Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,902 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06281665RecruitingPhase 4
Aspirin after preeclampsia: the TAP trial
This trial tests whether taking low-dose aspirin after giving birth can help people who had preeclampsia. It aims to see if aspirin can lower the risk of future heart problems.
Pittsburgh, PennsylvaniaAges 18–55 - NCT06288204Recruiting
Green Propolis and Royal Jelly for Kidney Health
This trial tests whether a supplement made from green propolis (a natural bee product) and royal jelly can help people with high blood pressure and chronic kidney disease. It aims to see if the supplement can improve kidney health and blood pressure control.
Rio de Janeiro, Rio de JaneiroAges 18–75 - NCT06286748Recruiting
Beetroot drink and exercise for kidney disease
This study tests if drinking beetroot extract along with a structured exercise program can help people with chronic kidney disease. It looks at whether this combination can improve health and delay the need for more advanced treatments.
Rio de Janeiro, Rio de JaneiroAges 18–65 - NCT06293040RecruitingPhase 1
Cannabis and Alcohol Impairment Study
This study tests how vaporized cannabis and alcohol together affect your ability to drive or perform tasks. It is for healthy adults who have used both substances before.
Baltimore, MarylandAges 21 years+ - NCT04111978RecruitingPhase 3
Maintenance hormone therapy after ovarian cancer responds
This Phase 3 trial tests whether ongoing treatment with an aromatase inhibitor (a hormone-blocking medicine) after initial chemotherapy can help keep epithelial ovarian/fallopian tube/peritoneal cancer from coming back. It is only for certain tumor types that are hormone-receptor positive (ER+).
GrazAges 18 years+ - NCT06040203Recruiting
Platelet-Rich Plasma for Chronic Tennis Elbow
This study compares two types of platelet-rich plasma (PRP) injections—one with a lot of white blood cells and one without—against a placebo injection to see which works best for persistent tennis elbow. If other treatments haven't helped your elbow pain for at least 3 months, this trial might be a good option.
BolognaAges 18–65 - NCT06264531RecruitingPhase 2/Phase 3
Bevacizumab for adults with symptomatic, untreatable brain AVMs
This trial tests a medication called bevacizumab (given as an IV infusion) to see if it can improve symptoms in people with brain arteriovenous malformations (AVMs) that cannot be treated with standard therapies. It is for those whose AVMs cause significant disability.
Paris, Île-de-France RegionAges 18 years+ - NCT06269627RecruitingPhase 4
Brain activity study for alcohol use treatment
This trial tests how the medication acamprosate affects brain activity in people with moderate to severe alcohol use disorder. It may help researchers understand how this treatment works.
Bethesda, MarylandAges 21–65 - NCT06256991RecruitingPhase 4
Potassium management for kidney health
This study tests if careful potassium management can help people with chronic kidney disease (CKD) safely take higher doses of blood pressure medicines called ACE inhibitors or ARBs, which are known to protect the kidneys. You may be eligible if you have moderate to advanced CKD and are already on a moderate dose of one of these medications.
GroningenAges 18 years+ - NCT06270498RecruitingPhase 4
Oral iron for heart failure: exercise and quality of life study
This study tests whether an oral iron supplement (a pill called sucrosomial iron) can help people with heart failure who have low iron feel better, have more energy, and walk farther. Participants will take the iron pill or a placebo (a pill without the active ingredient) for a period and will do exercise tests and answer questionnaires to see how they improve.
Pisa, TuscanyAges 18 years+ - NCT06274554RecruitingPhase 3
Testing Antifungal Therapy for Crohn's Disease
This study tests whether adding an antifungal drug (fluconazole) to standard Crohn's disease treatment helps improve symptoms. It's for people with mild to moderate Crohn's who have not used antifungal medications recently.
New York, New YorkAges 18 years+ - NCT06269900RecruitingPhase 3
Dexamethasone for Severe Hospital-Acquired Pneumonia with Inflammation
This trial tests whether adding the anti-inflammatory drug dexamethasone to standard antibiotics improves recovery from severe hospital-acquired pneumonia in critically ill patients on a ventilator.
