Phase 3 Clinical Trial Approved for Essential Hypertension Drug HCP1803-4: Pipeline Value Boost Expected


  • Hanmi Pharm received MFDS approval for its Phase 3 clinical trial plan for HCP1803-4, an essential hypertension treatment. This is a follow-up approval to the disclosure made in February 2026.
  • The Phase 3 trial is a multicenter, randomized, double-blind study involving 256 patients across 23 domestic hospitals, with the primary endpoint being the change in mean sitting systolic blood pressure at week 10.
  • The trial aims to demonstrate non-inferiority and safety of HCP1803-4 compared to the control drug (RLD2001-2), with an estimated duration of approximately 2 years from approval.
  • Investment caution: The statistical probability of a drug candidate receiving final approval is only about 10%. Commercialization plans may change or be abandoned based on results, so investors should consider all related risks.
  • [AI Comprehensive Analysis]This Phase 3 approval is a positive signal, advancing Hanmi Pharm's hypertension pipeline. However, significant uncertainties remain regarding clinical success and regulatory approval, warranting a medium- to long-term monitoring approach rather than short-term price surge expectations.

KOSPI Filing Information


  • Filing: Major Management Matters Related to Investment Decision (Approval of Phase 3 Clinical Trial Plan for HCP18034 Development by MFDS)
  • Company: Hanmi Pharm (128940)
  • Submission: Hanmi Pharm. Co., Ltd.
  • Receipt: 05-29-2026
  • Under KRX KOSPI Market Division