Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,230 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05252754RecruitingPhase 3
Medicines to prevent pancreas swelling after ERCP
This Phase 3 study tests whether putting an anti-inflammatory medicine into the rectum (indomethacin) plus taking an immune-suppressing pill (tacrolimus) works better than using the two medicines in a different combination to prevent pancreatitis after an ERCP procedure. If you qualify, you may be assigned to one of the treatment options to lower your risk of post-ERCP pancreas inflammation.
Baltimore, MarylandAges 18 years+ - NCT04770012RecruitingPhase 3
Aspirin or clopidogrel after heart transplant
This study tests antiplatelet medicines (like aspirin or clopidogrel) in people who have had a heart transplant. The goal is to see if these medicines can safely help prevent blood-related complications after transplant.
Vancouver, British ColumbiaAges 18 years+ - NCT05136976RecruitingPhase 3
Rituximab for anti-MAG neuropathy in specific patients
This Phase 3 study tests rituximab, an antibody medicine, for people with a particular type of nerve damage called anti-MAG–related demyelinating polyneuropathy. It aims to see if rituximab improves symptoms or function in patients who are considered “good responders.”
BrestAges 18 years+ - NCT05229224Recruiting
Study of a new device for frequent tension headaches
This pilot study tests a device approach (“Osteo-Fluidic-Sensitive”) for people who get frequent episodic tension-type headaches. It aims to see whether the device is safe and can reduce headache burden for the right kind of headache pattern.
PoitiersAges 18–75 - NCT05392764RecruitingPhase 3
SGLT2 medicine for high-risk people after sudden worsening heart failure
This Phase 3 trial tests whether starting an SGLT2 inhibitor early in the hospital can improve outcomes for people at high risk after acute (sudden) heart failure. If you qualify, you would be randomized to receive the study medicine or standard care, started within 12 hours of admission.
Anjo, Aichi-kenAges 20 years+ - NCT04962776RecruitingPhase 4
Carb plus nitrate drinks before gynecologic surgery
This trial compares two pre-surgery drink plans: a low-sugar/low-concentration carbohydrate drink plus nitrates versus a carbohydrate drink alone. It aims to see which plan works better for patients having open gynecologic surgery.
CairoAges 18–60 - NCT05595499RecruitingPhase 2
Fisetin for better walking and strength in breast cancer survivors
This study tests whether fisetin (a natural compound) can improve physical function, like walking ability, in breast cancer survivors who feel frail. It may help strengthen muscles and improve daily activity after treatment.
Alhambra, CaliforniaAges Any age - NCT04818203RecruitingPhase 1/Phase 2
Autologous fibroblast injections for crow’s feet wrinkles
This study tests a safety and effectiveness approach for reducing crow’s feet (wrinkles at the outer corners of the eyes) using cells made from your own skin. You may be asked to stop other wrinkle treatments and have blood tests and injections at a specific skin area.
SeoulAges 19 years+ - NCT04957719Enrolling by invitationPhase 3
Testing selatogrel to prevent problems after a recent heart attack
This trial tests selatogrel to see if it can better prevent harmful heart and blood-clot outcomes after a recent heart attack. You may be considered if you had a heart attack in the past 4 weeks and have higher-risk heart artery disease.
Alexander City, AlabamaAges 18 years+ - NCT03962920Recruiting
Personalized care for urologic cancer based on gut and urine bacteria
This study looks at how your body’s bacteria (microbiome in and around the urinary/genital area) may help guide personalized treatment for localized urologic cancers. The goal is to see whether tailoring treatment to your bacteria could improve outcomes.
RoskildeAges 40–70 - NCT05421416RecruitingPhase 2
Loratadine to prevent bone pain after stem cell transplant treatment
This trial tests loratadine (an allergy medicine) to see if it can prevent bone pain caused by a growth-factor injection used during lymphoma or multiple myeloma treatment. It may help reduce pain around the time you get that injection and your upcoming stem cell transplant.
Edmonton, AlbertaAges 18 years+ - NCT05267821RecruitingPhase 2/Phase 3
Testing anakinra to reduce inflammation in pediatric sepsis MODS
This study tests whether a medicine called anakinra can “turn down” harmful inflammation in children with severe illness from sepsis. It aims to improve organ function when multiple organs are starting to fail.
