Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,189 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07149506Enrolling by invitationPhase 3
Green tea extracts for radiation skin side effects
This trial tests whether taking oral capsules or using a topical cream containing green tea extracts (catechins) can prevent or reduce skin irritation caused by radiation therapy for cancer. It is designed for people who are about to start radiation or who have just developed mild redness on the treated skin.
León, GuanajuatoAges 18–75 - NCT07149454Enrolling by invitationPhase 1
Testing a new antibody to prevent tetanus
This trial tests a new medicine made from antibodies that target tetanus toxin. It may help protect people from tetanus without needing a vaccine.
Lanzhou, GansuAges 18–60 - NCT07145346Enrolling by invitationPhase 4
Suzetrigine for pain relief after multiple rib fractures
This trial tests a new medicine, suzetrigine, for managing acute pain in adults who have broken three or more ribs from a blunt injury. It aims to see if this painkiller works well and is safe for you.
Orange, CaliforniaAges 18 years+ - NCT07136766Enrolling by invitationPhase 3
Test cream vs prescription cream for dark spots on face
This study tests a new cream against a standard prescription cream (4% hydroquinone) to treat dark spots or melasma on the face. You will use a cream daily and avoid other skin treatments for about 4 months.
Teaneck, New JerseyAges 18–75 - NCT07128953Enrolling by invitationEarly Phase 1
Zuoqing San for anal fistula wound healing
This study tests if a traditional Chinese medicine called Zuoqing San can help heal the wound after anal fistula surgery better by reducing certain inflammatory processes. It may be an option for people who have had surgery for a simple anal fistula and whose wound is a specific size.
Hefei, AnhuiAges 18 years+ - NCT07123922Enrolling by invitation
Silymarin for COPD: A Study on Breathing and Quality of Life
This study tests whether adding silymarin (a herbal supplement from milk thistle) to your regular COPD treatment can improve your lung function, reduce stress in your body, and help you feel better day-to-day.
DhakaAges 40–80 - NCT07114133Enrolling by invitation
Environmental probiotics for cat hair allergies
This study tests whether a special probiotic spray, used in your home, can reduce allergy symptoms in people who are allergic to cats. If you have cat allergies with nasal symptoms and live in a stable home, you may be able to join.
Hangzhou, ZhejiangAges 18–70 - NCT07109609Enrolling by invitationPhase 2
Testing Menthol on Skin to Increase Tears
This study tests whether applying menthol to the skin on your cheeks can help increase tear production. If you have dry eyes but are not under an eye doctor's care for it, this trial might be a fit.
Toronto, OntarioAges 18 years+ - NCT07098091Enrolling by invitationPhase 1
Testing the safety of YD0293 in healthy adults
This phase 1 study tests a new medicine called YD0293 in healthy volunteers to see if it is safe and how the body handles it. It helps find the right dose for future studies.
Suzhou, JiangsuAges 18–45 - NCT07092605Enrolling by invitationEarly Phase 1
Microdosed semaglutide for longer, healthier life
This trial tests whether a very low ('micro') dose of semaglutide can improve health, quality of life, and how long you live well. It's for people who are interested in the drug's general health benefits but not specifically for weight loss.
Ann Arbor, MichiganAges 18–65 - NCT07086313RecruitingPhase 2/Phase 3
Testing a new ADHD drug for children
This trial tests an experimental drug (EB-1020) for children with ADHD. It aims to see if the drug is safe and effective in reducing ADHD symptoms.
SapporoAges 6–17 - NCT07065357Enrolling by invitationPhase 3
A study on a diabetes drug for metabolic syndrome
This trial tests if empagliflozin, a medication typically used for diabetes, can help people with metabolic syndrome (a cluster of conditions like large waist size, high blood sugar, and high blood pressure). It may improve health and reduce the risk of heart disease.
