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Xu Y, Fahrbach K, Dorman E, Baculea S, Côté S, Sanden SV, Diels J. Front-line treatment of patients with chronic lymphocytic leukemia: a systematic review and network meta-analysis. J Comp Eff Res 2018; 7:421-441. [DOI: 10.2217/cer-2017-0086] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: A systematic literature review and network meta-analysis were conducted to determine the relative efficacy and safety of interventions for treatment-naive chronic lymphocytic leukemia patients, as comparative evidence is scarce. Materials & methods: Relative treatment effects of progression-free survival, overall survival and safety outcomes were estimated via network meta-analysis based on data identified via systematic literature review. Results: Ibrutinib was superior in all pairwise comparisons for progression-free survival (probability to be better [P] range: overall population: 69–100%; fludarabine-ineligible population: 69–100%) and overall survival (P range: overall: 89–100%; fludarabine-ineligible: 91–100%) and had the highest probability of being best for all outcomes. Conclusion: Ibrutinib provides superior benefit in survival and safety compared with other front-line treatments of chronic lymphocytic leukemia.
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2
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iwCLL guidelines for diagnosis, indications for treatment, response assessment, and supportive management of CLL. Blood 2018. [PMID: 29540348 DOI: 10.1182/blood-2017-09-806398] [Citation(s) in RCA: 948] [Impact Index Per Article: 158.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The previous edition of the consensus guidelines of the International Workshop on Chronic Lymphocytic Leukemia (iwCLL), published in 2008, has found broad acceptance by physicians and investigators caring for patients with CLL. Recent advances including the discovery of the genomic landscape of the disease, the development of genetic tests with prognostic relevance, and the detection of minimal residual disease (MRD), coupled with the increased availability of novel targeted agents with impressive efficacy, prompted an international panel to provide updated evidence- and expert opinion-based recommendations. These recommendations include a revised version of the iwCLL response criteria, an update on the use of MRD status for clinical evaluation, and recommendations regarding the assessment and prophylaxis of viral diseases during management of CLL.
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García-Marco JA, Delgado J, Hernández-Rivas JA, Ramírez Payer Á, Loscertales Pueyo J, Jarque I, Abrisqueta P, Giraldo P, Martínez R, Yáñez L, Terol MJ, González M, Bosch F. Update of the Grupo Español de Leucemia Linfocítica Crónica clinical guidelines of the management of chronic lymphocytic leukemia. Med Clin (Barc) 2017; 148:381.e1-381.e9. [PMID: 28236475 DOI: 10.1016/j.medcli.2016.12.030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Revised: 12/20/2016] [Accepted: 12/22/2016] [Indexed: 11/16/2022]
Abstract
BACKGROUND AND OBJECTIVE The broad therapeutic arsenal and the biological heterogeneity of patients with chronic lymphocytic leukemia (CLL) makes it difficult to standardize treatment for CLL patients with specific clinical settings in routine clinical practice. These considerations prompted us to elaborate the present consensus document, which constitutes an update of the previous version published in 2013, mainly focusing on novel treatment strategies that have been developed over last 5 years, namely B-cell receptor inhibitors (ibrutinib and idelalisib), anti-CD20 monoclonal antibodies (ofatumumab and obinutuzumab), and Bcl-2 inhibitors (venetoclax). MATERIAL AND METHODS A group of experts from the Spanish Chronic Lymphocytic Leukemia Group reviewed all published literature from January 2010 to January 2016, in order to provide recommendations based on clinical evidence. For those areas without strong scientific evidence, the panel of experts established consensus criteria based on their clinical experience. RESULTS The project has resulted in several practical recommendations that will facilitate the diagnosis, treatment, and follow-up of patients with CLL. CONCLUSIONS There are many controversial issues in the management of CLL with no appropriate studies for making consensus recommendations.
