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Li Y, Huang K, Liu L, Qu Y, Huang Y, Wu Y, Wei J. Effects of complement and serum IgG on rituximab-dependent natural killer cell-mediated cytotoxicity against Raji cells. Oncol Lett 2018; 17:339-347. [PMID: 30655772 PMCID: PMC6313095 DOI: 10.3892/ol.2018.9630] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Accepted: 10/04/2018] [Indexed: 12/24/2022] Open
Abstract
Accumulating evidence indicates that the anti-CD20 monoclonal antibody rituximab significantly improves the clinical prognosis of patients with non-Hodgkin lymphoma and chronic lymphocytic leukemia. However, a number of patients relapse or fail to respond to rituximab. To further understand the cause of this, polymorphisms of FcγRIIIa were initially detected in healthy volunteers. Subsequently, the rituximab-dependent natural killer (NK) cell-mediated cytotoxicity of different FcγRIIIa genotypes was assessed by a cytotoxicity assay in vitro. Ultimately, the effect of human serum immunoglobulin (Ig) G and complement on rituximab-dependent NK cell-mediated cytotoxicity was evaluated in vitro. It was revealed that FcγRIIIa polymorphisms were associated with the antibody-dependent cell-mediated cytotoxicity (ADCC) of NK cells. In addition, the ADCC of NK cells with FcγRIIIa-158 V/V was increased compared with that of FcγRIIIa-158 V/F. The serum IgG and rituximab Fc segment was able to bind competitively with NK cell FcγRIIIa. It was observed that serum IgG inhibited, whereas complement enhanced rituximab-induced NK-cell mediated ADCC. Therefore, various agents administered synchronously with rituximab may modulate the efficacy of this agent and ultimately its toxicity against tumor cells.
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Affiliation(s)
- Yang Li
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, P.R. China.,Department of Pediatric Hematology/Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, P.R. China
| | - Ke Huang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, P.R. China.,Department of Pediatric Hematology/Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, P.R. China
| | - Ling Liu
- Department of Pediatric, Affiliatied Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524000, P.R. China
| | - Yuhua Qu
- Department of Pediatrics, Guang Zhou Women and Children's Medical Center, Guangzhou, Guangdong 510120, P.R. China
| | - Yan Huang
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, P.R. China.,Department of Pediatric Hematology/Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, P.R. China
| | - Yanfeng Wu
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, P.R. China.,Biotherapy Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, P.R. China
| | - Jing Wei
- Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, P.R. China.,Medical Research Center, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510120, P.R. China
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Abulayha A, Bredan A, El Enshasy H, Daniels I. Rituximab: modes of action, remaining dispute and future perspective. Future Oncol 2015; 10:2481-92. [PMID: 25525856 DOI: 10.2217/fon.14.146] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Less than two decades ago, immunotherapy joined chemotherapy and radiotherapy as an effective approach for the treatment of cancer. The anti-CD20 monoclonal antibody, rituximab, is now used to treat almost all types of non-Hodgkin's B-cell lymphomas, and it could be useful in the treatment of other diseases with B-cell involvement. Upon binding, rituximab induces death of the target cells. It seems to act not only by activating immune system defense mechanisms such as complement-dependent and antibody-dependent cellular cytotoxicity, but also by inducing direct cell death. In this paper, we review current knowledge on rituximab mechanisms of action, with particular attention to its direct effects, and also highlight potential future avenues of research.
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Affiliation(s)
- Abdulmunem Abulayha
- Cell Biology Research Group, Biotechnology Research Center, Twisha, Tripoli, Libya
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Martin P, Furman RR, Rutherford S, Ruan J, Ely S, Greenberg J, Coleman M, Goldsmith SJ, Leonard JP. Phase I study of the anti-CD74 monoclonal antibody milatuzumab (hLL1) in patients with previously treated B-cell lymphomas. Leuk Lymphoma 2015; 56:3065-70. [PMID: 25754579 DOI: 10.3109/10428194.2015.1028052] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Milatuzumab (hLL1), a humanized anti-CD74 monoclonal antibody, has activity in preclinical non-Hodgkin lymphoma (NHL) models. We conducted a phase 1 trial in previously treated B-cell malignancies. Dose escalation included four planned dose levels (1.5, 4, 6 and 8 mg/kg) with milatuzumab given twice weekly for 6 weeks. After dose level 1, the schedule was changed to daily (Monday-Friday) for 10 days. Twenty-two patients were treated. The most common possibly related toxicities were infusion reaction, anemia, lymphopenia, neutropenia and thrombocytopenia. Three patients experienced dose-limiting toxicity (neutropenia, neutropenia, rash) at dose levels 1, 2 and 4, respectively. Eight patients had stable disease, with no objective responses. The serum half-life of milatuzumab was ∼2 h. In seven patients, In-111 imaging showed no clear evidence of tumor targeting. The short half-life may reflect CD74 rapid internalization and presence on extratumoral tissues; this antigen sink must be overcome to capitalize on the promising preclinical activity of the drug.