Hong KongAges 18–85 - NCT07050485Enrolling by invitation
Postbiotic gummies after GI cancer surgery
This trial tests if taking postbiotic gummies (a type of supplement that helps good gut bacteria) can help your gut recover faster after surgery for stomach, colon, or other gastrointestinal cancers. It is for people having scheduled, minimally invasive (laparoscopic) surgery to remove their cancer.
Tampa, FloridaAges 18 years+ - NCT07030855Enrolling by invitationPhase 4
Herbal syrup for acute bronchitis in children
This study tests a herbal syrup (Elixirium Thymi Compositum) to see if it helps children aged 6 to 17 with acute bronchitis (a short-term chest infection) feel better. It may be an option if your child has a moderate cough and no other major health issues.
SzegedAges 6–17 - NCT07023965Enrolling by invitation
Long-term follow-up study for gene therapy in critical limb ischemia
This study follows up with people who previously took part in a clinical trial testing an experimental gene therapy for critical limb ischemia (severe leg pain or sores due to blocked arteries). It aims to see how well the treatment works over time. If you were in that earlier trial and received at least one dose, joining this follow-up could help researchers learn more about the therapy's lasting effects.
Beijing, Beijing MunicipalityAges 20–85 - NCT07015528Enrolling by invitationEarly Phase 1
Drug liking study for surgery patients
This study looks at how much patients like the feeling of a drug given during a procedure. It may help doctors understand which medicines work best for comfort during surgery.
Palo Alto, CaliforniaAges 18 years+ - NCT07012096Enrolling by invitation
Preventing high blood pressure with counseling
This study tests whether counseling can help prevent high blood pressure in people who live in slums and are currently healthy. If you join, you may learn ways to keep your blood pressure normal.
DhakaAges 18–70 - NCT07000825Enrolling by invitation
Yerba mate extract for improving metabolic health in overweight adults
This trial tests whether a daily yerba mate extract can help reduce metabolic syndrome in overweight people. You would take the extract for a period while keeping your usual diet and activities.
Realeza, ParanáAges 40–65 - NCT07000500Enrolling by invitation
Nutritional supplement for memory decline in older adults
This trial tests whether a nutritional supplement can help slow or improve memory loss in older adults who have mild cognitive decline (noticeable changes in thinking skills that are not yet dementia). You will take a daily supplement and attend regular check-ups.
Vila Nova de Famalicão, Braga DistrictAges 65 years+ - NCT06989866Enrolling by invitationPhase 3
Testing if numbing injections reduce pain pill use after nose surgery
This trial tests whether a numbing injection (regional anesthesia) during nose surgery can reduce the need for strong pain pills afterward. It's for people having their first nose surgery at specific military hospitals.
Portsmouth, VirginiaAges 18 years+ - NCT06987084Enrolling by invitationEarly Phase 1
Bryophyllum Tea for Kidney Stone Prevention
This study tests whether a special tea made from the Bryophyllum pinnatum plant can help people who get calcium kidney stones. If you've had a stone or high calcium in your urine, this trial may offer a natural option to try.
Montreal, QuebecAges 18–70 - NCT06982196Enrolling by invitationPhase 3
Sulodexide to prevent psoriasis return after stopping biologic
This trial tests if sulodexide, a medication that helps blood flow, can keep psoriasis from coming back after you have stopped using a biologic drug (such as strychnicolizumab) because your skin was completely clear for 6 months.
Xi'anAges 18–65 - NCT06977659Enrolling by invitationPhase 1/Phase 2
Early norepinephrine for trauma patients with heavy bleeding
This trial tests whether giving norepinephrine early helps adults with severe bleeding from injury. It is for patients who have lost a lot of blood or show signs of shock.
BangkokAges 18–65 - NCT06971445Enrolling by invitation
Omega-3 supplements for pregnant women with HIV
This trial tests whether taking omega-3 supplements can improve pregnancy outcomes and reduce inflammation in pregnant women living with HIV who are on antiretroviral therapy. If you are between 20 and 29 weeks pregnant with a single baby, you may be eligible to join.
Mexico City, Mexico CityAges 18 years+
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,189 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.