Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,910 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07641634RecruitingPhase 1/Phase 2
Testing PRO-203 for active systemic sclerosis
This trial tests a new investigational medicine called PRO-203 for people with systemic sclerosis (scleroderma). It aims to see if the medicine can help control active disease that hasn't responded to other treatments.
Melbourne, VictoriaAges 18–65 - NCT07642505RecruitingPhase 4
L-Citrulline and Tadalafil for Mild Erectile Dysfunction
This study tests whether two compounds—L-citrulline (a natural amino acid) and tadalafil (a common erectile dysfunction medication)—work well together for men with mild to moderate erectile problems. The goal is to see if this combination safely improves sexual function.
Banī Suwayf, Beni Suweif GovernorateAges 30–70 - NCT07642869Recruiting
Vitamins and minerals for healthy aging in middle-aged adults
This study tests whether taking a daily multivitamin and mineral supplement helps middle-aged adults stay healthier and more active as they age. Researchers will track changes in your fitness, energy, and overall wellness over the study period.
La Jolla, CaliforniaAges 40–60 - NCT07643558Recruiting
Fish oil and weight training for cancer patients' muscle health
This study tests whether taking fish oil supplements combined with progressive weight training exercises can help preserve or build muscle strength in cancer patients undergoing treatment. The goal is to help you maintain physical function and quality of life during cancer care.
Erlangen, BavariaAges 18 years+ - NCT07644000Recruiting
Hydrogen inhalation and exercise response in healthy women
This study tests whether breathing in molecular hydrogen before exercise affects how your body uses energy during physical activity. Researchers want to see if this simple intervention might improve exercise performance or recovery in healthy women.
OlomoucAges 18–30 - NCT07646587RecruitingPhase 2
Safety Study of WIN378 for Moderate-Severe COPD
This study tests a new drug called WIN378 in people with moderate-to-severe COPD (chronic lung disease). It will check if the drug is safe and how the body processes it, which may help improve breathing and reduce flare-ups.
Miami Lakes, FloridaAges 40–80 - NCT07647198RecruitingPhase 2
Green tea extract and vitamin D to prevent fibroid return
This study tests whether two natural supplements—green tea extract (EGCG) and vitamin D—can help prevent uterine fibroids from coming back after treatment. You would take these supplements for 12 months while avoiding pregnancy.
Abu Dhabi, United Arab Emirates (uae)Ages 18 years+ - NCT07647783RecruitingPhase 1
Safety Study of SYH2072 Tablet in Healthy Adults
This is an early-stage safety study testing a new experimental tablet called SYH2072 in healthy volunteers. Researchers will give increasing doses to understand how safe it is, how your body processes it, and what effects it has.
Beijing, Beijing MunicipalityAges 18–55 - NCT07650084RecruitingPhase 3
Testing BLU-5937 for hard-to-treat chronic cough
This 24-week study tests whether a new medicine called BLU-5937 can help adults whose chronic cough hasn't improved with standard treatments. Chronic cough that lasts a year or longer can seriously affect quality of life, and this trial explores whether this drug might provide relief.
Leshan, SichuanAges 18–80 - NCT07650123Recruiting
7-Ketolithocholic Acid for Prediabetes Treatment
This study tests whether a compound called 7-ketolithocholic acid can help people with prediabetes (blood sugar levels higher than normal but not yet diabetic) prevent or delay developing type 2 diabetes. Participants will take the study medication while following a healthy diet and exercise plan.
BordigheraAges 18–70 - NCT07650227RecruitingPhase 3
Raphamin for treating acute bronchitis in adults
This study tests whether a medicine called Raphamin can safely and effectively treat acute bronchitis (a chest infection with cough) in adults. Raphamin may help reduce cough and breathing problems in the early stages of this condition.
AramilAges 18–64 - NCT07651319RecruitingPhase 1/Phase 2
IL-2 and Semaglutide Treatment for Alzheimer's Disease
This study tests whether two drugs—IL-2 (an immune-boosting medication) and semaglutide (a diabetes drug that may help brain function)—can slow memory loss in people with Alzheimer's disease. Researchers believe these drugs together might help reduce brain inflammation and protect memory.
