Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,904 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07504068Recruiting
Exercise and supplement for metabolic health in overweight adults
This trial tests whether a combination of physical exercise and a nutritional supplement can improve body composition, metabolism, and overall health in adults who are overweight and have early signs of metabolic problems. It may help you if you are looking for a non-drug approach to boost your health.
Valencia, ValenciaAges 50–65 - NCT07501377Recruiting
Diet and brain health study for women in menopause with overweight
This trial tests whether a diet rich in fiber and plant compounds (polyphenols) can reduce brain inflammation in perimenopausal women who are overweight. If you're in early menopause and have some inflammation, this study may show how diet affects your brain health.
Leipzig, SaxonyAges 35–60 - NCT07500974RecruitingPhase 2
L-menthol for breathing difficulty in asthma
This trial tests if L-menthol can help reduce breathlessness in people with asthma. You'll take L-menthol and see if it improves your breathing during exercise.
Karlskrona, Blekinge CountyAges 18 years+ - NCT07500649Recruiting
Study of SIRT6 activator for prefrail older men
This study tests a new compound (SIRT6 activator) to see if it can improve health in older men who are starting to feel a little frail. It involves skin samples and avoiding certain foods and medications.
Singapore, SingaporeAges 50–80 - 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 - NCT07506369Recruiting
How pancreatic polypeptide affects appetite fullness in healthy men
This study tests whether pancreatic polypeptide (a natural hormone) changes how full you feel when combined with another hormone called amylin. It may help us understand appetite control in healthy people.
Hellerup, Capital RegionAges 18–65 - NCT07501507RecruitingPhase 2/Phase 3
Methotrexate for hand osteoarthritis not helped by usual treatments
This trial tests if methotrexate, a medicine that reduces inflammation, can ease pain and improve function in people with hand osteoarthritis that hasn't gotten better with standard treatments like pain relievers or hand therapy.
NiceAges 40–85 - NCT04490720Recruiting
Buckwheat husk extract for heart risk factors
This trial studies whether buckwheat husk extract can improve certain heart-related measurements in people with mildly high blood pressure. It may help lower cardiovascular risk factors by affecting things like blood pressure.
TaipeiAges 20–65 - NCT07489690Recruiting
High-energy diet test for cold-weather military operations
This study tests whether a high-energy diet helps military personnel perform better in cold weather. Participants will follow special diets and do exercise tests in a cold environment.
Natick, MassachusettsAges 18–39 - NCT06162013RecruitingPhase 2
NAD supplement trial for atypical parkinsonism
This trial tests whether a supplement called nicotinamide riboside (NR) can help people with rare forms of parkinsonism (PSP, MSA, or CBS). It is a double-blind study, meaning neither you nor the doctors will know if you are getting the real supplement or a placebo.
Oslo, OsloAges 30–85 - NCT05576038Recruiting
Tryptophan to help celiac symptoms improve
This trial tests whether tryptophan (a natural amino acid) can improve symptoms in people with celiac disease who still have symptoms despite following a gluten-free diet. It may help by supporting an internal body signal pathway researchers believe is impaired in some people with celiac disease.
Hamilton, OntarioAges 18–75 - NCT07497698Recruiting
Saffron supplement for better sleep in adults
This study tests whether taking a saffron extract supplement can help improve sleep in middle-aged adults with mild to moderate sleep troubles. You would take a daily supplement for a few weeks and report how well you sleep.
Granada, GranadaAges 18–65 - NCT07496177RecruitingPhase 2
HTD1801 for kidney function in diabetes and kidney disease
This trial tests whether a new drug, HTD1801, can protect or improve kidney function in people with type 2 diabetes and chronic kidney disease. It may help slow kidney damage and reduce protein in urine.
Weifang, ShandongAges 18–75 - NCT07494253Enrolling by invitation
Mulberry leaf extract for blood sugar after meals in obese youth
This study tests if a mulberry leaf extract (Reducose) can help lower blood sugar spikes after meals in children and teenagers with obesity. The goal is to see if a natural supplement can improve glucose control.
BariAges 6–16 - NCT07491302RecruitingPhase 2
Platelet-rich plasma injection for thumb osteoarthritis
This study tests whether a platelet-rich plasma (PRP) injection into the thumb joint can reduce pain and improve function better than a placebo (inactive) injection. PRP uses a concentration of your own blood platelets to potentially help heal the joint, and the goal is to see if it's an effective non-surgical option for thumb osteoarthritis.
Breda, North BrabantAges 18 years+ - NCT07492160RecruitingPhase 2
Cabergoline for Breast Symptoms After Pregnancy Loss
This study tests whether a medication called cabergoline can help stop milk production and reduce breast discomfort after a pregnancy loss or abortion.
Brooklyn, New YorkAges 18 years+ - NCT07497347Recruiting
Amino acids and lifestyle for brain aging in older adults
This study tests whether taking a specific amino acid supplement, along with lifestyle changes, can help slow or improve brain aging in older adults who have mild depression. It aims to see if these nutrients can support brain health and mood.
BresciaAges 65–85 - 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 - NCT07496034RecruitingPhase 3
Gou-Teng-San for frequent migraines
This study tests a Chinese herbal formula called Gou-Teng-San (GTS) for preventing episodic migraines. It is for adults who have frequent migraines but have not tried many prevention medicines.
Taichung, SouthAges 18–70 - NCT07498517RecruitingPhase 2
Single dose of gruticibart to prevent blood clot complications
This trial tests if a single dose of a drug called gruticibart can help prevent blood clots caused by a central line (a special IV tube) inserted for cancer treatment. It may be an option for adults starting therapy that requires this type of IV access.
Portland, OregonAges 18 years+ - NCT07497594Recruiting
Twice-yearly shots to prevent HIV
This trial tests a new HIV prevention medicine called lenacapavir, given as a shot every six months. It's for young people at risk of HIV who haven't used PrEP before or have had gaps in their PrEP use.
Manaus, AmazonasAges 16–30 - NCT07497932Recruiting
Nutritional effects in heart surgery
This trial looks at whether adding a probiotic supplement before cardiovascular surgery can improve recovery. It studies the link between nutrition, gut health, and surgical outcomes.
New Taipei CityAges 50–80 - NCT07493265RecruitingPhase 2
Study of E2086 for adults with narcolepsy
This study tests a new drug called E2086 to see if it can help reduce daytime sleepiness and sudden muscle weakness in adults with narcolepsy. It involves two groups: people with cataplexy (type 1) and those without (type 2).
Santa Ana, CaliforniaAges 18 years+ - NCT07495852RecruitingPhase 3
Implant for eye pressure in glaucoma or ocular hypertension
This trial tests a tiny implant that slowly releases medication inside the eye to lower pressure. It is for people with open-angle glaucoma or high eye pressure who have not had certain eye surgeries.
Dothan, AlabamaAges 18 years+
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,904 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.