New allergy blocker spray could offer Drug-Free relief
Symptom relief
Not yet recruiting
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…
Phase: NA • Sponsor: Polyrizon Ltd. • Aim: Symptom relief
Last updated Jun 27, 2026 12:33 UTC