Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,245 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05818787Recruiting
Vestibular training to improve balance and dizziness thresholds
This trial tests whether a structured “vestibular perceptual learning” program can improve balance and your body’s balance signals. It may help people who have balance or dizziness challenges by measuring changes after training.
Columbus, OhioAges 65–89 - NCT05819138RecruitingPhase 3
Semaglutide for heart outcomes in adults with type 1 diabetes
This trial studies whether semaglutide can improve heart and blood-vessel outcomes in people with type 1 diabetes who use an insulin pump or automated insulin delivery. It may help reduce cardiovascular risks, but you must meet several health and medication-safety requirements.
Aurora, ColoradoAges 18–49 - NCT05819476Recruiting
Testing how open-label placebos affect induced pain
This study tests whether people can feel less pain when they know they are receiving a “placebo” (a treatment with no active pain-relieving medicine). It’s done in healthy adults by triggering short-lasting pain in a controlled way to see how the placebo effect changes pain feelings.
BaselAges 18–65 - NCT05821010RecruitingPhase 2
Synbiotics and fecal transplant for non-alcoholic liver inflammation
This Phase 2 study tests whether taking special gut-helping products (synbiotics) and/or a fecal microbiota transplant can improve non-alcoholic steatohepatitis (NASH), a type of liver inflammation. It may help by changing gut bacteria that may affect liver health, but you must meet specific safety and medical criteria.
Amsterdam, North HollandAges 18–75 - NCT05822141Recruiting
Omega-3 effects on body fat in cold exposure
This study tests whether omega-3 (fish oil–type) changes how your body fat responds when you are exposed to cold. It may help researchers understand how to regulate “brown fat,” which can be involved in how your body uses energy during cold.
Bloomington, IndianaAges 18–40 - NCT05822609RecruitingPhase 2
Semaglutide for kidney disease in adults with type 1 diabetes
This Phase 2 study tests semaglutide (a diabetes and weight-related medicine) to see if it can slow or improve diabetic kidney disease in people with type 1 diabetes. You may be able to join if you have type 1 diabetes for at least 5 years and ongoing signs of kidney damage measured in urine tests.
Aurora, ColoradoAges 18 years+ - NCT05822362RecruitingPhase 2
CBD for People with Early Memory Trouble Risk
This Phase 2 study tests whether CBD (a cannabis-derived product) can improve thinking and memory in people who are at risk for Alzheimer’s disease. You would be followed for about 24 weeks with memory/thinking check-ins and require a study partner to help with certain assessments.
Aurora, ColoradoAges 55–85 - NCT05823532RecruitingPhase 4
Anti-inflammatory treatment test in people with schizophrenia
This Phase 4 study tests how an anti-inflammatory approach affects people with schizophrenia or schizoaffective disorder who also have signs of body inflammation. It may help by targeting inflammation that could be linked to symptoms for some people.
Atlanta, GeorgiaAges 18–55 - NCT05823727Recruiting
Collagen supplement study before and after knee replacement
This study tests whether taking collagen peptides can improve how knee tissues heal and remodel after total knee arthroplasty (knee replacement). It also looks at functional recovery and wound healing, especially during the physical therapy period in Little Rock.
Little Rock, ArkansasAges 50–75 - NCT05829629RecruitingPhase 1
Test of an HPV vaccine-like treatment for HPV16 in women
This Phase 1 study tests FluBHPVE6E7, a new treatment designed to help the immune system respond to HPV16. It mainly checks safety and the best dose, and may help your body clear or control HPV over time.
BratislavaAges 18–49 - NCT05829655RecruitingEarly Phase 1
Measuring drug cravings in people with opioid use disorder
This study tests whether the medication suvorexant can reduce drug cravings in people with opioid use disorder. You will take either suvorexant or a placebo and have your cravings measured in a safe setting.
Baltimore, MarylandAges 18–65 - NCT05830877Recruiting
Acupuncture study for long-term trouble sleeping
This trial tests whether acupuncture can improve chronic insomnia, meaning ongoing difficulty falling asleep or staying asleep. You may be asked to complete questionnaires and sleep testing to see how your sleep and stress signals change.
