Clinical trials
Phenotype clinical trials
Below are recruiting phenotype clinical trials, each written for real people, not researchers. We’re tracking 315 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07085533Recruiting
A Study of Inherited Retinal Diseases
This study is looking at how inherited retinal diseases affect color vision over time. It may help researchers understand these conditions better and is a good fit for people with a known diagnosis who can describe what they see.
WuhanAges Any age - NCT07095426Recruiting
Fiber supplement study for gut and blood vessel health
This study tests whether taking a fiber supplement can improve gut health and blood vessel health in people with obesity. It may help you understand how your body responds to extra fiber.
Muncie, IndianaAges 18–55 - NCT07097714Recruiting
Collagen scaffold with gum surgery to improve orthodontic results
This trial tests if a special collagen scaffold placed during gum surgery can improve orthodontic treatment for people with thin gums. It may help protect the gums and bone during teeth straightening.
Novosibirsk, Novosibirsk OblastAges 18–50 - NCT07102823Recruiting
A registry study of lung blood vessel health in COPD
This study aims to better understand how COPD affects the blood vessels in your lungs by looking at measurements from a right heart catheterization. It may help doctors identify a specific pattern of lung and heart problems in people with COPD.
GrazAges 18 years+ - NCT07104019Recruiting
Biofiller for Thinning Gums: A Gum-Thickening Study
This study tests a biofiller to make thin gums thicker in the lower front teeth area. It may help people with thin gums who want to improve their gum health and appearance.
MalatyaAges 18–65 - NCT07111793Recruiting
Study of severe bacterial infections in children
This study looks at children who had a severe bacterial infection in the past to understand why some get very sick. It may help find better ways to prevent or treat these infections in the future.
Nantes, Loire AtlantiqueAges Any age - NCT07131605Recruiting
How weight-loss surgery affects heart health and inflammation
This study looks at how weight-loss surgery affects heart health by checking markers of inflammation in the blood and how blood vessels work. It may help understand why surgery lowers heart risk for people with obesity.
Cotignola, RavennaAges 18 years+ - NCT07187843Recruiting
Parkinson's type study: brain-first vs body-first
This study looks at how Parkinson's disease affects thinking, movement, and brain health differently depending on whether it starts in the brain or the body first. Participants will have tests and scans to track these differences over time.
Reggio EmiliaAges 18 years+ - NCT07189806Recruiting
Asthma study tracking symptoms over 5 years
This study follows adults with mild, moderate, or severe asthma to better understand the condition. You'll attend regular check-ups at the clinic to monitor your lung function and symptoms over five years.
LondonAges 18 years+ - NCT07190209RecruitingPhase 3
Testing lunsekimig for COPD with frequent flare-ups
This trial tests a new medicine called lunsekimig for people with COPD that still causes flare-ups despite standard treatment. It focuses on people with higher blood eosinophils (a type of white blood cell). If you smoke or used to smoke and have had at least 2 moderate or 1 severe flare-up in the past year, this study may be an option.
Chandler, ArizonaAges 40–80 - NCT07190222RecruitingPhase 3
New medicine for COPD with frequent flare-ups
This study tests a new medicine called Lunsekimig for people with COPD that has frequent flare-ups and high eosinophil levels (a sign of inflammation). It aims to see if it can help control symptoms better than a placebo (a dummy treatment).
Birmingham, AlabamaAges 40–80 - NCT07204418RecruitingPhase 1
Study of KarXT effects based on CYP2D6 metabolism types
This study tests how the drug KarXT is processed in the body based on your CYP2D6 metabolism type. It helps researchers understand if different metabolizer types affect how the drug works and is cleared.
Anaheim, CaliforniaAges 18–65 - NCT07205172Recruiting
Gum looks and teeth crowding in children
This study looks at how the appearance of the gums relates to crowding of teeth in children. It will examine kids in different stages of tooth development to see if there is a link.
RomaAges 5–16 - NCT07206095Recruiting
Better diagnosis for inherited red blood cell diseases
This trial aims to improve how doctors diagnose rare inherited anemias, including sickle cell disease and other conditions that destroy red blood cells. It may help if you have a confirmed or suspected diagnosis but need more clarity through advanced testing.
Barcelona, BarcelonaAges Any age - NCT07220343Recruiting
Using phones and watches to check on teens and young adults with cancer
This study uses your smartphone and a smartwatch to track your daily activity and mood, helping researchers learn how to better support teens and young adults with cancer. It may help improve mental health care for people your age dealing with cancer.
Palo Alto, CaliforniaAges 10–25 - NCT07247344Recruiting
Depression in hospitalized teens: a brain study
This study looks at brain and behavior in teens aged 10–20 who are hospitalized for depression or bipolar disorder. It aims to better understand the condition and may help guide future treatments.
Nanjing, JiangsuAges 10–20 - NCT07251673Recruiting
Study of Dravet syndrome in children with SCN1A gene changes
This study follows children with Dravet syndrome caused by a specific SCN1A gene change to understand how the condition develops over time. It may help families know more about what to expect.
Paris, Ap-hp / DRCIAges 6 months–21 years - NCT07256210RecruitingPhase 2
Donor NK cells to prevent leukemia return after stem cell transplant
This trial tests whether giving donor natural killer (NK) cells after a stem cell transplant can help prevent leukemia from coming back. It is for people aged 14-25 with certain hard-to-treat leukemias who are already getting a stem cell transplant from a related donor.
MoscowAges 1 month–25 years - NCT07274631Recruiting
Study of inflammatory lung diseases
This study collects information from people with various inflammatory lung conditions, like asthma or COPD, to better understand them and improve treatment. Healthy volunteers are also needed for comparison.
ReimsAges 18 years+ - NCT07279558RecruitingPhase 2
CBD and Alcohol Use Study
This study tests whether cannabidiol (CBD), a compound from cannabis, can help people who drink alcohol regularly reduce their drinking or change their drinking patterns. You may be eligible if you're 21-65, have used CBD or cannabis before, drink alcohol regularly, and don't take certain medications that could interfere.
Aurora, ColoradoAges 21–65 - NCT07295782Recruiting
Blood clotting study for women after pelvic surgery
This study looks at how blood clots form in women who have had surgery for uterine prolapse or urine incontinence after medication didn't work. It may help doctors understand bleeding and clotting risks after these procedures.
Krakow, MałopolskaAges 18–70 - NCT07325864Recruiting
Studying lung cancer and its spread to find new treatments
This trial collects tissue samples from your lung tumor and any tumors that have spread to other parts of your body. They will study the genetic makeup of these samples to better understand lung cancer and improve future treatments.
MilanAges 18 years+ - NCT07329257Recruiting
Project PENGUIN: Study of rare brain development disorders
This study looks at rare and ultra-rare conditions that affect brain development. It aims to learn more about what causes these conditions. You may join if you or your child have a diagnosed or suspected neurogenetic disorder.
Columbia, MissouriAges Up to 99 years - NCT07339930Recruiting
Understanding PCOS types in women
This study looks at the different types of PCOS (polycystic ovary syndrome) in women who are seen at the Strasbourg University Hospital. It aims to better understand the condition and its features.
StrasbourgAges 18–49
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Common questions
- Are there clinical trials for phenotype?
- Yes. Clin2 currently lists 315 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.