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
- NCT07231484Recruiting
Grape study for immune and gut health in obesity
This trial tests if eating grapes every day for 4 weeks can improve your immune system and gut health. It is designed for adults with obesity who are willing to keep their diet and activity stable during the study.
Columbia, MissouriAges 18–60 - NCT06903546RecruitingPhase 4
Propolis for cholesterol in type 2 diabetes
This trial tests if taking propolis (a bee product) can help lower cholesterol in people with type 2 diabetes. It is for those whose diabetes is well-controlled and who are already on cholesterol medication.
JakartaAges 35–59 - NCT05201144RecruitingPhase 2
Test of sildenafil after diaphragm hernia surgery in newborns
This trial studies whether sildenafil (a medicine that helps relax blood vessels) can improve outcomes in babies born with a congenital diaphragmatic hernia (CDH) after they’ve had surgery. Babies are selected based on an ultrasound/echo of heart function after repair.
Salt Lake City, UtahAges Any age - NCT05199194RecruitingPhase 3
Clot-busting before or during procedure for acute stroke
This study compares two treatment approaches for a stroke caused by a blocked brain artery: doing a procedure to remove the clot alone versus giving an IV clot-busting medicine first (tenecteplase). It aims to see which approach works better and is safest for improving recovery.
Porto Alegre, Rio Grande do SulAges 18–85 - NCT05635227Recruiting
Medications during heart surgery to help control breathing and circulation
This study looks at whether giving dexamethasone and olanzapine during certain heart surgeries can improve how blood flow and ventilation (breathing support) are managed. It’s meant to see if these medicines help the body handle heart-lung bypass more safely.
CopenhagenAges 18 years+ - NCT04501406RecruitingPhase 2
Low-dose pioglitazone for fatty liver disease in people with type 2 diabetes
This Phase 2 study tests whether low-dose pioglitazone can improve NASH, a type of fatty liver disease, in adults who also have type 2 diabetes. You may be able to join if your diabetes medicines and lab tests meet specific safety and stability requirements.
Gainesville, FloridaAges 21–75 - NCT05199662RecruitingPhase 3
IV clot-busting medicine for stroke when standard options don’t fit
This trial tests whether giving IV TNK (tenecteplase) plus standard stroke care can improve outcomes in some people who have a new stroke but cannot get alteplase (another clot-busting drug) and do not have a large blocked artery that can be treated with a procedure. It’s meant for strokes with “mismatch” findings on scans that suggest salvageable brain tissue.
Porto Alegre, Rio Grande do SulAges 18 years+ - NCT06388863Recruiting
Fecal transplant for constipation in Parkinson's disease
This study tests whether a treatment called fecal microbiota transplantation (FMT) can help relieve constipation in people with Parkinson's disease. FMT uses healthy donor stool to improve gut bacteria, which may ease constipation and possibly improve Parkinson's symptoms.
Shanghai, Shanghai MunicipalityAges 40–75 - NCT06808074RecruitingPhase 4
Inhaled amikacin to prevent pneumonia in cirrhosis patients on ventilators
This trial tests whether inhaling an antibiotic called amikacin can prevent ventilator-associated pneumonia in patients with severe liver disease (cirrhosis) who are on a breathing machine. If you or your loved one is in the ICU with liver issues and needs a ventilator, this study may help reduce the risk of a serious lung infection.
Hyderabad, TelanganaAges 18 years+ - NCT07226674Recruiting
Study of gut health and plant nutrients for brain health
This trial tests whether a natural plant compound can help support memory and thinking in people at higher risk for Alzheimer's disease. You may qualify if you are over 50, overweight, eat a typical Western diet, and have a family history of Alzheimer's.
ColeraineAges 50 years+ - NCT07225543RecruitingPhase 2
Study of 2-HOBA for women with lupus
This trial tests whether a natural compound called 2-HOBA can help women with lupus who also have mildly high blood pressure. It aims to improve blood vessel health and reduce inflammation.
Nashville, TennesseeAges 18 years+ - NCT07227246RecruitingPhase 3
Testing rFVIIa for bleeding stroke within 2 hours
This trial tests whether a drug called Recombinant Factor VIIa (rFVIIa) can safely help stop bleeding in the brain during a hemorrhagic stroke. The goal is to give the drug as quickly as possible, within 2 hours of stroke onset, to see if it improves outcomes.
