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2.
Br J Cancer ; 124(11): 1795-1802, 2021 May.
Artigo em Inglês | MEDLINE | ID: mdl-33762716

RESUMO

BACKGROUND: Preoperative chemotherapy containing anthracyclines and taxanes is well established in early-stage breast cancer. Previous studies have suggested that the chemotherapy sequence may matter but definitive evidence is missing. ABCSG trial 34 evaluated the activity of the MUC1 vaccine tecemotide when added to neoadjuvant treatment; the study provided the opportunity for the second randomisation to compare two different anthracycline/taxane sequences. METHODS: HER2-negative early-stage breast cancer patients were recruited to this randomised multicentre Phase 2 study. Patients in the chemotherapy cohort (n = 311) were additionally randomised to a conventional or reversed sequence of epirubicin/cyclophosphamide and docetaxel. Residual cancer burden (RCB) with/without tecemotide was defined as primary study endpoint; RCB in the two chemotherapy groups was a key secondary endpoint. RESULTS: No significant differences in terms of RCB 0/I (40.1% vs. 37.2%; P = 0.61) or pathologic complete response (pCR) rates (24.3% vs. 25%, P = 0.89) were observed between conventional or reverse chemotherapy sequence. No new safety signals were reported, and upfront docetaxel did not result in decreased rates of treatment delay or discontinuation. CONCLUSION: Upfront docetaxel did not improve chemotherapy activity or tolerability; these results suggest that upfront neoadjuvant treatment with anthracyclines remains a valid option.

4.
Wien Klin Wochenschr ; 132(15-16): 415-422, 2020 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-32533444

RESUMO

BACKGROUND: Several clinical trials in chronic phase (CP) chronic myeloid leukemia (CML) showed that early response to tyrosine kinase inhibitor (TKI) treatment results in an improved long-term survival and progression-free survival. This study assessed whether patients achieving early treatment response (ETR; partial cytogenetic response or BCR-ABL1 mRNA ≤10% at 3 months) in daily practice also have a long-term survival benefit. METHODS: The Retrospective Evaluation of Early response in CML for long-term Treatment outcome (R-EFECT), a multicenter, retrospective chart review, documented patients with newly diagnosed CML-CP starting first-line TKI therapy in routine clinical practice. The primary aim was to assess the 5­year overall survival rate. RESULTS: Of the 211 patients from 12 centers across Austria (January 2004-May 2010), 176 (median age, 56 years) were included in the analysis. All patients received first-line therapy with imatinib. Overall, 136 patients (77.3%) achieved ETR (ETR+ group), whereas 40 (22.7%) did not reach ETR (ETR- group). The ETR+ group had higher 5­year overall survival (92.5% vs. 77.5%, P = 0.018) and progression-free survival (95.6% vs. 87.5%, P = 0.06) rates compared with the ETR- group. As expected, more patients in the ETR- group were switched to another TKI. At the last contact, 120 patients were still on imatinib and 44 had switched to another TKI (25 to nilotinib, 15 to dasatinib, and 4 to bosutinib). CONCLUSION: The data are in line with randomized trials demonstrating that ETR is associated with improved survival and thus confirmed these results in patients treated in daily clinical routine.


Assuntos
Antineoplásicos , Leucemia Mielogênica Crônica BCR-ABL Positiva , Leucemia Mieloide de Fase Crônica , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Antineoplásicos/uso terapêutico , Áustria , Dasatinibe/uso terapêutico , Feminino , Humanos , Leucemia Mielogênica Crônica BCR-ABL Positiva/diagnóstico , Leucemia Mielogênica Crônica BCR-ABL Positiva/tratamento farmacológico , Leucemia Mielogênica Crônica BCR-ABL Positiva/genética , Leucemia Mieloide de Fase Crônica/tratamento farmacológico , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Resultado do Tratamento , Adulto Jovem
6.
Eur J Cancer ; 132: 43-52, 2020 06.
Artigo em Inglês | MEDLINE | ID: mdl-32325419

