Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,158 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06620562RecruitingPhase 4
Testing a weight loss pill after sleeve gastrectomy surgery
This study tests whether adding a medication (naltrexone/bupropion) to sleeve gastrectomy surgery can improve weight loss. It may be a good fit if you are eligible for a first-time sleeve gastrectomy and meet certain health criteria.
Québec, QuebecAges 18–65 - NCT06702449RecruitingPhase 1/Phase 2
UTI vaccine safety and immune response study for adults 18-64
This trial tests a new vaccine to prevent urinary tract infections (UTIs). It first checks safety and immune response in healthy adults, then in women with recent E. coli UTIs. The goal is to see if the vaccine can reduce future infections.
Lenexa, KansasAges 18–64 - NCT06700538RecruitingPhase 1/Phase 2
Study of an experimental drug for obesity with or without type 2 diabetes
This study tests an experimental medication called ARO-INHBE in adults with obesity, including those who also have type 2 diabetes. The goal is to see if it helps with weight loss and is safe.
CamberwellAges 18–65 - NCT06699849RecruitingPhase 2
CSL889 for sickle cell pain crisis
This trial tests a new medicine, CSL889, for people with sickle cell disease who are currently having a pain crisis (vaso-occlusive crisis). The goal is to see if it safely helps reduce the pain and speed recovery.
Oakland, CaliforniaAges 12 years+ - NCT06696755RecruitingPhase 2
Study of icalcaprant for bipolar depression
This study tests an oral medication called icalcaprant for adults with bipolar I or II who are currently in a depressive episode. The goal is to see if it reduces symptoms and whether it's safe when taken alongside your usual mood stabilizer.
Huntsville, AlabamaAges 18–65 - NCT06701903RecruitingPhase 2
Study of an investigational drug for generalized anxiety disorder
This study tests an investigational oral medication (ITI-1284) for people with moderate to severe generalized anxiety disorder (GAD) who haven't found enough relief from at least two standard medications. The goal is to see if this new drug helps reduce anxiety symptoms.
Birmingham, AlabamaAges 18 years+ - NCT06701682RecruitingPhase 2
Study of vilobelimab for moderate to severe ARDS
This trial tests a drug called vilobelimab for people with moderate or severe ARDS (a serious lung condition). It aims to find if this treatment can help improve breathing and outcomes.
Birmingham, AlabamaAges 18 years+ - NCT06697301RecruitingPhase 2/Phase 3
New drug with pembrolizumab for advanced melanoma
This trial tests a new drug (EIK1001) combined with the standard immunotherapy pembrolizumab (Keytruda) for people with advanced melanoma that cannot be removed by surgery or has spread. The goal is to see if adding EIK1001 is more effective than placebo plus pembrolizumab.
Chandler, ArizonaAges 18 years+ - NCT06699121RecruitingPhase 2
Testing LB-P8 for people with primary sclerosing cholangitis
This trial tests a new treatment called LB-P8 for people with primary sclerosing cholangitis (PSC), a liver disease. It aims to see if LB-P8 is safe and can help slow the disease down. You may join if you meet certain health requirements.
Sacramento, CaliforniaAges 18–75 - NCT06701656RecruitingPhase 2
Testing bevacizumab for breathing problems from ARDS
This trial tests if bevacizumab can help people with ARDS (a serious lung condition) breathe better. It is for patients with mild, moderate, or severe ARDS who are already in the hospital.
Birmingham, AlabamaAges 18 years+ - NCT06701669RecruitingPhase 2
Study of Paridiprubart for moderate to severe ARDS
This trial tests a new medicine called paridiprubart to see if it can help people with moderate or severe acute respiratory distress syndrome (ARDS), a serious lung condition. It may be an option if you have low oxygen levels and no known allergy to the drug.
Birmingham, AlabamaAges 18 years+ - NCT06694441Recruiting
Sleep, brain chemicals, and memory in older adults with insomnia
This study looks at how a brain chemical called norepinephrine affects sleep and thinking in older adults with insomnia. You may join if you are 55+, have insomnia, and are generally healthy.
