Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,962 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05646381RecruitingPhase 2
Drug study to slow hardening of aortic valve disease
This Phase 2 trial tests pelacarsen (TQJ230), a medication that lowers a blood fat called lipoprotein(a), to see if it slows progression of calcific aortic valve stenosis. It may help people whose valve narrowing is starting to become more severe, especially when their lipoprotein(a) level is high.
Huntsville, AlabamaAges 50–80 - NCT05647044RecruitingPhase 1
Brain stimulation to reduce impulsivity and suicidal thoughts after mild TBI
This early-stage study tests whether a noninvasive brain stimulation treatment (called iTBS) can reduce impulsivity and suicidal thoughts in Veterans who have had a mild traumatic brain injury (mTBI) and recent suicidal thinking. If you qualify, you may be offered a monitored treatment plan and assessments for safety and symptom changes.
Hines, IllinoisAges 22–65 - NCT05648214RecruitingPhase 1/Phase 2
Testing a new liver medicine in people with fatty liver
This early-phase study tests whether ALN-PNP is safe and well tolerated, first in healthy adults and then in adults with MASLD (fatty liver disease). If you have MASLD, it may help researchers learn whether this medicine is a promising option for treating liver fat buildup.
Glendale, CaliforniaAges 18–75 - NCT05649605Recruiting
Testing early response to gender-affirming hormone treatment
This study looks at how people respond early after starting gender-confirming hormones. It may help doctors understand what changes happen soon after treatment starts and how to manage it safely.
StockholmAges 18–99 - NCT05651347RecruitingPhase 3
Melatonin in pregnancy to protect babies with slow growth
This trial studies whether taking melatonin during pregnancy can help protect the baby’s brain and organs in cases of poor fetal growth. It focuses on pregnancies at a specific gestational age with signs that the placenta may not be working well.
Camperdown, New South WalesAges 18 years+ - NCT05653258RecruitingPhase 2/Phase 3
Study cells in fat tissue and aging cells in older adults
This study uses a special lab test on tiny samples from body fat to map different cell types and “senescent” (aging) cells. It may help researchers understand how aging and obesity are linked, which could guide future treatments.
Los Angeles, CaliforniaAges 18 years+ - NCT05654753RecruitingPhase 2/Phase 3
Fecal transplant for stubborn axial spondyloarthritis
This trial tests whether transplanting healthy stool bacteria (fecal microbiota transplantation) can reduce symptoms in people with axial spondyloarthritis (including ankylosing spondylitis) who are not improving enough with standard medicines. If you qualify, you may receive study capsules containing processed bacteria and be closely monitored for safety and symptom changes.
Boulogne-BillancourtAges 18–75 - NCT05658575RecruitingPhase 2/Phase 3
Tablets to treat sudden gout flare pain
This trial studies dapansutrile tablets (OLT1177) to see how well they work for people in the first 4 days of an acute gout flare. It may help reduce pain and inflammation in the specific joint where your gout is flaring.
Birmingham, AlabamaAges 18 years+ - NCT05664789RecruitingPhase 2/Phase 3
N-acetylcysteine for autism behaviors in children
This trial studies whether N-acetylcysteine, a medicine taken by mouth, can improve autism-related restricted and repetitive behaviors in children. It looks at children who are showing at least moderate severity in these behaviors and may involve brain testing for safety reasons.
Palo Alto, CaliforniaAges 3–12 - NCT05665465RecruitingEarly Phase 1
Study how childhood stress may affect future smoking risk
This early study looks at how experiences from childhood may affect brain and behavior patterns related to nicotine and smoking risk. It may help researchers design better prevention strategies for people who have never smoked.
Durham, North CarolinaAges 18–21 - NCT05667142RecruitingPhase 3
Testing an add-on drug for hard-to-control generalized convulsive seizures
This Phase 3 trial tests XEN1101 added to your current seizure medicines for people with primary generalized tonic-clonic seizures. It’s for seizures that have not fully stopped even after trying at least two appropriate medicines.
Mobile, AlabamaAges 12 years+ - NCT05667090Recruiting
High-dose vitamin D3 to ease chronic pain in dialysis patients
This study tests whether taking a very high dose of vitamin D3 can reduce moderate to severe chronic pain in people on hemodialysis. It may help by improving vitamin D-related pathways that could affect pain, but you must also meet specific health and testing requirements.