Houston, TexasAges 50–86 - NCT07651514Recruiting
Magnesium and Melatonin for Better Sleep and Leg Cramps
This study tests whether taking daily magnesium and melatonin supplements can help improve sleep quality and reduce nighttime leg cramps in adults. You'll wear a special ring to track your sleep and use a smartphone app to log your experiences.
Palm Beach Gardens, FloridaAges 40–75 - NCT07652047RecruitingPhase 1
Safety Study of CX11 Tablets for Weight Management
This study tests whether a new medication called CX11 is safe and well-tolerated at different doses in people with overweight or obesity. The goal is to understand how the body responds to the drug before larger trials test whether it helps with weight loss.
Las Vegas, NevadaAges 18–55 - NCT07652658RecruitingPhase 2
Study of AZD8965 for people with IPF
This trial tests a new drug called AZD8965 for Idiopathic Pulmonary Fibrosis (IPF). It aims to see if the drug can help people with IPF either on current treatments or not on standard therapy.
Birmingham, AlabamaAges 40 years+ - NCT07653620Recruiting
Hydration and women's life stages
This study looks at how hydration affects women at different stages of life (before, during, and after menopause). You'll be asked to exercise, drink certain amounts of water, and sometimes limit fluids so researchers can see how your body responds.
Bradenton, FloridaAges 18–60 - NCT07654114RecruitingPhase 2
Testing CTH120 for men with Fragile X syndrome
This trial tests a new medicine called CTH120 to see if it is safe and helpful for adult men with Fragile X syndrome. You may be able to join if you meet certain health and age requirements.
Barcelona, BarcelonaAges 18–45 - NCT07654140RecruitingPhase 2
Testing a new drug for uncontrolled high blood pressure
This trial tests a new drug called SAL0140 for people whose high blood pressure is not controlled by current treatments. It may help lower blood pressure when other medications haven't worked well enough.
Beijing, Beijing MunicipalityAges 18–75 - NCT07654413RecruitingPhase 4
Tamsulosin with or without tadalafil for catheter removal after urinary retention
This trial tests whether adding tadalafil to tamsulosin helps men pass a catheter removal test after a first-time urinary blockage caused by an enlarged prostate. The goal is to find which treatment works best to avoid needing a catheter again.
Banī Suwayf, Beni Suweif GovernorateAges 50 years+ - NCT07655180RecruitingPhase 3
Testing a new COVID-19 vaccine with or without another vaccine
This trial tests a new COVID-19 vaccine called VYD2311, alone or with another COVID-19 vaccine, in healthy adults. The goal is to see if it is safe and helps your body fight the virus.
Overland Park, KansasAges 18–49 - NCT07656350Recruiting
Cannabis-like drug and sleep loss study for anxiety
This study tests whether a cannabis-like drug can help people with higher-than-normal anxiety cope with a night of very little sleep. You will be asked to sleep only 4 hours on one occasion.
London, LondonAges 18–60 - NCT07656688RecruitingPhase 2
Finding the best dose for a dry eye treatment
This trial tests different doses of a new eye drop (HUC1-394) to see which dose works best for people with moderate to severe dry eye disease. You may qualify if your dry eye symptoms have lasted at least 3 months and you have low tear production along with other signs of dry eye.
SeoulAges 19 years+ - NCT07656727RecruitingPhase 2
A study of BGE-102 for obesity and heart risk
This trial tests an experimental drug called BGE-102 in people with obesity and signs of inflammation. It aims to see if the drug can help reduce body weight and improve heart health. Participants must be willing to keep a stable diet and exercise routine.
Chandler, ArizonaAges 18 years+ - NCT07657793RecruitingPhase 2/Phase 3
Sirolimus for Lupus-Related Low Platelets
This trial tests sirolimus, an immune-system-calming medicine, for people with lupus who also have very low platelet counts (ITP). It may help reduce bleeding risk and improve platelet numbers.
Beijing, Beijing MunicipalityAges 18–65
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,910 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.