Hansoh Pharmaceutical’s NDA for HS-10568 Calcium-Sensing Receptor Modulator Accepted by China’s NMPA for Secondary Hyperparathyroidism in Dialysis Patients

Hansoh Pharmaceutical Group Co., Ltd. (HKG: 3692) announced that China’s National Medical Products Administration (NMPA) has accepted its New Drug Application (NDA) for HS-10568 (SHR6508), a novel calcium-sensing receptor (CaSR) allosteric modulator, for the treatment of secondary hyperparathyroidism (SHPT) in adult patients with chronic kidney disease (CKD) undergoing hemodialysis.

Regulatory Milestone

ItemDetail
CompanyHansoh Pharmaceutical Group Co., Ltd. (HKG: 3692)
Drug CandidateHS-10568 (SHR6508)
Drug ClassCalcium-sensing receptor (CaSR) allosteric modulator
Regulatory AuthorityNational Medical Products Administration (NMPA), China
Application TypeNew Drug Application (NDA)
StatusAccepted for review
Target IndicationSecondary hyperparathyroidism (SHPT) in CKD patients on hemodialysis
Announcement Date11 Jun 2026

Drug Profile & Mechanism of Action

  • Molecule: HS-10568 (SHR6508) – CaSR allosteric modulator
  • Target: Calcium-sensing receptor (CaSR) on parathyroid gland cells
  • Mechanism: Enhances receptor sensitivity to extracellular calcium, leading to reduced parathyroid hormone (PTH) secretion
  • Therapeutic Rationale: Addresses the underlying pathophysiology of SHPT by restoring calcium-mediated feedback inhibition of PTH production
  • Development Stage: NDA submitted; Phase 3 clinical trials completed

Secondary hyperparathyroidism affects approximately 40-60% of dialysis patients in China, representing a significant unmet medical need. Current treatments include vitamin D analogs and calcimimetics, but many patients experience inadequate response or treatment-limiting side effects. HS-10568’s novel mechanism offers potential for improved efficacy and tolerability in this challenging patient population.

Market Opportunity & Commercial Outlook

  • Patient Population: Estimated 700,000+ hemodialysis patients in China with SHPT indication
  • Competitive Landscape: Competes against Amgen’s Sensipar/Mimpara (cinacalcet) and newer calcimimetics; first domestically developed CaSR modulator in China
  • Pricing Strategy: Expected premium pricing reflecting innovative status and improved therapeutic profile
  • Revenue Potential: Peak annual sales projected at RMB 800 million – 1.2 billion (USD 110-165 million) in China market
  • Global Expansion: Hansoh plans international development following Chinese approval, targeting markets in Southeast Asia and Latin America

The NDA acceptance represents a significant milestone for Hansoh’s specialty pharmaceutical strategy, demonstrating the company’s capability to develop innovative therapies for complex chronic conditions prevalent in China’s aging population.

Forward‑Looking Statements
This brief contains forward-looking statements regarding regulatory review timelines, market opportunities, and commercial projections. Actual outcomes may differ due to regulatory decisions, competitive dynamics, and market adoption factors.-Fineline Info & Tech