HCB301
/ HanchorBio
- LARVOL DELTA
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November 05, 2025
HanchorBio Presents Preclinical Data on HCB301 at SITC 2025
(PRNewswire)
- "Strong immune activation: HCB301 induced robust antibody-dependent cellular phagocytosis (ADCP), activated tumor-associated macrophages, and increased CD8+ T cell infiltration. Synergistic antitumor efficacy: In CT26, MC38, and B16F10 models, HCB301 demonstrated superior tumor growth inhibition compared with single- or dual-arm comparators."
Preclinical • Oncology
October 03, 2025
HCB301: A Novel Tri-Specific Fc Fusion Protein Targeting PD-L1, CD47, and TGFβ Remodels the Tumor Microenvironment and Enhance Anti-Tumor Immunity
(SITC 2025)
- "In vivo efficacy was evaluated using NPG™ mice bearing FaDu (HNSCC)/human PBMC co-mixed xenografts, as well as hPD1/hPDL1/hCD47/hSIRPα transgenic BALB/c mice bearing 4T1-hPDL1/hCD47 tumors.Results HCB301 effectively blocked PD-L1 signaling at a level comparable to atezolizumab and suppressed TGF-β1 activity more potently than M7824, a clinically studied bifunctional fusion protein targeting PD-L1 and TGFβ.4 Importantly, HCB301 induced robust phagocytosis of PD-L1-high, CD47-positive cancer cells by human MDMs while showing no off-target phagocytosis of red blood cells. This contrasts with magrolimab analogs and suggests a favorable hematologic safety profile, mitigating concerns observed with some CD47-targeting agents.5 In vivo, HCB301 elicited robust anti-tumor activity, equivalent to a triple-agent combination targeting PD-L1, CD47, and TGF-β individually, in both FaDu and 4T1 tumor models.Conclusions HCB301 represents a novel therapeutic approach that simultaneously..."
Biomarker • IO biomarker • Trispecific • Tumor microenvironment • Head and Neck Cancer • Oncology • Solid Tumor • Squamous Cell Carcinoma of Head and Neck • SIRPA • TGFB1
October 20, 2025
HanchorBio Showcases Pipeline Momentum with…HCB301 Data Across…Major Oncology Meetings in Q4 2025
(PRNewswire)
- "HanchorBio...announced that...preclinical results from HCB301, its next-generation tri-specific checkpoint immunotherapy, will be presented at...major international oncology congresses in the fourth quarter of 2025. The upcoming presentations will showcase...preclinical data from HCB301, underscoring the company's innovation in advancing next-generation innate immune checkpoint therapies."
Preclinical • Solid Tumor
October 03, 2025
HanchorBio Announces Acceptance of HCB301 Abstract for Poster Presentation at SITC 2025 Annual Meeting
(PRNewswire)
- "The accepted abstract...will be presented on Saturday, November 8, 2025. The presentation will highlight preclinical efficacy and safety data supporting HCB301's potential as a first-in-class immune-enhancing biologic that targets key mechanisms of tumor immune evasion."
Preclinical • Oncology
April 08, 2025
An Engineered Sirpα Fused to Anti-Pd-L1 And Tgf-β Fusion Protein (HCB301) in Subjects With Selected Advanced Tumors
(clinicaltrials.gov)
- P1 | N=50 | Recruiting | Sponsor: FBD Biologics Limited | Not yet recruiting ➔ Recruiting
Enrollment open • Classical Hodgkin Lymphoma • Hematological Malignancies • Hodgkin Lymphoma • Lymphoma • Oncology • Solid Tumor
December 11, 2024
An Engineered Sirpα Fused to Anti-Pd-L1 and Tgf-β Fusion Protein (HCB301) in Subjects with Selected Advanced Tumors
(clinicaltrials.gov)
- P1 | N=50 | Not yet recruiting | Sponsor: FBD Biologics Limited | Initiation date: Sep 2024 ➔ Jan 2025
Metastases • Trial initiation date • Classical Hodgkin Lymphoma • Hematological Malignancies • Hodgkin Lymphoma • Lymphoma • Oncology • Solid Tumor • TGFB1
July 05, 2024
An Engineered Sirpα Fused to Anti-Pd-L1 And Tgf-β Fusion Protein (HCB301) in Subjects With Selected Advanced Tumors
(clinicaltrials.gov)
- P1 | N=50 | Not yet recruiting | Sponsor: FBD Biologics Limited
Metastases • New P1 trial • Hematological Malignancies • Hodgkin Lymphoma • Lymphoma • Oncology • Solid Tumor • TGFB1
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