RESUMO

BACKGROUND: Immune-based strategies represent a promising approach in breast cancer (BC) treatment. The glycoprotein mucin-1 (MUC-1) is overexpressed in more than 90% of BC patients, and is targeted by the cancer vaccine tecemotide. We have investigated the efficacy and safety of tecemotide when added to neoadjuvant standard-of-care (SoC) treatment in early BC patients. PATIENTS AND METHODS: A total of 400 patients with HER2-early BC were recruited into this prospective, multicentre, randomised 2-arm academic phase II trial. Patients received preoperative SoC treatment (chemotherapy or endocrine therapy) with or without tecemotide. Postmenopausal women with oestrogen receptor (ER)+++, or ER++ and Ki67 < 14%, and G1,2 tumours ('luminal A' tumours) received 6 months of letrozole. Postmenopausal patients with triple-negative, ER-/+/++ and Ki67 ≥ 14%, and with G3 tumours, as well as premenopausal patients, received four cycles of epirubicin/cyclophosphamide plus four cycles of docetaxel. Primary end-point was residual cancer burden (RCB; 0/I versus II/III) at surgery. Secondary end-points included pathological complete response (pCR), safety, and quality of life. FINDINGS: We observed no significant difference in RCB 0/I rates between patients with (36.4%) and without (31.9%) tecemotide in the overall study population (p = 0.40) nor in endocrine and chemotherapy-treated subgroups (25.0% versus 13.3%, p = 0.17; 39.6% versus 37.8%, p = 0.75, respectively). The addition of tecemotide did not affect overall pCR rates (22.5% versus 17.4%, p = 0.23), MUC-1 expression, or tumour-infiltrating lymphocytes content. Tecemotide did not increase toxicity when compared to SoC therapy alone. INTERPRETATION: Neoadjuvant tecemotide is safe, but does not improve RCB or pCR rates in patients receiving standard neoadjuvant therapy.


Assuntos
Biomarcadores Tumorais/metabolismo , Neoplasias da Mama/tratamento farmacológico , Vacinas Anticâncer/uso terapêutico , Glicoproteínas de Membrana/uso terapêutico , Adulto , Idoso , Idoso de 80 Anos ou mais , Neoplasias da Mama/metabolismo , Neoplasias da Mama/patologia , Feminino , Seguimentos , Humanos , Pessoa de Meia-Idade , Segurança do Paciente , Prognóstico , Estudos Prospectivos , Receptor ErbB-2/metabolismo , Receptores de Estrogênio/metabolismo , Receptores de Progesterona/metabolismo
7.
Breast ; 50: 64-70, 2020 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-32062536

RESUMO

BACKGROUND: STEPAUT, an Austrian non-interventional study, evaluated the safety and efficacy of everolimus plus exemestane in patients with hormone receptor-positive (HR+), human epidermal growth factor receptor 2-negative (HER2-) advanced breast cancer (ABC) recurring/progressing on/after nonsteroidal aromatase inhibitors (NSAIs) in routine clinical practice. METHODS: Postmenopausal women with HR+, HER2- ABC progressing on/after NSAIs receiving everolimus plus exemestane in accordance with routine practice and the current version of Summary of Product Characteristics were eligible. Planned individual observation period corresponded to the duration of treatment until formal study end. RESULTS: Overall, 236 patients (median age: 65 years) were enrolled at 17 sites across Austria. The median progression-free survival (mPFS) in the overall population was 9.5 months (95% confidence interval [CI]: 8.6-10.7 months). The mPFS (95% CI) in patients who received everolimus 10 and 5 mg was 9.9 months (7.3-11.5 months) and 8 months (4.7-10.7 months), respectively. The median time to progression was numerically longer in patients who had a therapy break (11.9 months, 95% CI: 10.0-14.6 months) versus those who did not have any therapy break (10.7 months, 95% CI: 8.9-12.6 months). Patients experienced grade 1 (53.7%), grade 2 (35.9%), grade 3 (9.9%), grade 4 (0.2%) adverse events (AEs). The most common AEs of any grade were stomatitis, mucositis (53.8%), rash, exanthema (29.7%), loss of appetite, nausea (28.4%). CONCLUSIONS: Real-world safety and efficacy data from STEPAUT were consistent with results from BOLERO-2, supporting everolimus plus exemestane as a suitable treatment option for HR+, HER2- ABC recurring/progressing on/after NSAIs.


