51
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Borthakur G, O'Brien S, Wierda WG, Thomas DA, Cortes JE, Giles FJ, Kantarjian HM, Lerner S, Keating MJ. Immune anaemias in patients with chronic lymphocytic leukaemia treated with fludarabine, cyclophosphamide and rituximab ? incidence and predictors. Br J Haematol 2007; 136:800-5. [PMID: 17341265 DOI: 10.1111/j.1365-2141.2007.06513.x] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Immune anaemias (IA) [auto-immune haemolytic anaemia (AIHA) and pure red cell aplasia (PRCA)] are complications of chronic lymphocytic leukaemia (CLL). Fludarabine has been associated with AIHA, whereas both rituximab and cyclophosphamide have been used to treat this condition. Combining these agents with fludarabine may reduce the likelihood of AIHA. We report on the incidence, outcome and pretreatment predictors of IA in 300 patients treated with fludarabine, cyclophosphamide and rituximab (FCR). Nineteen patients (6.5%) developed IA [AIHA (5.8%), PRCA (0.7%)] on or after treatment with FCR. Most patients (82.4%) with AIHA had a negative direct antiglobulin test (DAT). Additional markers of haemolysis (indirect hyperbilirubinaemia, reticulocytosis, low haptoglobin and elevated lactate dehydrogenase levels) confirmed the presence of AIHA in these patients. The majority of patients responded to therapies including steroids, ciclosporin, i.v. immunoglobulin, etc. High pretreatment levels of beta-2 microglobulin predicted for development of IA. No haemolytic crisis was observed during FCR therapy in eight patients with AIHA prior to FCR. Thus, the incidence of IA among CLL patients treated with FCR was comparable with historical rates. The diagnosis of AIHA can be considered even if the DAT is negative. Pre-existing AIHA need not preclude front-line FCR therapy.
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MESH Headings
- Adolescent
- Adult
- Aged
- Anemia, Hemolytic, Autoimmune/diagnosis
- Anemia, Hemolytic, Autoimmune/drug therapy
- Anemia, Hemolytic, Autoimmune/etiology
- Antibodies, Monoclonal/administration & dosage
- Antibodies, Monoclonal, Murine-Derived
- Antineoplastic Combined Chemotherapy Protocols/therapeutic use
- Cyclophosphamide/administration & dosage
- Female
- Glucocorticoids/administration & dosage
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/blood
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Male
- Middle Aged
- Prospective Studies
- Red-Cell Aplasia, Pure/diagnosis
- Red-Cell Aplasia, Pure/drug therapy
- Red-Cell Aplasia, Pure/etiology
- Retrospective Studies
- Rituximab
- Treatment Outcome
- Vidarabine/administration & dosage
- Vidarabine/analogs & derivatives
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Affiliation(s)
- Gautam Borthakur
- Department of Leukemia, M.D. Anderson Cancer Center, Houston, TX 77030, USA.
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52
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Abstract
Abstract
The current management of B-chronic lymphocytic leukemia (CLL) is no longer straightforward for the practicing hematologist. Rapid advances in diagnostic precision, methods of predicting prognosis, understanding of natural history of CLL, recognition of clinical complications, clarification of the quality of life (QOL) issues facing the CLL patient, and the exciting array of novel treatment approaches have made the care of the CLL patient more demanding. This review is focused on summarizing these advances in order to provide a framework for integrating this knowledge into routine hematologic practice.
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53
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Shanafelt TD, Kay NE. Comprehensive management of the CLL patient: a holistic approach. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2007; 2007:324-331. [PMID: 18024647 DOI: 10.1182/asheducation-2007.1.324] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The current management of B-chronic lymphocytic leukemia (CLL) is no longer straightforward for the practicing hematologist. Rapid advances in diagnostic precision, methods of predicting prognosis, understanding of natural history of CLL, recognition of clinical complications, clarification of the quality of life (QOL) issues facing the CLL patient, and the exciting array of novel treatment approaches have made the care of the CLL patient more demanding. This review is focused on summarizing these advances in order to provide a framework for integrating this knowledge into routine hematologic practice.
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MESH Headings
- Counseling
- Holistic Health
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/complications
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Leukemia, Lymphocytic, Chronic, B-Cell/therapy
- Neoplasm, Residual
- Prognosis
- Quality of Life
- Salvage Therapy
- Stem Cell Transplantation
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Affiliation(s)
- Tait D Shanafelt
- Mayo Clinic, 200 First Street, Stabile 6-28, Rochester, MN 55905-0001, USA
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54
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New aspects of the treatment of chronic lymphocytic leukemia. Curr Hematol Malig Rep 2006; 1:251-7. [PMID: 20425320 DOI: 10.1007/s11899-006-0006-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Progress in the understanding of the biology of chronic lymphocytic leukemia and in the development of new and effective therapies has generated a shift in treatment paradigms within only a few years. Traditional chemotherapy agents such as alkylators or nucleoside analogs are rapidly being replaced by combination regimens. Combinations of monoclonal antibodies with chemotherapy agents (chemoimmunotherapy) have proved especially powerful, almost doubling clinical complete response rates compared with chemotherapy alone. In addition to an increase in the number of responders, eradication of residual disease and achievement of molecular responses have become possible, leading to novel treatment concepts including consolidation and maintenance. New therapeutic agents and vaccines are in development and are being evaluated in clinical trials. Cytogenetic-molecular characterization has begun to be tailored into treatment considerations and it is hoped that the combination of molecular biology with effective therapies will lead to risk-adapted strategies and improved survival.
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55
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Roberts L, Lucas G, Green L, Lindsay J, Bhattacharyya S, Thornton P, Evans G, Pocock C. Autoimmune neutropenia following therapy for chronic lymphocytic leukaemia: a report of three cases. Br J Haematol 2006; 136:348-9. [PMID: 17156393 DOI: 10.1111/j.1365-2141.2006.06436.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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56
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Zent CS. Autoimmunity and chronic lymphocytic leukemia. Leuk Lymphoma 2006; 47:1443-4. [PMID: 16966247 DOI: 10.1080/10428190600604930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Clive S Zent
- Mayo Clinic College of Medicine, Rochester, MN 55905, USA.
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57
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Abstract
Traditionally, the goal of therapy in chronic lymphocytic leukemia (CLL) has been palliative, with first-line therapy using alkylating agents and/or involved field radiotherapy (depending on the stage of disease and sites of involvement) because of the older age of affected patients and the low rate of complete remissions (CRs) with no improvement in overall survival despite treatment. With increasing knowledge about the biology, molecular genetics, and prognostic factors of the disease, the philosophy of care for patients with CLL has evolved from palliation to aiming for a potential cure, especially in younger patients. Furthermore, multiple treatment options have emerged, including purine analogues, monoclonal antibodies, and potentially stem cell transplantation. These have been associated with higher frequencies of CRs and longer durations of responses compared to conventional chemotherapy. In addition, a subset of patients treated with chemoimmunotherapy can achieve durable CRs and molecular remissions. This may translate into improved disease-free survival and potentially a "cure." Because of the heterogeneous nature of CLL, new prognostic markers are currently being incorporated into clinical trials to determine their role in routine clinical practice. This review summarizes current therapeutic regimens that are being evaluated in patients with CLL and management of disease-related complications.
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Affiliation(s)
- Karen W L Yee
- Department of Leukemia, University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA
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58
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Beyan C, Kaptan K, Ifran A. Coexistence of chronic lymphocytic leukemia and Hashimoto's thyroiditis. Ann Hematol 2006; 85:811-2. [PMID: 16845514 DOI: 10.1007/s00277-006-0162-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2006] [Accepted: 06/05/2006] [Indexed: 10/24/2022]
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59
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Cutting R, Ezaydi Y, Edbrooke D, El-Ghariani K, Stamps R, Snowden JA. Graft failure and severe autoimmune haemolysis following fludarabine-based reduced-intensity matched unrelated donor bone marrow transplantation for severe aplastic anaemia: salvage by second transplant with conventional dose conditioning. Bone Marrow Transplant 2006; 38:317-8. [PMID: 16819439 DOI: 10.1038/sj.bmt.1705433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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60
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Abstract
Abstract
Autoimmune hemolytic anemia (AIHA) is most often idiopathic. However, in recent years, AIHA has been noted with increased incidence in patients receiving purine nucleoside analogues for hematologic malignancies; it has also been described as a complication of blood transfusion in patients who have also had alloimmunization. As the technology of hematopoietic stem cell transplantation has become more widespread, immune hemolysis in the recipients of ABO-mismatched products has become better recognized. The syndrome is caused by passenger lymphocytes transferred from the donor, and although transient, can be quite severe. A similar syndrome has been observed in recipients of solid organ transplants when there is ABO-incompatibility between donor and recipient.
