Maastricht University Medical Center

This study is testing whether a supplement called pyridoxamine, a form of vitamin B6, can improve the health of small blood vessels in people with type 2 diabetes. Forty participants with existing diabetes-related eye, kidney, or nerve issues will take either pyridoxamine or a pl…

This study is testing a new device that combines a cochlear implant for hearing with a vestibular implant for balance. It aims to see if electrical stimulation can restore a sense of balance in 13 people with severe, untreatable inner ear damage that causes disabling dizziness, u…

This study is testing whether taking a daily aronia berry extract supplement for six weeks can help improve concentration, memory, and reduce eye strain. It involves 44 healthy adults aged 18-35. Participants will take the supplement or a placebo to see if it makes a measurable d…

This study looks back at the medical records of 3,500 people who had a mitral valve replaced between 2012 and 2021. The goal is to see if the type of problem with their original heart valve (whether it was too tight, leaky, or both) affects how quickly the new replacement valve w…

This study aims to understand how normal aging affects the way doctors measure disease activity, thinking skills, and physical ability in people with rheumatoid arthritis (RA). Researchers are comparing 420 RA patients with 420 people without RA, all aged 55-85, to create age-spe…