Clinical Research Directory

Inclusion Criteria: * Age between 18 and 65 years old * Chronic rhinitis symptoms for at least 6 months that have not responded effectively to medication (should include at least Intranasal corticosteroid (ICS) combined with intermittent use of oral antihistamine and, as needed, combination nasal spray) or where medication has not provided sustained improvement * Total rTNSS ≥ 4 with Moderate to severe rhinorrhea symptoms (24-hour reflective Total Nasal Symptom Score \[rTNSS\] rhinorrhea score of 1-3) and mild to severe nasal congestion symptoms (rTNSS nasal congestion score of 1-3) * All enrolled patients routinely undergo endonasal endoscopic examination, or have had a sinus CT within the past month confirming no significant rhinosinusitis." Exclusion Criteria: * Obstructive anatomical abnormalities limiting access to posterior nasal passages * Nasal anatomical changes due to previous sinus or nasal surgery or injury * Ongoing nasal or sinus infection * History of severe dry eye, chronic epistaxis, rhinitis medicamentosa, or head and neck radiotherapy * Self-reported history of bleeding tendency * Current use of anticoagulants with inability to discontinue * Previous chronic rhinitis surgery * History of poor wound healing after head, neck, or throat surgery * Pregnancy/lactation * Neuromuscular disease preventing supine positioning