Venous thromboembolism is a little-recognized, though likely common, complication of autoimmune hemolytic anemia (AIHA), and may in some instances be related to coexistent antiphospholipid antibodies. While AIHA is a well-documented complication of malignant lymphoproliferative disorders, lymphoproliferative disorders may also paradoxically appear as a consequence of AIHA.
A number of newer options are available for treatment of AIHA in patients refractory to corticosteroids and splenectomy. Newer immunosuppressives such as mycophenolate may have a role in such cases. Considerable experience has been accumulating in the last few years with monoclonal antibody therapy, specifically rituximab, in difficult AIHA cases; it appears to be a safe and effective option.
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Affiliation(s)
- Philip C Hoffman
- University of Chicago, 5841 S Maryland Ave, MC2115, Chicago, IL 60637, USA.
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61
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Aslan DL, Peterson BA, Long-Tsai M, Eastlund T. Early-onset autoimmune hemolytic anemia after cladribine therapy for Waldenström's macroglobulinemia. Transfusion 2005; 46:90-4. [PMID: 16398735 DOI: 10.1111/j.1537-2995.2006.00678.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Purine nucleoside analogs are a class of antineoplastic drugs with potent lymphotoxicity against T and B lymphocytes, causing prolonged lymphopenia and linked to delayed immune complications such as opportunistic infections and more recently autoimmune hemolytic anemia (AIHA), seen mostly in patients with chronic lymphocytic leukemia (CLL). A characteristic temporal relation between fludarabine therapy and the appearance of a warm-reactive immunoglobulin G (IgG)-mediated AIHA in patients with CLL has been observed and, in some, the AIHA has been fatal. Whether both fludarabine and cladribine cause AIHA is uncertain because AIHA is commonly seen in patients with CLL without the use of these drugs. In contrast, AIHA is encountered in Waldenström's macroglobulinemia (WM) much less frequently, and the autoantibody is usually cold-reactive and IgM-mediated. In a few reported cases of AIHA arising in patients with WM after cladribine therapy, there was a latency of 24 to 60 months between therapy and the onset of AIHA, three of which were warm-reactive and IgG-mediated. CASE REPORT A warm-reacting IgG red cell autoantibody and evidence of hemolysis detected 1 month after completing cladribine therapy for WM, with warm antibody AIHA developing 4 months later, are described. CONCLUSIONS Cladribine, like fludarabine, is possibly able to produce this complication during or early after therapy. Because the use of purine analogs is becoming increasingly common, it is important to have an awareness of the complications that can arise during and after treatment. Further observations of warm AIHA during cladribine therapy are needed to establish it as a distinct complication.
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Affiliation(s)
- Deniz L Aslan
- Division of Transfusion Medicine, Department of Laboratory Medicine and Pathology, Oncology and Transplantation, University of Minnesota Medical School, Minneapolis, Minnesota 55455, USA.
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62
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Abstract
The erythrocyte is a highly specialised cell with a limited metabolic repertoire. As an oxygen shuttle, it must continue to perform this essential task while exposed to a wide range of environments on each vascular circuit, and to a variety of xenobiotics across its lifetime. During this time, it must continuously ward off oxidant stress on the haeme iron, the globin chain and on other essential cellular molecules. Haemolysis, the acceleration of the normal turnover of senescent erythrocytes, follows severe and irreversible oxidant injury. A detailed understanding of the molecular mechanisms underlying oxidant injury and its reversal, and of the clinical and laboratory features of haemolysis is important to the medical toxicologist. This review will also briefly review glucose-6-phosphate deficiency, a common but heterogeneous range of enzyme-deficient states, which impairs the ability of the erythrocyte to respond to oxidant injury.
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Affiliation(s)
- Marco L A Sivilotti
- Department of Emergency Medicine, Queen's University, Kingston, Ontario, Canada.
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63
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Moon SH, Chung SH, Jung DS, Lee CJ, Seo BG, Kim SH, Kwon HC, Kim JS, Kim HJ. A Case of Autoimmune Hemolytic Anemia after Fludarabine Treatment in Waldenstrom Macroglobulinemia. THE KOREAN JOURNAL OF HEMATOLOGY 2005. [DOI: 10.5045/kjh.2005.40.2.116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Seung-Hwan Moon
- Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea
| | - Seuk-Hee Chung
- Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea
| | - Dong-Sik Jung
- Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea
| | - Chang-Jae Lee
- Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea
| | - Bong-Gun Seo
- Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea
| | - Sung-Hyun Kim
- Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea
| | - Hyuk-Chan Kwon
- Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea
| | - Jae-Seok Kim
- Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea
| | - Hyo-Jin Kim
- Department of Internal Medicine, Dong-A University College of Medicine, Busan, Korea
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64
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Leo E, Scheuer L, Schmidt-Wolf IGH, Kerowgan M, Schmitt C, Leo A, Baumbach T, Kraemer A, Mey U, Benner A, Parwaresch R, Ho AD. Significant thrombocytopenia associated with the addition of rituximab to a combination of fludarabine and cyclophosphamide in the treatment of relapsed follicular lymphoma. Eur J Haematol 2004; 73:251-7. [PMID: 15347311 DOI: 10.1111/j.1600-0609.2004.00293.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Fludarabine in combination with cyclophosphamide is an effective treatment for newly diagnosed as well as relapsed follicular lymphoma. The anti-CD20 antibody rituximab has been employed successfully for the same indications. No such data were available on a combined use of these agents. Therefore, we conducted a phase II study to evaluate the safety and efficacy of a combination of rituximab (375 mg/m2), fludarabine (4 x 25 mg/m2) and cyclophosphamide (1 x 750 mg/m2), for the treatment of relapsed follicular lymphoma. An unexpected, severe hematologic toxicity with significant, prolonged thrombocytopenias WHO grade III/IV in 6 (35%) of 17 patients treated in total occurred, leading to early termination of the trial. Cytologic and serologic analyses point toward a direct toxic effect. Older patients (mean age 64.7 vs. 56.5 yr) were significantly (P = 0.02) more likely to suffer from this toxicity, whereas no other clinical or hematologic parameter differed statistically between the patients suffering from thrombocytopenia and those who did not. The addition of rituximab to fludarabine/cyclophosphamide employed at doses given above in relapsed follicular lymphoma may have led to this increase in thrombocytopenias. Therefore, caution should be exercised when combining these drugs for the treatment of patients with relapsed follicular lymphoma, especially when treating older patients.
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Affiliation(s)
- Eugen Leo
- Department of Hematology-Oncology & Rheumatology, University of Heidelberg Medical Center, Germany.
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65
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Caligaris-Cappio F, Ghia P. The nature and origin of the B-chronic lymphocytic leukemia cell: a tentative model. Hematol Oncol Clin North Am 2004; 18:849-62, viii. [PMID: 15325702 DOI: 10.1016/j.hoc.2004.04.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Chronic lymphocytic leukemia cells have the profile of antigen (Ag) activated memory B cells but also show a constellation of T-cell-associated properties. We suggest that the early transforming events may occur in an early lymphoid progenitor. This precursor differentiates into a mature B cell that, though retaining T-cell features, has a functional B-cell receptor that may allow Ag intervention to trigger clonal expansion. This model has to cope with the existence of at least two subsets of the disease as defined by their IgVH genes mutational status. Mutated cases have a lower capacity to interact with Ag and are reminiscent of anergic cells. This explains their less harmful behavior as compared with unmutated case, which have a more aggressive potential likely because they had the opportunity to acquire additional chromosomal aberrations after repeated rounds of Ag stimulation and replication.