Birmingham, AlabamaAges 18–80 - NCT07228104RecruitingPhase 3
Steroid treatment after surgery for idiopathic subglottic stenosis
This study tests whether giving steroids after a procedure to open your windpipe can reduce the chance that the narrowing comes back. If you have this condition, the trial is looking for people who are healthy enough to take part.
San Diego, CaliforniaAges 18–80 - NCT07223814RecruitingPhase 3
Testing a new drug with standard chemo for AML
This trial adds an experimental drug called bleximenib to the usual chemotherapy for people newly diagnosed with AML who have certain genetic changes (NPM1 or KMT2A). The goal is to see if adding this drug helps the treatment work better.
Los Angeles, CaliforniaAges 18 years+ - NCT07226141RecruitingPhase 1/Phase 2
Valproate for persistent lazy eye in children and teens
This trial tests if the medication valproate (a seizure drug) can improve vision in children and teens aged 8-17 who still have a lazy eye (amblyopia) even after wearing glasses or patching. It may help if your child's vision has stopped getting better with standard treatments.
Boston, MassachusettsAges 8–17 - NCT07226440RecruitingPhase 1/Phase 2
Trial to help firefighters reduce PFAS with a gastrointestinal product
This trial tests if taking a special tablet twice daily can help male firefighters lower PFAS chemicals in their bodies. It involves three visits in the San Francisco Bay Area, at-home blood tests, and weekly text surveys over about 6.5 months.
San Francisco, CaliforniaAges 18 years+ - NCT07226700RecruitingPhase 3
Suzetrigine for pain after hip replacement surgery
This study tests an investigational pain medicine called suzetrigine to see how well it controls pain after total hip replacement surgery. It is for adults 18–80 who are having a first-time hip replacement and can receive spinal anesthesia.
New York, New YorkAges 18–80 - NCT07227636RecruitingPhase 2
Immunotherapy for ctDNA-positive colorectal cancer after surgery
This trial tests two immunotherapy drugs, botensilimab and balstilimab, for people with colorectal cancer who have had surgery and chemotherapy but still have detectable cancer DNA in their blood. The goal is to see if these drugs can help clear the remaining cancer cells.
Basking Ridge, New JerseyAges 18 years+ - NCT07224269RecruitingEarly Phase 1
Terazosin for energy in ALS patients
This study tests whether a medication called terazosin can boost energy levels in people with ALS (Lou Gehrig's disease). The goal is to see if it helps slow down the disease by supporting cell energy.
Iowa City, IowaAges 18–80 - NCT07229014Recruiting
Collagen supplement for quality of life and appetite
This trial tests whether a daily collagen supplement can improve quality of life, appetite, and blood sugar control in overweight adults who feel low energy or have trouble sleeping. You will take the supplement, use a continuous glucose monitor, and complete online surveys.
London, LondonAges 18–65 - NCT07227948RecruitingPhase 2
Testing semaglutide for cocaine use disorder
This study tests whether semaglutide, a medication used for weight management, can help reduce cocaine use in people with cocaine use disorder. You may qualify if you have a body mass index (BMI) of 25 or higher and recently used cocaine.
Houston, TexasAges 18 years+ - NCT07229521Recruiting
Nattokinase for heart, gut, sleep, and brain health in metabolic syndrome with sleep issues
This study tests whether a supplement called nattokinase can improve heart health, sleep, thinking, and gut bacteria in people with metabolic syndrome and mild-to-moderate sleep apnea. If you have a larger waist, blood pressure or blood sugar issues, or imbalanced cholesterol, and have been diagnosed with mild or moderate sleep apnea, you may be eligible.
TaipeiAges 18 years+ - NCT07223580RecruitingPhase 4
Steroid use for pain after kidney stone surgery
This trial tests if giving a corticosteroid during ureteroscopy (a scope procedure to remove kidney or ureter stones) can reduce pain afterward. If you are having this surgery and are not already on steroids or strong pain medicines, this study may help manage your recovery.
Scottsdale, ArizonaAges 18 years+ - NCT07222072RecruitingPhase 4
Methadone to reduce opioid use after spine surgery
This study tests whether giving methadone during and after major spine surgery can help reduce the need for other opioid pain medicines later. It is for adults having multilevel fusion in the lower or mid-back.
Cleveland, OhioAges 18–72
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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.