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SHR2554 + SHR1701
- Development stage
- Unknown
- Lead developer
- Hengrui Pharmaceutical
- Modality
- Fc-Fusion Proteins → Carrier/Scaffold Proteins → Recombinant Proteins and Enzymes, Small Molecules
- Administration
- Oral, Intravenous
01
Overview
SHR2554 + SHR1701 is an investigational combination therapy for cancer. It consists of two agents: - **SHR2554** is a small molecule inhibitor targeting enhancer of zeste homolog 2 (EZH2), an epigenetic regulator implicated in cancer progression. - **SHR1701** (also known as retlirafusp alfa) is a bifunctional recombinant fusion protein that targets programmed death ligand 1 (PD-L1) and acts as a trap for transforming growth factor beta receptor II (TGF-βRII). This dual action blocks immune checkpoint signaling and TGF-beta-mediated immunosuppression. The combination aims to enhance antitumor immunity by both reversing epigenetic silencing of tumor antigens and blocking key immunosuppressive pathways. It has shown encouraging safety and efficacy signals in early-phase clinical trials involving patients with advanced solid tumors and relapsed/refractory classical Hodgkin lymphoma who have received prior immunotherapy[1][2][5].
- Other names
- retlirafusp alfa + SHR2554
02
Targets
TGFBR2 (TGF-β receptor type 2)EZH2 (Histone-lysine N-methyltransferase EZH2)CD274 (Programmed cell death protein 1 ligand 1)
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