Assuntos
Androstadienos/uso terapêutico , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Inibidores da Aromatase/uso terapêutico , Neoplasias da Mama/tratamento farmacológico , Everolimo/uso terapêutico , Padrões de Prática Médica , Idoso , Áustria/epidemiologia , Feminino , Humanos , Pós-Menopausa , Intervalo Livre de Progressão , Receptor ErbB-2/metabolismo , Receptores de Estrogênio/metabolismo , Receptores de Progesterona/metabolismo
8.
Clin Genitourin Cancer ; 17(5): e957-e967, 2019 10.
Artigo em Inglês | MEDLINE | ID: mdl-31235275

RESUMO

BACKGROUND: Treatment decisions in routine clinical practice are based on reports of clinical trials, which represent highly selected populations. Limited studies reported real-world evidences representing routine clinical practices in patients with renal-cell carcinoma (RCC) in Europe. The aim of this retrospective, noninterventional chart review was to collect data on the treatment landscape for patients with advanced/metastatic RCC in routine clinical practice in a broader patient population in Austria. PATIENTS AND METHODS: Patients with advanced/metastatic RCC receiving systemic treatment between June 2010 and June 2016 across 12 centers in Austria were included. Parameters were entered into an electronic case report form from the participating sites via the application Hermesoft electronic data capture system. Progression-free survival (PFS) and overall survival (OS) were the 2 primary end points. RESULTS: The median PFS and OS were 12 months and 44 months, respectively (first-line PFS was 14 months for pazopanib and 13 months for sunitinib; first-line OS was 44 months for pazopanib and 48 months for sunitinib). Factors influencing the OS were sex, with female patients at a significantly higher risk than male patients (hazard ratio = 1.719), Eastern Cooperative Oncology Group performance status > 0 increased the risk twice (hazard ratio = 2.048), and number of metastases > 3 before the first line doubled the risk compared to metastases (hazard ratio = 2.064). CONCLUSION: OS in this retrospective chart review was considerably longer than the previous reports in real-world patients, underlining the benefit of current RCC treatment options in routine clinical practice.


Assuntos
Antineoplásicos/uso terapêutico , Carcinoma de Células Renais/tratamento farmacológico , Neoplasias Renais/tratamento farmacológico , Idoso , Áustria , Tomada de Decisão Clínica , Registros Eletrônicos de Saúde , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Metástase Neoplásica , Pirimidinas/uso terapêutico , Estudos Retrospectivos , Caracteres Sexuais , Sulfonamidas/uso terapêutico , Sunitinibe/uso terapêutico , Análise de Sobrevida , Resultado do Tratamento
9.
J Natl Cancer Inst ; 111(8): 782-794, 2019 08 01.
Artigo em Inglês | MEDLINE | ID: mdl-31086963

RESUMO

BACKGROUND: FOLFIRINOX is a standard treatment for metastatic pancreatic cancer patients. The effectiveness of neoadjuvant FOLFIRINOX in patients with borderline resectable pancreatic cancer (BRPC) remains debated. METHODS: We performed a systematic review and patient-level meta-analysis on neoadjuvant FOLFIRINOX in patients with BRPC. Studies with BRPC patients who received FOLFIRINOX as first-line neoadjuvant treatment were included. The primary endpoint was overall survival (OS), and secondary endpoints were progression-free survival, resection rate, R0 resection rate, and grade III-IV adverse events. Patient-level survival outcomes were obtained from authors of the included studies and analyzed using the Kaplan-Meier method. RESULTS: We included 24 studies (8 prospective, 16 retrospective), comprising 313 (38.1%) BRPC patients treated with FOLFIRINOX. Most studies (n = 20) presented intention-to-treat results. The median number of administered neoadjuvant FOLFIRINOX cycles ranged from 4 to 9. The resection rate was 67.8% (95% confidence interval [CI] = 60.1% to 74.6%), and the R0-resection rate was 83.9% (95% CI = 76.8% to 89.1%). The median OS varied from 11.0 to 34.2 months across studies. Patient-level survival data were obtained for 20 studies representing 283 BRPC patients. The patient-level median OS was 22.2 months (95% CI = 18.8 to 25.6 months), and patient-level median progression-free survival was 18.0 months (95% CI = 14.5 to 21.5 months). Pooled event rates for grade III-IV adverse events were highest for neutropenia (17.5 per 100 patients, 95% CI = 10.3% to 28.3%), diarrhea (11.1 per 100 patients, 95% CI = 8.6 to 14.3), and fatigue (10.8 per 100 patients, 95% CI = 8.1 to 14.2). No deaths were attributed to FOLFIRINOX. CONCLUSIONS: This patient-level meta-analysis of BRPC patients treated with neoadjuvant FOLFIRINOX showed a favorable median OS, resection rate, and R0-resection rate. These results need to be assessed in a randomized trial.


