Can a Six-Dose drug stop grass pollen allergies in their tracks?
Symptom relief
Completed
Researchers are testing an experimental drug called IRL201104 in adults with seasonal allergic rhinitis triggered by grass pollen. Participants receive six intravenous doses over 10 weeks. The trial measures how the skin reacts to a controlled allergen challenge, comparing IRL201…
Phase 2 • Sponsor: Revolo Biotherapeutics • Aim: Symptom relief
Last updated Sep 22, 2026 01:00 UTC