New nasal spray aims to ease sinus troubles in teens
Symptom relief
Recruiting now
This study tests whether a nasal spray called OPN-375 can reduce symptoms of chronic sinusitis (like stuffy nose, discharge, and facial pain) in adolescents aged 12 to 17. About 84 teens will receive either the spray or a placebo twice daily for 12 weeks. The main goal is to see …
Phase 3 • Sponsor: Optinose US Inc. • Aim: Symptom relief
Last updated Sep 20, 2026 00:00 UTC