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Affiliation(s)
- José A García-Marco
- Servicio de Hematología, Hospital Universitario Puerta de Hierro, Majadahonda, Madrid, España.
| | - Julio Delgado
- Servicio de Hematología, Hospital Clínic i Provincial, Barcelona, España
| | | | - Ángel Ramírez Payer
- Servicio de Hematología, Hospital Universitario Central de Asturias, Oviedo, Asturias, España
| | | | - Isidro Jarque
- Servicio de Hematología, Hospital Universitario y Politécnico La Fe, Valencia, España
| | - Pau Abrisqueta
- Servicio de Hematología, Hospital Universitario Vall d'Hebron, Barcelona, España
| | - Pilar Giraldo
- Servicio de Hematología, Hospital Universitario Miguel Servet, Zaragoza, España
| | - Rafael Martínez
- Servicio de Hematología, Hospital Clínico Universitario San Carlos, Madrid, España
| | - Lucrecia Yáñez
- Servicio de Hematología, Hospital Universitario Marqués de Valdecilla, Santander, España
| | - Mª José Terol
- Servicio de Hematología, Hospital Clínico Universitario, Valencia, España
| | - Marcos González
- Servicio de Hematología, Hospital Clínico Universitario-Instituto de Investigación Biomédica de Salamanca (IBSAL), Salamanca, España
| | - Francesc Bosch
- Servicio de Hematología, Hospital Universitario Vall d'Hebron, Barcelona, España
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Vidal L, Gurion R, Ram R, Raanani P, Bairey O, Robak T, Gafter-Gvili A, Shpilberg O. Chlorambucil for the treatment of patients with chronic lymphocytic leukemia (CLL) – a systematic review and meta-analysis of randomized trials. Leuk Lymphoma 2016; 57:2047-57. [DOI: 10.3109/10428194.2016.1154956] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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5
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Orvain C, Ducancelle A, Eymerit-Morin C, Rousselet MC, Oberti F, Hunault-Berger M, Tanguy-Schmidt A. Severe viral hepatitis in a patient with chronic lymphocytic leukemia (CLL) complicated with autoimmune hemolytic anemia (AIHA), treated with steroids. J Clin Virol 2014; 62:66-8. [PMID: 25542474 DOI: 10.1016/j.jcv.2014.11.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2014] [Revised: 11/06/2014] [Accepted: 11/08/2014] [Indexed: 10/24/2022]
Abstract
Infectious complications are a major cause of morbidity and mortality in patients with chronic lymphocytic leukemia (CLL) due to impaired immunity secondary to the disease itself and to the immunosuppressive therapies administered to these patients. We report a 78-year-old woman with CLL who was treated with steroids for autoimmune hemolytic anemia (AIHA). A few weeks later, she was admitted for severe acute hepatitis with disseminated intravascular coagulation (DIC). Despite the symptomatic treatment of DIC, standard reanimation and probabilistic antibiotics, the patient died within 24h with severe hepatic failure. Autopsy was in favor of a disseminated viral infection with esophageal, hepatic and pulmonary cytopathologic lesions with acidophilic intranuclear inclusions suggestive of herpes virus, even though HSV 1 and 2, CMV and HHV6 PCRs were negative. This case of severe viral hepatitis with esophagitis occurring three weeks after the introduction of high-dose steroid treatment for AIHA in a CLL patient calls for anti-herpetic prophylaxis in such patients, immunodepressed by their diseases and the treatment they receive.
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Affiliation(s)
| | | | | | | | - Frederic Oberti
- CHU Angers, Service d'hépato-gastroentérologie, Angers, France
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6
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García Marco JA, Giraldo Castellano P, López Jiménez J, Ríos Herranz E, Sastre Moral JL, Terol Casterá MJ, Bosch Albareda F. [National guidelines for the management of patients with chronic lymphocytic leukemia. Sociedad Espan˜ola de Hematologı´a y Hemoterapia and Grupo Espan˜ol de Leucemia Linfocı´tica Cro´ nica]. Med Clin (Barc) 2013; 141:175.e1-8. [PMID: 23830547 DOI: 10.1016/j.medcli.2013.04.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Revised: 04/23/2013] [Accepted: 04/25/2013] [Indexed: 12/21/2022]
Abstract
Chronic lymphocytic leukemia is the most common chronic lymphoproliferative disorder in Spain. The clinical management of this entity varies widely. Currently, in Spain, there are no national consensus guidelines, such as those published in other countries, to guide the diagnosis and treatment of this malignancy and the use of prognostic scores. This article reviews the current scientific literature and addresses issues on the diagnosis of chronic lymphocytic leukemia, the spread of the disease, the presence of comorbidities, the classification of prognostic scores, the common treatment regimens stratified by risk factors, and the management of complications associated with both the disease and its treatment, as well as the various controversies related to this entity. This document was drafted with the collaboration of national experts and aims to establish practical guidelines with their corresponding levels of evidence and grades of recommendation to guide the diagnosis, treatment and follow-up of patients with chronic lymphocytic leukemia.