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66
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Oscier D, Fegan C, Hillmen P, Illidge T, Johnson S, Maguire P, Matutes E, Milligan D. Guidelines on the diagnosis and management of chronic lymphocytic leukaemia. Br J Haematol 2004; 125:294-317. [PMID: 15086411 DOI: 10.1111/j.1365-2141.2004.04898.x] [Citation(s) in RCA: 117] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- D Oscier
- Department of Haematology, Royal Bournemouth Hospital, Bournemouth, UK
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67
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Abstract
Chronic lymphocytic leukaemia (CLL) is the most common leukaemia of adults in Western countries. It is a systemic haematological malignancy that originates from B cells (B-CLL) in 95% of patients, while only a minority are derived through malignant transformation of T cells (T-CLL). Although B-CLL is classified as a non-Hodgkin's lymphoma, several issues make this leukaemia a unique entity among malignant lymphoma. Inhibition of the programmed cell death (apoptosis) and upregulation of the anti-apoptotic protein Bcl-2 are key elements of the pathophysiology of B-CLL cells and define clinical prognosis. Furthermore, B-CLL cells are arrested in G0/G1 phase of the cell cycle. Dysfunctional apoptosis and cell cycle are the main reasons for the clinical enigma, that CLL can not yet be cured with conventional chemotherapy. However, the molecular pathways that are responsible for this characteristic feature of the B-CLL cells still need further definition.Recently, considerable progress has been made in defining the molecular basis for the pathogenesis of CLL and in finding new therapeutic options. Recent studies indicate that B-CLL cells may be delineated from two main groups of normal B cells, i.e. pre- and postgerminal B cells, and can be distinguished through lack of or existence of mutations of the V heavy chain gene. This differential mutational status of the Ig V gene has significant impact on patient survival. Modern cytogenetic methods such as fluorescence in situ hybridisation (FISH) have opened a new era in the molecular analysis of CLL cells. Determining the chromosomal aberration of the leukaemic cells has become a standard scientific programme for each clinical trial. The cytogenetic profile may soon help to define a clinical risk profile and guide the various treatment strategies. Further progress has been made in the therapy of CLL. Purine analogues such as fludarabine were able to induce significant improvement in remission rates; however, they did not lead to improved survival. Chimera of murine or rat monoclonal antibodies and human antibodies were designed to treat CLL. Antibodies such as rituximab and alemtuzumab (Campath-1H), directed against CD20 and CD52, respectively, appear as attractive alternatives to conventional chemotherapy because of their lack of significant myelotoxicity. Studies using myeloablative chemotherapy followed by autologous or allogeneic stem cell transplantation were initiated with the hope of finding a cure for CLL. In contrast to autologous stem cell transplantation, allogeneic transplants appear to display a plateau of relapse rates. In conclusion, for many years CLL was considered as a chronic haematological malignancy that required only few diagnostic tools and for whom no hope of cure could be offered. The current review focuses on recent improvements in diagnosis and treatment of CLL that have opened a new era in the management of patients with this systemic malignancy.
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MESH Headings
- Alemtuzumab
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal, Humanized
- Antibodies, Monoclonal, Murine-Derived
- Antibodies, Neoplasm/therapeutic use
- Antineoplastic Agents/therapeutic use
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Rituximab
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Affiliation(s)
- Folke Schriever
- Charité, Virchow-University Hospital, Humboldt University, Berlin, Germany.
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68
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Kyasa MJ, Parrish RS, Schichman SA, Zent CS. Autoimmune cytopenia does not predict poor prognosis in chronic lymphocytic leukemia/small lymphocytic lymphoma. Am J Hematol 2003; 74:1-8. [PMID: 12949883 DOI: 10.1002/ajh.10369] [Citation(s) in RCA: 74] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) is characterized by an acquired immune defect that can cause autoimmune complications, including anemia and thrombocytopenia. We conducted an observational study of the epidemiology, clinical presentation and significance of autoimmune complications of CLL/SLL in 132 patients from a large population (>45,000 veterans), in which at least 90% of patients with CLL/SLL have been previously identified. Over a period of 12.5 years, 12 patients (9.1%) had autoimmune complications; of these, 6 (4.5%) had autoimmune hemolytic anemia (AIHA), 5 (3.8%) had immune thrombocytopenia (ITP), and 1 (0.8%) had pure red blood cell aplasia (PRBA). All 6 cases of AIHA had a positive direct immunoglobulin test for IgG and C3d. In 6 patients, CLL/SLL was an incidental finding at the time of presentation with autoimmune cytopenia. Nine out of 10 patients responded to immunosuppressive therapy, which was complicated by serious infection in 7 cases, one of which was fatal. The major cause of mortality in patients with autoimmune complications of CLL/SLL was secondary malignancy. Survival of patients with immune cytopenia was not significantly different from CLL/SLL patients without immune cytopenia. Among patients with anemia or thrombocytopenia, mortality was significantly higher in those with bone marrow failure compared to an autoimmune etiology. We show that in a non-referred population with a high incidence of CLL/SLL, autoimmune cytopenia can occur early in the natural history of the disease. These data suggest that the Rai and Binet classifications for CLL need to be modified for patients with autoimmune cytopenia. .
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Affiliation(s)
- Mouhammed J Kyasa
- Division of Hematology/Oncology, Department of Medicine, Central Arkansas Veterans Healthcare System and University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA
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69
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Chaiwatanatorn K, Lee N, Grigg A, Filshie R, Firkin F. Delayed-onset neutropenia associated with rituximab therapy. Br J Haematol 2003; 121:913-8. [PMID: 12786803 DOI: 10.1046/j.1365-2141.2003.04385.x] [Citation(s) in RCA: 113] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The characteristics of severe neutropenia with a delayed onset following administration of rituximab have been evaluated in 53 consecutively treated patients. All but one patient received rituximab for the treatment of non-Hodgkin's lymphoma. Eight episodes of grade 4 neutropenia were detected between 1 and 5 months after rituximab, when administered alone on five occasions, and on three occasions in combination with chemotherapy, where neutrophil counts had recovered prior to the development of neutropenia. In three episodes, the patients presented with sepsis. Development of neutropenia did not correlate with either the presence of detectable disease or the administration of further treatment. Neutropenia was associated with selective depletion of neutrophil precursors in all but one episode, where it was associated with generalized bone marrow hypoplasia. All episodes developed after a period of either normal or mildly depressed neutrophil counts following treatment with rituximab, and persisted for between several days and several months, before undergoing spontaneous recovery in four instances, and after administration of filgrastim in the remainder. Episodes of neutropenia were associated with disordered immune status manifested by lymphopenia and hypogammaglobulinaemia, raising the possibility that either disturbance of the balance of lymphocyte subsets or an immune dyscrasia induced by rituximab resulted in the development of this type of neutropenia.
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70
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Wells T, Kovacs MJ. Autoimmune thrombocytopenia due to chronic lymphocytic leukemia treated with fludarabine. Ann Pharmacother 2003; 37:671-4. [PMID: 12708944 DOI: 10.1345/aph.1c287] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
OBJECTIVE To report a case of autoimmune thrombocytopenia due to chronic lymphocytic leukemia (CLL) treated with fludarabine. CASE SUMMARY A 68-year-old white woman with CLL was treated with oral chlorambucil. She subsequently presented with severe autoimmune thrombocytopenia purpura (ITP). Intravenous gammaglobulin was administered without response, and a therapeutic splenectomy produced only a temporary response, with platelets reaching 65 x 10(3)/mm(3). Four weeks later, the platelet level was below 10 x 10(3)/mm(3). At that time, the woman was treated with fludarabine. The platelet count 4 weeks later was normal (270 x 10(3)/mm(3)) and has been sustained for over 22 months. DISCUSSION Fludarabine has been reported to be causative in the onset of autoimmune cytopenias with CLL. Our case cautiously suggests fludarabine as a potential treatment for cases of CLL-associated ITP refractory to standard therapy. CONCLUSIONS Fludarabine could be considered as treatment of ITP in CLL refractory to standard treatment.
