ArticleThe New England journal of medicine2018
CD47 Blockade by Hu5F9-G4 and Rituximab in Non-Hodgkin's Lymphoma.
Article in The New England journal of medicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02953509 (A Phase 1b/2 Trial of Hu5F9-G4 in Combination With Rituximab or Rituximab + Chemotherapy in Patients With Relapsed/Refractory B-cell Non-Hodgkin's Lymphoma), which is not on this map. Cited by 743 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Phase 1b/2 Trial of Hu5F9-G4 in Combination With Rituximab or Rituximab + Chemotherapy in Patients With Relapsed/Refractory B-cell Non-Hodgkin's Lymphoma
Who cites it
743 citing papers in PubMed, 1 synthesis or guideline pooled it, 1,085 citations in OpenAlex.
- Clinical outcomes and safety of CD47-targeted immunotherapies across hematologic malignancies: a systematic review of monoclonal antibodies and fusion proteins in combination strategies.Clinical and experimental medicine · 2025Pooled it
- PRDM1+ Malignant Cells Mediate an Immunosuppressive Landscape and Resistance to Neoadjuvant Chemoradiotherapy and Immunotherapy in Esophageal Squamous Cell Carcinoma.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Trial
- Phase II Clinical Trial and Preclinical Evaluation of a Novel CD47 Blockade Combination in Refractory Microsatellite-Stable Metastatic Colorectal Cancer.Cancer research communications · 2025Trial
- Frontline acalabrutinib, lenalidomide and rituximab for advanced stage follicular lymphoma with high tumor burden: phase II trial.Nature communications · 2025Trial
- A Phase 1b/2 Study of the Anti-CD47 Antibody Magrolimab with Cetuximab in Patients with Colorectal Cancer and Other Solid Tumors.Targeted oncology · 2025Trial
- Safety and efficacy of amulirafusp alfa (IMM0306), a fusion protein of CD20 monoclonal antibody with the CD47 binding domain of SIRPα, in patients with relapsed or refractory B-cell non-Hodgkin lymphoma: a phase 1/2 study.Journal of hematology & oncology · 2024Trial
- Magrolimab plus rituximab in relapsed/refractory indolent non-Hodgkin lymphoma: 3-year follow-up of a phase 1/2 trial.Blood advances · 2024Trial
- Magrolimab plus rituximab with or without chemotherapy in patients with relapsed/refractory diffuse large B-cell lymphoma.Blood advances · 2024Trial
- Microbiota as a modulator of drug response: targeting microbial-drug crosstalk in cancer therapy.Gut microbes · 2026Review
- The Efferocytosis-Driven Macrophage Polarization: A Concerto in the Tumor Immunosuppressive Microenvironment.MedComm · 2026Review
- Serine protease inhibitor A3 is a soluble SIRPα ligand that suppresses inflammation and antitumor immunity.Nature immunology · 2026Article
- Combating CD24 to overcome CD19 CAR-T resistance via induction of innate and adaptive immunity in B-cell malignancies.Leukemia · 2026Article
- The immune phenotype of circulating tumor cells: from escape mechanisms to immunotherapy navigation.Biomarker research · 2026Review
- Antibody-lectin chimeras for glyco-immune checkpoint blockade.Nature biotechnology · 2026Article
- Recent advances in the regulation of CD47 by non-coding RNAs and its therapeutic potential in cancer.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026Review
- Chemoimmunotherapy-associated CD20 (HemaSphere · 2026Article
- Evorpacept plus trastuzumab, ramucirumab and paclitaxel in HER2-positive gastric cancer: a randomized phase 2 trial.Nature medicine · 2026Article
- Glioma microenvironment: Cellular crosstalk, immunosuppression, and novel therapeutic perspectives.Chinese medical journal · 2026Review
- NF-κB-driven immune checkpoint knockdown and cytokine expression in cancer cells for tumor immunotherapy.iScience · 2026Article
- Mechanisms of resistance to macrophage checkpoint inhibitors in B-cell non-Hodgkin lymphoma.British journal of haematology · 2026Article
683 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
21 authors at 11 institutions in 2 countries.
Funding
Abstract
backgroundThe Hu5F9-G4 (hereafter, 5F9) antibody is a macrophage immune checkpoint inhibitor blocking CD47 that induces tumor-cell phagocytosis. 5F9 synergizes with rituximab to eliminate B-cell non-Hodgkin's lymphoma cells by enhancing macrophage-mediated antibody-dependent cellular phagocytosis. This combination was evaluated clinically.
methodsWe conducted a phase 1b study involving patients with relapsed or refractory non-Hodgkin's lymphoma. Patients may have had diffuse large B-cell lymphoma (DLBCL) or follicular lymphoma. 5F9 (at a priming dose of 1 mg per kilogram of body weight, administered intravenously, with weekly maintenance doses of 10 to 30 mg per kilogram) was given with rituximab to determine safety and efficacy and to suggest a phase 2 dose.
resultsA total of 22 patients (15 with DLBCL and 7 with follicular lymphoma) were enrolled. Patients had received a median of 4 (range, 2 to 10) previous therapies, and 95% of the patients had disease that was refractory to rituximab. Adverse events were predominantly of grade 1 or 2. The most common adverse events were anemia and infusion-related reactions. Anemia (an expected on-target effect) was mitigated by the strategy of 5F9 prime and maintenance dosing. Dose-limiting side effects were rare. A selected phase 2 dose of 30 mg of 5F9 per kilogram led to an approximate 100% CD47-receptor occupancy on circulating white and red cells. A total of 50% of the patients had an objective (i.e., complete or partial) response, with 36% having a complete response. The rates of objective response and complete response were 40% and 33%, respectively, among patients with DLBCL and 71% and 43%, respectively, among those with follicular lymphoma. At a median follow-up of 6.2 months among patients with DLBCL and 8.1 months among those with follicular lymphoma, 91% of the responses were ongoing.
conclusionsThe macrophage checkpoint inhibitor 5F9 combined with rituximab showed promising activity in patients with aggressive and indolent lymphoma. No clinically significant safety events were observed in this initial study. (Funded by Forty Seven and the Leukemia and Lymphoma Society; ClinicalTrials.gov number, NCT02953509 .).
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.