Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,240 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06507488Recruiting
Daphnetin Capsule for Mild Cognitive Issues From Blood Vessels
This trial tests a capsule called daphnetin for people with mild thinking and memory problems linked to blood vessel health. The goal is to see if it helps improve or slow down these changes.
Shenyang, LiaoningAges 50–80 - NCT06507657RecruitingEarly Phase 1
Empagliflozin for heart health in older adults
This study tests whether a medication called empagliflozin (a diabetes drug) can improve heart function in older adults with high blood pressure and obesity who are at risk for heart failure but do not have it yet. You would take the pill daily and have heart ultrasounds to check your heart's health.
Minneapolis, MinnesotaAges 60 years+ - NCT06510322RecruitingEarly Phase 1
Sildenafil for LVAD support
This trial tests whether sildenafil (the drug in Viagra) can help reduce blood vessel changes in people with a left ventricular assist device (LVAD). It aims to improve heart-pump function and overall health.
The Bronx, New YorkAges 18 years+ - NCT06511063RecruitingPhase 2
Antiviral trial for treating long covid symptoms
This study tests whether antiviral drugs (Truvada and Selzentry) can help people with long COVID. You may qualify if you have had long COVID symptoms for at least 6 months, including fatigue and post-exertional malaise.
New York, New YorkAges 18 years+ - NCT06511908RecruitingPhase 2
Testing a new ketamine-like drug for hard-to-treat depression
This study tests a new experimental drug (2R,6R)-HNK, a chemical related to ketamine, given by IV infusion to see if it can help people with depression that hasn't improved with other treatments. The goal is to find a new option for people who have not found relief from standard antidepressants.
Bethesda, MarylandAges 18–70 - NCT06512441Recruiting
Vitamin B6 for inflammatory bowel disease
This study tests whether vitamin B6 can help treat inflammatory bowel disease (IBD). It may offer a simple, low-cost option to support your current treatment.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT06512584RecruitingPhase 3
Study of PJ009 for short bowel syndrome patients needing IV nutrition
This trial tests a new medicine called PJ009 for people with short bowel syndrome who need intravenous (IV) nutrition support. It aims to help reduce the need for IV nutrition. To join, you must have been dependent on IV nutrition for at least six months and be on a stable schedule.
Beijing, Beijing MunicipalityAges 14 years+ - NCT06514339RecruitingEarly Phase 1
Shenhuang granules for sepsis treatment
This trial tests if Shenhuang granules, a traditional Chinese medicine, can help treat sepsis (a life-threatening response to infection). It aims to see if it improves outcomes for patients with sepsis.
Hangzhou, ZhejiangAges 18 years+ - NCT06514508RecruitingPhase 3
Stem cell collection with motixafortide and G-CSF for multiple myeloma
This trial tests a new drug, motixafortide, combined with a standard growth factor (G-CSF) to help collect stem cells for a transplant in people with multiple myeloma. It may be a good option if your myeloma is in remission and you have not had a stem cell transplant before.
Beijing, Beijing MunicipalityAges 18–78 - NCT06514573Recruiting
Butyrate supplement for children with autism and stomach issues
This study tests if a supplement called butyrate can help improve gut health in children aged 3-6 who have autism and ongoing stomach problems like constipation or bloating. It aims to see if this treatment eases their digestive symptoms.
NaplesAges 3–6 - NCT06515184RecruitingPhase 3
Coenzyme Q10 for Gulf War illness study
This study tests whether coenzyme Q10 (a natural supplement) can improve symptoms of Gulf War illness, such as fatigue and body pain. It involves taking the supplement or placebo for several months, with regular check-ins via Zoom and a few blood draws at a local lab.
La Jolla, CaliforniaAges 50 years+ - NCT06515210Recruiting
Fibre supplement for ulcerative colitis inflammation
This study tests whether a special fibre supplement can reduce inflammation in people with active ulcerative colitis. You take the supplement daily for a few weeks, and researchers check how it affects your symptoms and gut health.
