Clinical trials
Health clinical trials
Below are recruiting health clinical trials, each written for real people, not researchers. We’re tracking 5,396 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04297020Recruiting
Checking brain health in breast cancer survivors
This study looks at differences in brain function in people who have had breast cancer, compared with certain people without that history. It’s testing how brain health changes after breast cancer and relates to mood, thinking, and daily functioning.
Los Angeles, CaliforniaAges 35–65 - NCT04321512Recruiting
Blood test study for people with heart or stroke problems
This study looks at a type of white blood cell (monocytes) in blood to understand differences in people with certain heart attacks, stable heart disease, or ischemic stroke. It may help researchers learn why these conditions happen and how the immune system may be involved.
Farmington, ConnecticutAges 18 years+ - NCT04284839RecruitingPhase 3
Blood thinner pills vs warfarin after heart surgery
This trial compares two ways to prevent blood clots after open heart surgery: a “direct oral” blood thinner pill versus warfarin (a vitamin K antagonist). It may help find the safest and most effective option for people who develop atrial fibrillation after surgery.
Fitzroy, VictoriaAges 18 years+ - NCT04354077Recruiting
Deep brain stimulation for opioid addiction
This study tests whether deep brain stimulation (DBS), a surgical treatment that uses electrical pulses to target specific brain areas, can help reduce cravings and relapse in people with opioid use disorder who haven't found relief from other treatments.
Pittsburgh, PennsylvaniaAges 22–65 - NCT04325958Recruiting
Test how cannabis affects driving in different age groups
This study looks at how smoked cannabis changes driving performance when compared across two age groups. It may help researchers understand safety risks and differences by age.
Toronto, OntarioAges 19–45 - NCT04270617Recruiting
Yoga practice for long-term back pain
This study looks at whether regular yoga helps people with chronic (long-lasting) back pain. If you can safely take part in yoga sessions and your pain has lasted at least 3 months, you may be able to enroll.
New York, New YorkAges 18 years+ - NCT04298255Recruiting
Testicular injection therapy for certain causes of male infertility
This trial studies a special lab procedure where selected immature sperm cells are injected to help infertile couples achieve pregnancy. It is designed for couples where the man has a specific type of sperm-making problem found during a testicular sperm extraction.
Winston-Salem, North CarolinaAges 18 years+ - NCT04375384RecruitingPhase 2
Cetuximab after immunotherapy for head and neck cancer
This trial studies whether giving cetuximab after prior immunotherapy can help people with head and neck squamous cell cancer shrink tumors or slow their growth. You may be eligible if you’ve already had a PD-1–based immunotherapy treatment, and you meet health and safety requirements.
Winston-Salem, North CarolinaAges 18 years+ - NCT03963622Recruiting
Test of careful breathing support for severe lung distress
This study compares a more careful ventilation approach for people with severe lung breathing failure (ARDS). It aims to improve outcomes by using a specific strategy for how the ventilator controls breathing.
New York, New YorkAges 18 years+ - NCT04044820Recruiting
Help after outpatient hand and forearm surgery with opioid use
This study looks at how opioid (pain medicine) use should be managed after you go home following outpatient hand and forearm surgery. It may help you avoid using more opioid than needed while still controlling pain.
Toronto, OntarioAges 18 years+ - NCT04160533Recruiting
Registry for people diagnosed with high blood pressure
This registry collects information from people who have been diagnosed with high blood pressure. It may help researchers better understand who has it and how it’s managed in real life.
Moscow, Moscow OblastAges 18–99 - NCT04237701Recruiting
Tracking heart failure in real time at Yale
This trial looks at how people with heart failure are doing using real-time monitoring across the Yale New Haven Health System. It may help improve care by spotting problems sooner and tracking treatment effects.
New Haven, ConnecticutAges 18 years+ - NCT04236726Recruiting
Quality of life study for people with chronic breathing failure
This study looks at how chronic respiratory failure affects day-to-day quality of life. It enrolls people who use breathing support at home or in care, and may help clinicians understand what support works best for patients’ daily living.