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Affiliation(s)
- Peter Martin
- a Department of Medicine , Weill Cornell Medical College , New York , NY , USA
| | - Richard R Furman
- a Department of Medicine , Weill Cornell Medical College , New York , NY , USA
| | - Sarah Rutherford
- a Department of Medicine , Weill Cornell Medical College , New York , NY , USA
| | - Jia Ruan
- a Department of Medicine , Weill Cornell Medical College , New York , NY , USA
| | - Scott Ely
- b Pathology and Laboratory Medicine, Weill Cornell Medical College , New York , NY , USA
| | - June Greenberg
- a Department of Medicine , Weill Cornell Medical College , New York , NY , USA
| | - Morton Coleman
- a Department of Medicine , Weill Cornell Medical College , New York , NY , USA
| | - Stanley J Goldsmith
- c Department of Radiology , Weill Cornell Medical College , New York , NY , USA
| | - John P Leonard
- a Department of Medicine , Weill Cornell Medical College , New York , NY , USA
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4
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Schmidt E, Goebeler M. CD20-directed therapy in autoimmune diseases involving the skin: role of rituximab. ACTA ACUST UNITED AC 2014. [DOI: 10.1586/17469872.3.3.259] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Glycoengineered CD20 antibody obinutuzumab activates neutrophils and mediates phagocytosis through CD16B more efficiently than rituximab. Blood 2013; 122:3482-91. [PMID: 24106207 DOI: 10.1182/blood-2013-05-504043] [Citation(s) in RCA: 176] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Key Points
Phagocytosis of CLL targets by neutrophils is a novel mechanism of action of the glycoengineered anti-CD20 antibody obinutuzumab. This mechanism takes place in physiological conditions and requires CD16B and CD32A.
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Dynamics of B-Cell Populations in CSF and Blood in Patients Treated with a Combination of Rituximab and Mitoxantrone. ISRN NEUROLOGY 2013; 2013:748127. [PMID: 24109519 PMCID: PMC3784158 DOI: 10.1155/2013/748127] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Accepted: 08/09/2013] [Indexed: 11/17/2022]
Abstract
Background. Mitoxantrone (MTX) and Rituximab (RTX) are successfully used for treatment of multiple sclerosis (MS) and can be combined to increase efficacy. Objective. We used MTX, RTX, and methylprednisolone in a single combined regiment and observed patients prospectively. Methods. We present results of observational pilot study of combined therapy of RTX and MTX in 28 patients with active MS. Therapeutic protocol consisted of two infusions within 14 days. First infusion was 1000 mg methylprednisolone (MP) IV, 1000 mg RTX IV, and 20 mg MTX IV. On day 14, 1000 mg MP IV and 1000 mg RTX IV were given. Patients were followed prospectively from 12 to 48 months. Results and Conclusion. There were no relapses among all 28 patients during the observation period. B-cell depletion of CD19+ and CD19+/CD27+ memory B-cell subpopulation in both compartments was confirmed in all patients at 6 months. We found a more rapid reconstitution of B cells in the CSF than in the peripheral blood and longstanding depression of CD19+CD27+ memory B-cell. Conclusion. Effectiveness of combined regimen of RTX and MTX could be related to longstanding depletion of CD19+CD27+ memory B-cell subset.
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Maxwell SA, Mousavi-Fard S. Non-Hodgkin's B-cell lymphoma: advances in molecular strategies targeting drug resistance. Exp Biol Med (Maywood) 2013; 238:971-90. [PMID: 23986223 DOI: 10.1177/1535370213498985] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Non-Hodgkin's lymphoma (NHL) is a heterogeneous class of cancers displaying a diverse range of biological phenotypes, clinical behaviours and prognoses. Standard treatments for B-cell NHL are anthracycline-based combinatorial chemotherapy regimens composed of cyclophosphamide, doxorubicin, vincristine and prednisolone. Even though complete response rates of 40-50% with chemotherapy can be attained, a substantial proportion of patients relapse, resulting in 3-year overall survival rates of about 30%. Relapsed lymphomas are refractory to subsequent treatments with the initial chemotherapy regimen and can exhibit cross-resistance to a wide variety of anticancer drugs. The emergence of acquired chemoresistance thus poses a challenge in the clinic preventing the successful treatment and cure of disseminated B-cell lymphomas. Gene-expression analyses have increased our understanding of the molecular basis of chemotherapy resistance and identified rational targets for drug interventions to prevent and treat relapsed/refractory diffuse large B-cell lymphoma. Acquisition of drug resistance in lymphoma is in part driven by the inherent genetic heterogeneity and instability of the tumour cells. Due to the genetic heterogeneity of B-cell NHL, many different pathways leading to drug resistance have been identified. Successful treatment of chemoresistant NHL will thus require the rational design of combinatorial drugs targeting multiple pathways specific to different subtypes of B-cell NHL as well as the development of personalized approaches to address patient-to-patient genetic heterogeneity. This review highlights the new insights into the molecular basis of chemorefractory B-cell NHL that are facilitating the rational design of novel strategies to overcome drug resistance.
