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
- NCT05858437Recruiting
Testing propionic acid to improve immune function in children with kidney failure
This study tests whether propionic acid can help the immune system work differently in children with advanced chronic kidney disease who receive regular dialysis. It may help regulate immune cells, aiming for better immune function while keeping you medically stable.
BerlinAges 12–20 - NCT06389201Recruiting
Hydroxychloroquine before radiation and chemo for NPC
This trial tests whether taking hydroxychloroquine (HCQ) before standard radiation and chemo can help treat advanced nasopharyngeal cancer. It is for patients who have not yet started any cancer therapy.
Nantong, JiangsuAges 20–70 - NCT06833554Recruiting
Breast milk cells and infant health in mothers with metabolic conditions
This trial studies how special cells in breast milk from mothers with metabolic diseases (like obesity or diabetes) affect infant development and lung infection response after a nutritional intervention. It aims to understand if improving mother's diet can strengthen baby's immune system.
Málaga, MalagaAges 18–50 - NCT04637620RecruitingPhase 2
NMDA-based treatment study for major depression
This Phase 2 trial tests whether an NMDA-targeted treatment can improve symptoms of major depressive disorder (MDD). You may be able to join if your depression diagnosis and symptom score fit, and you meet several safety and study-following requirements.
TaichungAges 18–55 - NCT04959201RecruitingPhase 2
NMDA and antioxidant add-on to treat schizophrenia symptoms
This Phase 2 trial tests whether adding an “NMDA-enhancing” treatment plus an antioxidant can improve ongoing schizophrenia symptoms over 12 weeks. It’s meant for people who still have symptoms even though their usual antipsychotic dose has been stable for at least 3 months.
TaichungAges 18–65 - NCT04917302RecruitingPhase 2
NMDA and anti-inflammatory add-on for treatment-resistant schizophrenia
This trial tests whether combining an NMDA “signal-supporting” treatment with an anti-inflammatory medicine can reduce symptoms in people with schizophrenia who don’t respond well to usual antipsychotic drugs. If you’ve tried at least two antipsychotics and you’re still symptomatic, this study may be worth screening for.
TaichungAges 18–65 - NCT05136755RecruitingPhase 2
NMDA treatment for depression that did not improve
This trial studies an NMDA-based treatment for people with major depressive disorder who did not respond to at least one antidepressant. It may help by changing brain signaling linked to depression symptoms.
TaichungAges 18–65 - NCT06021197RecruitingPhase 2
NMDA-enhancing treatment for cognitive symptoms in schizophrenia
This study tests a new treatment that may help with thinking and memory problems in people with schizophrenia. It is for people whose schizophrenia symptoms are stable and who are already on a steady medication.
TaichungAges 18–65 - NCT05977023RecruitingPhase 2
NMDA-targeted medicine to treat bipolar I depression
This Phase 2 study tests a medication that works on NMDA receptors to improve depression symptoms in people with bipolar I disorder. It may help if you’re currently in a bipolar depression episode and other mood treatments haven’t fully controlled it.
TaichungAges 18–65 - NCT06327295RecruitingPhase 2
Testing a new treatment for mild to moderate toenail fungus
This trial tests an investigational medication called ATB1651 for people with toenail fungus (onychomycosis). If you have a fungal infection covering 20% to 60% of one or both big toenails and are in generally good health, you may be able to join.
ChristchurchAges 18–70 - NCT06294990RecruitingPhase 4
Testosterone treatment for boys with Klinefelter syndrome in puberty
This trial tests if starting testosterone treatment during puberty (ages 10-14) helps boys with Klinefelter syndrome. It aims to understand how the hormone affects development and well-being.
CopenhagenAges 10–14 - NCT06387147RecruitingPhase 3
Oral antibiotics for acute mesenteric ischemia
This trial tests whether taking oral antibiotics (gentamicin and metronidazole) can treat acute mesenteric ischemia caused by an artery blockage, instead of using IV antibiotics. It's for people who don't need emergency surgery and don't have a serious infection.
