Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,902 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05011266RecruitingPhase 2/Phase 3
Buprenorphine plus naltrexone shot to prevent opioid relapse
This trial tests whether a combination of buprenorphine (through your care plan) and a monthly extended-release naltrexone (XR-NTX) shot can help prevent opioid relapse. It may help people who are ready to move toward a naltrexone-based relapse-prevention treatment after detox.
Rockville, MarylandAges 18–65 - NCT05004987RecruitingPhase 4
Study brain and blood changes in older adults with depression
This study looks at how a brain protein linked to Alzheimer’s disease changes over time in older adults who have major depression but no major memory problems. It involves brain scans, blood and urine tests, and a spinal fluid sample to better understand the connection between depression and brain aging.
New York, New YorkAges 60 years+ - NCT04951622RecruitingPhase 3
Testing nipocalimab for adults with generalized myasthenia gravis
This Phase 3 study tests nipocalimab, a medication given by infusion (and in some groups by injections under the skin), to improve symptoms in adults with generalized myasthenia gravis (MG). It may help reduce weakness in daily activities, especially if you meet specific symptom and safety criteria.
Paradise Valley, ArizonaAges 18 years+ - NCT04984512RecruitingPhase 2/Phase 3
Testing mitizodone tablets for major depression symptoms
This trial studies whether mitizodone phosphate tablets can improve symptoms of major depressive disorder (MDD). It also checks the treatment’s safety, including mood and physical health effects.
Dongguan, GuangdongAges 18–65 - NCT04957719Enrolling by invitationPhase 3
Testing selatogrel to prevent problems after a recent heart attack
This trial tests selatogrel to see if it can better prevent harmful heart and blood-clot outcomes after a recent heart attack. You may be considered if you had a heart attack in the past 4 weeks and have higher-risk heart artery disease.
Alexander City, AlabamaAges 18 years+ - NCT04962776RecruitingPhase 4
Carb plus nitrate drinks before gynecologic surgery
This trial compares two pre-surgery drink plans: a low-sugar/low-concentration carbohydrate drink plus nitrates versus a carbohydrate drink alone. It aims to see which plan works better for patients having open gynecologic surgery.
CairoAges 18–60 - NCT04971954Recruiting
Nicotine test to improve age-related hearing processing
This study tests whether nicotine can improve how your brain processes sounds, which can get worse with age. It’s designed for non-smokers without significant hearing or medical/medication issues.
Irvine, CaliforniaAges 18–85 - NCT04998188Recruiting
Hydrolyzed collagen for one knee with osteoarthritis
This trial tests whether a hydrolyzed collagen drink or supplement can reduce knee pain and symptoms compared with a placebo (inactive treatment) in people with osteoarthritis. It may help if you’ve tried standard non-surgical treatments and still have ongoing knee trouble.
BolognaAges 18–75 - NCT04963777Recruiting
Prebiotics for gut health in young people with type 1 diabetes
This trial studies whether taking prebiotics can change gut bacteria (gut microbiome) in people with type 1 diabetes. The goal is to see if these gut changes are linked to better health or diabetes-related outcomes.
Calgary, AlbertaAges 7 years+ - NCT04972760RecruitingPhase 3
Baricitinib for active dermatomyositis in adults
This trial studies whether baricitinib can improve symptoms and test results in adults with active dermatomyositis (a muscle and skin inflammation disease). It’s for people whose disease is still active despite prior treatment or who have been recently diagnosed.
ParisAges 18–64 - NCT04982965RecruitingEarly Phase 1
Study brain changes behind cannabis pain relief
This early study looks at how the brain may respond to cannabis to reduce long-lasting lower back pain. You may be asked to follow strict rules about cannabis, opioids, and safety checks (including MRI) to help researchers understand the brain mechanisms.
La Jolla, CaliforniaAges 21–65 - NCT04976036RecruitingPhase 2
Nintedanib to reduce nosebleeds in adults with HHT
This trial tests whether nintedanib can reduce how often and how severe nosebleeds are in adults with hereditary hemorrhagic telangiectasia (HHT). It may help by calming blood-vessel problems that cause bleeding.
BronAges 18 years+ - NCT04915183RecruitingPhase 2
Atorvastatin to help prevent cisplatin-related hearing loss
This Phase 2 trial tests whether a cholesterol medicine called atorvastatin can protect hearing in people with head and neck cancer receiving cisplatin plus radiation. If it works, it may reduce the chance or severity of treatment-related hearing damage.