Birmingham, AlabamaAges 1 day–17 years - NCT04482478Recruiting
Edl treatment trial for functional indigestion symptoms
This trial studies whether EDL medicine can improve symptoms of functional dyspepsia (indigestion) and is safe for people with this condition. You may be asked to complete symptom questionnaires and undergo stomach testing to confirm there is no other cause for your symptoms.
Seongnam-si, Gyeonggi-doAges 19 years+ - NCT03935295RecruitingPhase 4
Dysport with a brace for teens with specific scoliosis curves
This trial studies whether adding Dysport (a botulinum toxin shot) to standard bracing can improve scoliosis in teens. It’s mainly for certain curve patterns and requires careful brace follow-through.
Baltimore, MarylandAges 10–16 - NCT03851640RecruitingPhase 3
Study drug for advanced prostate cancer that kept spreading despite standard treatments
This Phase 3 study tests HC-1119 soft capsules in men with metastatic castration-resistant prostate cancer—cancer that keeps progressing even when testosterone is blocked. It aims to see whether the drug works better than expected and is safe, especially after prior treatments like abiraterone and/or docetaxel.
ShanghaiAges 18 years+ - NCT05334485RecruitingPhase 2/Phase 3
Pyridostigmine to treat slow bowel recovery after colorectal surgery
This trial tests whether pyridostigmine helps return bowel function faster after colorectal surgery when the gut is “stuck,” causing bloating and no gas or stool. It also checks safety and side effects compared with standard care.
Cleveland, OhioAges 18 years+ - NCT03646058RecruitingPhase 3
Add-on buprenorphine to ease suicidal thoughts in depression
This Phase 3 study tests whether adding buprenorphine to your usual pain-dose medicines can reduce severe suicidal thoughts during a major depressive episode. It may help people who are currently hospitalized or closely followed and have higher scores for both depression severity and suicidal thinking.
Bordeaux, FranceAges 18–65 - NCT01344200RecruitingPhase 2
Celecoxib drug study in children on leukemia treatment
This trial studies how celecoxib moves through a child’s body and how much reaches the fluid around the brain and spinal cord. It’s for children (age 2–12) who are in the maintenance phase of certain blood cancers, to better understand dosing and safety.
Ottawa, OntarioAges 2–12 - NCT05483465RecruitingPhase 4
NAD supplement trial for brain blood vessel health in aging
This trial studies whether taking an NAD supplement can support brain blood vessel health as people age. Participants will be tested for brain and health changes and may help researchers understand how to keep the brain’s blood vessels healthier over time.
Oklahoma City, OklahomaAges 60–85 - NCT05008965RecruitingPhase 2
Study drug for allergic asthma in adults
This Phase 2 trial tests whether FB825 can improve symptoms and safety in adults with moderate-to-severe allergic asthma. It is mainly for people whose asthma is not well controlled despite regular inhaler treatment.
Kaohsiung CityAges 18–75 - NCT04777357RecruitingPhase 3
Cariprazine for bipolar depression in ages 10 to 17
This Phase 3 study tests whether cariprazine can improve depression symptoms in children and teens with bipolar I disorder, and also tracks side effects. It may help if your depressive episode is ongoing and you meet specific mood and screening score requirements.
Bentonville, ArkansasAges 10–17 - NCT05121051RecruitingPhase 2
Broccoli sprout extract to reduce tobacco cancer-causing chemicals
This Phase 2 study tests whether broccoli sprout extract (Avmacol ES) can reduce cancer-causing substances linked to heavy smoking. It’s for adults who smoke heavily and may help lower harmful tobacco-related chemical effects in the body.
Tucson, ArizonaAges 18 years+ - NCT05138575RecruitingPhase 2
Testing SGLT2 pill and potassium nitrate for heart failure with preserved EF
This trial studies whether two medicines—an SGLT2 inhibitor and potassium nitrate—can improve symptoms and heart function in people with heart failure with preserved ejection fraction (HFpEF). It focuses on people who still have signs of “stiff” or high filling pressure in the heart despite a normal-ish ejection fraction.
Philadelphia, PennsylvaniaAges 18 years+ - NCT04497220Recruiting
First-time epidural in pregnancy: poke versus placebo
This trial tests whether a “poke” (an added procedure or treatment) works better than a placebo to help with pain control for people getting an epidural for the first time during pregnancy. It’s mainly looking at whether the added approach is helpful and safe for first-time epidural patients.
Minneapolis, MinnesotaAges 18 years+
Hear when a new Placebo trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,230 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.