Clinical trials
Phenotype clinical trials
Below are recruiting phenotype clinical trials, each written for real people, not researchers. We’re tracking 312 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06977646Enrolling by invitation
Heart surgery for apical hypertrophic cardiomyopathy without valve pressure
This study looks at people who have had surgery to reshape the left side of the heart for a specific type of thickened heart muscle (apical hypertrophic cardiomyopathy). It helps doctors understand how well this surgery works in patients without a large pressure difference across the heart valve.
Moscow, MoscowAges 15 years+ - NCT06970028Recruiting
Sensation study in ADPKD patients
This study looks at how people with ADPKD (a kidney condition that causes cysts) sense touch and temperature on their skin. It will compare their results with those of healthy volunteers to better understand the condition and help future treatments.
LeuvenAges 12 years+ - 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 - NCT06946264RecruitingPhase 3
Treating Bronchiolitis: How Babies Respond to Breathing Medicine
This study looks at how children with bronchiolitis (a common lung infection in babies) respond to breathing treatments. It will also check if genes or other traits play a role. The goal is to better understand which treatments work best.
Orlando, FloridaAges 3 months–2 years - NCT06951893Recruiting
Predicting quality of life after weight-loss surgery
This study looks at whether certain traits before weight-loss surgery can predict how a person's quality of life will change afterward. It aims to find patterns that could help doctors and patients make better decisions about treatment.
Chambéry, SavoieAges 18 years+ - NCT06947967RecruitingPhase 3
Tucidinostat plus CHOP for newly diagnosed PTCL-TFH lymphoma
This trial tests a new drug (tucidinostat) added to standard chemotherapy (CHOP) for people newly diagnosed with a specific type of lymphoma called PTCL-TFH. It aims to see if the combination works better than standard treatment alone.
Guangzhou, GuangdongAges 18–80 - NCT06916481Recruiting
Pneumonia subtypes based on lung bacteria
This study looks at the germs in your lungs to understand why some people's pneumonia doesn't get better with standard antibiotics. If you are hospitalized with pneumonia and have just started treatment, you may be asked to provide a sputum sample so researchers can study your lung microbiome.
ClichyAges 18 years+ - NCT06892704Recruiting
Dupilumab smell restoration study for CRSwNP
This study tests if the medication dupilumab can improve smell loss in people with chronic sinusitis and nasal polyps. Researchers will check if blocking in the nose and electrical signals in the brain can predict who will benefit.
Chicago, IllinoisAges 18–65 - NCT06881368Recruiting
Understanding Susac syndrome in adults
This study looks at Susac syndrome, a rare condition that affects the brain, ears, and eyes. If you have hearing loss, vision problems, or confusion, researchers want to understand what causes it and how it affects people like you.
ParisAges 18 years+ - NCT06856226Recruiting
Drug metabolism study for stem cell transplant patients
This study looks at how your body processes medications after a stem cell transplant from a donor. It aims to find the best way to test your genes to improve future treatments.
Bethesda, MarylandAges 18–120 - NCT06855329Recruiting
Studying progressive lung scarring (non-IPF)
This study is for people with a specific type of lung scarring (not IPF) to understand how the disease progresses. Researchers will collect detailed health information, imaging, and blood samples to learn more about the condition.
Aurora, ColoradoAges 18–80 - NCT03231241Recruiting
Study of worsening headaches using scans and blood testing
This study looks at why headaches can become long-lasting (“chronified”) by combining answers from online questionnaires, brain imaging, and blood protein tests. Your participation may help researchers find biological clues that could improve how headache problems are understood and treated.
Stanford, CaliforniaAges 18 years+ - NCT06376448Recruiting
Chronic cough study using a new questionnaire
This study aims to better understand different types of chronic cough by using a new questionnaire. If you have had a cough for at least 8 weeks and do not smoke, you may be able to help.
Cottingham, East YorkshiureAges 18 years+ - NCT06724848Recruiting
Studying Biomarkers and COPD Types in Chinese People
This study looks at signs (biomarkers) and different types of COPD in Chinese people. It aims to better understand COPD and pre-COPD, which may help with future treatments.
BeijingAges 30 years+ - NCT06723938Recruiting
Understanding genetic causes of differences in sex development
This study looks at the genetic and physical traits of people with 46,XY DSD (differences in sex development). It aims to better understand the causes and improve care.
Bologna, BolognaAges Up to 18 years - NCT06723925Recruiting
Biotinidase deficiency newborn screening and follow-up study
This study looks at babies who had low biotinidase enzyme activity on their newborn screening test. It aims to understand the genetic cause and track their health over time. If your child had low activity on this test, this study may help provide important follow-up care.
Bologna, BolognaAges Up to 3 years - NCT06725173Recruiting
Retinoblastoma genetics and tumor spread study
This study looks at gene changes in retinoblastoma to understand why some tumors spread outside the eye. It may help find better ways to predict and treat the disease.
Seattle, WashingtonAges Any age - NCT06699979Recruiting
Early lung cancer study with multiple tumors or cysts
This study looks at the genes and molecules of early-stage lung cancer in two groups: people with more than one lung tumor at the same time, and people whose lung cancer is tied to air-filled spaces (cysts) seen on a CT scan. The goal is to better understand these types of lung cancer.
Changsha, HunanAges 18 years+ - NCT06695780Recruiting
Food habits and health in older adults
This study looks at the eating habits and overall health of older adults who live at home. You will do things like answer questions, take some samples (like blood) yourself, and use a video call — all from home.
Meylan, IsereAges 55–75 - NCT06682455Enrolling by invitation
Predicting AMD progression with advanced scans and AI
This study is looking at people with intermediate AMD who previously took part in the PINNACLE study. It will use advanced eye scans and machine learning to learn more about how AMD progresses and how to predict it.
ViennaAges Any age - NCT06291805Recruiting
Understanding wtATTR-CM heart disease (TRACE 1)
This study aims to better understand a type of heart disease called wild-type transthyretin amyloid cardiomyopathy (wtATTR-CM). It will compare people with this condition to a control group without known heart disease to identify key features.
Aarhus, Arrhus NAges 18 years+ - NCT06633575Recruiting
Exercise study for prediabetes in Han Chinese adults
This study looks at how an exercise program can improve prediabetes (a condition where blood sugar is higher than normal but not yet diabetes) in adults of Han Chinese descent. It aims to find the best types of exercise to help control blood sugar and prevent diabetes.
Shanghai, Shanghai MunicipalityAges 19–55 - NCT06628349Recruiting
Protein Study for Older Adults with COPD
This study looks at how two types of protein drinks (one from plants, one from whey/dairy) affect muscle and metabolism in older adults who have COPD. You'll lie in a bed for several hours while researchers measure your body's response to the protein. The goal is to find which protein might better help maintain muscle strength.
College Station, TexasAges 50–95 - NCT06585605Recruiting
Study of epilepsy and movement disorder genes in children
This study looks at children with epilepsy and movement disorders to better understand the genes involved. It aims to help doctors recognize and treat these conditions more effectively.
Boston, MassachusettsAges birth–18 years
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Common questions
- Are there clinical trials for phenotype?
- Yes. Clin2 currently lists 312 recruiting phenotype 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 phenotype 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 phenotype 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.