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MESH Headings
- Aged
- Antineoplastic Agents/therapeutic use
- Chlorambucil/therapeutic use
- Female
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/complications
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Purpura, Thrombocytopenic, Idiopathic/chemically induced
- Purpura, Thrombocytopenic, Idiopathic/complications
- Purpura, Thrombocytopenic, Idiopathic/drug therapy
- Time Factors
- Vidarabine/analogs & derivatives
- Vidarabine/therapeutic use
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Affiliation(s)
- Tiffany Wells
- University of Western Ontario, London, Ontario, Canada
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71
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Robak T, Boński JZ, Kasznicki M, Góra-Tybor J, Hellmann A, Konopka L, Dmoszyńska A, Dwilewicz-Trojaczek J, Wołowiec D. Re-treatment with cladribine-based regimens in relapsed patients with B-cell chronic lymphocytic leukemia. Efficacy and toxicity in comparison with previous treatment. Eur J Haematol 2002; 69:27-36. [PMID: 12270059 DOI: 10.1034/j.1600-0609.2002.02711.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The aim of the study was to determine the effectiveness and toxicity of cladribine (2-CdA) used alone or in combination with prednisone (P) or cyclophosphamide and mitoxantrone in re-treatment of patients with progressive B-cell chronic lymphocytic leukemia (B-CLL). We analyzed treatment outcome in 40 patients who had responded to previous treatment with 2-CdA-based regimens. Criteria for re-treatment were the same as for the first treatment. The patients were retreated with the same agents if they responded to the first treatment and then relapsed with progressive disease not earlier than 3 months after achieving the first response. Eight patients received 2-CdA alone (0.12 mg kg(-1) d(-1)) i.v. for 5 d, and 21 patients additionally were given P (30 mg m(-2) d(-1)) orally, also for 5 d. Eleven patients received 2-CdA for 3 d combined with cyclophosphamide (650 mg m(-2)) i.v. and mitoxantrone (10 mg m(-2)) i.v. on day 1 (CMC regimen). The cycles were repeated usually at 4 wk intervals or longer if severe myelosuppression or infections occurred. The therapy was finished if complete remission (CR) was achieved or until maximum of six courses. Overall response (OR) in re-treatment was obtained in 16 out of 40 (40%) patients (95% CI 16-64), including 62% after 2-CdA, 33% after 2-CdA +P and 36% after CMC. CR was obtained in four (10%) patients. Residual disease evaluated in the patients with CR by surface immunophenotyping had been demonstrated in 5 out of 16 (31%) patients after the first treatment and in one out of four (25%) patients after re-treatment. The median progression-free survival (PFS) was 16 months (range 3-39) for the first treatment and 9.5 months (range 3-18) for re-treatment (P=0.34). Grade III or IV neutropenia was observed in 20% patients during the first treatment and in 35% patients during re-treatment (P=0.1). 2-CdA-induced thrombocytopenia occurred in 20% and 42% of the patients, respectively (P=0.05). Anemia was also more frequent during re-treatment (35%) than during the first treatment (7%) (P=0.007). Autoimmune hemolytic anemia developed in four (10%) of the patients during or after re-treatment. Severe infections, including pneumonia and herpes reactivation, occurred in 11 patients during the first treatment and in 10 patients during re-treatment. Twelve (30%) patients died during the study. Infections were the cause of death in six and AIHA in two patients. In conclusion, 2-CdA applied in monotherapy or in combination with prednisone or cyclophosphamide and mitoxantrone has therapeutic activity in some B-CLL patients in whom these drugs induced earlier complete or partial remission. However, since the second response is usually shorter and myelotoxicity more pronounced than during the first therapy, more clinical trials to find other therapeutical approaches are necessary.
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Affiliation(s)
- Tadeusz Robak
- Department of Hematology, Medical University of Łodz, Poland
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72
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Abstract
Fludarabine can exacerbate idiopathic thrombocytopenia (ITP) in chronic lymphocytic leukemia (CLL). We report 3 CLL patients with refractory fludarabine-associated ITP who responded to rituximab. The patients had Rai stages III, III, and IV disease. Before fludarabine treatment, the platelet counts were 141 000/μL, 118 000/μL, and 70 000/μL. ITP developed within week 1 of cycle 3 in 2 patients and within week 2 of cycle 1 in 1 patient. Platelet count nadirs were 4000/μL, 1000/μL, and 2000/μL, respectively, and did not respond to treatment with steroids or intravenous immunoglobulin. Rituximab therapy (375 mg/m2 per week for 4 weeks) was begun on days 18, 23, and 20 of ITP. Patient 1 achieved a platelet count of more than 50 000/μL at day 21 and more than 133 000/μL at day 28, patient 2 achieved a platelet count of more than 50 000/μL at day 4 and more than 150 000/μL at day 10, and patient 3 achieved a platelet count of more than 50 000/μL at day 5 and 72 000/μL at day 28 of rituximab therapy, with platelet response durations of 17+, 6+, and 6 months. These results suggest rituximab can rapidly reverse refractory fludarabine-associated ITP.
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73
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Rituximab treatment of refractory fludarabine-associated immune thrombocytopenia in chronic lymphocytic leukemia. Blood 2002. [DOI: 10.1182/blood.v100.6.2260] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Abstract
Fludarabine can exacerbate idiopathic thrombocytopenia (ITP) in chronic lymphocytic leukemia (CLL). We report 3 CLL patients with refractory fludarabine-associated ITP who responded to rituximab. The patients had Rai stages III, III, and IV disease. Before fludarabine treatment, the platelet counts were 141 000/μL, 118 000/μL, and 70 000/μL. ITP developed within week 1 of cycle 3 in 2 patients and within week 2 of cycle 1 in 1 patient. Platelet count nadirs were 4000/μL, 1000/μL, and 2000/μL, respectively, and did not respond to treatment with steroids or intravenous immunoglobulin. Rituximab therapy (375 mg/m2 per week for 4 weeks) was begun on days 18, 23, and 20 of ITP. Patient 1 achieved a platelet count of more than 50 000/μL at day 21 and more than 133 000/μL at day 28, patient 2 achieved a platelet count of more than 50 000/μL at day 4 and more than 150 000/μL at day 10, and patient 3 achieved a platelet count of more than 50 000/μL at day 5 and 72 000/μL at day 28 of rituximab therapy, with platelet response durations of 17+, 6+, and 6 months. These results suggest rituximab can rapidly reverse refractory fludarabine-associated ITP.
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74
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Robak T, Kasznicki M. Alkylating agents and nucleoside analogues in the treatment of B cell chronic lymphocytic leukemia. Leukemia 2002; 16:1015-27. [PMID: 12040433 DOI: 10.1038/sj.leu.2402531] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2001] [Accepted: 02/19/2002] [Indexed: 11/09/2022]
Abstract
Chronic lymphocytic leukemia (CLL) is the most common form of leukemia in the Western world. The natural clinical course is highly variable and chemotherapy is usually not indicated in early and stable disease. Treatment is needed in the progressive form of this leukemia. Chlorambucil, with or without steroids, has been for many years the drug of choice in the treatment of CLL. More recently, treatment approaches have included nucleoside analogues, (NA) fludarabine (FAMP) and cladribine (2-CdA, 2-chlorodeoxyadenosine), which seem to be the treatment of choice for patients failing standard therapies. Their role as first line therapy is being investigated in randomized trials and the results have recently been published. These studies have shown a higher overall response and complete remission (CR) rate and longer response duration in patients treated initially with NA than with chlorambucil or cyclophosphamide-based combination regimens. In contrast, overall survival is similar in patients treated with NA and alkylating agents. However, the randomized trials were designed as crossover studies which may influence survival. Combined use of NA with other cytotoxic drugs, cytokines, monoclonal antibodies and other agents may increase the CR and prolong survival time. However, the results of randomized trials comparing combination treatment with NA alone are not yet available. In conclusion, alkylating agents still have an important place in the routine management of the majority of CLL patients. NA should be routinely used as second line treatment and possibly as first line therapy in younger patients, who are candidates for potentially curative treatment such as stem cell transplantation and/or monoclonal antibodies.
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Affiliation(s)
- T Robak
- Department of Hematology, Medical University of Lódź, Copernicus Memorial Hospital, Lódź, Poland
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75
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Karlsson K, Strömberg M, Liliemark J, Delannoy A, Johnson SAN, Porwit A, Kimby E, Lärfars G, Cristiansen I, Nilsson G, Celsing F, Sundström G, Luthman M, Tidefelt U, Wallvik J, Juliusson G. Oral cladribine for B-cell chronic lymphocytic leukaemia: report of a phase II trial with a 3-d, 3-weekly schedule in untreated and pretreated patients, and a long-term follow-up of 126 previously untreated patients. Br J Haematol 2002; 116:538-48. [PMID: 11849209 DOI: 10.1046/j.0007-1048.2001.03296.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
A phase II study was undertaken to evaluate the efficacy and toxicity of a new schedule of cladribine administration (10 mg/m2 orally daily for 3 d every 3 weeks) in 107 patients with B-cell chronic lymphocytic leukaemia (CLL). To minimize toxicity, treatment withdrawal criteria were defined. The results of the 63 previously untreated patients were retrospectively compared with 63 from an earlier study using a 5-d monthly schedule. The compiled data were analysed for prognostic factors for survival. No significant difference regarding response were seen in the two cohorts of the 126 previously untreated patients. The complete response (CR), nodular partial response (nPR) and partial response (PR) rates were 15%, 21% and 41%. Quality of response had no impact on survival. The 3- and 5-year overall survival for previously untreated patients was 73% and 58%, respectively, with a median follow-up of 54 months. Pretreatment haemoglobin <11.0 g/dl and elevated beta-2-microglobulin had a negative influence on survival. Major infections occurred in 21% of patients in the 3-d study compared with 35% in the 5-d study. The overall response (OR) and CR rates in the 40 previously treated patients were 34% and 5% respectively. Median overall survival was 24 months and median progression-free survival for responding patients was 14 months. Cladribine used as a single agent is an effective treatment with an acceptable safety profile for pretreated and untreated B-CLL. The achievement of complete remission was not a prerequisite for long-term survival.
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Affiliation(s)
- Karin Karlsson
- Department of Haematology, University Hospital, Linköping, Sweden.
