Allergic Rhinitis Immunotherapy DF19001: Phase 2b/3 IND Submission for 336 Patients


  • Phase 2b/3 IND submission for allergic rhinitis immunotherapy DF19001, targeting 336 patients (3 arms, 112 per arm)
  • 52-week, multicenter, randomized, double-blind, placebo-controlled trial to evaluate efficacy and safety in house dust mite allergic rhinitis patients
  • Primary endpoint: average daily combined symptom-medication score for rhinitis; IDMC will perform interim analysis after 2b phase to recalculate Phase 3 sample size
  • Conducted at Severance Hospital, expected duration ~52 months from IRB approval; additional disclosure upon IND approval

KOSDAQ Filing Information


  • Filing: Major Management Matters Related to Investment Decision(Clinical Trial Plan Approval Application) (Application for Approval of Clinical Trial Plan (IND) for Allergy Rhinitis Immunotherapy DF19001 Phase 2b/3)
  • Company: Raphas (214260)
  • Submission: Raphas Co., Ltd.
  • Receipt: 05-22-2026
  • Under KRX KOSDAQ Market Division