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Affiliation(s)
- Steve A Maxwell
- Texas A&M Health Science Center, College Station, TX 77843-1114, USA
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Golay J, Semenzato G, Rambaldi A, Foà R, Gaidano G, Gamba E, Pane F, Pinto A, Specchia G, Zaja F, Regazzi M. Lessons for the clinic from rituximab pharmacokinetics and pharmacodynamics. MAbs 2013; 5:826-37. [PMID: 23933992 DOI: 10.4161/mabs.26008] [Citation(s) in RCA: 93] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The anti-CD20 antibody rituximab (RTX; Rituxan®, MabThera®) was the first anti-cancer antibody approved by the US Food and Drug Administration in 1997 and it is now the most-studied unconjugated therapeutic antibody. The knowledge gained over the past 15 y on the pharmacodynamics (PD) of this antibody has led to the development of a new generation of anti-CD20 antibodies with enhanced efficacy in vitro. Studies on the pharmacokinetics (PK) properties and the effect of factors such as tumor load and localization, antibody concentration in the circulation and gender on both PK and clinical response has allowed the design of optimized schedules and novel routes of RTX administration. Although clinical results using newer anti-CD20 antibodies, such as ofatumumab and obinutuzumab, and novel administration schedules for RTX are still being evaluated, the knowledge gained so far on RTX PK and PD should also be relevant for other unconjugated monoclonal antibody therapeutics, and will be critically reviewed here.
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Affiliation(s)
- Josée Golay
- Division of Hematology; Ospedale Papa Giovanni XXIII; Bergamo, Italy
| | - Gianpietro Semenzato
- Padua University School of Medicine; Hematology Branch; Department of Medicine; Padua, Italy
| | | | - Robin Foà
- Division of Hematology; Department of Cellular Biotechnologies and Hematology; University "Sapienza"; Rome, Italy
| | - Gianluca Gaidano
- Division of Hematology; Department of Translational Medicine; Amedeo Avogadro University of Eastern Piedmont; Novara, Italy
| | | | - Fabrizio Pane
- Dipartimento di Medicina Clinica e Chirurgia; Università di Napoli Federico II and Ceinge-Biotecnologie Avanzate; Naples, Italy
| | - Antonello Pinto
- Hematology-Oncology and Stem Cell Transplantation Unit; Istituto Nazionale Tumori; Fondazione 'G.Pascale'; IRCCS; Naples, Italy
| | | | - Francesco Zaja
- Clinica Ematologica; DISM, AOUD S.M. Misericordia; Udine, Italy
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Mark T, Martin P, Leonard JP, Niesvizky R. Milatuzumab: a promising new agent for the treatment of lymphoid malignancies. Expert Opin Investig Drugs 2009; 18:99-104. [PMID: 19053886 DOI: 10.1517/13543780802636162] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
BACKGROUND Non-Hodgkin's lymphoma and multiple myeloma are often incurable and respond to a limited set of treatment options. The selective expression of CD74, the invariant chain of the MHC class II molecule, in these malignancies provides an attractive target for antibody-based therapy. OBJECTIVE This review evaluates the preclinical data for milatuzumab, a humanized antibody targeting CD74, as a treatment for non-Hodgkin's lymphomas and multiple myeloma. METHODS A review of the literature was carried out using PubMed. Current Phase I protocols using milatuzumab are summarized. RESULTS/CONCLUSION Milatuzumab is cytotoxic to lymphoma and multiple myeloma cell lines and mouse-human xenografts. The efficacy dramatically increases when milatuzumab is attached to a toxin or a radioactive agent. Phase I trials of milatuzumab are now underway in human subjects with lymphoma and multiple myeloma.
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Affiliation(s)
- Tomer Mark
- Weill Medical College of Cornell University, New York Presbyterian Hospital-Cornell Medical Center, Center for Lymphoma and Myeloma, Division of Hematology and Medical Oncology, 525 East 68th Street, NY 10021, USA.
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Abstract
BACKGROUND Rituximab, a chimeric mouse/human monoclonal antibody targeting the pan-B-cell antigenic marker CD20, was the first monoclonal antibody licensed for use in the treatment of cancer. OBJECTIVE This review focuses on the impact of rituximab in the treatment of patients with B-cell non-Hodgkin lymphoma (NHL). METHODS Three key areas related to the use of rituximab in B-cell NHL are discussed: mechanism of action, clinical efficacy in both indolent and aggressive disease, and safety of its use as both monotherapy and in combination with chemotherapy. RESULTS/CONCLUSIONS Rituximab has demonstrated significant clinical efficacy in the treatment of NHL, particularly in combination with chemotherapy, and its use has revolutionized the treatment of both indolent and aggressive B-cell NHL over the past decade. Furthermore, consistent toxicity data have been obtained with a safe and tolerable profile in most patients.
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Affiliation(s)
- Matthew C Winter
- Academic Unit of Clinical Oncology, Cancer Research Centre, Weston Park Hospital, University of Sheffield, UK.
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