Atlanta, GeorgiaAges 18–100 - NCT04858334RecruitingPhase 2
Olaparib after pancreatic cancer surgery for BRCA or PALB2 mutations
This trial studies whether olaparib (a targeted cancer medicine) can help prevent pancreatic cancer from coming back after surgery in people with BRCA1, BRCA2, or PALB2 mutations. You would get olaparib or a placebo (inactive pill) and be closely followed to see if recurrence is reduced.
Anchorage, AlaskaAges 18 years+ - NCT04877093RecruitingPhase 3
Low-dose clonidine for PTSD nightmares in veterans
This Phase 3 study tests whether low-dose clonidine can reduce PTSD symptoms and especially nightmares in U.S. veterans. You’d be screened for PTSD severity and current treatments, then asked to visit the clinic as scheduled to see if the treatment helps.
Wauwatosa, WisconsinAges 18 years+ - NCT04874012RecruitingPhase 2
Taurine supplement study for blood sugar, fats, and inflammation
This Phase 2 study tests whether taking taurine affects blood sugar control, cholesterol/fats, and inflammation in people with type 2 diabetes. It may help by improving these lab markers, which are linked to long-term health risks.
Porto Alegre, Rio Grande do SulAges 30–80 - NCT04860141RecruitingPhase 4
Gabapentin before wisdom tooth removal to reduce pain
This trial tests whether taking gabapentin before extracting a wisdom tooth helps with pain and comfort after the procedure. It may help people who need a third-molar removal, if they meet the safety and health requirements.
Loma Linda, CaliforniaAges 18–59 - NCT04922333RecruitingPhase 3
Bisphosphonate to prevent bone loss after sleeve weight-loss surgery
This study looks at whether a bisphosphonate medicine can reduce bone loss after sleeve gastrectomy (a type of weight-loss surgery). If you had the surgery, it may help protect your bones while you recover and lose weight.
Winston-Salem, North CarolinaAges 30 years+ - NCT04886284RecruitingPhase 2
Cefazolin plus ertapenem for MSSA bloodstream infection
This Phase 2 study tests whether adding ertapenem to cefazolin can improve treatment of staphylococcus (“S. aureus”) bloodstream infection that is likely methicillin-susceptible (MSSA). It aims to start the right antibiotics quickly, before MRSA status is fully confirmed, using early testing and a treatment plan guided by infectious-disease specialists.
Calgary, AlbertaAges 18–100 - NCT04883255RecruitingEarly Phase 1
Study cannabis effects on brain function in adults with HIV
This early-phase study looks at how cannabis (and the body’s cannabinoid system) may affect thinking and brain-related measures in people with HIV. You may be asked to avoid cannabis and complete several brain and health assessments to see how these factors relate.
San Diego, CaliforniaAges 18–65 - NCT04880707RecruitingPhase 2
Pain medication options for lower wisdom tooth removal
This study compares pain-medication approaches during and after removing at least one lower impacted wisdom tooth (a tooth that’s stuck). It may help find a safer or more effective way to control dental pain after surgery.
Newark, New JerseyAges 18 years+ - NCT04899908RecruitingPhase 2
Brain radiation with or without gadolinium nanoparticles for brain metastases
This trial tests whether adding tiny gadolinium-containing nanoparticles to standard brain radiation can better control brain metastases from certain cancers. It is for people with tumors that have grown after immunotherapy, are from certain cancers (like melanoma, GI, or HER2+ breast), are cystic, are large, or have come back after prior radiation.
Boston, MassachusettsAges 18 years+ - NCT04867317RecruitingPhase 3
Growth hormone treatment for veterans with mild traumatic brain injury and hormone deficiency
This study tests whether giving growth hormone, a natural substance that helps the body grow and repair tissues, can improve symptoms in veterans who have both a mild traumatic brain injury (concussion) and a deficiency in growth hormone. If you qualify, you may receive the treatment or a placebo (inactive shot), and the study will track your quality of life and symptoms over time.
Birmingham, AlabamaAges 21–55 - NCT04781322RecruitingPhase 1
Study drug to reduce LDL cholesterol effects in heavy drinkers
This Phase 1 study tests how safe a cholesterol-lowering antibody (alirocumab) is in people who drink heavily but are not seeking alcohol treatment. It also looks at early drug effects in the body to see how it might change cholesterol-related signals.
Bethesda, MarylandAges 21–65
Hear when a new Placebo - Control trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,902 recruiting placebo - control 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 - control 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 - control 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.