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76
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Churn M, Clough V. Autoimmune thrombocytopenia associated with the first cycle of fludarabine therapy in the treatment of relapsed non-Hodgkin's lymphoma. Clin Oncol (R Coll Radiol) 2002; 13:273-5. [PMID: 11554624 DOI: 10.1053/clon.2001.9267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Fludarabine phosphate is a purine analogue now commonly used in the treatment of low-grade lymphoid malignancies. An increased incidence of autoimmune haemolytic anaemia is reported with the use of fludarabine for the treatment of chronic lymphocytic leukaemia (CLL). CLL already confers a high risk of autoimmune disorders and, although these are recognized in non-Hodgkiin's lymphoma (NHL), they are less common. Immune thrombocytopenia occurring in patients with CLL treated with fludarabine has been reported and we describe a further case in a patient with relapsed NHL. Possible mechanisms of the effect of fludarabine on autoimmune disorders are discussed.
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Affiliation(s)
- M Churn
- Clatterbridge Centre for Oncology, Bebington, UK.
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77
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Jacobs P, Wood L. Chronic lymphocytic leukaemia--the haematologic basis for diagnosis and treatment. Hematology 2002; 7:33-41. [PMID: 12171775 DOI: 10.1080/10245330290020108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
Clinically diagnosis may be incidental when absolute lymphocytosis is uncovered at routine medical examination. More usually there is a recurrent sinopulmonary infection reflecting a varying degree of humoral and cellular immune deficiency. Autoimmune phenomena may result in haemolytic anaemia or thrombocytopenia. Expanding tumour bulk underlies the lymphadenopathy which may be prominent. Diagnosis is confirmed on morphology of the smear where atypical variants need to be distinguished from other indolent lymphoproliferative disorders. Immunophenotyping is indispensable in classification. Prognosis is predicated by cytogenetics and markers of tumour biology that include beta-2 microglobulin and peripheral blood lymphocyte doubling time. Management is dictated by symptoms and signs of progression superimposed upon performance status that includes age. Disease that is asymptomatic and truly indolent, particularly in the elderly, qualifies for a careful watch-and-wait policy. In other circumstances stratification to therapy requires entry into peer-reviewed protocols if optimal outcome is to be achieved. Established regimens, of demonstrably equal efficacy, are pulsed single-agents exemplified by chlorambucil or combinations of cyclophosphamide with vincristine and prednisone. The purine analogues, particularly when administered with an alkylating agent and mitoxantrone, are emerging as superior options. In selected patients any properly accredited program will make provision for escalation in chemotherapy requiring haematopoietic stem cell transplantation on the one hand or use of serotherapy with CD52 antibodies on the other. Less commonly, but in a defined subgroup, immunoglobulins directed against membrane CD20 may be effective. Perspective for the generalist is anchored in recognising that the previous cavalier approach to drug medication, with or without radiotherapy, is unwise whereas integrated management is now the international standard of practice. The previous anachronism of dabbling by occasional therapists is to be deprecated since this will generally deny patients access to proper diagnosis and risk-adjusted multi-disciplinary treatment.
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Affiliation(s)
- Peter Jacobs
- The Department of Haematology and Boone Marrow Transplant Unit incorporating the Searll Research Laboratory for Cellular and Molecular Biology, Constantiaberg Medi-Clinic, Cape Town, South Africa.
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78
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Hallek M. New Concepts in the Pathogenesis, Diagnosis, Prognostic Factors and Clinical Presentation of Chronic Lymphocytic Leukemia. ACTA ACUST UNITED AC 2001. [DOI: 10.1046/j.1468-0734.2000.00008.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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79
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Leporrier M, Chevret S, Cazin B, Boudjerra N, Feugier P, Desablens B, Rapp MJ, Jaubert J, Autrand C, Divine M, Dreyfus B, Maloum K, Travade P, Dighiero G, Binet JL, Chastang C. Randomized comparison of fludarabine, CAP, and ChOP in 938 previously untreated stage B and C chronic lymphocytic leukemia patients. Blood 2001; 98:2319-25. [PMID: 11588025 DOI: 10.1182/blood.v98.8.2319] [Citation(s) in RCA: 311] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
To comparatively assess first-line treatment with fludarabine and 2 anthracycline-containing regimens, namely CAP (cyclophosphamide, doxorubicin plus prednisone) and ChOP (cyclophosphamide, vincristine, prednisone plus doxorubicin), in advanced stages of chronic lymphocytic leukemia (CLL), previously untreated patients with stage B or C CLL were randomly allocated to receive 6 monthly courses of either ChOP, CAP, or fludarabine (FAMP), stratified based on the Binet stages. End points were overall survival, treatment response, and tolerance. From June 1, 1990 to April 15, 1998, 938 patients (651 stage B and 287 stage C) were randomized in 73 centers. Compared to ChOP and FAMP, CAP induced lower overall remission rates (58.2%; ChOP, 71.5%; FAMP; 71.1%; P <.0001 for each), including lower clinical remission rates (CAP, 15.2%; ChOP, 29.6%; FAMP, 40.1%; P =.003). By contrast, median survival time did not differ significantly according to randomization (67, 70, and 69 months in the ChOP, CAP, and FAMP groups, respectively). Incidences of infections (< 5%) and autoimmune hemolytic anemia (< 2%) during the 6 courses were similar in the randomized groups, whereas fludarabine induced, compared to ChOP and CAP, more frequent protracted thrombocytopenia (P =.003) and less frequent nausea-vomiting (P =.003) and hair loss (P <.0001). For patients with stage B and C CLL first-line fludarabine and ChOP regimens both provided similar overall survival and close response rates, and better results than CAP. However, there was an increase in clinical remission rate and a trend toward a better tolerance of fludarabine over ChOP that may influence the choice between these regimens as front-line treatments in patients with CLL.
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MESH Headings
- Aged
- Antimetabolites, Antineoplastic/adverse effects
- Antimetabolites, Antineoplastic/therapeutic use
- Antineoplastic Combined Chemotherapy Protocols/administration & dosage
- Antineoplastic Combined Chemotherapy Protocols/adverse effects
- Cisplatin/administration & dosage
- Cisplatin/adverse effects
- Cyclophosphamide/administration & dosage
- Cyclophosphamide/adverse effects
- Disease Progression
- Doxorubicin/administration & dosage
- Doxorubicin/adverse effects
- Female
- Follow-Up Studies
- Hospitalization/statistics & numerical data
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/mortality
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Lymphocyte Count
- Male
- Middle Aged
- Neoplasm Staging
- Phosphoramide Mustards/administration & dosage
- Phosphoramide Mustards/adverse effects
- Prednisone/administration & dosage
- Prednisone/adverse effects
- Prognosis
- Proportional Hazards Models
- Sample Size
- Survival Rate
- Time Factors
- Vidarabine Phosphate/adverse effects
- Vidarabine Phosphate/analogs & derivatives
- Vidarabine Phosphate/therapeutic use
- Vincristine/administration & dosage
- Vincristine/adverse effects
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80
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Gooptu C, Littlewood TJ, Frith P, Lyon CC, Carmichael AJ, Oliwiecki S, MacWhannell A, Amagai M, Hashimoto T, Dean D, Allen J, Wojnarowska F. Paraneoplastic pemphigus: an association with fludarabine? Br J Dermatol 2001; 144:1255-61. [PMID: 11422053 DOI: 10.1046/j.1365-2133.2001.04244.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Paraneoplastic pemphigus is a relatively recently described immunobullous disease with characteristic features. We report three cases of paraneoplastic pemphigus in adult men with chronic lymphocytic leukaemia arising within a week of completion of treatment with fludarabine. In all cases, withdrawal of fludarabine and treatment of the blistering was associated with marked cutaneous improvement. Fludarabine, a synthetic nucleoside analogue, which has only been available in Britain since 1994, is known to be associated with autoimmune phenomena and may have been involved in the development of paraneoplastic pemphigus in these cases.
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Affiliation(s)
- C Gooptu
- Department of Dermatology, The Oxford Radcliffe Hospital, Oxford, UK
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81
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Abstract
Chronic lymphocytic leukemia (CLL) is associated with the immune-mediated disorders autoimmune hemolytic anemia and immune thrombocytopenia. Initial treatment with corticosteroids is often successful in controlling these manifestations, but splenectomy should be considered if a rapid and complete response is not obtained. For those with persistent anemia or thrombocytopenia after splenectomy, treatment directed against the underlying CLL may be considered, although the use of purine analogues has also precipitated autoimmune hemolytic anemia. Pure red cell aplasia has been reported in CLL, and usually responds to immunosuppressive therapy.
