New nasal spray could bring relief to teens with chronic sinusitis
Symptom relief
Recruiting now
This study tests a nasal spray called OPN-375 in about 84 teenagers aged 12 to 17 who have chronic sinusitis without nasal polyps. The spray is given twice a day for 12 weeks to see if it reduces symptoms like stuffy nose, discharge, and facial pain. Half the participants get the…
Phase: PHASE3 • Sponsor: Optinose US Inc. • Aim: Symptom relief
Last updated May 17, 2026 15:16 UTC