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This study tests a new type of stem cell transplant for children with primary immune deficiencies or inherited metabolic disorders. The transplant uses stem cells from a half-matched family donor, which are specially processed to remove certain immune cells. The goal is to see if…

This study tests a bone marrow transplant from a family donor for children under 21 with severe non-cancer blood disorders like sickle cell disease, bone marrow failure, or immune problems. The goal is to see if the transplant can replace the diseased cells with healthy donor cel…

This study watches children and adults who are already taking or about to start Ilaris for hereditary periodic fever syndromes or systemic juvenile idiopathic arthritis. Researchers will track side effects and how well the drug controls symptoms over 16 weeks. No new medicine is …

This study looks at whether eating cottonseed oil just three times a week can help lower cholesterol and reduce heart disease risk. Researchers will give 75 overweight or at-risk adults meal replacement shakes with different amounts of cottonseed oil for 56 days. They will measur…

This program offers extra stem cells from a half-matched family donor to patients who are getting a cord blood transplant for serious blood cancers or immune disorders. The goal is to help the bone marrow recover more quickly while the cord blood cells take over permanently. It i…

This study tests a new skin test (C-TST) to find hidden tuberculosis (TB) infection in people with rheumatic diseases like rheumatoid arthritis who are about to start powerful medications called biologics. These drugs can reactivate dormant TB, so accurate screening is critical. …

This study is testing whether the shingles vaccine (RZV) works and is safe for adults with autoimmune rheumatic diseases like rheumatoid arthritis or lupus who are taking immune-suppressing drugs. Two hundred participants will receive two doses of the vaccine. Researchers will me…

This study looks at how well the shingles vaccine works in people with weakened immune systems, such as those with cancer or autoimmune diseases. Researchers will measure immune responses and track side effects in 300 adults. The goal is to see if the vaccine can effectively prev…

This study aims to better understand and treat people with certain inherited metabolic or genetic disorders. Researchers will use standard medical tests like blood work and imaging to diagnose and care for participants, who may also join other related studies. The goal is to expa…

This study looks at children with suspected or confirmed genetic and metabolic disorders to find new disease-causing gene mutations. Researchers will analyze blood samples for DNA and metabolites, and in some cases take a small skin sample. The goal is to better understand these …

This study will analyze DNA from up to 20,000 people, including those with immune disorders and their relatives, to find genetic variants linked to conditions like atopy, autoimmunity, and primary immunodeficiency. Researchers will also study how best to return genetic results to…

This study aims to learn more about how diseases related to blood clots, the immune system, and blood vessels start and change over time. Researchers will enroll up to 1,000 people aged 5 and older, including those with these conditions, their healthy relatives, and healthy volun…

This study aims to learn more about the genetics and natural history of autoinflammatory diseases, which cause repeated fevers and inflammation. Researchers will study up to 5,000 people, including patients, their relatives, and healthy volunteers. Participants provide blood and …

This study at Necker Hospital in Paris is checking how well patients with inherited metabolic diseases follow their daily oral medication routines. About 200 patients (children aged 7 and up, teens, and adults) will fill out a questionnaire during a regular visit. The goal is to …

This study aims to learn more about the causes of rheumatic diseases—conditions that cause joint pain, stiffness, and swelling—and why they often affect minority groups more severely. Researchers will observe up to 7,500 adults with known or suspected rheumatic disease, providing…

This study enrolls up to 15,000 children with known or suspected endocrine or metabolic disorders, along with their family members. Researchers will collect medical records, blood, saliva, and other samples to identify genetic changes linked to these conditions. The goal is to be…

This study is creating a large collection of blood, urine, stool, and heart tissue samples from 10,000 people with and without heart or metabolic conditions. The goal is to store these samples along with medical information to speed up future research into what causes these disea…

This study is collecting joint fluid and tissue samples from 50 adults with inflammatory or non-inflammatory bone and joint diseases. Researchers will use both standard and advanced lab techniques to find new biomarkers that could help diagnose rheumatic diseases more accurately …

This study looks for better ways to detect lung inflammation and infections early in people who have received a stem cell transplant from a donor. About 40 participants aged 5 to 70 will get regular lung scans, breathing tests, blood draws, and a procedure where a tube collects f…

This study follows 4,000 people with interstitial lung disease (including conditions like pulmonary fibrosis and sarcoidosis) to understand how the disease naturally changes over time. Researchers will collect medical data and blood samples, and compare them to a healthy control …