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MESH Headings
- Adrenal Cortex Hormones/therapeutic use
- Anemia, Hemolytic, Autoimmune/immunology
- Anemia, Hemolytic, Autoimmune/therapy
- Antineoplastic Agents/therapeutic use
- Autoantibodies/immunology
- Autoantigens/immunology
- Autoimmunity/physiology
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/immunology
- Leukemia, Lymphocytic, Chronic, B-Cell/therapy
- Purpura, Thrombocytopenic, Idiopathic/immunology
- Purpura, Thrombocytopenic, Idiopathic/therapy
- Radiotherapy
- Red-Cell Aplasia, Pure/immunology
- Red-Cell Aplasia, Pure/therapy
- Splenectomy
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Affiliation(s)
- J H Ward
- Department of Internal Medicine, Huntsman Cancer Institute, University of Utah School of Medicine, 2000 Circle of Hope, Suite 2100, Salt Lake City, UT 84112-5550, USA
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82
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Van Den Neste E, Delannoy A, Feremans W, Ferrant A, Michaux L. Second primary tumors and immune phenomena after fludarabine or 2-chloro-2'-deoxyadenosine treatment. Leuk Lymphoma 2001; 40:541-50. [PMID: 11426527 DOI: 10.3109/10428190109097653] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The purine nucleoside analogs fludarabine and 2-chloro-2'-deoxyadenosine display substantial activity in the treatment of various chronic lymphoproliferative disorders. Their major toxicities are primarily immunosuppression and myelosuppression. The profound influence of these drugs on the immune system has raised questions as to the emergence of secondary neoplasms or auto-immune disorders after their use. Based on a literature review and on personal observations, this article reviews the potential clinical importance of these concerns.
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Affiliation(s)
- E Van Den Neste
- Department of Hematology, Cliniques universitaires Saint-Luc, Université catholique de Louvain, Brussels, Belgium.
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83
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Abstract
Chronic lymphocytic leukaemia (CLL) is a disease of late middle age and older. The majority of patients are diagnosed because of a lymphocytosis of at least 5 x 10(9)/L on an incidental blood count. It needs to be distinguished from mantle cell lymphoma and splenic marginal zone lymphoma by lymphocyte markers. The immunophenotype of CLL is sparse surface immunoglobulin, CD5+, CD19+, CD23+, CD79b-, and FMC7-. The disease is staged according to the presence of lymphadenopathy and/or splenomegaly and the features of bone marrow suppression. Most patients have an early stage of disease when diagnosed and perhaps 50% will never progress. This group of patients have a normal life expectancy and do not require treatment beyond reassurance. Progression involves an increasing white cell count, enlarging lymph nodes and spleen, anaemia and thrombocytopenia. Complications of progression include autoimmune haemolytic anaemia and thrombocytopenia, immunodeficiency, and the development of a more aggressive lymphoma. A range of prognostic factors is available to predict progression, but most haematologists rely on close observation of the patient. Intermittent chlorambucil remains the first choice treatment for the majority of patients. Combination chemotherapy offers no advantage. Intravenous fludarabine is probably more effective than chlorambucil, but no trial has yet shown a survival advantage for using it first rather than as a salvage treatment in patients not responding to chlorambucil. It is at least 40 times as expensive as chlorambucil. Cladribine may be as effective as fludarabine, although it has been used less and is even more expensive. Patients who relapse after chlorambucil should be offered retreatment with the same agent and if refractory should be switched to fludarabine, which may also be offered for retreatment on relapse. For patients refractory to both drugs, a variety of options are available. High dose corticosteroids, high dose chlorambucil, CHOP (cyclophosphamide, prednisolone, vincristine and doxorubicin), anti-CD52, anti-CD20 and a range of experimental drugs which are being evaluated in clinical trials. Younger patients should be offered the chance of treatment with curative intent, preferably in the context of a clinical trial. Autologous stem cell transplantation after achieving a remission with fludarabine has relative safety and may produce molecular complete remissions. Only time will tell whether some of these patients are cured but it seems unlikely. Standard allogeneic bone marrow transplant is probably too hazardous for most patients, but non-myeloablative regimens hold out the hope of invoking a graft-versus-leukaemia effect without a high tumour-related mortality. Trials of immunotherapy are exciting options for a few patients in specialised centres.
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Affiliation(s)
- T J Hamblin
- Department of Haematology, Royal Bournemouth Hospital, England.
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84
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Affiliation(s)
- T Hamblin
- Department of Haematology, Royal Bournemouth Hospital, Castle Lane East, Bournemouth BH7 7DW, UK.
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85
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Hamblin T. Historical aspects of chronic lymphocytic leukaemia. Br J Haematol 2000. [DOI: 10.1111/j.1365-2141.2000.02215.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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86
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Wajima T. Spontaneous regression of chronic lymphocytic leukemia and simultaneous development of autoimmune hemolytic anemia and autoimmune thrombocytopenia. Am J Hematol 2000; 65:88-9. [PMID: 10936875 DOI: 10.1002/1096-8652(200009)65:1<88::aid-ajh20>3.0.co;2-q] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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87
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Leach M, Parsons RM, Reilly JT, Winfield DA. Autoimmune thrombocytopenia: a complication of fludarabine therapy in lymphoproliferative disorders. CLINICAL AND LABORATORY HAEMATOLOGY 2000; 22:175-8. [PMID: 10931169 DOI: 10.1046/j.1365-2257.2000.00305.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We describe two cases of autoimmune thrombocytopenia precipitated by fludarabine therapy in patients with chronic lymphatic leukaemia. Both were treated with high dose steroids and initially responded with recovery of normal platelet counts. One patient developed recurrent autoimmune thrombocytopenia on two occasions following re-exposure to the drug when his disease had become refractory to all other treatments. A retrospective review of the case notes of 45 patients with lymphoproliferative disorders treated with fludarabine over the past 6 years indicated the development of autoimmune thrombocytopenia in 4.5% (two out of 45) and autoimmune haemolytic anaemia in 6.7% (three of the 45).
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Affiliation(s)
- M Leach
- Department of Haematology, Stobhill Hospital, Glasgow, UK.
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88
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Tiplady CW, Hamilton PJ, Galloway MJ. Acquired haemophilia complicating the remission of a patient with high grade non-Hodgkin's lymphoma treated by fludarabine. CLINICAL AND LABORATORY HAEMATOLOGY 2000; 22:163-5. [PMID: 10931166 DOI: 10.1046/j.1365-2257.2000.00308.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We report the development of a high titre antibody to factor VIII in a patient with previous high grade B cell non-Hodgkin's lymphoma treated with fludarabine. Unlike previous reports of factor VIII inhibitors and lymphoproliferative disease this patient's lymphoma was in remission. We speculate that the occurrence of the inhibitor is another manifestation of the increasingly recognized autoimmune side-effects of fludarabine.
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Affiliation(s)
- C W Tiplady
- Department of Haematology, Royal Victoria Infirmary, Newcastle Upon Tyne, UK.
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89
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Mainwaring CJ, Walewska R, Snowden J, Winfield DA, Ng JP, Chan-Lam D, Nolan B, Booker DJ, Stamps R, Sokol RJ. Fatal cold anti-i autoimmune haemolytic anaemia complicating hairy cell leukaemia. Br J Haematol 2000; 109:641-3. [PMID: 10886217 DOI: 10.1046/j.1365-2141.2000.02058.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Hairy cell leukaemia (HCL) is a rare lymphoproliferative disorder associated with pancytopenia, splenomegaly and the presence of typical hairy B lymphocytes in the bone marrow and/or peripheral blood. The most significant complication relates to opportunistic infections that arise as a consequence of neutropenia and monocytopenia. HCL is occasionally associated with systemic autoimmune disorders including polyarteritis nodosa and rheumatoid disease. Secondary autoimmune haemolytic anaemia (AIHA) appears to be rare. We report on two cases of HCL complicated by fatal cold anti-i AIHA. Fulminant haemolysis causing death is rare in cold AIHA and only a few individual cases have been reported, none having anti-i specificity.
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Affiliation(s)
- C J Mainwaring
- Department of Haematology, Royal Hallamshire Hospital NHS Trust, Sheffield, UK
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90
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Abstract
Fifty-two cases of autoimmune hemolytic anemia (AHA) were observed within a series of 1203 patients (4.3%) with chronic lymphocytic leukemia (CLL) followed at a single institution. Nineteen were observed at the time of CLL diagnosis and 33 during the clinical follow-up. Ninety percent of the patients with CLL/AHA showed active CLL and 25% had been treated previously. The antierythrocyte autoantibody (AeAb) was an IgG in 87% of cases and an IgM in 13%. A lymphocyte count more than 60 × 109/L (P < .00001), age above 65 years (P < .01), and male gender (P < .01) emerged as independent parameters that correlated significantly with an increased rate of AHA at CLL diagnosis. Patients previously treated with chlorambucil (CB) plus prednisone (PDN) and with fludarabine plus PDN showed a similar rate of AHA (1.8% and 2.5%, respectively). After steroid therapy associated with CB in case of active CLL, 70% of patients achieved the complete disappearance of the AeAb. The actuarial AHA relapse-free survival probability was 54% at 5 years and the median survival probability after AHA was 41 months. Infections represented the main cause of morbidity and mortality. IgG AHA and the occurrence of AHA at the same time of CLL diagnosis emerged as independent factors significantly correlated with a better survival probability of AHA/CLL patients. Taken together, this study indicates that in CLL, AHA is a rare event with no independent effect on survival for which steroids, associated with CB if required, and a careful management of infections may successfully control the 2 conditions. Cooperative studies are needed to better define the optimal steroid schedule and the therapeutic role of other immunosuppressive agents and splenectomy.