Chicago, IllinoisAges 55 years+ - NCT06704594RecruitingPhase 4
Study of allopregnanolone for PMDD in women on SSRIs
This trial studies a natural brain chemical called allopregnanolone in women with premenstrual dysphoric disorder (PMDD) that responds to SSRI antidepressants. It aims to understand how the brain adapts and whether this treatment could help.
Baltimore, MarylandAges 18–50 - NCT06693674RecruitingPhase 3
Sacubitril-valsartan for heart health in congenital heart disease
This trial tests if a drug called sacubitril-valsartan can improve heart structure and function in adults with congenital heart disease. You will take the drug and have heart imaging to see changes.
Rochester, MinnesotaAges 18 years+ - NCT06696222Recruiting
Fermented vegan diet for health and colitis
This trial tests whether a fermented vegan diet can improve health in people with inflammatory bowel disease (IBD), like ulcerative colitis or Crohn's disease, and in healthy volunteers. It aims to see how the diet affects the gut.
MalmöAges 18 years+ - NCT06695221Recruiting
Kefir trial for better health in Edmonton adults
This study tests if drinking kefir, a fermented dairy drink, can improve health in adults who are overweight or have high blood sugar or type 2 diabetes. It looks at how kefir might help with weight, blood sugar, and overall wellness.
Edmonton, AlbertaAges 24–70 - NCT06699030Recruiting
Diet therapy to pass tiny gallstones
This trial tests whether a special diet can help pass tiny gallstones (smaller than 2 mm) out of your gallbladder without surgery. It might be a good option if you have very small stones and want to avoid more invasive treatments.
Lanzhou, GansuAges 18–70 - NCT06699654Enrolling by invitation
Spirulina gel for gum disease treatment
This trial tests if a gel made from spirulina can help treat mild-to-moderate gum disease (periodontitis). You may be a good fit if your gum disease is at a specific stage and you are otherwise healthy.
El-Sheikh Zayed City, Cairo GovernorateAges Any age - NCT06694155Recruiting
Whey protein and blood sugar study for pre-diabetes and diabetes
This study tests whether drinking whey protein can help control blood sugar in people with pre-diabetes or mild diabetes. If you qualify, you'll wear a continuous glucose monitor and keep a food journal for two weeks.
Little Rock, ArkansasAges 50–70 - NCT06702696Recruiting
Study on aronia berries for COPD inflammation
This trial tests whether eating aronia berries (black chokeberries) can help reduce inflammation in people with COPD. It may offer a natural way to manage COPD symptoms.
Istanbul, ZeytinburnuAges 50–80 - NCT04997733RecruitingPhase 3
Stool transplant to maintain Crohn’s remission after stopping anti-TNF
This Phase 3 study tests whether transplanting stool bacteria can help people with Crohn’s stay in remission after they stop an anti-TNF medicine. It may help some patients who are currently doing well but need to come off anti-TNF treatment.
ParisAges 18–74 - NCT06686355RecruitingPhase 2
Yiqilishui formula for sepsis-related heart problems
This trial tests a Chinese herbal formula called Yiqilishui in people with sepsis who have developed heart muscle weakness. It aims to see if the formula can help improve heart function.
BeijingAges 50–85 - NCT06686914RecruitingPhase 1
How CBD affects driving by dose and sex
This study tests how different doses of CBD (a cannabis compound) affect driving ability in healthy adults. It looks at whether men and women react differently, and helps understand if CBD is safe to use before driving.
Morgantown, West VirginiaAges 18–30 - NCT06684106Recruiting
Can a liver medicine protect your blood sugar while on statins?
This study tests if a medicine called ursodeoxycholic acid can help prevent blood sugar rises that statins sometimes cause. It is for people with high cholesterol who have not yet taken a statin, to see if adding this medicine keeps their blood sugar healthy.
Xi'an, ShaanxiAges 18–75
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,158 recruiting placebo 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 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 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.