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Affiliation(s)
- José A García Marco
- Servicio de Hematología, Hospital Puerta de Hierro, Majadahonda, Madrid, España
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7
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Outcomes in critically ill chronic lymphocytic leukemia patients. Support Care Cancer 2013; 21:1885-91. [PMID: 23411999 DOI: 10.1007/s00520-013-1744-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Accepted: 02/04/2013] [Indexed: 10/27/2022]
Abstract
BACKGROUND Although recent studies have demonstrated an improvement in the prognosis of critically ill cancer patients, little is known regarding the prognosis of patients with non-aggressive underlying malignancies. The aims of this study were to assess the prognosis of critically ill patients with chronic lymphocytic leukemia (CLL) and to evaluate risk factors for hospital mortality. METHODS In retrospective mono-center cohort study, consecutive adult patients with CLL requiring ICU admission from 1997 to 2008 were included. RESULTS Sixty-two patients of 67 years (62-75) were included. Median time interval between CLL diagnosis and ICU admission was 6.7 years (2.6-10.8). Nine patients (15 %) had stage C disease at the time of ICU admission, and seven patients (11 %) had Richter syndrome. Most ICU admissions were related to bacterial or fungal pulmonary infections (n = 47; 76 %). ICU, in-hospital, and 90-day mortality were 35 % (n = 22), 42 % (n = 26), and 58 % (n = 36), respectively. Only three factors were independently associated with in-hospital mortality: oxygen saturation lower than 95 % when breathing room air (odds ratio (OR) 5.80; 95 % confidence interval (CI) 1.23-27.33), need for vasopressors (OR 27.94; 95 % CI 5.37-145.4), and past history of infection (OR 6.62; 95 % CI 1.34-32.68). The final model did not change when disease-related variables (Binet classification, Richter syndrome, long-term steroids) or treatment-related variables (fludarabine, rituximab, or alemtuzumab) were included. CONCLUSION Acute pulmonary infections remain the leading cause of ICU admission in patients with CLL. The severity at ICU admission and past history of infection were the only factors associated with hospital mortality. Neither disease characteristics nor previous cancer treatments were associated with outcome.
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Oscier D, Dearden C, Eren E, Erem E, Fegan C, Follows G, Hillmen P, Illidge T, Matutes E, Milligan DW, Pettitt A, Schuh A, Wimperis J. Guidelines on the diagnosis, investigation and management of chronic lymphocytic leukaemia. Br J Haematol 2012; 159:541-64. [PMID: 23057493 DOI: 10.1111/bjh.12067] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Abstract
Chronic lymphocytic leukemia (CLL) is typically a disease of older individuals. Yet most of the literature on various chemotherapeutic regimens includes patients who are 10 to 15 years younger than the median age at diagnosis of this disease. The older patient population is grossly underrepresented in clinical trials. Currently available therapies are often too toxic for this older patient population, so their efficacy is reduced. This review discusses some of the results of treatment in older patients with CLL. A discussion of factors that often affect outcome, such as comorbidities, renal function, bone marrow reserve, and infection, are also reviewed, along with quality of life.
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Affiliation(s)
- Nicole Lamanna
- Memorial Sloan-Kettering Cancer Center, Leukemia Service, 1275 York Avenue, New York, NY 10033, USA.