TaipeiAges 20 years+ - NCT05669820RecruitingPhase 2/Phase 3
Study drug for aggressive brain tumor after surgery
This trial tests an “antisecretory factor” treatment in people with grade 4 glioblastoma (or astrocytoma). It aims to see whether it can improve outcomes when used alongside planned cancer treatments after surgery.
LundAges 18–75 - NCT05670951RecruitingPhase 3
Drug ELGN-2112 for gut absorption problems in preterm babies
This Phase 3 trial tests whether ELGN-2112 helps preterm babies absorb food from the intestines. It aims to improve intestinal malabsorption and check safety.
NetanyaAges 1 day–5 days - NCT05677971RecruitingPhase 3
Tested medicine to treat liver scarring in PiZZ alpha-1 disease
This Phase 3 study tests fazirsiran for safety and whether it can help people with a specific genetic form of alpha-1 antitrypsin–related liver disease that causes liver scarring. You may be eligible if you have the PiZZ genetic type and moderate-to-severe fibrosis, with certain lung and liver conditions ruled out.
Birmingham, AlabamaAges 18–75 - NCT05680480RecruitingPhase 2
Telitacicept for active lupus kidney inflammation
This trial tests telitacicept to improve lupus nephritis (inflammation of the kidneys caused by lupus). It targets people with active kidney disease confirmed by biopsy and compares outcomes while you receive standard steroid plus mycophenolate treatment.
Hefei, AnhuiAges 18–75 - NCT05681299RecruitingPhase 4
Testing growth hormone and liraglutide effects on hunger hormones
This study tests how growth hormone (GH) and liraglutide affect a hunger-related hormone system called AgRP. It compares effects in healthy people (lean or overweight) and in people with isolated GH deficiency, aiming to understand how these treatments change appetite and metabolism.
New York, New YorkAges 18–45 - NCT05686642RecruitingPhase 2
Drug LT3001 for sudden stroke symptoms within 24 hours
This Phase 2 study tests LT3001 to improve recovery after an acute ischemic stroke (a stroke caused by blocked blood flow). It is designed for people who can be treated within 24 hours of symptom onset and who meet specific safety and health requirements.
Beijing, Beijing MunicipalityAges 18–80 - NCT05688696RecruitingPhase 2
Testing a drug called orelabrutinib for lupus symptoms in adults
This Phase 2 trial studies whether orelabrutinib can improve systemic lupus erythematosus (SLE) and check its safety. It may help people with active lupus who are already on stable lupus medicines.
Bengbu, AnhuiAges 18–75 - NCT05688618Recruiting
Probiotic and fiber supplement for mild memory problems
This trial studies whether a daily supplement containing a probiotic and a fiber called inulin can improve mild cognitive impairment (mild memory/thinking difficulties) in older adults. If you have mild cognitive impairment (not dementia), you may be asked to take the supplement and be monitored over time.
Mexico CityAges 70–85 - NCT05690048RecruitingPhase 2
Fecal transplant to help liver cancer respond to standard drugs
This trial studies whether a fecal microbiota transfer (a “gut bacteria transfer” from a donor) can help liver cancer patients overcome resistance to atezolizumab and bevacizumab. It aims to improve how well the standard medicines control the cancer.
Heidelberg, Baden-WurttembergAges 18 years+ - NCT05695313RecruitingPhase 2
Prevent nerve damage during weekly paclitaxel breast cancer treatment
This Phase 2 study tests whether a daily tablet (Onlife) can help prevent nerve side effects (“neurotoxicity”) caused by weekly paclitaxel given for breast cancer. You’d be randomly assigned to the tablet or a placebo, and you would be closely followed with questionnaires and clinic visits.
DijonAges 1.5 years+ - NCT05697328Recruiting
Testing barotrauma effects of hyperbaric oxygen
This study looks at problems caused by pressure changes during hyperbaric oxygen therapy (HBOT). It may help the team understand risks and how to keep treatment safer while you get HBOT.
Walnut Creek, CaliforniaAges 18 years+ - NCT05698862Recruiting
Study how gut bacteria affect brain and behavior
This study looks at how gut bacteria may influence brain function and behavior, through a chemical called GABA. It may help researchers understand brain–gut links, though it is not yet a treatment trial.
ReadingAges 18–50
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Common questions
- Are there clinical trials for placebo - control?
- Yes. Clin2 currently lists 3,962 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.