Hangzhou, ZhejiangAges 18–70 - NCT05832489RecruitingPhase 3
EEG-MRI test of methylphenidate in adult attention symptoms
This Phase 3 study tests how methylphenidate affects brain signals and attention in adults with ADHD, and in adults with mood-related attention problems. It also includes healthy volunteers to compare brain responses during brain scanning.
StrasbourgAges 18–60 - NCT05832580RecruitingPhase 3
Preventing calcium buildup in skin, eyes, and blood vessels
This Phase 3 study tests a medicine to help prevent abnormal calcium (called ectopic mineralization) from building up in people with pseudoxanthoma elasticum (PXE). It aims to slow or reduce new damage over time.
UtrechtAges 18–50 - NCT05834413Recruiting
Herbs plus chemo and immunotherapy to prevent lung cancer spread
This study looks at whether staged Chinese herbal medicine added to standard treatment can lower the risk of lung cancer coming back or spreading after surgery. It is for people with stage Ib to IIIb non-small cell lung cancer whose tests show no “driver gene” targets.
Shanghai, Shanghai MunicipalityAges 18–74 - NCT05835037RecruitingPhase 4
Zinc supplement study for prediabetes blood sugar control
This study tests whether taking zinc can improve how your body controls blood sugar in people with prediabetes. It may help slow the progression toward type 2 diabetes, but you would need to meet specific health and medication criteria.
Lancaster, PennsylvaniaAges 18–80 - NCT05835206RecruitingPhase 2
Drug to reduce antibiotic-resistant gut bacteria
This Phase 2 study tests whether an investigational treatment can help clear or reduce antibiotic-resistant bacteria living in the gut. It may help prevent these germs from causing future infections by targeting specific resistant bacteria found on stool or rectal swabs.
Atlanta, GeorgiaAges 18 years+ - NCT05836272RecruitingPhase 4
Early norepinephrine for low blood pressure in sepsis
This trial tests whether starting norepinephrine early can improve outcomes for adults with sepsis who have low blood pressure. It may help stabilize circulation sooner and reduce complications from severe infection.
TunisAges 18 years+ - NCT05837104RecruitingPhase 2
Magnesium and vitamin B6 for early bipolar depression
This Phase 2 trial tests whether magnesium plus vitamin B6 can reduce depressive symptoms in people who are newly diagnosed with bipolar I disorder. It also checks for safety over a short, 4-week treatment period.
Belmont, MassachusettsAges 18–50 - NCT05837897RecruitingPhase 3
Vedolizumab for adults with moderate-to-severe Crohn’s
This Phase 3 study tests whether vedolizumab can better control moderate-to-severe Crohn’s disease in adults whose symptoms haven’t improved enough with other treatments. You’d need to meet specific symptom scores, recent colonoscopy findings, and safety checks (including infections and vaccination status).
Hefei, AnhuiAges 18–80 - NCT05838274Recruiting
Study of alcohol effects and brain scans in bipolar disorder
This study gives a controlled amount of alcohol and uses brain MRI scans to understand how alcohol affects people with bipolar disorder. It may help researchers find brain and behavior patterns that explain differences in alcohol responses.
Austin, TexasAges 21–26 - NCT05838716RecruitingPhase 3
Vitamin D During Hormone Therapy for Prostate Cancer
This trial studies whether taking vitamin D while you are on prostate hormone therapy (ADT) affects your health outcomes. It may help by keeping vitamin D levels in a safe range during treatment.
Newark, DelawareAges 50 years+ - NCT05840354Recruiting
Brain stimulation plus steroid shots for chronic spinal pain
This trial studies whether adding rTMS (a non-invasive brain stimulation treatment) to steroid joint injections can better reduce chronic spinal pain. It’s designed for people who already need repeated steroid joint injections to manage pain.
London, OntarioAges 18 years+ - NCT05841758RecruitingPhase 4
Hydroxychloroquine to reduce steroid use in sarcoidosis
This trial studies whether hydroxychloroquine can control extrapulmonary sarcoidosis (sarcoidosis outside the lungs) using less steroid treatment. It may help people who need systemic therapy for problems such as eyes, skin, bones, joints, nerves, ENT areas, or high calcium levels from sarcoidosis.
AvignonAges 18 years+
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,245 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.