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
- NCT06845124RecruitingPhase 2
Testing CBD and naltrexone for alcohol craving
This trial is testing if taking cannabidiol (CBD) plus naltrexone can reduce alcohol craving in people with alcohol dependence. Naltrexone is already used to help with alcohol cravings, and CBD may add extra benefit.
Wiesloch, Baden-WurttembergAges 18–70 - NCT05920343RecruitingPhase 2/Phase 3
Preventing blood clots in genitourinary cancer with rivaroxaban
This trial tests whether rivaroxaban, a blood thinner pill, can help prevent dangerous blood clots in people with certain genitourinary cancers who are starting cancer treatment. It may lower clot risk, but it also has bleeding-risk tradeoffs that the study will monitor closely.
Ottawa, OntarioAges 18 years+ - NCT06829784RecruitingPhase 3
Study of TQC2731 for severe asthma
This trial tests an investigational drug called TQC2731 for people with severe asthma that is not well controlled despite high-dose inhaled steroids. The study aims to see if this treatment can reduce asthma attacks.
Bozhou, AnhuiAges 18–75 - NCT06832722RecruitingPhase 1/Phase 2
Study of a new drug for cardiogenic shock in intensive care
This trial tests an investigational drug called invobenitug for people in cardiogenic shock, a condition where the heart can't pump enough blood. The drug may help improve blood flow and reduce the need for strong blood pressure medicines.
YerevanAges 18–80 - NCT06826196RecruitingPhase 1/Phase 2
Testing a new shot for patchy hair loss (alopecia areata)
This study tests a new medicine called ALD-102, given as a small shot in the scalp, to see if it helps hair grow back in people with alopecia areata. It is an early-stage trial looking at safety, how the body handles the drug, and whether it works.
Thousand Oaks, CaliforniaAges 18–55 - NCT06830044RecruitingPhase 3
Adding an experimental drug for major depression
This trial tests if adding a new medicine called milsaperidone can help people with major depression who haven't gotten enough relief from their current antidepressant. It aims to see if the combination works better than the antidepressant alone.
Phoenix, ArizonaAges 18–65 - NCT06826612RecruitingPhase 1/Phase 2
Gene therapy trial for early Huntington's disease
This trial tests a gene therapy called SPK-10001 for people with early-stage Huntington's disease. It aims to slow the progression of symptoms by targeting the genetic cause of the disease.
Boston, MassachusettsAges 25–65 - NCT06829563RecruitingPhase 1
Testing safety of new diabetes drug RZ-629
This early-phase study tests a new medicine called RZ-629. It looks at how safe it is, how the body processes it, and how it works in both healthy people and people with type 2 diabetes. If you have diabetes, you can join if your blood sugar is well controlled on your current pills.
AdelaideAges 18–65 - NCT06828887RecruitingPhase 2
Testing LV232 capsules for major depression
This trial tests a new medicine called LV232 for people with moderate to severe depression. Researchers want to find the best dose and check if it works safely.
ShanghaiAges 18–65 - NCT06830343RecruitingPhase 1
Safety study of SYH9017 for overweight and obesity
This study tests a new medication called SYH9017 for people who are overweight or have obesity. It aims to see how safe the drug is, how well it is tolerated, and how the body processes it. Participants will receive either the drug or a placebo and be monitored closely.
Beijing, Beijing MunicipalityAges 18–60 - NCT06827977RecruitingPhase 2
Microbiome transplant for constipation and bloating in scleroderma
This study tests a microbiome transplant (friendly bacteria given as an enema or in capsules) to see if it helps with constipation and bloating in people with scleroderma. The goal is to improve digestive symptoms related to your condition.
Houston, TexasAges 18 years+ - NCT06826105Recruiting
Nutritional drink with digestive enzymes for older hospital patients at risk of malnutrition
This study tests whether giving a special nutritional drink along with pancreatic enzymes helps older hospital patients who are at risk of malnutrition. The goal is to improve their nutrition and overall health during their hospital stay.
