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
- NCT07559227Recruiting
How obesity affects gut health and blood vessel function
This study compares people with normal weight to people with obesity who are otherwise healthy to understand how body weight affects gut bacteria, immune function, and blood vessel health. Results may help explain why some people with obesity stay healthier than others.
Muncie, IndianaAges 18–55 - NCT07553143Recruiting
Melatonin before gallbladder removal surgery
This study tests whether taking melatonin (a natural sleep hormone) before elective gallbladder removal surgery helps patients recover better and feel less pain or discomfort afterward. Melatonin may help reduce stress on the body during surgery.
Dhaka, Dhaka DivisionAges 18–60 - NCT07555691Recruiting
Chinese herbal medicine for fibromyalgia pain relief
This trial tests whether a traditional Chinese herbal medicine called Yishen Shujin Decoction can reduce fibromyalgia pain. Fibromyalgia is a condition causing widespread body pain and fatigue; this study aims to see if this herbal treatment helps relieve those symptoms.
Beijing, Beijing MunicipalityAges 18–75 - NCT07555496Recruiting
Back Pain Treatment After Spine Surgery: Injection vs. Needling
This study compares two ways to treat long-lasting back pain in people who have had spine surgery: injections into the back muscles versus dry needling (inserting thin needles into tight muscles). Both are combined with physical therapy to see which helps reduce pain better.
St-MaloAges 18 years+ - NCT07552610Recruiting
Sivelestat sodium added to clot removal surgery for stroke
This trial tests whether adding a medication called sivelestat sodium to emergency clot removal surgery (mechanical thrombectomy) can improve outcomes in patients with a specific type of stroke caused by a large blood clot in the front part of the brain. The goal is to see if this combination treatment leads to better recovery.
Weifang, ShandongAges 18–80 - NCT07556718RecruitingPhase 2
Amitriptyline for IBS-like Symptoms in Stable Crohn's Disease
This study tests whether a medication called amitriptyline can help reduce belly pain and bowel problems in people whose Crohn's disease is well-controlled. Amitriptyline is an older antidepressant that may help with pain and bowel symptoms even when inflammation is quiet.
Ann Arbor, MichiganAges 18–65 - NCT07556991RecruitingPhase 2/Phase 3
Infection's Role in Chronic Brain Bleeding
This study investigates whether infection contributes to chronic subdural hematoma, a condition where blood collects between the brain and skull. Researchers will study patients undergoing surgery to understand infection's involvement and potentially improve treatment.
RostockAges 18 years+ - NCT07557953RecruitingPhase 1
How cagrilintide affects hunger and eating in overweight adults
This early-stage study tests a new medication called cagrilintide to see how it influences appetite and food intake in adults with overweight or obesity. Researchers want to understand if this drug could help people feel fuller and eat less.
BerlinAges 18–64 - NCT07554222RecruitingPhase 1
Safety study of IBI3013 for vitiligo and hair loss
This is an early-stage safety study of a new drug called IBI3013. The trial tests how safe the drug is and how your body processes it. It enrolls healthy volunteers first, then people with vitiligo (loss of skin color) or severe alopecia areata (patchy hair loss).
Shanghai, Shanghai MunicipalityAges 18–80 - NCT07551492RecruitingPhase 3
New medicine for people with heart and blood vessel disease
This study tests an investigational medicine called HRS9531 for people with atherosclerotic cardiovascular disease (a buildup of plaque in the arteries that can lead to heart attacks and strokes). The trial aims to see if the medicine helps reduce risks in this condition.
Beijing, Beijing MunicipalityAges 18 years+ - NCT07551804RecruitingPhase 2
Growth hormone replacement therapy safety and effectiveness study
This study tests a new injectable growth hormone treatment for adults whose bodies don't produce enough growth hormone naturally. Researchers will measure how safe it is, how your body processes it, and whether it helps you feel better and function more normally.
BeijingAges 18–80 - NCT07556458Recruiting
Testosterone supplement study for adult men with low levels
This study tests a dietary supplement designed to raise testosterone levels in men who have low testosterone. If you qualify, you'll take the supplement and provide blood samples to see if your levels increase.