Edmonton, AlbertaAges 14 years+ - NCT06515717Recruiting
Exogenous ketones and their effect on behavior
This study tests whether a drink containing ketone esters affects how people think and behave. It's for healthy, active adults who are not on any regular medication and have no major health conditions. You must also speak German fluently.
Potsdam, BrandenburgAges 18–45 - NCT06518603RecruitingPhase 4
Caffeine for preventing apnea in preterm babies in Zambia
This trial tests whether giving caffeine citrate can help prevent breathing pauses (apnea) in preterm babies who are ready to stop their current caffeine treatment. It aims to see if a short course of caffeine can keep babies stable after they come off oxygen and are eating well.
Lusaka, Lusaka ProvinceAges birth–1 year - NCT06520878RecruitingPhase 2
Nano-PSO for memory loss in older adults
This trial tests a supplement called NANO-PSO to see if it can help thinking and memory in older adults with mild to moderate memory problems. It may be an option for people with early Alzheimer's disease.
Miguel Hidalgo, Mexico CityAges 60 years+ - NCT06521476RecruitingPhase 2
Acetazolamide for sleep apnea in people on opioid treatment
This trial tests if a drug called acetazolamide can help people with central sleep apnea who are also on medication for opioid use disorder. Sleep apnea causes breathing to stop during sleep, and this study aims to see if the drug improves their sleep breathing.
Pittsburgh, PennsylvaniaAges 18–100 - NCT06523400RecruitingPhase 3
Mexiletine for myotonic dystrophy types 1 and 2
This trial tests a once-daily drug called mexiletine PR to see if it can help reduce muscle stiffness (myotonia) in people with myotonic dystrophy type 1 or 2. It may be a good option if you have a confirmed genetic diagnosis and are at least 16 years old.
LeuvenAges 16 years+ - NCT06524960RecruitingPhase 1/Phase 2
Denosumab for Preserving Insulin in Type 1 Diabetes
This study tests if denosumab, a drug normally used for bone health, can help preserve your body's own insulin production in type 1 diabetes. It might slow the loss of insulin-making cells, helping you maintain better blood sugar control over time.
Birmingham, AlabamaAges 18–50 - NCT06525168RecruitingPhase 1
Safety study of DA414 in healthy volunteers
This trial tests a new medicine called DA414 in healthy people to see if it is safe and how the body processes it. It may help researchers understand the right dose for future studies.
Wuhan, Hubei.ChinaAges 18–45 - NCT06525597RecruitingPhase 2
Stapokibart injection for allergic rhinitis
Stapokibart is a new injection that works on a key pathway involved in allergy symptoms. This study will test if this once-every-two-week shot can help reduce runny nose, sneezing, and itchy eyes in people with allergic rhinitis (hay fever).
Beijing, Beijing MunicipalityAges 12–65 - NCT06526208RecruitingPhase 2
Marijuana-based compound for anxiety in autistic adults
This study tests a marijuana-based compound (similar to CBD but not psychoactive) to see if it helps reduce anxiety in autistic adults. You would take a daily capsule and be monitored for 12 weeks.
Phoenix, ArizonaAges 18–45 - NCT06527222RecruitingPhase 2
Ranolazine for muscle cramps in ALS
This trial tests if a heart medication called ranolazine can reduce painful muscle cramps in people with ALS. If you experience frequent cramps and meet the other criteria, this study may be an option for you.
San Francisco, CaliforniaAges 18 years+ - NCT06527248Recruiting
Nitrate, exercise and blood vessel health in midlife women
This study looks at whether a natural compound in vegetables (called nitrate) combined with exercise can help improve blood vessel health in women after menopause. It may be a good fit if you are 45-65, do not exercise much, and have normal or mildly high blood pressure.
Vienna, State of ViennaAges 45–65 - NCT06527326Recruiting
Gut bacteria and central serous chorioretinopathy study
This study looks at the link between gut bacteria and central serous chorioretinopathy (CSC), a condition where fluid builds up under the retina. It may help us understand why some people get CSC and find better ways to treat it.
Hanzhou, ZhejiangAges Any age
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,240 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.