AarauAges 60 years+ - NCT06826417Recruiting
Anxiety and satisfaction in cataract surgery patients
This study looks at how anxiety before cataract surgery affects your satisfaction after the operation. It also tests if a common anti-anxiety medicine (XANAX) can help anxious patients feel more comfortable during surgery.
Taipei, TaiwanAges 18–80 - NCT06834321RecruitingPhase 2
Homoharringtonine with hormone therapy before prostate surgery
This trial tests a new combination of a chemotherapy drug (homoharringtonine) and hormone therapy (androgen deprivation) given before surgery to shrink prostate cancer that has spread a little or is advanced. The goal is to see if this approach can help control the cancer better before the prostate is removed.
Nanjing, JiangsuAges 18–85 - NCT06826300Enrolling by invitation
Elbow treatment study for archers and kart drivers
This study tests a special elbow technique on healthy 18-year-old archers who also race go-karts. It looks at how the elbow treatment might affect performance.
GdanskAges 18 years+ - NCT06826326Enrolling by invitationPhase 2
Brain imaging of an antidepressant in teens with autism
This study tests if the antidepressant escitalopram can improve brain function in teenagers with autism. Participants will take the medicine and have brain scans (MRI) to see how it affects brain activity.
Kansas City, KansasAges 12–17 - NCT06828159Recruiting
Can wild blueberries improve joint health?
This study tests whether eating wild blueberries can improve joint health in people with arthritis. You would eat blueberries or a placebo daily for several weeks to see if they help with pain and stiffness.
Oklahoma City, OklahomaAges 40–75 - NCT06829238RecruitingPhase 4
Metformin to boost immune function in people with a history of drug use
This study tests whether metformin, a common diabetes drug, can help restore immune system balance in people who have used injection drugs in the past. It includes both people living with HIV and those who are HIV-negative.
Birmingham, AlabamaAges 18–64 - NCT06826755Recruiting
Melatonin for heart health in midlife women
This study tests whether melatonin can help improve heart health in midlife women with high blood pressure. It involves taking a melatonin pill or placebo for several weeks and checking blood pressure and other health markers.
Rochester, MinnesotaAges 40–55 - NCT06834971Recruiting
Inhaled colistin to prevent pneumonia in ventilated patients
This trial tests if inhaling a medication called colistin can prevent ventilator-associated pneumonia (a lung infection) in patients who are on a breathing machine. It aims to reduce the risk for those at high risk of getting an infection from drug-resistant bacteria.
Jinan, ShandongAges 18 years+ - NCT05378815Recruiting
Platelet injections for knee arthritis pain
This study tests whether platelet-rich plasma (a treatment made from your own blood) can reduce symptoms of knee osteoarthritis. It focuses on people with specific types of knee pain and X-ray findings, and compares against rules around current pain medicines and injections.
Créteil, Val-De-MarneAges 40–79 - NCT06425042Recruiting
Nicotinamide riboside with exercise for healthy aging
This study tests whether a daily supplement called nicotinamide riboside (a form of vitamin B3), combined with a supervised exercise program, can help promote healthy aging and improve how well your body functions. You would take the supplement or a placebo for 12 weeks while doing light to moderate exercise.
Santiago, Santiago MetropolitanAges 60–80 - NCT05332067RecruitingPhase 2
Omalizumab to prevent future asthma flare-ups before they start
This trial studies whether starting omalizumab before asthma flare-ups begin can reduce how often children get worsening asthma that needs strong steroid medicine. It is for children with persistent asthma who have signs of allergic/asthma triggers and recent flare-up history.
Washington D.C., District of ColumbiaAges 6–17 - NCT06820281RecruitingPhase 2
Tirzepatide effects on metabolism in type 1 diabetes
This trial tests whether tirzepatide, a medication that helps control blood sugar and weight, can safely improve how your body handles sugar when you have type 1 diabetes. The study looks at short-term effects and may help people who are overweight and use an insulin pump or automated system.
Sydney, New South WalesAges 18–70
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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.