Clinical trials
Placebo - Control clinical trials
Below are recruiting placebo - control clinical trials, each written for real people, not researchers. We’re tracking 3,904 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06971224RecruitingPhase 2
Can a vitamin B3 supplement improve sleep?
This study tests whether a daily supplement called nicotinamide riboside (a form of vitamin B3) can improve sleep quality in healthy adults. If you are between 40 and 60 years old, have normal sleep, and are not taking sleep aids, you may be able to join.
BergenAges 40–60 - NCT06971354Recruiting
Treatment for rumination syndrome
This trial tests a treatment for rumination syndrome, a condition where food is brought back up from the stomach into the mouth. It may help if you have this syndrome and no other major medical issues.
BarcelonaAges 18–75 - NCT06967857RecruitingPhase 2
Dexamfetamine for adults with ADHD and depression
This trial tests a study medication (dexamfetamine) for adults who have both ADHD and moderate to severe depression. It aims to see if the medication is safe and helps improve both conditions.
BerlinAges 18–65 - NCT06966206RecruitingPhase 3
Study of Multiprofen-CC for hand arthritis pain
This trial tests a topical medication called Multiprofen-CC to reduce pain and improve hand function in people with hand arthritis. If you have hand osteoarthritis and it affects your daily life, you may be able to join.
Hamilton, OntarioAges 18 years+ - NCT06966245RecruitingPhase 3
Oil for severe breast pain in premenopausal women
This trial tests whether an oil applied to the breast can reduce severe breast pain in premenopausal women. If you have had breast pain for at least six months and it is not caused by the chest wall, this study may be a good fit.
GuangzhouAges 18–60 - NCT06969872Recruiting
Probiotics for Constipation Relief
This trial tests whether taking probiotics can help relieve constipation in adults. If you have chronic constipation but no serious health issues, you may be able to join.
Taichung, SouthAges 18–75 - NCT06969170RecruitingPhase 2
Psilocybin oral solution for generalized anxiety disorder trial
This study tests a psilocybin oral solution in adults with generalized anxiety disorder (GAD). It aims to see if the drug is safe, tolerable, and helpful for reducing anxiety symptoms.
Kingston, OntarioAges 18–60 - NCT06969287RecruitingPhase 3
Testing fluvoxamine to prevent confusion after surgery
This trial tests if a medication called fluvoxamine can help prevent delirium (sudden confusion and disorientation) after non-cardiac surgery. If you are having surgery that requires at least a 2-day hospital stay, this study may be for you.
St Louis, MissouriAges 60 years+ - NCT06965998RecruitingPhase 2/Phase 3
Comparing two doses of rivaroxaban for leg vein clots
This trial tests if a full dose of rivaroxaban (a blood thinner) works better than a lower preventive dose for treating a superficial vein clot in the leg. It aims to find the safest and most effective way to stop the clot from getting worse or causing a more serious clot.
Ottawa, OntarioAges 18 years+ - NCT06968559RecruitingPhase 3
Early steroid treatment for severe burns
This study tests whether giving a steroid called dexamethasone early after a severe burn can reduce serious complications and the risk of death. It is for adults on a breathing machine with large burns.
Chambray-lès-ToursAges 18–80 - NCT03885245RecruitingPhase 2
L-citrulline supplement for overweight adults with later-onset asthma
This Phase 2 trial tests whether adding L-citrulline can improve asthma control in overweight adults whose asthma started later in life. It compares your asthma symptoms and lung testing results to see if the supplement helps when asthma is already being treated.
Durham, North CarolinaAges 18–65 - NCT02811510RecruitingPhase 1
Study of THC effects on people with past cannabis use
This Phase 1 study tests how THC (the main active ingredient in cannabis) affects healthy adults, and whether effects differ by gender. It’s designed to learn about short-term body and brain responses to THC.
West Haven, ConnecticutAges 18–55 - NCT03762395RecruitingPhase 2
Study of anti-inflammatory asthma molecules in adults
This Phase 2 study tests anti-inflammatory lipid mediators in people with asthma. You may be eligible if your asthma is not well controlled despite regular inhaler use and you meet the specific lung function and health criteria.
