Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,240 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06576271RecruitingPhase 1
Testing a new drug for lupus and related lung disease
This study tests an experimental drug called GSK4527363. It is first being given to healthy volunteers to check safety, then to people with lupus (SLE) and people with connective tissue disease-related lung disease (CTD-ILD). The goal is to see if the drug is safe and how the body processes it.
Scottsdale, ArizonaAges 18–65 - NCT06576466Recruiting
Creatine for stroke recovery
This study tests whether taking a daily creatine supplement for a few weeks can help people recover movement better after a recent clot-caused stroke. If you've had a stroke in the past 1 to 5 days and need rehab for weakness or coordination issues, you may be able to join.
Palma de Mallorca, Balearic IslandsAges 18–80 - NCT06576921RecruitingPhase 2
Study of serplulimab with chemo before surgery for stomach cancer
This trial tests if adding serplulimab to standard chemotherapy before surgery can help shrink locally advanced stomach or gastroesophageal junction cancer. It aims to improve treatment outcomes for patients who are candidates for surgery.
Shijiazhuang, Heibei ProvinceAges 18–75 - NCT06577558RecruitingPhase 2
SR1375 for severe pneumonia not improving on antibiotics
This trial tests a new drug called SR1375 for adults with severe community-acquired pneumonia (a lung infection) who are not improving with standard antibiotics. It may help reduce inflammation and speed up recovery.
Fuyang, AnhuiAges 18–85 - NCT06578182RecruitingPhase 3
Can colchicine reduce knee or hip replacement?
This study tests whether a low-dose medicine called colchicine can lower the chance that people with knee or hip arthritis will need a joint replacement. If you have arthritis in your knee or hip and are not already scheduled for surgery, you may be able to join.
NijmegenAges 45–80 - NCT06579755RecruitingPhase 3
Dengue vaccine study for adults aged 45 to 79
This study tests a dengue vaccine (TDV) in adults aged 45 to 79. It aims to see if the vaccine is safe and effective, even for people with common health conditions like diabetes or high blood pressure.
Buenos AiresAges 45–79 - NCT06580717RecruitingPhase 4
Testing empagliflozin for heart stiffness in hypertrophic cardiomyopathy
This study tests whether a diabetes drug (empagliflozin) can improve the heart's ability to relax and fill with blood in people with non-obstructive hypertrophic cardiomyopathy, a type of heart muscle thickening. You may be able to join if you have this condition and are not currently taking an SGLT2 inhibitor.
SeoulAges 19–80 - NCT06582706RecruitingPhase 1/Phase 2
Vitamin B3 (niacin) for Alzheimer's disease
This study tests if nicotinic acid (a form of vitamin B3) can help people with mild to moderate Alzheimer's disease. It involves taking a daily pill, having a lumbar puncture, and regular check-ups to see if the vitamin improves thinking and memory.
Indianapolis, IndianaAges 60–85 - NCT06582875RecruitingPhase 2
GLP-1 drug for polycystic kidney disease and weight
This study tests a GLP-1 receptor agonist (a type of medicine that helps with weight and metabolism) in people with polycystic kidney disease who are overweight. It aims to see if this drug can help slow kidney disease progression.
Aurora, ColoradoAges 18–65 - NCT06582888RecruitingEarly Phase 1
VR attention test for smoking cravings
This study tests whether a virtual reality (VR) program can measure how your brain pays attention to smoking cues. It also involves taking a medication called varenicline (Chantix) to see if it reduces cravings. You may be eligible if you are a daily smoker, have been smoking for at least 3 years, and are not ready to quit in the next month.
San Diego, CaliforniaAges 22 years+ - NCT06585033Recruiting
Spinal cord stimulation for pain after back surgery
This trial tests how much of the pain relief from spinal cord stimulation is due to the placebo effect. It is for people with ongoing leg pain after back surgery who have already tried other treatments without success.
ArnhemAges 18–70 - NCT06584786RecruitingEarly Phase 1
Jing Si Herbal Tea for COPD
This trial tests whether Jing Si Herbal Tea can help people with COPD feel better. If you have COPD and want to try a natural approach, this study might be for you.