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Smolej L. How I treat elderly or comorbid patients with chronic lymphocytic leukemia. ACTA MEDICA (HRADEC KRÁLOVÉ) 2011; 53:213-20. [PMID: 21400979 DOI: 10.14712/18059694.2016.79] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Treatment of chronic lymphocytic leukemia (CLL) has recently undergone several major changes. Most importantly, large randomized trials (CLL-8 in first line and REACH in relapse) clearly demonstrated superiority of chemoimmunotherapy consisting of fludarabine, cyclophosphamide and rituximab (FCR) over fludarabine and cyclophosphamide (FC) alone, thus establishing FCR regimen as the new gold standard in younger and physically fit patients. However, management of elderly and/or comorbid patients is still a challenging task because they cannot be treated with agressive approaches due to high risk of unacceptable toxicity. To date, no randomized trials in this patient population have improved therapeutic results over chlorambucil; therefore, this agent remains the backbone of treatment against which the new protocols should be tested. When deciding about the intensity of treatment, performance status, biological age and number as well as severity of comorbidities should be taken into account. Emerging treatment concepts for elderly/comorbid patients include combination of chlorambucil with monoclonal antibodies (rituximab, ofatumumab, GA-101), fludarabine-based regimens in reduced doses or protocols based on bendamustine and lenalidomide. Combination of high-dose steroids with rituximab represent a promising option in relapsed/refractory CLL; however, infectious toxicity remains a serious issue. Finally, ofatumumab monotherapy appears to be a safe and effective therapy for heavily pretreated patients with CLL. This article reviews the current and future possibilities in the treatment of elderly and comorbid patients with CLL.
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Affiliation(s)
- Lukás Smolej
- 2nd Department of Medicine, Charles University in Prague, Faculty of Medicine and University Hospital Hradec Králové, Czech Republic.
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11
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Morrison VA. Infectious complications of chronic lymphocytic leukaemia: pathogenesis, spectrum of infection, preventive approaches. Best Pract Res Clin Haematol 2011; 23:145-53. [PMID: 20620978 DOI: 10.1016/j.beha.2009.12.004] [Citation(s) in RCA: 124] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Infectious complications continue to be a major cause of morbidity and mortality in patients with chronic lymphocytic leukaemia (CLL). The pathogenesis of infections in these patients is multifactorial, related to inherent immune defects and therapy-related immunosuppression. Hypogammaglobulinaemia is an important predisposing factor for infection in all patients. The use of the purine analogues such as fludarabine, and monoclonal antibodies such as rituximab and alemtuzumab, has introduced a new spectrum of infectious complications caused by pathogens such as Pneumocystis, Listeria, mycobacteria, herpesviruses Candida and Aspergillus, related to the cellular immune suppression induced by these agents. This review focuses on the pathogenesis and risk factors for infections in patients with CLL, the spectrum of infectious complications and preventive approaches to infection in these patients, using antimicrobial and immunoglobulin prophylaxis and vaccination strategies.
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Affiliation(s)
- Vicki A Morrison
- University of Minnesota, Staff Physician, Sections of Hematology/Oncology & Infectious Disease, VAMC, One Veterans Dr, Minneapolis, MN 55417, USA.
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12
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Janssens A, Boogaerts M, Verhoef G. Development of fludarabine formulations in the treatment of chronic lymphocytic leukemia. DRUG DESIGN DEVELOPMENT AND THERAPY 2009; 3:241-52. [PMID: 20054443 PMCID: PMC2802124 DOI: 10.2147/dddt.s5603] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Fludarabine is an antineoplastic agent used in the treatment of hematological malignancies, particularly chronic lymphocytic leukemia (CLL) and indolent B-cell lymphoma. Because of its immunosuppressive effects, fludarabine has been added to reduced intensity conditioning regimens. The oral formulation of fludarabine has become widely available. Pharmacokinetic studies have shown that an oral dose of 40 mg/m2/d would provide systemic drug exposure similar to the standard intravenous (IV) dose of 25 mg/m2/d. The oral dose can be taken once daily without any dietary restrictions. Dose adjustments are mandatory in patients with renal impairment to avoid increased toxicity. Several noncomparative trials in previously untreated and treated patients with CLL have shown that treatment with the oral formulation demonstrates similar efficacy compared to historical control groups treated with the IV formulation. The tolerability profile of oral fludarabine seems similar to that of the IV formulation. Myelosuppression and infectious complications are the most frequently reported adverse events. Gastrointestinal toxicity is more frequent with the oral formulation, but is usually of mild or moderate severity. Although oral fludarabine makes treatment more convenient, health care workers must be aware of the compliance behavior of each patient.