Carlsbad, CaliforniaAges 28–65 - NCT07555392RecruitingPhase 2/Phase 3
Chikungunya Vaccine Safety and Immune Response Study
This study tests a new vaccine to protect against chikungunya virus, a disease spread by mosquitoes that causes fever and joint pain. The study measures how well your immune system responds to the vaccine and tracks any side effects.
Guwahati, AssamAges 12–65 - NCT07553442RecruitingPhase 2
Testing ALN-AGT01 RVR for mild to moderate high blood pressure
This study tests a new experimental drug called ALN-AGT01 RVR in people with mild to moderate high blood pressure. The drug may help lower blood pressure by targeting a protein in the body that regulates blood pressure.
Lake Forest, CaliforniaAges 18–75 - NCT07552012RecruitingPhase 2
FXS5626 for Non-Infectious Eye Inflammation
This trial tests a new drug called FXS5626 to treat non-infectious uveitis—inflammation inside the eye that doesn't come from infection. The study looks at whether this drug can reduce eye inflammation and improve vision in people whose condition isn't controlled with steroid eye drops and oral steroids alone.
Chongqing, Chongqing MunicipalityAges 18–70 - NCT07553637RecruitingPhase 2
ALTO-207 for Adults With Hard-to-Treat Depression
This study tests whether a new medication called ALTO-207 can help people with depression that hasn't improved with standard antidepressants. You may qualify if you've tried multiple antidepressants without enough relief and are willing to add this experimental treatment to your current medication.
Birmingham, AlabamaAges 18–75 - NCT06387199RecruitingPhase 2/Phase 3
Weekly semaglutide with closed-loop system for type 1 diabetes
This trial tests whether adding a weekly semaglutide injection (a GLP-1 drug) to a closed-loop insulin system can help reduce the need for carb counting in people with type 1 diabetes. It aims to improve blood sugar control and make diabetes management easier.
Montreal, QuebecAges Any age - NCT06738953Recruiting
Preventing mental disorders with a self-efficacy course
This trial tests if a course designed to boost your belief in your own abilities can help prevent anxiety, mood, or substance use disorders. It is for young adults who currently feel less confident in handling challenges.
Potsdam, BrandenburgAges 18–30 - NCT05184335RecruitingPhase 3
Brilaroxazine for adults with schizophrenia
This study tests whether brilaroxazine works and is safe for people with schizophrenia. It mainly aims to help people whose symptoms are still present despite prior treatment, while excluding those with certain other diagnoses or substance/drug issues.
Phoenix, ArizonaAges 18–65 - NCT04913870RecruitingPhase 4
Tested blood pressure pills for mild to moderate aortic narrowing
This study tests whether angiotensin receptor blocker (ARB) blood pressure medication helps people with mild to moderate aortic stenosis (a narrowing of the heart’s main valve). It looks at safety and whether the treatment offers benefit for your heart and blood flow.
Québec, QuebecAges 20–99 - NCT06663631RecruitingPhase 1
Hibernation-like therapy for stroke recovery after clot removal
This trial tests if a hibernation-like therapy can improve recovery after a stroke caused by a large blood clot in the brain. It is for people who are having a stroke and are scheduled for a procedure to remove the clot.
Linyi, ShandongAges 18–80 - NCT07549256RecruitingPhase 2
Cannabidiol for pain relief in advanced prostate cancer
This trial tests a cannabis-derived medicine called cannabidiol (CBD) for pain relief in men with advanced prostate cancer that has stopped responding to standard treatments. The goal is to see if CBD can help reduce pain when other options have been exhausted.
GistrupAges Any age - NCT05587036RecruitingPhase 2/Phase 3
Rifaximin study to see how gut bacteria affect mood
This trial tests whether a gut-targeting antibiotic called rifaximin changes the gut microbiome (gut bacteria) and affects emotion. It is looking for healthy men so any mood or gut changes can be more clearly linked to the study treatment.
LeuvenAges 18–50 - NCT07551167RecruitingPhase 1
Safety Study of HRS-5765 in Healthy Adults
This is an early-stage safety test of a new experimental drug called HRS-5765 in people without serious health conditions. Researchers want to make sure the drug is safe and understand how your body processes it.
Beijing, Beijing MunicipalityAges 18–65
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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.