Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,229 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07324434Enrolling by invitationPhase 1
Study of an oral tablet for healthy adults and those with high uric acid
This trial tests a new tablet (F-02-2-Na) to see if it's safe and how the body processes it. It's for healthy volunteers and people with high uric acid levels who may need long-term treatment.
Guangzhou, GuangdongAges 18–45 - NCT06980090Recruiting
How doctors' expectations affect their emotions
This study looks at how expecting to feel pain can change how doctors react emotionally. It uses brain scans (MRI) and mild electrical stimulation (tTIS) to understand these effects.
Hanover, New HampshireAges 18–55 - NCT07212803RecruitingPhase 4
Energy drinks study for young healthy adults
This study looks at how energy drinks affect your heart. It compares the effects of two different energy drinks on heart rate and other heart measures. You will have several short visits where you drink an energy drink and get your heart checked.
Stockton, CaliforniaAges 18–40 - NCT07176208RecruitingPhase 1
THC and alcohol effects on driving in healthy adults
This study looks at how taking THC (the active ingredient in cannabis) with or without alcohol affects your driving and perception. You will take a THC pill and possibly a drink with alcohol, then have your driving tested in a simulator.
West Bend, WisconsinAges 21–55 - NCT07120880RecruitingPhase 3
Light therapy timing for depression with insomnia
This trial tests whether giving light therapy at a specific time of day can improve both depression and sleep problems. It is for adults with major depression and insomnia who are not currently on antidepressants.
ParisAges 18–65 - NCT06310551RecruitingPhase 1
Long-acting HIV prevention study for healthy adults
This study tests a new long-acting medicine that may help prevent HIV. It is given as an injection, and the study checks how safe it is and how it works in healthy volunteers.
Lenexa, KansasAges 18–55 - NCT07750249Enrolling by invitationEarly Phase 1
Short-chain fatty acids for IgA nephropathy
This trial tests whether a daily supplement of short-chain fatty acids (SCFAs) can slow down kidney damage in people with IgA nephropathy. SCFAs are substances made by gut bacteria that may help reduce inflammation and protect the kidneys.
MartinAges 18 years+ - NCT07302880Recruiting
How biotin affects blood test results
This study looks at how taking biotin (a common vitamin) might interfere with routine blood tests. It is for healthy individuals who want to understand if their vitamin supplement could change their lab results.
CopenhagenAges 20–70 - NCT05042102RecruitingPhase 2
Donepezil plus brain training for alcohol use disorder
This Phase 2 study tests whether donepezil, along with structured cognitive (brain) training, can improve outcomes for people with alcohol use disorder. It will measure whether this combination helps after recent heavy drinking, while tracking safety over about 13 weeks.
West Haven, ConnecticutAges 18–80 - NCT06205056RecruitingPhase 1
HIV vaccine safety and immune response test
This trial tests a new combination HIV vaccine in healthy adults to see if it is safe and produces an immune response. If you are at low risk for HIV, you may help researchers learn more about future prevention strategies.
KampalaAges 18–50 - NCT06406114RecruitingPhase 2
Better Allergy Testing for Cephalosporin Antibiotics
This study tests better ways to diagnose allergies to common cephalosporin antibiotics, like Keflex and Rocephin. By participating, you may learn if you are truly allergic to these medicines and if they are safe for you to take in the future.
Scottsdale, ArizonaAges 18–70 - NCT06894784RecruitingPhase 3
Combining two diabetes drugs with an automated insulin pump
This trial tests if adding semaglutide and empagliflozin to your automated insulin delivery system (like a smart pump) can improve blood sugar control for adults with type 1 diabetes. It may help with both glucose levels and weight management.
Montreal, QuebecAges 18 years+ - NCT07402902Enrolling by invitation
Caffeine timing and fat burning during exercise
This trial looks at how different caffeine strategies affect how much fat you burn during exercise. If you are a healthy, active adult, this study could help you understand how caffeine might improve your workouts.
Fuenlabrada, MadridAges 18–50 - NCT06377085Enrolling by invitationPhase 1
Testing an old drug for tight muscles in kids with cerebral palsy
This trial tests a drug called 5-Azacytidine, which is being used in a new way—to help loosen tight muscles (contractures) in children with cerebral palsy. It aims to see if it can reduce the need for surgery.
San Diego, CaliforniaAges 2–18 - NCT07662044RecruitingPhase 3
Studying elecoglipron for type 2 diabetes
This trial tests a new medicine called elecoglipron, taken alone or with another diabetes drug (dapagliflozin), to see if it helps control blood sugar better than a placebo. It may be an option if your current treatment isn't working well enough.
Birmingham, AlabamaAges 18 years+ - NCT07305818RecruitingPhase 1
Testing a new drug for Graves' disease
This study tests a new medication called MER511 for adults with Graves' disease. The goal is to see if it is safe and how it works when taken once or multiple times.
Torrance, CaliforniaAges 18–65 - NCT06383091Recruiting
Manual therapy for voice recovery after thyroid removal
This study tests if a special hands-on therapy (manual therapy) can help your voice and throat muscles recover better after total thyroidectomy. It may reduce voice problems that sometimes happen after surgery.
Baltimore, MarylandAges 18 years+ - NCT07579741RecruitingPhase 1/Phase 2
Testing JL18008 for HIV Patients Not Recovering Immune Cells
This study tests an experimental drug called JL18008 in people with HIV who have been on stable HIV medications for years but whose immune systems (CD4 cells) haven't recovered as expected. The drug may help boost immune function in these patients.
Beijing, Beijing MunicipalityAges 18–65 - NCT06312748RecruitingPhase 1
Improving blood vessels in veterans with heart failure
This test is looking at whether certain medications (like statins) can help improve blood vessel health in veterans who have heart failure with preserved pumping function. It may help reduce symptoms and keep you out of the hospital.
Salt Lake City, UtahAges 18 years+ - NCT06727734RecruitingPhase 3
Emergency contraception pill comparison study
This study compares two emergency contraception pills to see which works better. You take one pill after unprotected sex to help prevent pregnancy.
Hong KongAges 18–45 - NCT06544915Recruiting
Synbiotic vs. probiotic for heart and gut health
This study tests whether a synbiotic (a combination of probiotics and prebiotics) is better than a probiotic alone or a placebo for improving gut health and heart health. If you are a healthy adult who hasn't taken antibiotics recently and has few heart disease risk factors, you may be able to join.
Saratoga Springs, New YorkAges 18–60 - NCT06703073RecruitingPhase 2
Testing new treatments for acute respiratory distress syndrome (ARDS)
This trial is testing new treatments for people with ARDS, a serious lung condition. The goal is to find therapies that help patients breathe better and recover faster. If you or a loved one has ARDS, this study may offer access to experimental treatments.
Birmingham, AlabamaAges 18 years+ - NCT06481852RecruitingPhase 1
Gut bacteria transplant for pulmonary arterial hypertension
This trial tests whether a special combination of antibiotics, fecal transplant (gut bacteria from healthy donors), and a fiber supplement can help people with pulmonary arterial hypertension (PAH). It aims to see if improving gut health can improve PAH symptoms and overall well-being.
Minneapolis, MinnesotaAges 18–75 - NCT06052254RecruitingPhase 2
Skin patch for agitation in Alzheimer's dementia
This trial tests a skin patch that delivers a medicine called dexmedetomidine to help calm agitation in people with Alzheimer's disease. It might be an option for those living in a care facility who have had recent episodes of agitation.
Daytona Beach, FloridaAges Any age
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,229 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.