Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,902 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07639177RecruitingPhase 2
Fecal Microbiota Transplant for Hard-to-Treat Rheumatoid Arthritis
This trial tests whether transferring healthy gut bacteria from a donor to patients with rheumatoid arthritis that hasn't improved on standard medications can reduce joint pain and swelling. The goal is to see if rebalancing the gut microbiome (the community of bacteria in your intestines) helps control inflammation.
Beijing, Beijing MunicipalityAges 18–65 - NCT07641335Recruiting
Caffeine's Effects on Chess Playing and Thinking Skills
This study tests whether caffeine helps professional chess players think more clearly and play better. Researchers will measure your chess performance and mental focus after you take caffeine or a placebo.
St Louis, MissouriAges 18–50 - 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 - NCT07638865Recruiting
CoQ10 supplement for enlarged prostate symptoms
This trial tests whether a natural supplement called CoQ10 (Ralivia) can help reduce urinary symptoms caused by an enlarged prostate. You'll take the supplement and have your symptoms monitored over time.
ThessalonikiAges 50–80 - NCT07641075Recruiting
High-Dose Vitamin D Effects in Experienced Athletes
This study tests whether high-dose vitamin D supplements improve athletic performance, brain function, and body composition in experienced athletes. Researchers will measure hormones, muscle strength, thinking ability, and muscle mass over time.
Katowice, Mikołowska 72aAges 17–60 - 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+ - NCT07630545RecruitingPhase 1
Testing a new drug for Parkinson's disease
This study tests an experimental drug, MTX325, in people with Parkinson's disease. The goal is to see if it is safe and how the body processes it, which may lead to new treatment options.
AdelaideAges 18–75 - NCT07630506RecruitingPhase 2
Folinic Acid for Autism in Children Ages 3–10
This study tests whether folinic acid (a type of B vitamin) can help improve symptoms of autism in children. Researchers want to see if this supplement, combined with your child's current treatments, might make a difference.
Singapore, SingaporeAges 3–10 - NCT07637981RecruitingPhase 2
Safety Study of DX243 for Hearing Loss in Noise
This study tests a new medicine (DX243) to see if it is safe and well-tolerated in people with hearing difficulties, especially trouble hearing speech in noisy environments. The goal is to understand how the body processes this medicine and whether it might help improve hearing.
Liège, LiègeAges 18–75 - NCT07634770RecruitingPhase 1
Oral insulin study compared to injected insulin
This early-stage study tests whether a new oral (swallowed) form of insulin called SCD0503 works as well as regular injected insulin in men with type 1 diabetes. Researchers will also check how food affects how your body absorbs the oral insulin.
Neuss, North Rhine-WestphaliaAges 18–64 - NCT07630584Recruiting
How a New Infant Formula Supplement Affects Healthy Babies
This study tests a dietary supplement for healthy newborns to see if it helps them grow well and digest food properly. Researchers will collect stool samples and track the baby's health over time.
Cavite City, ManilaAges 2 weeks–4 weeks - NCT07629778RecruitingPhase 1/Phase 2
HL-300 Ointment for Mild-to-Moderate Atopic Dermatitis
This study tests a new ointment (HL-300) designed to treat mild-to-moderate atopic dermatitis (a chronic skin condition causing itching and inflammation). You would apply it to affected skin areas to see if it safely reduces symptoms.
Hangzhou, ZhejiangAges 18–75 - NCT07633288RecruitingPhase 2
AP1189 Safety and Efficacy for Severe Respiratory Viral Infection
This trial tests whether an experimental drug called AP1189, added to standard hospital care, can help people hospitalized with severe breathing problems from viruses like COVID-19, flu, or RSV. The goal is to see if it reduces the need for mechanical ventilation or other life support.
Mostar, Herzegovina-Neretva CantonAges 18 years+ - NCT07634484RecruitingPhase 4
Pemafibrate for high cholesterol not controlled by statins
This study tests whether pemafibrate, a new medication, can lower cholesterol better when added to statin treatment in patients whose cholesterol remains high despite taking statins regularly. The goal is to see if this combination reduces heart disease risk.
HokkaidoAges 18 years+ - NCT07633301RecruitingPhase 2
TAK-360 Study for Adults With Narcolepsy Type 1
This study tests a new medication called TAK-360 to help adults with narcolepsy type 1 (a condition that causes extreme daytime sleepiness and sudden muscle weakness called cataplexy) feel more alert during the day. The goal is to see if this treatment is safe and effective for managing narcolepsy symptoms.
Redwood City, CaliforniaAges 18–70 - NCT07629999RecruitingPhase 1
Safety study of experimental drug BMS-986533 in healthy people
This early-stage study tests how a new experimental drug (BMS-986533) is processed and tolerated by healthy volunteers. Researchers will also check how food and stomach acid affect the drug, and whether it interacts with other medications.
Lincoln, NebraskaAges 18–55 - NCT07633197Enrolling by invitationPhase 1
Testing a new shingles vaccine for adults over 40
This study tests a new vaccine to protect against shingles (herpes zoster), a painful skin infection that can affect people as they age. You would receive the vaccine and be monitored to see if it's safe and how your body responds.
Zhengzhou, HenanAges 40 years+ - NCT07630233RecruitingPhase 1
Safety and effects of UBT38006 injection in healthy men
This early-stage study tests a new injectable medication (UBT38006) in healthy adult men to understand how safe it is and how the body processes it. Researchers want to make sure the injection doesn't cause serious side effects and works as expected.
Hefei, AnhuiAges 18–45 - NCT07632573RecruitingPhase 1
Safety Study of BDHK-2009 Tablets in Healthy Adults
This is an early-stage safety study testing a new experimental tablet called BDHK-2009 in healthy volunteers with no major illnesses. Researchers want to make sure the drug is safe and well-tolerated before testing it in people with medical conditions.
Hangzhou, ZhejiangAges 18–55 - NCT07635186RecruitingPhase 2
AHB-137 injection for treatment-naïve chronic hepatitis B
This study tests a new injection called AHB-137 in people with chronic hepatitis B who have never received antiviral treatment. The goal is to see if it can help reduce the hepatitis B virus in the body and improve liver health.
Beijing, Beijing MunicipalityAges 18–65 - NCT06125327RecruitingPhase 2/Phase 3
SC1011 for idiopathic pulmonary fibrosis (IPF)
This trial tests a new medication called SC1011 taken twice a day, compared to a placebo, to see if it can help people with IPF. It is for patients who were diagnosed within the last 5 years and have moderate lung function.
Beijing, Beijing MunicipalityAges 40–80 - NCT07636759Recruiting
AI Heart Rhythm Test for Heart Pump Weakness
This study tests whether an artificial intelligence system can detect a weakened heart pump using an ECG (heart rhythm test). If successful, it could help doctors diagnose heart problems faster and more easily.
Suwon, Gyeonggi-doAges 19 years+ - NCT07637487Recruiting
Tocotrienol supplement study for healthy middle-aged adults
This study tests whether tocotrienol, a form of vitamin E from palm oil, can help reduce aging-related cell damage in people aged 35–64. Researchers will check if this supplement is safe and effective for generally healthy adults.
Kuala Lumpur, Kuala LumpurAges 35–50
Hear when a new Placebo - Control trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,902 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.