This study tests a new communication tool called 'Let's Get REAL' that helps children and teens (ages 8-17) and their families talk together about stem cell transplant or cellular therapy decisions. The goal is to see if the tool is easy to use and helpful for families. About 60 …

This study follows up to 5,000 people with autoinflammatory diseases (like NOMID, CANDLE, and juvenile dermatomyositis) and their healthy relatives. Researchers will collect medical history, blood samples, and imaging over 2-5 day visits to learn how these diseases work and find …

This study is looking at 50 children and adults with rare autoinflammatory diseases—conditions where the immune system causes inflammation without a clear reason. Researchers want to find what leads to a faster diagnosis, what factors are linked to these diseases, and which treat…

This study looks at young adults with chronic inflammatory rheumatic diseases who are moving from pediatric to adult healthcare. Researchers want to see if a structured program that includes education workshops and joint doctor visits helps patients manage their own care better. …

This study is testing a tool called B-COMPASS that uses a 22-question survey to predict whether people will follow their prescribed treatments. Researchers will enroll 3100 adults with cardiovascular, endocrine, immune, nerve, cancer, or rare diseases across Europe. The goal is t…

This study looks at DNA methylation patterns (chemical tags on DNA) in fetuses with rare genetic diseases. Researchers will analyze DNA from amniotic fluid and tissue samples to create reference signatures. The goal is to improve diagnosis of these conditions before birth. The st…

This study aims to create a large collection of blood samples and medical information from 800 people with autoimmune or inflammatory skin diseases. Researchers will use these samples to find new biomarkers and better understand what causes these conditions. The goal is to help d…

This study is looking for new genes and biological markers that cause systemic autoinflammatory diseases (SAIDs), a group of rare conditions that cause repeated fevers and inflammation. Researchers will analyze the DNA and blood of 300 patients to find disease-causing mutations a…

This study is creating a large registry of 800 people receiving biologic medications for immune conditions like autoimmune diseases and primary immune deficiencies. Researchers will collect blood samples and health data to better understand how these treatments work and who respo…

This study uses MRI scans to look for brain differences in people with metabolic diseases compared to healthy volunteers. Researchers will track changes over time and link them to body fat and other health measures. About 126 adults will take part at Ulm University Hospital. No d…

This study is developing a patient-reported outcome measure (PROM) to assess how steroids affect the quality of life of children and young people with rheumatic conditions. Researchers will hold focus groups and interviews with 70 participants and their families to create and tes…

This study looks at how often young children (ages 1 to 6) with inherited metabolic diseases develop eating disorders when they are on special diets. Researchers will use a feeding scale to measure eating problems in 200 children. The goal is to understand the link between these …

This study is an online survey for 1,000 adults diagnosed with a rheumatic or musculoskeletal disease living in a EULAR country. Participants will answer periodic questionnaires about their healthcare, social life, and work. The goal is to gather real-world data to help researche…

This observational study follows up to 20,000 children and young adults with pediatric-onset rheumatic diseases, such as juvenile idiopathic arthritis. Researchers collect data on treatments, safety, and long-term outcomes to better understand these conditions. The registry does …

The SMILE study is tracking 10,000 adults aged 18 and older to see how sarcopenia (age-related muscle loss) and metabolic diseases like diabetes influence overall health and lifespan. Researchers will collect data from medical records, tests, and surveys over time. This is an obs…

This study looks at how lipoproteins—tiny particles that carry cholesterol in the blood—work in healthy people and those with lipid disorders like high cholesterol. The goal is to understand how these particles affect heart and blood vessel health, especially when they don't func…

This study will examine chest CT scans from 500 adults with rheumatoid arthritis, connective tissue diseases, or idiopathic pulmonary fibrosis to better understand lung disease patterns. Researchers want to see which scan features are most common in rheumatoid arthritis-related i…

This study is testing whether using rapid genetic sequencing can help doctors diagnose and treat birth defects in newborns in intensive care. Researchers will enroll 2,000 babies and compare death rates, disability rates, and genetic findings. The goal is to see if personalized t…

This study looks at people with autoinflammatory diseases or AA amyloidosis who have genetic changes that are hard to interpret. Researchers want to understand if these changes actually cause the disease. The goal is to improve diagnosis and knowledge, not to test a new treatment…

This study follows 100 children under 18 who are already on a ketogenic diet for conditions like drug-resistant epilepsy, autism, chronic migraine, or brain tumors. Researchers want to see if the diet supports healthy growth, improves symptoms, and boosts quality of life. The die…