New Taipei City, XindanAges 20 years+ - NCT06585449RecruitingPhase 1
Study of ALN-HTT02 for Huntington's disease
This trial tests an experimental drug called ALN-HTT02 for people with Huntington's disease. The goal is to see if it can help manage symptoms. Participants must have stage 2 or early stage 3 Huntington's disease.
EdmontonAges 25–70 - NCT06585748Recruiting
Lidocaine spray for comfort during bladder catheterization
This trial tests if using lidocaine spray can make bladder catheterization more comfortable for men. If you are an adult male who needs this procedure, this study may help reduce discomfort.
Ankara, AnkaraAges 18–92 - NCT06587412Recruiting
Shock Wave Therapy for Chronic Tennis Elbow
This trial tests if shock wave therapy can help people with long-term tennis elbow (pain on the outside of the elbow lasting more than 3 months). The treatment is a non-invasive option that may reduce pain and improve function.
Alcalá de Henares, MadridAges 18–70 - NCT06587945RecruitingPhase 4
Nicotinamide riboside for retinal detachment repair
This trial tests if taking a daily supplement called nicotinamide riboside after retinal detachment surgery can help the eye heal better and see more clearly. It is for people who had a specific type of retinal detachment and have already had cataract surgery.
East Melbourne, VictoriaAges 18 years+ - NCT06588699RecruitingPhase 2
Digoxin for NASH liver disease study
This trial tests if the heart medication digoxin can help people with NASH (fatty liver disease with inflammation), who have moderate liver scarring. You will receive digoxin or a placebo for 24 weeks and have a liver biopsy before and after treatment to see if the medication reduces liver damage.
New Haven, ConnecticutAges 18–75 - NCT06592833RecruitingPhase 2
Psilocybin with or without pimavanserin for depression
This study tests whether combining psilocybin (a psychedelic substance) with pimavanserin (a medication that may help reduce side effects) works better than psilocybin alone for treating major depressive disorder. It may help people who have not responded well to other treatments.
New York, New YorkAges 21–80 - NCT06592859Recruiting
NMN supplement study for healthy middle-aged and older adults
This study tests if nicotinamide mononucleotide (NMN), a natural supplement, can help middle-aged and older adults stay healthy. It aims to see if NMN can slow aging-related changes in healthy people between 40-70 years old.
Quzhou, ZhejiangAges 39–70 - NCT06595355RecruitingPhase 2/Phase 3
Study of eye injections with or without curcumin for diabetic eye swelling
This trial tests whether adding oral curcumin (a natural supplement) to standard eye injections (bevacizumab) improves treatment for diabetic macular edema, a swelling in the back of the eye that can affect vision.
Isfahan, Isfahan University of Medical SciencesAges 40 years+ - NCT06595719Recruiting
Probiotics plus standard care for mild to moderate UC
This trial tests whether adding a multi-strain probiotic supplement to your usual care can help manage mild to moderate ulcerative colitis (UC). It lasts 12 weeks and requires you to stay on your current medications without changes.
Cheras, Kuala LumpurAges 18–90 - NCT06596083Recruiting
Ketone supplement and altitude training study
This study tests whether drinking a ketone supplement helps your body adapt better during a 5-week altitude training program. You would live at high altitude but train at low altitude.
Leuven, Vlaams-BrabantAges 18–35 - NCT06596434RecruitingPhase 2
Testing 4-aminopyridine cream for faster burn healing
This study tests a medicine called 4-aminopyridine (also used for nerve conditions) to see if it helps second-degree burns heal faster. If you have a fresh burn, you might be able to join.
Tucson, ArizonaAges 18 years+ - NCT06597019RecruitingPhase 3
Study of inclisiran for children with high cholesterol
This trial tests a medicine called inclisiran to lower high cholesterol in children ages 6 to 12 with a genetic condition called heterozygous familial hypercholesterolemia (HeFH). It may help children who still have high cholesterol despite taking other treatments.
San Francisco, CaliforniaAges 6–11
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,240 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.