Polyarticular juvenile rheumatoid arthritis

This study tests whether a medicine called Panzyga can prevent major infections in people with autoimmune or rheumatic conditions who have low antibody levels after receiving B-cell depletion therapy. About 360 adults will receive either Panzyga or a placebo, and researchers will…

This early-phase study tests whether combining mesenchymal stem cells (MSCs) with specially engineered immune cells (CAR-T cells) is safe and can help control autoimmune diseases. About 30 adults with established autoimmune conditions will receive the treatment and be monitored f…

This study tests whether specially engineered immune cells, called CAR-T cells, can safely treat autoimmune diseases. The cells are designed to target and suppress B cells, which play a key role in many autoimmune conditions. The trial involves 30 adults and focuses on safety and…

This study is testing a new blood filter called the Plasma Filter PX2. It is used in a procedure called therapeutic plasma exchange, which removes harmful substances from the blood of people with autoimmune diseases. About 46 adults will take part, and the study will check if the…

This early-stage study tests a new mRNA-based treatment (ABO2203) for people with autoimmune diseases that haven't improved with standard care. The therapy works by directing the body's immune cells to attack and control overactive immune cells causing the disease. The study will…

This study compares two types of hip replacement materials in 100 adults aged 18 to 65 who need a total hip replacement. One group gets a ceramic-on-polyethylene implant where the polyethylene is infused with vitamin E to reduce wear. The other group gets a standard ceramic-on-ce…

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 tests whether sleeping near a special device that claims to emit 'biophotons' can reduce chronic severe arthritis pain. About 102 adults with long-term arthritis pain will use either the active device or a placebo (inactive) device for 12 weeks. Researchers will measur…

This study tests two ways to manage pain after hip replacement surgery. One group gets a nerve block plus a second nerve block; the other gets a nerve block plus wound numbing. The goal is to see which method reduces pain and the need for opioid painkillers. About 102 adults havi…

This study tests whether eating freeze-dried wild blueberry powder every day for 12 weeks can improve gut health, reduce inflammation, and ease joint pain in adults with arthritis. Fifty participants will take either the blueberry powder or a placebo, with a 2-week break between …

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 registry follows pregnant women who have taken mycophenolate, a drug used to prevent organ rejection and treat autoimmune diseases. Researchers will collect data on pregnancy complications and birth defects up to one year after birth. The goal is to better understand the dru…

This study is looking for the genes that cause certain immune system problems. Researchers want to understand why some people get sick and others don't, even in the same family. Up to 5,000 people with immune disorders and their relatives will give blood or cheek cell samples for…

This study will follow 200 people who have had a complex or revision hip replacement at University Hospitals Leuven. The goal is to track how many need another surgery and why, and to improve care by learning from real-world results. No new treatment is being tested—this is an ob…

This study is measuring a protein called STIM1 on the surface of immune cells in 670 people with various autoimmune diseases. The goal is to find which diseases have high levels of this protein, which could help researchers develop new antibody-based treatments. Participants prov…

This study looks at whether sulfasalazine, a drug for inflammatory arthritis, makes the standard diabetes blood test (HbA1c) falsely low. That could mean diabetes goes undiagnosed or is undertreated in these patients. Researchers will use continuous glucose monitors and fasting b…

This study is creating a large collection of joint fluid and blood samples from 500 people with different types of arthritis. Researchers will use these samples to test new biomarkers that could help diagnose arthritis earlier and monitor how the disease changes over time or with…

This study collects and freezes testicular tissue from boys and young men who are at risk of becoming infertile due to cancer, autoimmune disorders, or their treatments. The tissue is stored in a research bank, with the hope that future medical advances will allow it to be used t…

This study looks at 320 adults who are about to start strong immune-suppressing therapy and have already had at least two COVID-19 shots. Researchers want to find out if giving a COVID-19 booster right before starting therapy or waiting six months provides better protection. Part…

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 looks at how often people can return to sports at least three years after total knee replacement. It compares three different types of knee prostheses to see if one type leads to better sports participation. The study will include 660 adults who had their first knee re…