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DRUG CLASS:

SIRPA antagonist

8d
A Study of DS-1103a Combination Therapy in Participants With Advanced Solid Tumors (clinicaltrials.gov)
P1, N=108, Recruiting, Daiichi Sankyo | Active, not recruiting --> Recruiting
Enrollment open • First-in-human
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HER-2 (Human epidermal growth factor receptor 2)
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HER-2 mutation • HER-2 expression
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Herceptin (trastuzumab) • Enhertu (fam-trastuzumab deruxtecan-nxki) • DS-1103
14d
A Study of DS-1103a Combination Therapy in Participants With Advanced Solid Tumors (clinicaltrials.gov)
P1, N=108, Active, not recruiting, Daiichi Sankyo | N=78 --> 108 | Trial completion date: Jun 2026 --> May 2030 | Trial primary completion date: Jun 2026 --> May 2030
Enrollment change • Trial completion date • Trial primary completion date • First-in-human
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HER-2 (Human epidermal growth factor receptor 2)
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HER-2 mutation • HER-2 expression
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Herceptin (trastuzumab) • Enhertu (fam-trastuzumab deruxtecan-nxki) • DS-1103
23d
Trial primary completion date
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SIRPA (Signal Regulatory Protein Alpha)
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ezabenlimab (BI 754091) • BI 765063 • BI 770371
30d
Enrollment closed
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Keytruda (pembrolizumab) • Erbitux (cetuximab) • BI 770371
2ms
Enrollment closed
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Erbitux (cetuximab) • paclitaxel • docetaxel • capecitabine • ezabenlimab (BI 754091) • BI 765063 • BI 836880
2ms
Trial primary completion date
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Keytruda (pembrolizumab) • Erbitux (cetuximab) • BI 770371
3ms
LM-101, an anti-SIRPα antibody, in patients with relapsed/refractory lymphoma and advanced head and neck cancer: an open-label, multicenter, phase 1 trial. (PubMed, Clin Cancer Res)
LM-101 was well tolerated. The preliminary efficacy signal supports further evaluation of LM-101 plus rituximab in relapsed/refractory lymphoma.
P1 data • Journal
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SIRPA (Signal Regulatory Protein Alpha)
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Rituxan (rituximab) • Loqtorzi (toripalimab-tpzi) • LM-101
3ms
RRx-001 inhibits G6PD to deplete NADPH and trigger disulfidptosis coupled with DAMP-mediated immunogenic cell death in hepatocellular carcinoma. (PubMed, Cell Death Discov)
In vivo, RRx-001 significantly inhibits tumor growth, enhances T-cell infiltration, promotes M1 macrophage polarization, downregulates PD-L1 expression, and strengthens anti-tumor immunity through T cell-related pathways. With both metabolic and immunomodulatory effects, RRx-001 provides a basis for novel HCC therapies, and future research could explore its synergistic effects with immune checkpoint inhibitors.
Journal • PD(L)-1 Biomarker • IO biomarker
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CD8 (cluster of differentiation 8) • CD4 (CD4 Molecule) • HMGB1 (High Mobility Group Box 1) • G6PD (Glucose-6-Phosphate Dehydrogenase)
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PD-L1 expression
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nibrozetone (RRx-001)
4ms
Size-Transformable Supramolecular Nanoprodrugs Enable Redox Imbalance Amplification and Cholesterol Modulation to Boost Multidimensional Tumor Immunotherapy. (PubMed, Small)
Nanoprodrugs orchestrate a sophisticated cascade of immune activation through four synergistic mechanisms: 1) size-switchable disassembly upon glutathione/ cholesterol exposure for deep tumor penetration; 2) redox imbalance driven by reactive nitrogen species accumulation and glutathione depletion via the synergistic action of oxaliplatin, ferrocene, and RRx-001 for ferroptosis augmentation; 3) immunogenic cell death induction via ferroptosis-apoptosis to initiate tumor immunity cycle, promoting T cell infiltration; and 4) T cell function reinvigoration with the downregulation of programmed cell death protein 1 and T-cell immunoglobulin 3 expression through cholesterol depletion in TME. This integrated approach achieved primary and distant tumor growth suppression, established durable immune memory against recurrence, and systemically enhanced the antitumor immunity. By concurrently targeting tumor immunogenicity, TME immunosuppression, and T cell exhaustion, this multidimensional strategy represents a transformative advancement in cancer immunotherapy.
Journal • IO biomarker
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PD-1 (Programmed cell death 1)
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oxaliplatin • nibrozetone (RRx-001)
4ms
A multidimensional pan-cancer analysis of CD47 and its role in promoting malignant phenotype in pancreatic adenocarcinoma. (PubMed, Clin Transl Oncol)
In conclusion, this study systematically characterizes the clinical and immunological associations of CD47 across multiple cancers and highlights its potential role in pancreatic adenocarcinoma, supporting the further investigation of CD47 as a therapeutic target.
Journal • IO biomarker • Pan tumor
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CD47 (CD47 Molecule)
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nibrozetone (RRx-001)
5ms
Trial completion
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BI 770371
5ms
Enrollment closed
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SIRPA (Signal Regulatory Protein Alpha)
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ezabenlimab (BI 754091) • BI 765063 • BI 770371