AmiensAges 18–85 - NCT06263452RecruitingPhase 4
Beta-blockers and stress response study
This trial tests how beta-blockers affect your body's reaction to stress. You'll take a beta-blocker or placebo and then do a stress task, so researchers can measure inflammation and other responses.
Chapel Hill, North CarolinaAges 18–30 - NCT06263660RecruitingPhase 2
Keto supplement for depression with inflammation
This study tests a keto-like supplement to see if it helps change how the brain responds to emotional situations in people with depression and higher inflammation. It involves MRI brain scans and blood tests.
Tulsa, OklahomaAges 18–65 - NCT06274567Recruiting
Brain stimulation for emotion in bipolar depression
This study tests a safe, non-invasive brain stimulation technique called iTBS to see if it can help people with bipolar disorder better manage their emotions during a depressive episode. It may offer a new option for those who are still feeling depressed despite stable medication.
Charlestown, MassachusettsAges 24–65 - NCT06270407RecruitingPhase 4
Tranexamic acid for fewer complications in plastic surgery
This study tests whether applying tranexamic acid directly to the skin during plastic surgery reduces bleeding or other complications compared to a placebo. It may help you heal better after your procedure.
VejleAges 18 years+ - NCT06253117RecruitingPhase 2
Testing pirfenidone to prevent repeat pancreatitis attacks
This trial tests if pirfenidone, an anti-scarring drug, can reduce the number of repeat episodes of acute pancreatitis. You may be eligible if you've had two or more pancreatitis attacks at least three months apart and are not having an active attack right now.
Birmingham, AlabamaAges 18–85 - NCT06261502RecruitingPhase 2
CBD for Anxiety in Fragile X Syndrome
This trial tests if cannabidiol (CBD) can help with anxiety and improve brain function in people with Fragile X syndrome. Participants will receive CBD or a placebo, and may have brain scans (MRI) or magnetic stimulation (TMS) to see how it works.
Sherbrooke, QuebecAges 7–40 - NCT06273046Recruiting
Biofeedback for bowel control problems
This trial tests a non-invasive biofeedback technique to help people regain control of bowel movements. It may be an option for those with frequent stool leakage or difficult constipation, but participants must not have certain other digestive or neurological conditions.
BarcelonaAges 18–75 - NCT06272500Recruiting
Betaine for high gastrin in autoimmune gastritis
This trial tests if betaine hydrochloride can lower high gastrin levels caused by autoimmune gastritis. It may help people with this condition by reducing stomach-related symptoms.
Zhengzhou, HenanAges Any age - NCT06255886RecruitingPhase 4
Treatment for acid reflux in babies under 1 year
This trial tests a treatment for babies under 1 year old who have frequent and troublesome reflux (GERD). It aims to find a safe and effective way to reduce symptoms like crying, feeding problems, and breathing pauses.
Aabenraa, Region SyddanmarkAges 1 month–1 year - NCT06256588RecruitingPhase 3
Dostarlimab vs placebo after chemoradiation for head and neck cancer
This study tests whether the immunotherapy drug dostarlimab, given after standard chemoradiation, can keep advanced head and neck cancer from coming back. It is for people who have not had surgery and whose tumors are PD-L1 positive.
Jonesboro, ArkansasAges 18 years+ - NCT06267183RecruitingEarly Phase 1
Safety study of a new drug in healthy volunteers
This study tests a new investigational drug called SV001 in healthy volunteers to see if it is safe and how the body handles it. It is a first-in-human trial, meaning this drug has not been tested in people before.
ShanghaiAges 18–45 - NCT06256575Recruiting
Diosmin for healing finger ulcers in scleroderma
This study tests whether a natural supplement called diosmin can help heal finger and toe ulcers in people with scleroderma. If you have a current ulcer that is not infected, you may be able to join.
Calgary, AlbertaAges 18 years+
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,902 recruiting placebo - control 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 - control 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 - control 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.