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Affiliation(s)
- Ann Janssens
- Department of Hematology, University Hospitals Leuven, Campus Gasthuisberg, Leuven, Belgium.
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13
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Eichhorst B, Goede V, Hallek M. Treatment of elderly patients with chronic lymphocytic leukemia. Leuk Lymphoma 2009; 50:171-8. [PMID: 19197731 DOI: 10.1080/10428190802688517] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Chronic lymphocytic leukemia (CLL) is dramatically increased in patients above the age of 65 years up to an incidence rate of 22-30/100 000. Although elderly patients represent the largest group of CLL patients they are clearly underrepresented in clinical trials. One important prognostic factor in the elderly is the burden of comorbidity. Survival is significantly impaired in CLL patients with multiple comorbidities (>or=2) or with severe comorbidity (Charlson score >or=2). Therefore, not only age but also the incidence and burden of comorbidity should influence the choice of treatment strategy for every patient individually. A reliable tool for measuring comorbidity is the Cumulative Illness Rating Scale. The German CLL Study Group (GCLLSG) has used this tool within their clinical trials to distinguish between physically fit and non-fit patients. Although chlorambucil is still the standard treatment of choice in non-fit patients, dose-reduced purine analogue-based combination therapies with or without immunotherapy are currently investigated within clinical trials. Because full-dosed combination treatment might cause increased toxicity rates in relapse situation, dose-reduced combination therapies should be considered in this situation. An adequate supportive treatment is necessary for the prevention of toxicities as well as for the improvement of health-related quality of life. In summary, the treatment decision in elderly CLL patients is carefully to be made in each patient individually considering not only the stage and risk factors of the disease but also the patients' physical condition and social environment.
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Affiliation(s)
- Barbara Eichhorst
- Department I of Internal Medicine, Center of Integrated Oncology Köln Bonn, University of Cologne, Cologne, Germany.
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14
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Forconi F, Fabbri A, Lenoci M, Sozzi E, Gozzetti A, Tassi M, Raspadori D, Lauria F. Low-dose oral fludarabine plus cyclophosphamide in elderly patients with untreated and relapsed or refractory chronic lymphocytic Leukaemia. Hematol Oncol 2008; 26:247-51. [DOI: 10.1002/hon.868] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Cazin B, Divine M, Leprêtre S, Travade P, Tournilhac O, Delmer A, Jaubert J, Feugier P, Dreyfus B, Mahé B, Grosbois B, Maloisel F, Eghbali H, Dumontet C, Bénichou J, Guibon O, Leleu X, Leporrier M, Maloum K. High efficacy with five days schedule of oral fludarabine phosphate and cyclophosphamide in patients with previously untreated chronic lymphocytic leukaemia. Br J Haematol 2008; 143:54-9. [PMID: 18710390 DOI: 10.1111/j.1365-2141.2008.07309.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
A multicentre single-arm study testing the efficacy and toxicity of the oral combination of fludarabine and cyclophosphamide (FC) over 5 d in 75 patients with untreated B cell-chronic lymphocytic leukaemia. Oral FC demonstrated high efficacy with overall (OR) and complete response (CR) rates of 80% and 53%, respectively. Out of the 30 CR patients studied for Minimal Residual Disease (MRD) using 4-colour flow-cytometry and the 22 using Clonospecific polymerase chain reaction, 22 (66%) and 16 (68%), respectively, were MRD negative. Median survival and median treatment-free interval had not been reached at 7 years of follow-up. Median progression-free survival (PFS) was 5 years. Toxicity was acceptable, with 52% and 16% of National Cancer Institute grade 3/4 neutropenia and infections, respectively. Gastrointestinal toxicity was mild. Oral FC demonstrated a high efficacy and an acceptable safety profile and may be considered as the standard first line treatment in chronic lymphocytic leukaemia.
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Affiliation(s)
- Bruno Cazin
- Department of Haematology, Claude Huriez University Hospital, Lille, France.