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91
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Caligaris-Cappio F. Biology of chronic lymphocytic leukemia. REVIEWS IN CLINICAL AND EXPERIMENTAL HEMATOLOGY 2000; 4:5-21. [PMID: 11491097 DOI: 10.1046/j.1468-0734.2000.00001.x] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
B-cell chronic lymphocytic leukemia (CLL) lies at the cross-roads of hematology, immunology and oncology for at least three major reasons: (a) it is the prototype of human malignancies that primarily involve defects in the induction of apoptosis; (b) CLL patients develop a severe immunodeficiency with progressive hypogammaglobulinemia; and (c) they have a high prevalence of autoimmune phenomena. Recent advances in the biology of the malignant cell in CLL lead to a scenario comprised of two basic elements: first, CLL cells are optimally organized to survive in their niches because their ability to undergo apoptosis is severely hampered; second, they have a microenvironment-dependence that promotes their extended survival, a situation that arises most probably through direct cell-to-cell contacts. In addition, CLL cells themselves are the major accessory cells in CLL, but are inefficient antigen-presenting cells. This latter defect may provide a clue to reinterpret the events of immunodeficiency and autoimmunity.
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MESH Headings
- Antigen-Presenting Cells/pathology
- Apoptosis/drug effects
- Apoptosis/immunology
- Cell Transformation, Neoplastic/genetics
- Cell Transformation, Neoplastic/immunology
- Cell Transformation, Neoplastic/pathology
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/etiology
- Leukemia, Lymphocytic, Chronic, B-Cell/immunology
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
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Affiliation(s)
- F Caligaris-Cappio
- Divisione Universitaria di Immunologia Clinica, Ospedale Mauriziano Umberto I, Dipartimento di Scienze Biomediche e Oncologia Umana, Università di Torino, Torino, Italy
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92
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Tetreault SA, Saven A. Delayed onset of autoimmune hemolytic anemia complicating cladribine therapy for Waldenström macroglobulinemia. Leuk Lymphoma 2000; 37:125-30. [PMID: 10721776 DOI: 10.3109/10428190009057635] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Therapeutic options for patients with Waldenström macroglobulinemia (WM) now include the purine nucleoside analogues, fludarabine and cladribine. Both these agents have been associated with the onset of severe life-threatening autoimmune hemolytic anemia (AIHA) in patients with chronic lymphocytic leukemia (CLL). In these reports, AIHA developed within 6 weeks of drug administration and was generally resistant to conventional therapy. AIHA following purine analogues has not been reported in other hematologic malignancies. We report here on 4 patients with WM who developed AIHA following cladribine therapy. Cladribine was administered as a 2-hour infusion at a dose of 0.12 mg/kg per day for 5 consecutive days, at 28-day intervals. The median number of cycles was four (range, 4 to 6). AIHA occurred at a median of 40 months (range, 24 to 60) from cladribine administration. Only 1 patient responded to oral steroids while the other 3 were resistant to multiple therapeutic interventions. Two patients, 1 in complete remission and 1 requiring transfusional support, remain alive, and 2 have died. In contrast to published reports of the early onset of AIHA occurring after purine analogues in CLL patients, we observed AIHA in WM patients as a delayed event.
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Affiliation(s)
- S A Tetreault
- Division of Hematology and Oncology, Ida M. and Cecil H. Green Cancer Center, Scripps Clinic, La Jolla, CA 92037, USA
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93
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Or R, Weiss L, Amir G, Tejman S, Polliack A. The prophylactic potential of fludarabine monophosphate in graft-versus-host disease after bone marrow transplantation in murine models. Bone Marrow Transplant 2000; 25:263-6. [PMID: 10673697 DOI: 10.1038/sj.bmt.1702107] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Fludarabine phosphate, a purine analogue currently used in the therapy of hematological malignancies, is known to cause immunosuppression and long-lasting T cell lymphopenia. In this study, the effect of fludarabine on murine graft-versus-host disease occurring after marrow transplantation across major and minor histocompatibility barriers was evaluated. Survival of (BALB/c x C57BL/6)F1 mice irradiated and transplanted across the major histocompatibility barrier with C57BL/6 spleen cells, and subsequently treated with fludarabine was significantly longer than that of the control animals (P < 0.0001). On the other hand, fludarabine had no effect on the graft-versus-host disease and survival of CBA mice transplanted by B10.BR and of BALB/c mice transplanted by B10.D2 spleen cells across the minor histocompatability barrier. The results indicate that in certain murine models, particularly a major mismatch, fludarabine has the potential to induce bilateral tolerance and stable chimerism after marrow transplantation. Bone Marrow Transplantation (2000) 25, 263-266.
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Affiliation(s)
- R Or
- Department of Bone Marrow Transplantation and Cancer Immunobiology Research Laboratory, Hadassah University Hospital and Hebrew University-Hadassah Medical School, Jerusalem, Israel
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94
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Abstract
Chronic lymphocytic leukaemia (CLL) is the most common form of adult leukaemia in Western countries. The diagnosis requires mature-appearing lymphocytes in the peripheral blood to >5 x 10(9)/L. The immunophenotype typically includes B cell antigens CD19, CD20 and CD23, low expression of surface immunoglobulin and CD5+, with other T cell antigens absent. Bone marrow biopsy, although not required for diagnosis, must show at least 30% lymphocytes. Cytogenetic abnormalities are frequent in patients with CLL, and may be associated with poor prognosis. Clinically, most patients are asymptomatic at presentation, with incidental lymphadenopathy and/or hepatosplenomegaly in the routine physical examination. Infections by opportunistic pathogens are the major cause of death. Aggressive transformation occurs in 10% of patients with CLL, most commonly prolymphocytic leukaemia (PLL) and Richter's syndrome. PLL de novo must be differentiated from PLL of an aggressive transformation. The incidences of autoimmune diseases and solid or haemopoietic secondary malignancies are increased in patients with CLL. Clinical stage is the strongest prognostic factor in CLL. There is no indication for early intervention. The current recommendation to start treatment includes disease-related symptoms, massive and/or progressive hepatosplenomegaly or lymphadenopathy, increasing bone marrow failure, autoimmune disease, and recurrent infections. Alkylating agents (e.g. chlorambucil) and nucleoside analogues (e.g. fludarabine) are the most active agents for CLL. Fludarabine induces higher response rates, but no improvement in overall survival has been observed. Fludarabine is the drug of choice for the majority of patients with CLL. Chlorambucil may be helpful for elderly patients with poor performance, and for patients who do not tolerate fludarabine. No drug combination is better than single agents. For patients refractory to initial treatment, referral to a clinical trial is the best choice. Other salvage therapy includes retreatment with the same initial agent (chlorambucil or fludarabine) if initial response was observed, or fludarabine for patients refractory to chlorambucil. Promising new approaches include cycle-active agents, nelarabine, biological therapy such as anti-CD52 monoclonal antibody, bone marrow transplantation, including the use of submyeloablative preparative regimens ('minitransplant') to induce graft-versus-leukaemia effect, and gene therapy. Prophylactic antibacterials and intravenous immunoglobulin should not be used routinely during supportive care. Epoetin may be helpful for patients who have anaemia without obvious cause. Assessment of response to therapy in CLL has been updated by the National Cancer Institute Working Group, and these guidelines are used worldwide for clinical trials.