LondonAges 18 years+ - NCT04195503Enrolling by invitation
Liver transplant for stable advanced bile duct cancer
This trial looks at liver transplant for people with advanced intrahepatic cholangiocarcinoma (a bile duct cancer inside the liver) when the cancer is not safely removable and stays controlled. It may help some patients live longer and with better quality of life by replacing the diseased liver—if strict safety and disease-stability requirements are met.
Toronto, OntarioAges 18 years+ - NCT04203303Recruiting
Study how your gut microbes affect health and disease
This study looks at how the bacteria (microbes) living in and on your body relate to health and disease. It may help researchers understand what changes in these microbes mean for future treatments.
Rochester, MinnesotaAges 18 years+ - NCT04170946RecruitingPhase 1
Talazoparib plus chest radiation after extensive small-cell lung cancer
This Phase 1 trial tests whether the medicine talazopib, given along with chest radiation, can better control extensive-stage small-cell lung cancer after initial chemotherapy. It is for people whose cancer has not worsened after finishing standard chemotherapy.
Toronto, OntarioAges 18 years+ - NCT04181138Recruiting
Study of childhood primary sclerosing cholangitis types
This study follows children and young adults with primary sclerosing cholangitis (PSC) to understand the condition and how it shows up on scans or biopsy. It may help doctors better recognize PSC and choose the best next steps for care.
Los Angeles, CaliforniaAges 2–25 - NCT04226898RecruitingPhase 2
Synbiotic supplement to lessen schizophrenia symptoms
This Phase 2 trial tests whether a “synbiotic” supplement (a mix of probiotics and prebiotics) can reduce symptoms of schizophrenia or schizoaffective disorder. It may help by targeting gut-related immune and inflammation pathways that could affect brain symptoms.
Batlimore, MarylandAges 18–65 - NCT04207931RecruitingPhase 4
Study of treatments for a specific scar-ring hair loss
This study looks at treatment results for central centrifugal cicatricial alopecia (CCCA), a type of hair loss that causes scarring and permanent hair loss. It will follow African-American women to see how well treatments work for different levels of severity.
Winston-Salem, North CarolinaAges 18–60 - NCT04253964RecruitingPhase 2
Chemotherapy plus immunotherapy for advanced lung cancer
This study tests a combination of chemotherapy and immunotherapy in people with advanced non-small cell lung cancer that has spread or cannot be removed with surgery. The goal is to see how well this treatment works in patients with different levels of daily activity.
Charlotte, North CarolinaAges 18 years+ - NCT04234971RecruitingPhase 4
Compare costs of bone grafting for cleft jaw repair
This study looks at whether alveolar bone graft surgery is cost-effective for people with cleft lip and palate. It may help clinics choose the most practical approach for the best outcomes while managing overall costs.
Houston, TexasAges 6–15 - NCT04249375Recruiting
Using genetic testing to choose safer medicines for kids
This study helps doctors use genetic (pharmacogenomic) testing to choose which medicines may work best and cause fewer side effects. You may join if your child’s doctor is considering certain common medicines, such as pain, antibiotic, or mental health medications.
Vancouver, British ColumbiaAges Any age - NCT04243720Recruiting
Study of immune resistance after immunotherapy
This trial studies why some solid cancers stop responding to immune-based drugs (like anti–PD-1/PD-L1) and what can be done next. You may be eligible if your cancer has progressed after immunotherapy and you can safely undergo a tumor needle biopsy.
Toronto, OntarioAges 18 years+ - NCT04159662Recruiting
Brain scans to study thinking in schizophrenia and depression
This study uses brain imaging to better understand how thinking works in people with schizophrenia or major depression. Your results may help researchers learn what brain patterns match different thinking and symptoms.
Ottawa, OntarioAges 18–60
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Common questions
- Are there clinical trials for health?
- Yes. Clin2 currently lists 5,396 recruiting health 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 health 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 health 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.