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
- NCT07363031Enrolling by invitationPhase 2
Valacyclovir for mouth sores during head and neck radiation
This trial tests whether the antiviral drug valacyclovir can prevent or reduce painful mouth sores caused by radiation therapy for head and neck cancer.
Rio de Janeiro, Rio de JaneiroAges 18 years+ - NCT07356765Enrolling by invitation
Berberine for negative symptoms of schizophrenia
This trial tests if berberine, a natural supplement, can help reduce negative symptoms like lack of motivation or social withdrawal in people with schizophrenia. It may work by affecting the brain and body.
TianjinAges 18–60 - NCT07339280Enrolling by invitation
Probiotics for COPD: symptoms, lungs, and inflammation
This study tests whether taking a probiotic can improve symptoms, lung function, and inflammation in people with COPD. It is for adults with stable COPD who have not had a flare-up or treatment change in the last two months.
KarlovacAges 18 years+ - NCT07335432Enrolling by invitation
Vitamin C to reduce blood loss during hysterectomy
This trial tests whether giving vitamin C through a vein before surgery can reduce blood loss during a total abdominal hysterectomy. If you are having this surgery and do not have bleeding problems or other exclusions, this study may help determine a way to make the procedure safer.
Si Racha, Changwat Chon BuriAges 20 years+ - NCT07330440Enrolling by invitationPhase 1
MRNA vaccine study for preventing genital herpes
This study tests a new mRNA vaccine designed to protect against herpes simplex virus type 2 (HSV-2), the virus that causes genital herpes. It is for healthy adults who have not had a genital herpes outbreak in the last 6 months.
BeijingAges 18–55 - NCT07322146Enrolling by invitationPhase 4
Shorter antibiotics for children with common infections
This study tests whether shorter courses of antibiotics are as effective as longer ones for children hospitalized with pneumonia, skin infections, or urinary tract infections. It may help children get back to normal faster and reduce side effects.
Birmingham, AlabamaAges 2 months–17 years - NCT07320937Enrolling by invitation
Yiqi Fuyuan Paste formula for chronic fatigue syndrome
This trial tests whether a traditional Chinese medicine formula (Yiqi Fuyuan Paste) can help reduce fatigue in people with chronic fatigue syndrome. It is a double-blind, placebo-controlled study, meaning neither you nor the doctor will know which treatment you receive.
Shanghai, Pudong New AreaAges 18–65 - NCT07298993Enrolling by invitationPhase 4
Can older adults with heart failure safely stop beta-blockers?
This trial tests whether it is safe to gradually stop beta-blocker medication in older adults with heart failure with preserved ejection fraction (a type of heart failure where the heart pumps normally but is stiff). It aims to improve quality of life by reducing unnecessary medications.
Pleasanton, CaliforniaAges 60 years+ - NCT07280520Enrolling by invitation
Luteolin supplement for athlete performance and metabolism
This study tests whether a daily luteolin supplement (a natural compound found in some plants) can improve how your muscles and fat cells use energy, boost your athletic performance, and change your body composition over 12 weeks.
Amman, Amman GovernorateAges 18–35 - NCT07262268Enrolling by invitationPhase 1
Testing BHV-7000 for inherited erythromelalgia pain
This clinical trial tests an investigational medication (BHV-7000) for people with inherited erythromelalgia caused by a specific NaV1.7 gene mutation. The study aims to see if the drug can safely reduce the chronic burning pain that is typical of this condition.
New Haven, ConnecticutAges 18–75 - NCT07253155Enrolling by invitation
Probiotics for preventing gut symptoms in overweight adults
This study tests whether taking probiotics can help prevent stomach and gut discomfort in people who are overweight or have obesity. You may be eligible if you are at a certain weight and age, eat a balanced diet, and do not have chronic gut issues.
ColeraineAges 18 years+ - NCT07243171RecruitingPhase 1/Phase 2
Oral Ecnoglutide for overweight or obesity
This trial tests an oral medication called Ecnoglutide to help people with overweight or obesity lose weight. It is for Chinese adults who are not diabetic and have a stable weight.
