalityAges 18–70 - NCT07191483RecruitingPhase 2
Study of KYN-5356 for cognitive problems in schizophrenia
This trial tests an investigational drug, KYN-5356, to see if it can improve thinking and memory problems in adults with schizophrenia. You may join if your schizophrenia is stable and you take only one antipsychotic medication.
Little Rock, ArkansasAges 18–55 - NCT07184827RecruitingPhase 3
U101 capsules to prevent recurring UTIs in women
This trial tests an oral capsule called U101 to see if it can prevent recurrent urinary tract infections (UTIs) in women who have frequent UTIs. If you've had at least 2 UTIs in the last 6 months or 3 in the last year, you may be able to join.
Chiayi CityAges 20–75 - NCT07192211RecruitingPhase 2
Study of ADR-002K for Heart Failure Patients Having Bypass Surgery
This study tests an experimental drug (ADR-002K) for people with heart failure caused by blocked arteries who are about to have bypass surgery. The goal is to see if it helps the heart recover better after surgery.
Osaka, SuitaAges 18–80 - NCT07184944RecruitingPhase 3
Study of Duvakitug for moderate to severe Crohn's disease
This study tests a new drug called duvakitug to see if it can help maintain improvement in people with moderate to severe Crohn's disease. It's for patients who have already responded to treatment in a previous study.
Colorado Springs, ColoradoAges 16–80 - NCT07186101RecruitingPhase 2
Testing a new combo therapy for ulcerative colitis
This study tests two drugs together (LY4268989 and mirikizumab) in people with moderate to severe ulcerative colitis. It's for those whose current treatments didn't work well enough.
Scottsdale, ArizonaAges 18–80 - NCT07189390RecruitingPhase 2
Probiotic study for infants who had antibiotics at birth
This study tests whether giving a probiotic (a 'good' bacteria) to babies who received antibiotics shortly after birth can help their developing gut and immune system. Participants will receive a daily probiotic or placebo for about 6 weeks, and their health will be monitored.
Adelaide, South AustraliaAges Up to 4 weeks - NCT07187544Recruiting
Carbetocin and calcium for uterine tone during c-section
This study tests if giving carbetocin with calcium helps the uterus contract better after a planned c-section. It's for women at 37+ weeks without high risk for poor uterine tone.
Toronto, OntarioAges 18–45 - NCT07189936RecruitingPhase 2
Testing 2-HOBA for Immune Issues in Long COVID with POTS
This trial tests if a medication called 2-HOBA can help with ongoing immune system issues in people with Long COVID who also have POTS. It aims to reduce fatigue and other symptoms by calming overactive immune responses.
Nashville, TennesseeAges 18 years+
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,905 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.