CStone Pharmaceuticals

基石药业

2616.HKbiotechSuzhou
Trials 28
Subs 0
People 1
Links 2

Executive Summary

CStone is a Suzhou-based immuno-oncology biotech with a commercially approved PD-L1 inhibitor (sugemalimab) in China and proven ability to execute licensing deals with Big Pharma partners like Novartis. Founded in 2015 by Frank Jiang, the company appears well-positioned for out-licensing opportunities given their clinical development capabilities and regulatory success in China. BIOSECURE risk appears low given their clear status and focus on novel drug development rather than manufacturing services.

Structure: CStone is a Hong Kong-listed entity (2616.HK) likely structured through a Variable Interest Entity (VIE) arrangement typical for Chinese biotechs accessing international capital markets. The company appears to have a straightforward structure with headquarters in Suzhou and no complex subsidiary layers reported, which should facilitate due diligence processes.

Key People

NameTitleEducationFlags
Frank Jiang
江宁军
Chairman, CEO & FounderMD, Shanghai Medical University; MBA, China Europe International Business School

Ownership & Shareholder Structure

CStone Pharmaceuticals Pfizer

deal_partner

CStone-Pfizer sugemalimab collaboration for oncology in China.

Akeso CStone Pharmaceuticals

competitor

Both compete in PD-L1/immuno-oncology space in China.

Clinical Trials(28 total)

5

Phase 3

1

Phase 2

9

Phase 1

1

Other

4

Phase 1, Phase 2

NCT IDInterventionsPhaseStatusEnrollment
NCT05700448Sugemalimab, Placebo, Pegaspargase, Gemcitabine, OxaliplatinPh.3NOT YET RECRUITING150
NCT06741644CS2009, CS2009, Pemetrexed, Carboplatin, Paclitaxel, Etoposide, Nab-paclitaxel, Oxaliplatin, Capecitabine, Docetaxel, Leucovorin, 5-FU, Irinotecan, CisplatinPh.1, Ph.2RECRUITING660
NCT05381753Avapritinib, Tyrosine kinase inhibitors other than avapritinib ( imatinib, sunitinib, et al )COMPLETED61
NCT05297890LorlatinibPh.2ACTIVE NOT RECRUITING70
NCT05279300CS5001, Rituximab, Gemcitabine, Oxaliplatin, Lenalidomide, Cyclophosphamide, Doxorubicin, Vincristine, PrednisonePh.1RECRUITING480
NCT04421352CS1001Ph.1COMPLETED11
NCT04472858Donafenib, CS1001Ph.1UNKNOWN30
NCT04233060CS3005Ph.1COMPLETED9
NCT04162301CS3002Ph.1TERMINATED10
NCT04338724CS1002Ph.1COMPLETED6
NCT04187352CS1001+ Fluorouracil+Cisplatin, Placebo+ Fluorouracil+CisplatinPh.3COMPLETED540
NCT04194801Phase Ib: Fisogatinib (BLU-554) 400mg in combination with Sugemalimab (CS1001) 1200mg, Phase Ib: Fisogatinib (BLU-554) 600mg in combination with Sugemalimab (CS1001) 1200mg, Phase II: Fisogatinib (BLU-554) 600mg in combination with Sugemalimab (CS1001) 1200mgPh.1, Ph.2COMPLETED26
NCT04200404CS1001, RegorafenibPh.1, Ph.2COMPLETED19
NCT04194775Nofazinlimab (CS1003)+Lenvatinib, Nofazinlimab (CS1003) Placebo+LenvatinibPh.3ACTIVE NOT RECRUITING534
NCT04176393ivosidenibPh.1COMPLETED30
NCT04254939CS3007 (BLU-285)Ph.1, Ph.2COMPLETED65
NCT03802591CS1001 monoclonal antibody, CS1001 placebo, Oxaliplatin, CapecitabinePh.3COMPLETED479
NCT03789604CS1001 monoclonal antibody, CS1001 placeboPh.3ACTIVE NOT RECRUITING479
NCT03744403CS1001Ph.1COMPLETED24
NCT03809767CS1003 monoclonal antibodyPh.1COMPLETED107

Showing 20 of 28 trials

Drug Molecules (ChEMBL)

SUGEMALIMAB

Phase 4
AntibodyCHEMBL4594535Approved 2024

BIOSECURE Risk

low

Company has clear BIOSECURE status and operates as a drug developer rather than a manufacturing service provider, reducing typical regulatory exposure points

Key Exposures:

  • Potential future CDMO relationships for manufacturing
  • Data sharing arrangements with Chinese research institutions

Mitigation: No specific mitigation efforts reported, but clear BIOSECURE status suggests proactive compliance management

BD Intelligence

Pipeline Strength7/10
Deal Readiness8/10

Therapeutic Areas:

immuno-oncologyoncology

Recent Deals: Licensed canakinumab from Novartis for oncology applications in China, demonstrating active BD engagement and Big Pharma relationship management

Approach: Direct engagement with CEO Frank Jiang who appears to be the primary decision-maker; focus on out-licensing opportunities for global rights to sugemalimab or pipeline assets

Red Flags

  • Limited pipeline visibility beyond sugemalimab
  • No recent corporate events or news flow reported
  • Lack of subsidiary structure transparency

Quick Facts

Key People
1
Subsidiaries
0
CDMO/CRO Subs
0
Genomics Subs
0
Direct BIOSECURE
0
Corp Events
0
Gov-Connected
0
Clinical Trials
28
Publications
0
Drug Molecules
1
Relationships
2

Sources & Methodology

Clinical trials data: ClinicalTrials.gov API v2 (28 trials linked to this entity)

SEC BIOSECURE filings: EDGAR EFTS full-text search (850+ filings from 230 companies)

Publications: Europe PMC API (0 publications indexed)

Drug molecules: ChEMBL database (European Bioinformatics Institute)

Financial data: East Money (东方财富) datacenter API / CNINFO (巨潮资讯网)

Corporate structure: Company official filings, HKEX/SSE/SZSE disclosures

Executive profiles: Company official biographies, SEC filings, LinkedIn (where verified)

Data is collected from public sources and updated weekly. Corporate intelligence is verified by a native Mandarin-speaking analyst against Chinese-language primary sources including Tianyancha (天眼查), GSXT (国家企业信用信息公示系统), and CNINFO (巨潮资讯网). This is not financial or legal advice.