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Elter T, Vehreschild JJ, Gribben J, Cornely OA, Engert A, Hallek M. Management of infections in patients with chronic lymphocytic leukemia treated with alemtuzumab. Ann Hematol 2008; 88:121-32. [PMID: 18682948 DOI: 10.1007/s00277-008-0566-9] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2008] [Accepted: 04/29/2008] [Indexed: 12/16/2022]
Abstract
Infection is a significant cause of morbidity and death in patients with chronic lymphocytic leukemia (CLL). Increased infectious events may arise from the multiple courses of immunosuppressive therapy and progressive deterioration of a patient's immune system over the course of disease. The humanized, anti-CD52 monoclonal antibody alemtuzumab (Campath or Campath-1H) has shown notable activity for both untreated and fludarabine-refractory CLL. The antibody not only targets malignant cells but also affects normal, healthy immune cells. The cumulative effects of the malignancy and successive courses of treatments adversely impinge on a patient's defense response to certain bacterial, fungal, and viral infections. In this review article, we provide an overview of common infectious events associated with alemtuzumab therapy in CLL. We also discuss recommendations for effectively monitoring and managing infections in CLL patients.
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MESH Headings
- Alemtuzumab
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal, Humanized
- Antibodies, Neoplasm/therapeutic use
- Humans
- Immunotherapy
- Infections/complications
- Infections/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/complications
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/immunology
- Recurrence
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Affiliation(s)
- Thomas Elter
- Department of Hematology, Oncology and Infectious Diseases, University of Cologne, Cologne, Germany.
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Hallek M, Cheson BD, Catovsky D, Caligaris-Cappio F, Dighiero G, Döhner H, Hillmen P, Keating MJ, Montserrat E, Rai KR, Kipps TJ. Guidelines for the diagnosis and treatment of chronic lymphocytic leukemia: a report from the International Workshop on Chronic Lymphocytic Leukemia updating the National Cancer Institute-Working Group 1996 guidelines. Blood 2008; 111:5446-56. [PMID: 18216293 PMCID: PMC2972576 DOI: 10.1182/blood-2007-06-093906] [Citation(s) in RCA: 2425] [Impact Index Per Article: 151.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2007] [Accepted: 12/15/2007] [Indexed: 01/06/2023] Open
Abstract
Standardized criteria for diagnosis and response assessment are needed to interpret and compare clinical trials and for approval of new therapeutic agents by regulatory agencies. Therefore, a National Cancer Institute-sponsored Working Group (NCI-WG) on chronic lymphocytic leukemia (CLL) published guidelines for the design and conduct of clinical trials for patients with CLL in 1988, which were updated in 1996. During the past decade, considerable progress has been achieved in defining new prognostic markers, diagnostic parameters, and treatment options. This prompted the International Workshop on Chronic Lymphocytic Leukemia (IWCLL) to provide updated recommendations for the management of CLL in clinical trials and general practice.
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Affiliation(s)
- Michael Hallek
- Klinik I für Innere Medizin, Universität zu Köln, Köln, Germany.
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18
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Current Awareness in Hematological Oncology. Hematol Oncol 2007. [DOI: 10.1002/hon.798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Morrison VA. Management of infectious complications in patients with chronic lymphocytic leukemia. HEMATOLOGY. AMERICAN SOCIETY OF HEMATOLOGY. EDUCATION PROGRAM 2007; 2007:332-338. [PMID: 18024648 DOI: 10.1182/asheducation-2007.1.332] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Infections remain a major cause of morbidity and mortality in patients with chronic lymphocytic leukemia (CLL). The pathogenesis of these complications is related to immune defects inherent to the primary disease as well as to therapy-related immunosuppression. The spectrum of infections seen has evolved with the therapeutic use of purine analogs, which induce specific cellular immune defects, as well as the monoclonal antibodies alemtuzumab and rituximab. Although bacterial infections are most common, fungal and herpesvirus infections are also seen with use of these agents. This overview will summarize the pathogenesis of infection in patients with CLL as well as the spectrum of infection and approaches to the prophylactic and therapeutic management of these complications.
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Affiliation(s)
- Vicki A Morrison
- Section of Hematology/Oncology & Infectious Disease (111E), VA Medical Center, One Veterans Dr., Minneapolis MN 55417, USA.
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