Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,949 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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 - 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 - 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 - NCT06122207Recruiting
Probiotic for women with fertility issues and IVF
This study tests whether a probiotic (a pill with beneficial bacteria) can help improve the health of the female genital tract for people with fertility problems who are undergoing IVF. It aims to see if this can improve chances of pregnancy.
LisbonAges 18–45 - NCT07107256RecruitingPhase 3
Study of TQC2731 for chronic sinusitis with nasal polyps
This trial tests an injectable drug called TQC2731 for people with chronic sinusitis and nasal polyps that haven't been controlled well enough by standard treatments like steroid sprays or surgery. The goal is to see if it helps reduce nasal congestion, improve sense of smell, and shrink polyps.
Fuyang, AnhuiAges 18–75 - NCT06268184Recruiting
Omega-3 for stress and nutrition in kids on dialysis
This study tests whether taking omega-3 supplements (a type of healthy fat) can help reduce stress on the body and improve nutrition in children who are on regular hemodialysis. If your child fits the age and dialysis requirements and has not taken similar supplements recently, they may be able to join.
Tanta, Gharbia GovernorateAges 6–18 - NCT07285031Recruiting
Histamines and blood vessel health study
This study looks at how histamines affect blood pressure and heart function in healthy young adults. You will visit the lab three times to help researchers understand these effects.
Kelowna, British ColumbiaAges 19–39 - NCT07285291RecruitingPhase 3
Study of a new drug for high phosphorus in dialysis patients
This trial tests a new medicine called TS-172 for people with high phosphorus levels who are on hemodialysis. It aims to lower phosphorus levels and is taken along with your current phosphate binder medication.
TokyoAges 18 years+ - NCT03660917RecruitingPhase 2/Phase 3
Riluzole treatment for SCA7 nerve balance problems
This trial studies whether riluzole can help people with spinocerebellar ataxia type 7 (SCA7), a genetic condition that affects balance and coordination. It may help slow symptoms or improve daily function, and you’d be closely monitored for side effects.
RomeAges 7 years+ - NCT07286032RecruitingPhase 3
Study of a pill to raise low platelets after chemo
This study tests an investigational pill (hetrombopag) to see if it can safely raise platelet counts in people with solid tumors whose platelets drop after chemotherapy. If you are receiving platinum- or gemcitabine-based chemo and have low platelets due to chemo, this trial may be an option.
Los Alamitos, CaliforniaAges 18 years+ - NCT07612813RecruitingPhase 1
Safety study of AZD7760 in healthy Japanese adults
This is a Phase 1 safety study of a new investigational drug called AZD7760 in healthy Japanese volunteers. The trial will test how the body handles the drug and monitor for any side effects.
Sumida-kuAges 18–55 - NCT07280858RecruitingPhase 1/Phase 2
Testing a new sarbecovirus vaccine in healthy adults
This study tests a new vaccine called GBP511, designed to protect against several types of sarbecoviruses (including COVID-19). It is for healthy adults who have already received a primary COVID-19 vaccine series plus at least one booster, at least 24 weeks before joining.
Sydney, Kent StreetAges 18 years+ - NCT03681275RecruitingPhase 2
Prevent diaphragm weakness after esophagus surgery
This trial studies a medicine that blocks Janus kinase (JAK) signals, to help prevent breathing muscle weakness in the diaphragm after esophagus removal surgery. It may help patients who need a ventilator during recovery avoid “ventilator-induced” diaphragm dysfunction.
Stanford, CaliforniaAges 18 years+ - NCT05604131RecruitingPhase 2
Cardiac MRI-guided iron-chelator treatment after a heart attack
This Phase 2 trial tests whether giving deferiprone (an “iron-chelator,” meaning it helps remove excess iron) guided by cardiac MRI can improve outcomes after an acute anterior heart attack. It aims to study safety and benefit for people who can undergo MRI with contrast and meet specific heart, kidney, liver, and blood criteria.
Indianapolis, IndianaAges 18–79 - NCT03438526RecruitingPhase 4
Melatonin treatment for low-activity delirium in ICU patients
This trial tests whether giving melatonin (or a placebo) can help adults in the intensive care unit who have a specific type of confusion called low-activity delirium. It aims to improve recovery by supporting sleep–wake regulation in the ICU.
BaselAges 55 years+ - NCT07402551RecruitingPhase 2
Testing RC1416 injection for COPD flare-ups
This trial tests an injection called RC1416 for people with moderate-to-severe COPD who still have flare-ups despite using triple inhaler therapy. It may help reduce those flare-ups and improve breathing.
Hefei, AnhuiAges 40–85 - NCT07492134RecruitingPhase 2
Antibiotics vs placebo for mild diverticulitis
This study tests whether antibiotics are necessary for mild diverticulitis or if a placebo works just as well. Participants are treated in the emergency department and followed using a smartphone app.
Nashville, TennesseeAges 18–90 - NCT06311058Recruiting
Protein supplement study for ACL surgery recovery
This trial tests whether a protein supplement can help you recover strength and muscle after ACL surgery. You will continue your standard rehab and take a protein drink daily for several weeks.
Houston, TexasAges 16–40 - NCT07396857Recruiting
Sitting and blood pressure study for healthy adults
This study tests how substances from your blood vessels (EDHFs) help control blood pressure after you sit for a long time. It may help explain why sitting too much is bad for your heart.
Halifax, Nova ScotiaAges 18–65 - NCT07502924Recruiting
Testing Geranylgeraniol supplements for muscle health
This study tests whether taking a supplement called geranylgeraniol (GG) can improve muscle health. It is looking for physically active adults who are willing to follow specific dietary rules and avoid certain foods and supplements during the study.
Saint Charles, MissouriAges 30–60
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,949 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.