Beijing, Beijing MunicipalityAges 18–65 - NCT07234916Enrolling by invitation
Multivitamins for people starting weight-loss injections
This trial tests whether a multivitamin can help people on the weight-loss injection Tirzepatide maintain healthy vitamin levels. If you're using this injection and meet the other criteria, you may join.
AmersfoortAges 18–70 - NCT07233707Enrolling by invitation
Creatine loading and breath-hold cycling performance
This study tests whether taking creatine monohydrate for 7 days improves how long you can hold your breath while cycling. It's for healthy, experienced breath-hold divers who haven't used creatine recently.
Athens, KallitheaAges 18 years+ - NCT07223580RecruitingPhase 4
Steroid use for pain after kidney stone surgery
This trial tests if giving a corticosteroid during ureteroscopy (a scope procedure to remove kidney or ureter stones) can reduce pain afterward. If you are having this surgery and are not already on steroids or strong pain medicines, this study may help manage your recovery.
Scottsdale, ArizonaAges 18 years+ - NCT07222189Enrolling by invitationPhase 2
Long-term safety of an experimental drug for Crohn's or colitis
This study looks at the long-term safety and side effects of an investigational drug called balinatunfib in people with Crohn's disease or ulcerative colitis. It is for patients who have already completed a full year of treatment in a previous related study.
Gorna OryahovitsaAges 19–77 - NCT07204210Enrolling by invitation
Shockwave therapy vs. massage for plantar fasciitis
This study compares two treatments for plantar fasciitis—shockwave therapy and a type of deep massage. The goal is to see which works better for reducing foot pain.
KayseriAges 18 years+ - NCT07203638Enrolling by invitation
Antibiotics to prevent pneumonia in ventilated patients
This trial tests whether giving preventive antibiotics to adults on breathing machines lowers the risk of developing pneumonia during ventilation. It is a double-blind study, meaning neither you nor your doctor will know if you receive the antibiotic or a placebo.
Banhā, Al-QalyubiaAges 18–70 - NCT07183215Enrolling by invitationPhase 2/Phase 3
Turmeric capsules for knee osteoarthritis inflammation
This study tests whether a turmeric capsule (curcumin) can reduce inflammation in people with knee osteoarthritis. It may help with pain and swelling without the side effects of standard anti-inflammatory drugs.
YogyakartaAges 60 years+ - NCT07182552Enrolling by invitationPhase 1
Testing a new drug NTB003 in healthy volunteers
This early-phase trial tests the safety of a new drug called NTB003 in healthy people. It looks at how the drug moves through the body and affects it, which is a first step toward possibly treating certain conditions.
BeijingAges 25–45 - NCT07181135Enrolling by invitationPhase 3
Finerenone for kidney disease without certain blood pressure drugs
This trial tests if finerenone can protect kidneys in people with chronic kidney disease who are not taking common blood pressure medications called ACE inhibitors, ARBs, or renin inhibitors. It may help slow kidney damage.
BarcelonaAges 18 years+ - NCT07178327Enrolling by invitationPhase 1
LYN101 safety study in healthy adults and postmenopausal women
This trial tests a new drug called LYN101 to see if it is safe and how it works in healthy adults and in postmenopausal women with low bone mass. It may help strengthen bones in women at risk for osteoporosis.
Bengbu, AnhuiAges 18–70 - NCT07166965Enrolling by invitation
Supplement for Heart Failure: Ketones and Hawthorn
This trial tests whether adding a supplement containing ketones and hawthorn extract can help people with heart failure feel better and improve their heart function. You will take the supplement daily and have imaging scans and exercise tests to monitor your progress.
Philadelphia, PennsylvaniaAges 18 years+ - NCT07164781Enrolling by invitation
Probiotics for preventing infections in ICU patients
This trial tests whether probiotics (good bacteria) can help prevent serious infections in critically ill patients in the ICU. If you are very sick and in the ICU, you may be able to join — as long as you don't have certain conditions like cancer or a weakened immune system.
Banhā, Qalyubia GovernorateAges 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.