Assuntos
Adenocarcinoma/tratamento farmacológico , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Neoplasias Pancreáticas/tratamento farmacológico , Adenocarcinoma/patologia , Adenocarcinoma/cirurgia , Idoso , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos/classificação , Efeitos Colaterais e Reações Adversas Relacionados a Medicamentos/patologia , Feminino , Fluoruracila/efeitos adversos , Fluoruracila/uso terapêutico , Humanos , Irinotecano/efeitos adversos , Irinotecano/uso terapêutico , Estimativa de Kaplan-Meier , Leucovorina/efeitos adversos , Leucovorina/uso terapêutico , Masculino , Pessoa de Meia-Idade , Terapia Neoadjuvante/efeitos adversos , Oxaliplatina/efeitos adversos , Oxaliplatina/uso terapêutico , Neoplasias Pancreáticas/patologia , Neoplasias Pancreáticas/cirurgia , Intervalo Livre de Progressão , Resultado do Tratamento
10.
Ann Hematol ; 93(11): 1825-38, 2014 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-24951123

RESUMO

Data on efficacy and safety of azacitidine in acute myeloid leukemia (AML) with >30 % bone marrow (BM) blasts are limited, and the drug can only be used off-label in these patients. We previously reported on the efficacy and safety of azacitidine in 155 AML patients treated within the Austrian Azacitidine Registry (clinicaltrials.gov identifier NCT01595295). We herein update this report with a population almost twice as large (n = 302). This cohort included 172 patients with >30 % BM blasts; 93 % would have been excluded from the pivotal AZA-001 trial (which led to European Medicines Agency (EMA) approval of azacitidine for high-risk myelodysplastic syndromes (MDS) and AML with 20-30 % BM blasts). Despite this much more unfavorable profile, results are encouraging: overall response rate was 48 % in the total cohort and 72 % in patients evaluable according to MDS-IWG-2006 response criteria, respectively. Median OS was 9.6 (95 % CI 8.53-10.7) months. A clinically relevant OS benefit was observed with any form of disease stabilization (marrow stable disease (8.1 months), hematologic improvement (HI) (9.7 months), or the combination thereof (18.9 months)), as compared to patients without response and/or without disease stabilization (3.2 months). Age, white blood cell count, and BM blast count at start of therapy did not influence OS. The baseline factors LDH >225 U/l, ECOG ≥2, comorbidities ≥3, monosomal karyotype, and prior disease-modifying drugs, as well as the response-related factors hematologic improvement and further deepening of response after first response, were significant independent predictors of OS in multivariate analysis. Azacitidine seems effective in WHO-AML, including patients with >30 % BM blasts (currently off-label use). Although currently not regarded as standard form of response assessment in AML, disease stabilization and/or HI should be considered sufficient response to continue treatment with azacitidine.


