Clinical trials
Effectiveness clinical trials
Below are recruiting effectiveness clinical trials, each written for real people, not researchers. We’re tracking 6,374 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 - NCT06972056RecruitingPhase 4
Comparing migraine prevention drugs: atogepant, propranolol, topiramate
This study compares three common migraine prevention medications to see which works best. You might be able to join if you have migraines at least 4 days a month and haven't taken these specific drugs before.
Flagstaff, ArizonaAges 18–70 - NCT06971367Recruiting
Study to encourage HIV retesting in Kenya and Uganda
This study is testing different ways to encourage people who are at higher risk for HIV to get retested regularly. If you are HIV-negative and get tested at a participating clinic, you may be eligible.
MbitaAges 15 years+ - NCT06968052Recruiting
Feldenkrais method for forward head posture
This study tests whether the Feldenkrais method (gentle movement lessons) can improve forward head posture in people who sit at a desk for long hours. You may join if you are 18–65, have forward head posture, and spend at least 4 hours daily at a desk.
Istanbul, BuyukcekmeceAges 18–65 - 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 - 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 - NCT04596592Recruiting
Puberty blockers and estradiol effects on heart health
This study looks at how puberty blockers and then estradiol (estrogen) may affect heart and metabolism health in teens. It may help doctors understand risks and benefits for transgender youth starting gender-affirming hormone care.
Aurora, ColoradoAges 13–16 - NCT06476015Recruiting
Exercise for chronic disease patients
This study looks at whether a physical exercise program can help people with long-term health conditions like COPD or diabetes. If you are 60 to 90 years old and already part of the 'Ser más' program, you may be able to join.
Medellín, AntioquiaAges 60–90 - NCT05976867Recruiting
Parent program to prevent child sexual abuse
This study tests whether a parent-focused program can prevent child sexual abuse by teaching parents skills to support their children. You may be able to help both the program work better and learn how well it can be used in real life.
New York, New YorkAges 15 years+ - NCT06959524Recruiting
Drug-coated balloon for new coronary blockages
This trial is testing a special balloon coated with medication to treat newly formed blockages in the heart's arteries. The medication may help keep the artery open after the balloon opens it during a standard procedure.
Jonesboro, ArkansasAges 18 years+ - 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 - NCT06959277Recruiting
Walkasins study for balance with peripheral neuropathy
This trial tests if a wearable device called Walkasins can improve balance and walking in people with peripheral neuropathy. It may help if you have trouble with balance and your foot size fits the device.
Mesa, ArizonaAges 55 years+ - NCT06298409RecruitingPhase 1
Rifaximin for SIBO: Gut Bacteria Study
This study tests how Rifaximin (a medicine for SIBO) affects the bacteria and other substances in your gut. You'll swallow a small capsule that collects samples as it travels through your digestive system, so researchers can see how your gut changes during treatment.
Mountain View, CaliforniaAges 18–80 - NCT06511830Recruiting
Comparing plaque detection methods for better dental care
This study compares different ways of checking dental plaque (the sticky film on teeth) to see which method works best. It may help you understand how to better care for your teeth and gums.
Lincoln, NebraskaAges 19–85 - NCT06955221Recruiting
Alcohol injection for ovarian endometriosis pain
This study tests if injecting alcohol into ovarian endometriosis cysts can reduce pelvic pain and improve quality of life. It may offer a less invasive option for women with persistent cysts.
Palma de Mallorca, Balearic IslandsAges 18–45 - NCT06956911Enrolling by invitation
Low-resistance exercise with blood flow restriction after heart surgery
This trial tests if gentle arm exercises with a special blood pressure cuff can help men recover their lung function after heart surgery. It may be an option for those who are stable and ready to follow simple instructions.
Cairo, Cairo GovernorateAges 45–60 - NCT06958666Recruiting
Comparing two breathing exercises for COPD symptoms
This study compares two breathing exercise methods (DITM vs IMT) for people with COPD to see which helps improve symptoms and quality of life better. It's for people who are already using a specific type of inhaler.
Hangzhou, ZhejiangAges 40 years+ - NCT06955962Enrolling by invitation
Mandala art therapy for multiple sclerosis symptoms and quality of life
This trial tests whether creating mandala art can help improve symptoms and quality of life for people with multiple sclerosis. You would participate in art sessions while continuing your regular MS care.
TrabzonAges 18–65 - NCT06957808Recruiting
Diroximel fumarate brain health study for schizophrenia
This trial tests if a drug called diroximel fumarate can help increase a natural antioxidant (glutathione) in the brain for people with schizophrenia. It aims to see if lowering inflammation and boosting brain protection might improve symptoms.
London, Greater LondonAges 18–65 - NCT06953700Enrolling by invitation
Hearing and age study for adults with normal or mild hearing loss
This study looks at how differences in hearing between your ears affect your ability to hear in noisy places. Researchers want to learn more across different ages.
College Park, MarylandAges 18–80 - NCT06959303Enrolling by invitation
Teach-Back Method in Angiography Study
This study tests whether a 'teach-back' method (where you repeat back what you learned) helps patients understand their care before and after angiography, a heart procedure. It aims to improve how well you know important health information.
MersinAges 18 years+ - NCT06960304Recruiting
Exercise program to help kidney patients' fistula work better
This trial tests if structured exercises can help the new blood vessel connection (AVF) in your arm mature properly for dialysis. It may improve your fistula's success and reduce complications.
Coimbra, Coimbra DistrictAges 18 years+ - NCT06953258Enrolling by invitation
Lengthening muscle exercises for older adults' function
This study tests whether a special type of exercise (eccentric training, which focuses on lengthening your muscles) can improve your ability to move and balance. It is designed for healthy older adults who are not already doing strength training.
NantesAges 60–80 - NCT06955975Recruiting
Pectin supplement for frailty in older adults
This study tests if daily pectin, a fiber found in fruits, can improve strength and health in older adults who are frail or pre-frail. It compares pectin to a placebo over time.
Nottingham, NottinghamAges 65 years+
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Common questions
- Are there clinical trials for effectiveness?
- Yes. Clin2 currently lists 6,374 recruiting effectiveness 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 effectiveness 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 effectiveness 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.