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
- NCT06629636Recruiting
NMN treatment to improve embryo quality in IVF
This trial tests whether taking NMN (a form of vitamin B3) can help improve the quality of embryos in women who have had previous IVF failures due to poor embryo development.
Osaka, OsakaAges 32–42 - NCT06630884RecruitingPhase 1
Immune response to stress after trauma
This study looks at how the immune system responds to a mild stress (a typhoid vaccine) in people who have been through trauma but do not have PTSD. It may help understand why some people are more susceptible to inflammation after trauma.
San Francisco, CaliforniaAges 18–60 - NCT06631534RecruitingPhase 4
Testing dexmedetomidine for kids having heart defect closure
This trial tests adding a sedative medicine called dexmedetomidine to standard anesthesia for children aged 3 to 12 who are having a procedure to close a hole in their heart (atrial septal defect). The goal is to see if it helps them recover more smoothly.
Alexandria, Alexandria GovernorateAges 3–12 - NCT06631937Recruiting
How infant feeding affects gut health and immunity
This study looks at how different feeding methods (like breast milk or formula) affect the development of healthy bacteria in a baby's gut and their immune system. It may help us understand what helps babies stay healthy.
AarhusAges birth–4 weeks - NCT06632379RecruitingPhase 4
Atorvastatin after pregnancy to lower heart risk
This trial tests if taking atorvastatin, a common cholesterol medication, after delivery can reduce future heart problems in women who had high blood pressure or preeclampsia during pregnancy. It lasts for 6 months and includes participants who are at least 20 years old.
Columbus, OhioAges 20–50 - NCT06633016RecruitingPhase 2
ABX-002 for major depression (add-on treatment)
This trial tests a new medication called ABX-002 as an add-on to your current antidepressant. It's for people with moderate to severe depression who haven't gotten enough help from their current antidepressant alone.
Birmingham, AlabamaAges 18–65 - NCT06634056RecruitingPhase 2
Preventing lung inflammation during chemoradiation for stage III lung cancer
This trial tests whether two medicines, pentoxifylline and vitamin E, can help prevent a type of lung inflammation called pneumonitis in people with stage III non-small cell lung cancer who are getting chemoradiation and a checkpoint inhibitor. These medicines are already used for other conditions and may lower the risk of this side effect.
Toronto, OntarioAges 18 years+ - NCT06635226RecruitingPhase 1
Safety study of ID110521156 in healthy adults
This study tests a new investigational drug called ID110521156 in healthy adults. The goal is to see if the drug is safe and how the body processes it. It may be for people who are overweight or obese.
SeoulAges 19–50 - NCT06635902RecruitingPhase 2
Citrulline for sickle cell pain crisis
This trial tests if an intravenous medication called L-citrulline can help treat pain crises in children and young adults with sickle cell disease. Participants receive either the study drug or a placebo while in the hospital for a severe pain episode.
Washington D.C., District of ColumbiaAges 4–21 - NCT06636227RecruitingPhase 1
Diclofenac dose study for alcohol use disorder
This study tests whether different doses of diclofenac, an anti-inflammatory drug, can help people reduce heavy drinking. It looks at how the drug affects drinking patterns and overall health.
Catonsville, MarylandAges 21–65 - NCT06636812RecruitingEarly Phase 1
Losartan and Emotional Processing in Young People
This trial tests whether a single dose of losartan, a blood pressure pill, can change how young people process emotions. If you are a healthy 16- or 17-year-old who does not smoke, this study might help researchers understand new ways to support emotional wellbeing.
Oxford, OxfordshireAges 16–20 - NCT06637631RecruitingPhase 2
Testing an oral pill for moderate to severe Crohn's disease
This study tests an experimental oral pill (SAR441566) for people with moderate to severe Crohn's disease. It aims to see if the drug can reduce inflammation and improve symptoms, especially for those who have not had success with other treatments.
Sun City, ArizonaAges 18–75 - NCT06637865RecruitingPhase 1
Safety study of IMP761 in healthy volunteers
This is a first-in-human study testing the safety of an experimental drug called IMP761. It is an antibody that may affect the immune system. Healthy volunteers aged 18 to 55 can participate to help researchers learn about the drug's safety and how the body processes it.
LeidenAges 18–55 - NCT06638710RecruitingPhase 2
Testing oral midazolam for care in elderly with dementia who refuse care
This trial tests if giving a medication called midazolam by mouth can help older adults with memory problems who refuse care to accept it more calmly. It is for people in certain hospital or long-term care units, with moderate to severe memory loss and a history of resisting care.
Grenoble, IsereAges 60 years+ - NCT06639282RecruitingPhase 2
Testing siponimod for mild Alzheimer's dementia
This study tests if a medicine called siponimod, already used for multiple sclerosis, can help people with mild Alzheimer's dementia. You will take a pill daily and be monitored closely for safety and cognitive changes.
Phoenix, ArizonaAges 50–85 - NCT06639425Recruiting
Testing a probiotic for newly diagnosed type 2 diabetes
This study tests whether a probiotic called Lactobacillus Paracasei LC19 can help control blood sugar in people who have just been diagnosed with type 2 diabetes and are not on any diabetes medications. It may be a natural way to manage the condition.
Beijing, Beijing MunicipalityAges 18–65 - NCT06639464RecruitingPhase 2
Semaglutide to help with opioid recovery
This trial tests if semaglutide, a medicine sometimes used for weight management, can help people recovering from opioid use disorder stay on track. It is for adults who have already started buprenorphine treatment and are ready to take part in a research study.
Boston, MassachusettsAges 18 years+ - NCT06639789Recruiting
Vitamin B12 effect on cycling performance
This trial tests a new Vitamin B12 supplement to see if it improves physical and mental performance in cyclists. It might help if you are a healthy male cyclist training regularly.
La Ñora, MurciaAges 18–45 - NCT06639984RecruitingPhase 2
Psyllium for kids with IBS
This study tests if psyllium, a fiber supplement, helps reduce belly pain and other symptoms in children with irritable bowel syndrome (IBS). It may be an option if standard treatments haven't worked well.
Durham, North CarolinaAges 12–17 - NCT06642363RecruitingPhase 1
Astaxanthin for PCOS symptoms and heart health
This trial tests if astaxanthin, a natural antioxidant, can improve PCOS symptoms and heart-related health in women with PCOS who are overweight but not pregnant or breastfeeding.
Isfahan, IsfahanAges 18–45 - NCT06643221RecruitingEarly Phase 1
Exercise as a booster for cell therapy treatments
This trial tests whether exercise and a heart medicine called isoproterenol can help your immune system work better with donor cell therapies. It may show how to make these treatments more effective.
Tucson, ArizonaAges 21–55 - NCT06646809RecruitingPhase 3
Reducing inflammation after colorectal cancer surgery trial
This trial tests a way to reduce inflammation after planned colorectal cancer surgery. It may help you recover better and have fewer complications.
Singapore, SingaporeAges 45 years+ - NCT06647524RecruitingPhase 2
How cannabis affects the aging brain
This study uses brain scans (fMRI) to see how THC (the active ingredient in cannabis) affects the brain as people age. If you are a cannabis user without current dependence or health issues, you may help researchers understand these effects.
Hartford, ConnecticutAges 18–75 - NCT06647550RecruitingPhase 2
Testing a new pill for type 2 diabetes not well controlled by diet and exercise
This trial tests a new medication, HD-6277, to see if it can help lower blood sugar in adults with type 2 diabetes that isn't well managed by diet and exercise alone.
SeoulAges 19–75
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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.