Assuntos
Antimetabólitos Antineoplásicos/uso terapêutico , Azacitidina/uso terapêutico , Leucemia Mieloide Aguda/tratamento farmacológico , Leucemia Mieloide Aguda/epidemiologia , Sistema de Registros , Organização Mundial da Saúde , Adulto , Idoso , Idoso de 80 Anos ou mais , Áustria/epidemiologia , Estudos de Coortes , Feminino , Humanos , Leucemia Mieloide Aguda/diagnóstico , Masculino , Pessoa de Meia-Idade , Estudos Retrospectivos , Taxa de Sobrevida/tendências , Resultado do Tratamento
11.
J Hematol Oncol ; 6: 32, 2013 Apr 29.
Artigo em Inglês | MEDLINE | ID: mdl-23627920

RESUMO

OBJECTIVE: The Austrian Azacitidine Registry is a multi-center database (ClinicalTrials.gov: NCT01595295). The nature and intent of the registry was to gain a comprehensive view of the use, safety and efficacy of the drug in a broad range of AML-patients treated in real-life scenarios. PATIENTS AND METHODS: The sole inclusion criteria were the diagnosis of WHO-AML and treatment with at least one dose of azacitidine. No formal exclusion criteria existed. A total of 155 AML-patients who were mostly unfit/ineligible for intensive chemotherapy, or had progressed despite conventional treatment, were included. True ITT-analyses and exploratory analyses regarding the potential prognostic value of baseline-variables/performance-/comorbidity-/risk-scores on overall survival (OS), were performed. RESULTS: In this cohort of 155 pretreated (60%), and/or comorbid (87%), elderly (45% ≥75 years) AML-patients, azacitidine was well tolerated and efficacious, with an overall response rate (CR, mCR, PR, HI) of 45% in the total cohort (ITT) and 65% in patients evaluable according to IWG-criteria, respectively. Pre-treatment with conventional chemotherapy (P = .113), age ≤/>80 years (P = .853), number of comorbidities (P = .476), and bone marrow (BM) blast count (P = .663) did not influence OS. In multivariate analysis hematologic improvement alone (without the requirement of concomitant bone marrow blast reduction), although currently not regarded as a standard form of response assessment in AML, was sufficient to confer OS benefit (18.9 vs. 6.0 months; P = .0015). Further deepening of response after first response was associated with improved OS (24.7 vs. 13.7 months; P < .001). CONCLUSIONS: In this large cohort of AML-patients treated with azacitidine, age >80 years, number of comorbidities and/or BM-blasts >30% did not adversely impact OS.


Assuntos
Antimetabólitos Antineoplásicos/uso terapêutico , Azacitidina/uso terapêutico , Leucemia Mieloide Aguda/tratamento farmacológico , Adulto , Idoso , Idoso de 80 Anos ou mais , Áustria , Azacitidina/efeitos adversos , Estudos de Coortes , Feminino , Humanos , Leucemia Mieloide Aguda/mortalidade , Masculino , Pessoa de Meia-Idade , Prognóstico , Sistema de Registros , Resultado do Tratamento
13.
Eur J Cancer ; 49(2): 352-9, 2013 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-22981499

RESUMO

PURPOSE: To determine the efficacy and feasibility of induction chemotherapy (ICT) with docetaxel, cisplatin and 5-fluorouracil followed by radiotherapy and cetuximab (C) in patients with locally advanced head and neck cancer. PATIENTS AND METHODS: Forty-nine previously untreated patients with local advanced stage III and IV squamous cell carcinoma of the head and neck (SCCHN) received three courses of ICT consisting of docetaxel 75mg/m(2) day 1, cisplatin 75mg/m(2) day 1 and infusional 5-fluorouracil 750mg/m(2)/day on days 1-5 followed by radiotherapy plus C at 250mg/m(2)/week (after an initial loading dose of 400mg/m(2)). RESULTS: After completion of ICT 44 of 49 patients received radiotherapy plus C. Three months after therapy completion tumour response was observed in 33 patients and after two years, 25 patients were in complete remission (CR). The most common grade 4 toxicity during the whole treatment period was dermatitis (30%), followed by mucositis (27%) and neutropenia (17%) without fever. One toxic related death was observed during ICT. Two-year progression-free survival (PFS) rate was 59% and two-year overall survival (OS) rate was 63%, respectively. CONCLUSION: Concurrent radiotherapy plus C after three courses of ICT was feasible and was associated with promising CR, PFS and OS rates. Further optimisation of dose and sequence is warranted.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Carcinoma de Células Escamosas/tratamento farmacológico , Carcinoma de Células Escamosas/radioterapia , Neoplasias de Cabeça e Pescoço/tratamento farmacológico , Neoplasias de Cabeça e Pescoço/radioterapia , Adulto , Idoso , Anticorpos Monoclonais/administração & dosagem , Anticorpos Monoclonais/efeitos adversos , Anticorpos Monoclonais Humanizados , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Carcinoma de Células Escamosas/patologia , Cetuximab , Cisplatino/administração & dosagem , Cisplatino/efeitos adversos , Intervalo Livre de Doença , Docetaxel , Feminino , Fluoruracila/administração & dosagem , Fluoruracila/efeitos adversos , Neoplasias de Cabeça e Pescoço/patologia , Humanos , Quimioterapia de Indução , Masculino , Pessoa de Meia-Idade , Carcinoma de Células Escamosas de Cabeça e Pescoço , Taxoides/administração & dosagem , Taxoides/efeitos adversos
14.
Blood ; 105(9): 3731-6, 2005 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-15644419

