Seasonal allergic rhinitis

Researchers want to see whether facial photographs can show how well a fluticasone propionate nasal spray eases facial allergy symptoms. The study enrolls 16 adults with moderate to severe seasonal allergic rhinitis. Participants use the nasal spray and have their faces photograp…

This phase 2 trial tests the safety of stapokibart injection in 15 teenagers aged 12-17 with seasonal allergic rhinitis (hay fever). Participants receive the drug alongside their usual allergy treatments. The study focuses on side effects and how the body processes the drug, not …

This study tests a new nasal spray called PL-14 Allergy Blocker in about 120 adults with seasonal allergies. Unlike regular allergy sprays, PL-14 is drug-free and works by forming a gel-like barrier in the nose to block allergens. The study compares it to a simple saline spray ov…

This study will test the safety of a new biologic drug called stapokibart, given as a shot, in 400 adults with seasonal allergic rhinitis (SAR). Participants are already prescribed the drug by their doctor. The main goal is to track any side effects. This is an open-label study, …

This study tests a new medicine called AK139 for people with moderate to severe seasonal allergic rhinitis (hay fever). About 111 adults aged 18-65 with at least a 2-year history of seasonal allergies will receive either AK139 or a placebo. The main goal is to see if AK139 reduce…

This study tests an injection called GR1802, given alongside usual allergy treatments, to see if it can better control symptoms like sneezing, runny nose, and itchy eyes in people with seasonal allergic rhinitis (hay fever). About 144 adults who have had poor symptom control with…

Researchers at Queen's University are testing a method to safely trigger eye allergies in a research setting. They will apply timothy grass extract to the eyes of allergic and non-allergic volunteers, then measure symptoms and collect tear and nasal fluid samples. The goal is to …