Clinical trials
Placebo clinical trials
Below are recruiting placebo clinical trials, each written for real people, not researchers. We’re tracking 5,245 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05637879RecruitingPhase 2/Phase 3
Glecaprevir for PTSD symptoms in Veterans
This Phase 2/3 study tests whether glecaprevir/pibrentasvir can reduce post-traumatic stress disorder (PTSD) symptoms. It may help Veterans whose PTSD is still affecting daily life, alongside any allowed standard care.
White River Junction, VermontAges 19–70 - NCT05638360RecruitingPhase 2
Test medicine for healing after wrist bone fracture surgery
This Phase 2 trial studies whether Ru-Yi-Jin-Huang-Saan (a traditional Chinese medicine) helps the wrist heal better after surgery for a Colles’ fracture. If you qualify, you may receive the medicine and be asked to complete questionnaires to track healing and outcomes.
Changhua, ChanghuaAges 20–80 - NCT05639933RecruitingPhase 2
Topical cream for EGFR inhibitor skin rash in cancer patients
This Phase 2 study tests a topical cream (HT-001) to treat skin rashes caused by EGFR inhibitors. It aims to see whether the cream is safe and can reduce rash symptoms and discomfort.
Irvine, CaliforniaAges 18 years+ - NCT05638854RecruitingPhase 1
Test of ZB002 safety and dosing in rheumatoid arthritis
This early-phase study tests whether ZB002 is safe in people, and how the body handles the drug. It includes both healthy volunteers and people with rheumatoid arthritis (RA) to see if the drug has a predictable blood level pattern.
MelbourneAges 18–70 - NCT05641623RecruitingPhase 2
Study drug for depression that didn’t improve on common antidepressants
This Phase 2 trial tests OSU6162 added to an SSRI or SNRI in people whose major depression did not improve enough after trying specific antidepressants for at least 6 weeks. It may help reduce depression symptoms when standard treatments haven’t worked well.
Lund, Skåne CountyAges 25–65 - NCT05644301RecruitingPhase 3
Blood-marker guided add-on treatment for major depression
This study tests whether doctors can choose the best add-on immune-related treatment for people with major depressive disorder by using inflammation blood tests. It’s meant for people whose depression has not improved enough with their current antidepressant.
Duffel, AntwerpenAges 18–65 - NCT05644782Recruiting
Diet study for mild-to-moderate psoriasis in adults
This trial studies whether a dietary approach can help people with mild-to-moderate psoriasis. It may be especially focused on people who do not have signs of wheat/gluten-related immune reactions.
Palermo, PalermoAges 18–65 - 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 - NCT05650229RecruitingPhase 2
Study of KL1333 for adult mitochondrial disease fatigue and weakness
This Phase 2 trial studies whether KL1333 improves chronic fatigue and muscle weakness in adults with a confirmed mitochondrial genetic disease. You may be eligible if you have persistent fatigue for at least 3 months and signs of muscle involvement, and can safely follow study requirements.
Orange, CaliforniaAges 18 years+ - 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+ - NCT05669027Recruiting
Mobile brain training to help low back pain
This study tests whether mobile “neurofeedback” training can reduce low back pain and improve how much it affects your daily life. You would likely use sensors that measure brain and body signals to guide the training.
Durham, North CarolinaAges 18–90 - 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 - NCT05675930RecruitingPhase 2
Light therapy for mouth GVHD after a stem cell transplant
This Phase 2 study tests a special light treatment (photobiomodulation) to improve oral graft-versus-host disease (GVHD) after a stem cell transplant. It may help people whose mouth symptoms have not improved with at least one prior treatment.
Bethesda, MarylandAges 4 years+
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Common questions
- Are there clinical trials for placebo?
- Yes. Clin2 currently lists 5,245 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.