RESUMO

The granulocyte colony-stimulating factor receptor (G-CSF-R) transmits signals for proliferation and differentiation of myeloid progenitor cells. Here we report on the identification of a rare single nucleotide polymorphism within its intracellular domain (G-CSF-R_Glu785Lys). Screening a cohort of 116 patients with primary myelodysplastic syndromes (MDS), de novo acute myeloid leukemia (AML) (84 patients), as well as 232 age- and sex-matched controls revealed a highly significant association of the G-CSF-R_785Lys allele with the development of high-risk MDS as defined by more than 5% bone marrow blasts (9.7% versus 0.9% in controls; P = .001; odds ratio [OR], 12.5; 95% confidence interval [CI], 2.4-58.9) or an International Prognostic Scoring System score of intermediate-2 or high (13.0% versus 0.9%; P < .001; OR, 14.0; 95% CI, 3.4-85.0). Functional analysis by retroviral transfer of G-CSF-R_785Lys into myeloid progenitor cells of G-CSF-R-deficient mice showed a significantly diminished colony-formation capacity after G-CSF stimulation as compared with cells transduced with the wild-type receptor. These results suggest that lifelong altered G-CSF response by the G-CSF-R_785Lys may render individuals susceptible to development of high-risk MDS.


Assuntos
Síndromes Mielodisplásicas/genética , Polimorfismo de Nucleotídeo Único , Receptores de Fator Estimulador de Colônias de Granulócitos/genética , Doença Aguda , Adulto , Idoso , Idoso de 80 Anos ou mais , Animais , Estudos de Casos e Controles , Células Cultivadas , Feminino , Predisposição Genética para Doença , Testes Genéticos , Células-Tronco Hematopoéticas , Humanos , Leucemia Mieloide/genética , Masculino , Camundongos , Camundongos Knockout , Pessoa de Meia-Idade , Síndromes Mielodisplásicas/etiologia , Síndromes Mielodisplásicas/patologia , Células Progenitoras Mieloides/metabolismo , Células Progenitoras Mieloides/transplante , Risco , Transdução Genética , Transfecção
15.
Eur J Haematol ; 69(1): 50-3, 2002 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-12270062

RESUMO

In a patient with acute myeloid leukaemia, treated with several courses of chemotherapy including a fludarabine-containing regimen, severe symptoms due to Epstein-Barr virus reactivation occurred but could be successfully treated with the monoclonal anti-CD20 antibody rituximab. Depletion of viral host cells may be effective in treatment of symptoms due to Epstein-Barr virus reactivation.


Assuntos
Anticorpos Monoclonais/uso terapêutico , Antineoplásicos/uso terapêutico , Herpesvirus Humano 4/isolamento & purificação , Leucemia Mieloide/tratamento farmacológico , Leucemia Mieloide/virologia , Ativação Viral , Idoso , Anticorpos Monoclonais/imunologia , Anticorpos Monoclonais Murinos , Antígenos CD20/imunologia , Herpesvirus Humano 4/fisiologia , Humanos , Leucemia Mieloide/imunologia , Depleção Linfocítica , Masculino , Rituximab
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