Allergic cutaneous vasculitis

This study tests a new drug, BBD-1, against standard steroids for IgA vasculitis, a disease that causes purple spots on the skin, joint pain, and can damage the kidneys. The trial will enroll 30 adults with confirmed IgA vasculitis. The goal is to see if BBD-1 can clear skin spot…

This study looks at the safety of a nasal spray called neffy compared to a standard epinephrine shot for treating allergic reactions. It involves 600 people aged 4 and older who have an allergic reaction during a food challenge or allergy shot session. The goal is to see if the s…

This study aims to collect blood, nasal fluid, skin cells, urine, and medical data from 10,000 people aged 3 to 100 with allergies, asthma, eczema, or sinus issues. Participants will have up to 3 years of follow-up visits and questionnaires. The goal is to create a large reposito…

Stanford University is recruiting 2,500 people with possible allergies to improve how allergies are diagnosed. Researchers will study skin test responses and look at genetic and immune system factors. This study does not test any new treatment, but aims to deepen knowledge of all…

This study is testing a new method to measure allergy-related substances (IgE) in blood and urine. Researchers want to see if this new technique works as well as current tests. About 1,376 children and adults with allergies will provide blood and urine samples during routine visi…

This study is following 670 adults with vasculitis, a rare blood vessel disease, for up to 5 years. Researchers will collect medical data and blood samples to see how the disease starts, how it is treated, and what long-term problems may arise. No new treatments are being tested—…