This study tested whether long-term use of a special breathing filter (Provox Life HME) can improve lung symptoms like coughing and mucus in people who had their voice box removed (laryngectomy). Eighty adults who were at least 3 months past surgery took part. Results showed that…
Phase: NA • Sponsor: Atos Medical AB • Aim: Symptom relief
Last updated Jun 27, 2026 07:53 UTC