Clichy, FranceAges 18–90 - NCT06696794RecruitingPhase 3
Testing mitomycin before surgery for high-risk bladder cancer
This trial tests whether giving mitomycin directly into the bladder before surgery can help people with high-risk non-muscle-invasive bladder cancer. The goal is to see if this approach is safe and effective at preventing cancer from coming back.
Wuhan, HubeiAges 18–75 - NCT06833749RecruitingPhase 2
Testing KBP-336 for knee osteoarthritis with obesity
This study tests an experimental medicine called KBP-336 for people with both obesity and knee osteoarthritis who still have significant knee pain despite standard treatments. It aims to see if KBP-336 can reduce pain and improve function.
BrnoAges 45 years+ - NCT07381374Recruiting
Fecal transplant for children with autism
This trial tests whether fecal microbiota transplantation can help children with moderate-to-severe autism. It involves giving healthy donor bacteria to improve gut health and possibly autism symptoms.
Shenzhen, GuangdongAges 3–16 - NCT07382167RecruitingPhase 3
Study of Tenapanor for Chronic Constipation in Adults
This study tests an investigational drug called tenapanor for people with chronic idiopathic constipation (constipation with no clear cause). It aims to see if the drug can safely improve bowel movements in adults.
Foley, AlabamaAges 18–80 - NCT07380412Recruiting
Supplement study for ADHD med side effects
This trial tests if a dietary supplement can help reduce common side effects of stimulant medications for ADHD, like trouble sleeping or feeling irritable. If you take a stable dose of ADHD medication and are dealing with these issues, you may be able to join.
Las Vegas, NevadaAges 18–55 - NCT07388576Recruiting
AP-Brain supplement for attention in healthy young adults
This trial tests a supplement called AP-Brain to see if it helps with attention and focus in healthy young adults (ages 18–39) who feel they have attention problems. It compares different doses to find the safest and most effective one.
London, OntarioAges 18–39 - NCT07389044RecruitingPhase 1
Testing a new treatment for chronic hepatitis B
This trial tests an investigational drug called IB-001 to see how well it works and how safe it is. It is for healthy volunteers and people with chronic hepatitis B. The goal is to find the best dose and understand side effects.
Hong KongAges 18–70 - NCT07388043Recruiting
AP-Brain for memory in older adults with memory concerns
This trial tests a supplement called AP-Brain to see if it helps with memory and thinking in healthy middle-aged and older adults who notice memory problems. You would take different doses of the supplement or a placebo for several weeks and complete memory tests.
London, OntarioAges 40–79 - NCT07384975RecruitingPhase 2
New drug NAV-240 for hidradenitis suppurativa
This trial tests a new drug called NAV-240 for people with hidradenitis suppurativa (HS) who have not had success with antibiotics. The goal is to see if the drug can reduce the number of painful lumps and improve symptoms.
Phoenix, ArizonaAges 18–70 - NCT07387094RecruitingPhase 3
A study of XW003 for obesity with sleep apnea (no CPAP)
This trial tests an investigational weekly injection called XW003 for weight loss in people who have obesity and moderate-to-severe sleep apnea but do not use a CPAP machine. It aims to see if the drug can help with weight loss and improve sleep apnea without the need for a breathing machine.
Beijing, Beijing MunicipalityAges 18–75 - NCT07383974Recruiting
12-week study: how diet affects skin and health
This trial tests whether eating more fruits and vegetables for 12 weeks can improve your skin and how you feel physically. It uses a special light scanner to measure skin health.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT07387549RecruitingPhase 3
Elafibranor for primary sclerosing cholangitis
This study tests a new medication called elafibranor for adults with primary sclerosing cholangitis (PSC), a chronic liver disease. It aims to see if elafibranor can safely help improve liver health when compared to no treatment.
Chandler, ArizonaAges 18–75
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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.