Aurora, ColoradoAges 18–65 - NCT06346093Recruiting
Fecal transplant for advanced stomach cancer
This trial tests whether a fecal transplant (a stool donation from a healthy person) can help patients with advanced stomach cancer respond better to treatment. If you qualify, you would receive the transplant through a colonoscopy, possibly along with other standard therapies.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT06959251Recruiting
Glycine and magnesium with thiamine for primary ciliary dyskinesia
This trial tests whether a combination of glycine, magnesium, and thiamine can help people with primary ciliary dyskinesia (a condition that affects the tiny hairs in your lungs). It aims to see if these supplements improve breathing and reduce lung problems.
Mexico CityAges 5 years+ - NCT06952803RecruitingPhase 3
Testing a new drug for men with BRCA-related prostate cancer
This trial tests whether adding a new drug (saruparib) to standard radiation and hormone therapy can help prevent prostate cancer from spreading to other parts of the body. It is for men with high-risk prostate cancer that has a BRCA gene mutation.
Phoenix, ArizonaAges 18 years+ - NCT06961214RecruitingPhase 3
Depemokimab for COPD with type 2 inflammation
This study tests a new biologic medicine, given as an injection, to see if it can reduce flare-ups in adults with COPD who have a certain type of inflammation. It may help people who still have frequent exacerbations despite using their current inhalers.
Sheffield, AlabamaAges 40–80 - NCT06953869RecruitingPhase 3
Testing a sleep medicine for children with insomnia
This study tests if the drug tasimelteon helps children with insomnia sleep better compared to a placebo (a pill with no medicine). It is for children aged 2 to 17 who have been diagnosed with insomnia that is not caused by another medicine.
Dothan, AlabamaAges 2–17 - NCT06955416RecruitingPhase 2/Phase 3
REAMBERIN for rehydration in diabetic ketoacidosis
This trial tests a solution called REAMBERIN to help rehydrate people with diabetic ketoacidosis (DKA). If you are 18–75 and have DKA with very high blood sugar and acidic blood, you may be able to join.
ArkhangelskAges 18–75 - NCT06960213RecruitingPhase 3
Study of ADX-324 for preventing HAE attacks
This study tests a new medicine called ADX-324 to see if it can prevent HAE attacks in adults with type I or II HAE. If you've had attacks recently and are willing to pause your current prevention medication, this trial may be an option.
Litchfield Park, ArizonaAges 18 years+ - NCT06961968RecruitingPhase 3
Schizophrenia medication withdrawal study
This study tests whether patients with schizophrenia can safely stop or reduce their current medication without worsening symptoms. It is designed for people who need ongoing psychiatric care.
Rogers, ArkansasAges 18–65 - NCT06953999RecruitingPhase 3
Testing immunotherapy plus chemo for metastatic pancreatic cancer
This trial tests a new immunotherapy drug called ivonescimab combined with chemotherapy, with or without another experimental drug (AK117), for people with pancreatic cancer that has spread. The goal is to see if adding these therapies can help shrink tumors or slow the cancer's growth.
Harbin, HeilongjiangAges 18–75 - NCT06959095RecruitingPhase 3
Depemokimab for adults with COPD and type 2 inflammation
This trial tests a new biologic medicine called depemokimab, given as an injection, to see if it reduces flare-ups (exacerbations) in people with COPD who have a specific type of inflammation (high eosinophils). It may help if you have frequent flare-ups despite using your regular inhalers.
Bakersfield, CaliforniaAges 40–80 - NCT06961136Recruiting
Herbal medicine for recovery after heart bypass surgery
This trial tests if a traditional Chinese herbal formula (Fuzheng Yangxin Prescription) can help people recover faster after coronary artery bypass surgery. It is for people who have a specific pattern of symptoms (called Qi-Yin deficiency) after their operation.
Beijing, Beijing MunicipalityAges 25–85
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 3,904 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.