Leiden University Medical Center

This study tests if the drug belimumab can help find more compatible donor kidneys for highly sensitized patients waiting for a transplant. About 25 adults will receive a short course of belimumab to see if it improves detection of immune cells that react against donor kidneys. T…

This study tests whether a low-sodium version of the sleep drug oxybate (Xywav) can safely reduce the number of nighttime cluster headache attacks in people with chronic cluster headache. About 52 adults will take either the drug or a placebo twice nightly for 16 weeks. The main …

This study looks at how often people who have had a ruptured brain aneurysm also have an abdominal aortic aneurysm (a bulge in the main belly artery). About 233 adults who survived a brain aneurysm at least one year ago will get a painless belly ultrasound. The goal is to find ou…

This study looks at whether a new tool helps young adults (ages 18-30) with type 1 diabetes and their doctors work together better to make care plans that fit daily life. Researchers will compare usual doctor visits with visits using the tool, and interview participants afterward…