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MESH Headings
- Animals
- Antineoplastic Agents/therapeutic use
- Combined Modality Therapy
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Leukemia, Lymphocytic, Chronic, B-Cell/therapy
- Leukemia, Prolymphocytic/drug therapy
- Leukemia, Prolymphocytic/therapy
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Affiliation(s)
- N Kalil
- National Cancer Institute, Bethesda, Maryland 20892, USA
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95
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Bosanquet AG, Johnson SA, Richards SM. Prognosis for fludarabine therapy of chronic lymphocytic leukaemia based on ex vivo drug response by DiSC assay. Br J Haematol 1999; 106:71-7. [PMID: 10444165 DOI: 10.1046/j.1365-2141.1999.01516.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The cytotoxic antimetabolite fludarabine is a widely used active agent in chronic lymphocytic leukaemia (CLL). However, cost and occasional adverse side-effects necessitate careful use. Identifying before treatment patients not likely to benefit from fludarabine could advance disease management both clinically and financially. We used the DiSC (differential staining cytotoxicity) assay, an ex vivo apoptotic drug response test, to identify the sensitivity or resistance to fludarabine of lymphocytes from B-cell CLL patients and compared the results with subsequent patient treatment, response and survival. Patients were grouped thus: those receiving fludarabine within 1 year of assay (+/- other cytotoxic drugs), and those receiving other chemotherapy (excluding fludarabine) within 1 year of assay. Fludarabine-test-resistance was found in 12/100 (12%) of untreated patients and 45/143 (31%) of previously treated patients (17/32 (53%) of patients previously treated with fludarabine). Treating fludarabine-test-resistant patients with fludarabine resulted in poor response compared with fludarabine-test-sensitive patients (7% v 69%) and short survival (median 7.9 v 41.7 months; relative risk (RR) = 14.8; P < 0.0001). 81% of fludarabine-test-resistant patients were test sensitive to other regimens. If treated with chemotherapy other than fludarabine, test-resistant patients responded better and survived substantially longer than those treated with fludarabine (RR = 2.9; P = 0.001). Not all CLL patients should receive fludarabine. Fludarabine-test-resistance by DiSC assay is a powerful independent prognostic factor. Pretreatment DiSC assay results could enable the toxic, clinical and financial costs of fludarabine treatment to be avoided in fludarabine-test-resistant patients. Disease management, response, survival and use of financial resources might be significantly improved if therapy choice in CLL patients was guided by DiSC assay.
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Affiliation(s)
- A G Bosanquet
- Bath Cancer Research Unit, School of Postgraduate Medicine, University of Bath, Royal United Hospital, Bath.
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96
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Aractingi S, Bachmeyer C, Prost C, Caux F, Flageul B, Fermand JP. Subepidermal autoimmune bullous skin diseases associated with B-cell lymphoproliferative disorders. Medicine (Baltimore) 1999; 78:228-35. [PMID: 10424205 DOI: 10.1097/00005792-199907000-00003] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
The development of several types of autoimmune disorders is well known in the course of B-cell lymphoproliferative diseases. In order to investigate whether these autoimmune diseases may target cutaneous antigens, especially those of the dermal-epidermal junction, we conducted a retrospective analysis of all cutaneous direct immunofluorescence studies performed in patients with B-cell neoplasia who presented with cutaneous lesions requiring a skin biopsy. Patients with linear deposits of immunoglobulin or C3 molecules at the dermal-epidermal junction were studied further, using immunoblotting and immunoelectron microscopy. Patients with no overt hematologic malignancies but with cutaneous lesions requiring direct immunofluorescence were studied as a control population. During the study period, the diagnosis of autoimmune blistering diseases of the dermal-epidermal junction was established in 9/102 (8.9% +/- 2%) patients with a B-cell lymphoid disorder, compared with 288/8,189 (3.5% +/- 0.04%) patients without underlying hemopathy (p < 0.01). Among the 9 patients, 7 were studied in detail. Immunologic studies demonstrated epidermolysis bullosa acquisita in 6 patients and cicatricial pemphigoid in 1. Autoimmune blistering diseases, especially epidermolysis bullosa acquisita, are part of the spectrum of autoimmune disorders associated with B-cell neoplasia.
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Affiliation(s)
- S Aractingi
- Unité de Dermatologie, Hôpital Tenon, Paris, France.
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97
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Caligaris-Cappio F, Hamblin TJ. B-cell chronic lymphocytic leukemia: a bird of a different feather. J Clin Oncol 1999; 17:399-408. [PMID: 10458259 DOI: 10.1200/jco.1999.17.1.399] [Citation(s) in RCA: 308] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To review the recent major advances in the molecular and cell biology of B-cell chronic lymphocytic leukemia (B-CLL). METHODS We analyzed the nature of malignant B-CLL B cells and their interactions with the microenvironment. RESULTS B-CLL is a malignancy of a mantle zone-based subpopulation of anergic, self-reactive, activated CD5+ B cells devoted to the production of polyreactive natural autoantibodies. It is the quintessential example of a human malignancy that primarily involves defects in the induction of programmed cell death. An abnormal karyotype is observed in about 50% of patients with B-CLL. Patients with 13q14 abnormalities show heavy somatic mutation and have a benign disease. Trisomy 12 is associated with unmutated VH genes, atypical cellular morphology, and progressive disease. Extended cell survival is further shielded by a kinetic refractoriness likely promoted by abnormalities of the B-cell antigen receptor complex and favored by some cytokines that highlight a reciprocal dialog between malignant B and T cells. Because the tumor cells act as the major accessory cells, the accumulating malignant B-cell population per se is a hurdle to the production of normal antibodies and leads to a progressive and severe hypogammaglobulinemia. Conceivably, in the presence of certain immunoglobulin genes and when the T-cell control becomes deficient, activated malignant B cells may become able to present self-antigens and drive residual normal B cells to produce polyclonal autoantibodies restricted to self-antigens expressed only by blood cells and cause autoimmune cytopenias. CONCLUSION The distinctiveness of B-CLL B cells explains why B-CLL is different from other B-cell tumors and accounts for the development of immune deficiency and autoimmunity.
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Affiliation(s)
- F Caligaris-Cappio
- Dipartimento di Scienze Biomediche e Oncologia Umana, Università di Torino, Ospedale Mauriziano Umberto I, Italy.
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98
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Johnson SA, Catovsky D, Child JA, Newland AC, Milligan DW, Janmohamed R. Phase I/II evaluation of pentostatin (2'-deoxycoformycin) in a five day schedule for the treatment of relapsed/refractory B-cell chronic lymphocytic leukaemia. Invest New Drugs 1998; 16:155-60. [PMID: 9848579 DOI: 10.1023/a:1006100900082] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The purpose of this study was to determine the efficacy and toxicity of pentostatin (2'-deoxycoformycin) administered in a five day schedule every 28 days to patients with B-cell chronic lymphocytic leukaemia (B-CLL) relapsed from or refractory to at least one line of prior chemotherapy. The initial dose level of 2 mg/m2/day was adjusted up or down by 0.5 mg/m2 in subsequent cycles on the basis of haematological and non-haematological toxicities. The five day schedule was selected because published pharmacokinetic studies had indicated that although pentostatin had an elimination half-life of approximately six hours and could inhibit plasma adenosine deaminase activity for 24 hours, recovery of enzyme activity rapidly took place and accumulation of dATP which has a toxic effect on non-replicating lymphoid cells could be increased by repeated dosing. Twenty-nine patients were entered into the study and dose-escalation was possible in nine, while dose reductions were required for five patients. Of the 24 patients evaluable for response, complete responses were achieved in two and partial responses in five for an overall response rate of 29.2%. Toxicity consisted of myelosuppression, infection, nausea and vomiting and hepatotoxicity but was experienced at acceptable levels considering the heavily pre-treated nature of the patient population. Pentostatin in this schedule has salvage activity in previously treated or resistant patients with B-CLL.
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Affiliation(s)
- S A Johnson
- Taunton & Somerset Hospital, Taunton, United Kingdom
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99
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Taha HM, Narasihman P, Venkatesh L, Cawley M, Kaplan B. Fludarabine-related hemolytic anemia in chronic lymphocytic leukemia and lymphoproliferative disorders. Am J Hematol 1998; 59:316. [PMID: 9840913 DOI: 10.1002/(sici)1096-8652(199812)59:4<316::aid-ajh8>3.0.co;2-g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
MESH Headings
- Aged
- Anemia, Hemolytic/chemically induced
- Anemia, Hemolytic/drug therapy
- Anemia, Hemolytic/epidemiology
- Antimetabolites, Antineoplastic/adverse effects
- Antimetabolites, Antineoplastic/therapeutic use
- Humans
- Immunosuppressive Agents/therapeutic use
- Incidence
- Infection Control
- Leukemia, Lymphocytic, Chronic, B-Cell/complications
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Lymphoma, Non-Hodgkin/complications
- Lymphoma, Non-Hodgkin/drug therapy
- Middle Aged
- Prednisone/therapeutic use
- Retrospective Studies
- Vidarabine/adverse effects
- Vidarabine/analogs & derivatives
- Vidarabine/therapeutic use
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100
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Jacobs P. Myelodysplasia and the leukemias. Curr Probl Cancer 1998. [DOI: 10.1016/s0147-0272(98)90001-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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