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1.
Ann Oncol ; 16(12): 1941-8, 2005 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-16157621

RESUMO

BACKGROUND: There is not univocal concordance for using high-dose sequential therapy (HDS) as first-line treatment for aggressive non-Hodgkin's lymphoma (NHL). We designed this study to evaluate the usefulness of HDS followed by high-dose therapy (HDT) with autologous stem cell transplantation as front-line treatment in different subsets of aggressive NHL. PATIENTS AND METHODS: Among 223 patients aged 15-60 years with aggressive, advanced stage NHL, 106 patients were randomized to VACOP-B (etoposide, doxorubicin, cyclophosphamide, vincristine, prednisone, bleomycin) for 12 weeks (plus HDS/HDT in case of persistent disease) (arm A), and 117 patients to VACOP-B for 8 weeks plus upfront HDS/HDT (arm B). RESULTS: According to the intention-to-treat analysis, the complete response rate was 75% for arm A and 72.6% for arm B. With a median follow-up of 62 months there was no difference in 7-year probability of survival (60% and 57.8%; P = 0.5), disease-free survival (DFS) (62% and 71%; P = 0.2) and progression-free survival (PFS) (44.9% and 40.9%; P = 0.7) between the two arms. Subgroup analyses confirmed that the best results in terms of survival, DFS and PFS were achieved by patients with large B-cell NHL without bone marrow (BM) involvement, independently of the treatment arm. Results were poorer in other categories of patients and poorest in patients with BM involvement. CONCLUSIONS: Aggressive NHL patients do not benefit from upfront HDS/HDT.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/administração & dosagem , Linfoma de Células B/terapia , Linfoma Difuso de Grandes Células B/terapia , Adolescente , Adulto , Bleomicina/administração & dosagem , Terapia Combinada , Ciclofosfamida/administração & dosagem , Intervalo Livre de Doença , Relação Dose-Resposta a Droga , Doxorrubicina/administração & dosagem , Etoposídeo/administração & dosagem , Feminino , Transplante de Células-Tronco Hematopoéticas , Humanos , Masculino , Pessoa de Meia-Idade , Recidiva Local de Neoplasia/terapia , Prednisona/administração & dosagem , Terapia de Salvação , Taxa de Sobrevida , Vincristina/administração & dosagem
2.
Rev. bras. hematol. hemoter ; 24(2): 77-84, abr.-jun. 2002.
Artigo em Inglês | LILACS | ID: lil-365253

RESUMO

O transplante autólogo de célula progenitora ou medula óssea (ATMO) tem demonstrado capacidade de superar resistência tumoral através da elevação da intensidade de dose de drogas disponíveis e radioterapia. ATMO foi inicialmente utilizado em LNH após recidiva em primeira linha ou refratários. ATMO tem demonstrado maior utilidade em condições clínicas mais favoráveis como na remissão parcial (RP), primeira remissão completa (RC) e como primeira linha após quimioterapia. Quimioterapia de alta dose e ATMO se tornaram a terapêutica standard para pacientes elegíveis com LNH agressivo, recorrente e quimiosensível. Pacientes primariamente refratários e com recidiva resistente não são boas indicações e devem ser considerados como grupo elegível para estudos de fase II. Talvez, haja um papel do ATMO em pacientes parcialmente responsivos. Entretanto, novos e grandes estudos randomizados são necessários para esclarecer esta questão. Um desafio para o manuseio dos linfomas é a definição da terapia de alta dose seguida do ATMO como terapêutica inicial para os LNH agressivos, identificando pacientes que não possam ser curados com terapêutica convencional. Uma série de estudos retrospectivos ou controlados parece indicar os chamados pacientes de "alto-risco", definido pela IPI como potencial alvo destas terapêuticas intensificadas. Entretanto, de acordo com dados publicados, o problema permanece aberto para debates. Estudos grandes e randomizados são necessários e bem vindos e devem ser considerados prioridade neste campo da ciência médica.


Assuntos
Transplante Autólogo , Terapêutica , Medula Óssea , Linfoma não Hodgkin , Transplante de Células-Tronco , Tratamento Farmacológico , Linfoma
3.
Ann Ig ; 14(6): 503-9, 2002.
Artigo em Italiano | MEDLINE | ID: mdl-12638354

RESUMO

"Spazio Giovani" is a service offered once a week by many Family Counselling Services and aimed at addressing the needs of tenagers and young people who can access it free of charge and without booking an appointment. This kind of services started in the Eighties to address the needs of young people who were sexually active and often not accessing conventional services. The objective of this study has been to assess how attitudes for unprotected sex and at risk sex behaviours decrease in a population attending the Youth Corner on a regular basis in comparison with the same attitudes and behaviours in a group of first-time users of the service over a six month period. The research, involving 301 teen and young females showed significant differences in protected behaviours between the two groups. No significant differences in attitudes were put in evidence by the study.


Assuntos
Serviços de Saúde do Adolescente/estatística & dados numéricos , Infecções Sexualmente Transmissíveis/prevenção & controle , Adolescente , Comportamento do Adolescente , Adulto , Aconselhamento , Feminino , Acessibilidade aos Serviços de Saúde , Humanos , Itália , Assunção de Riscos , Sexo Seguro
4.
Haematologica ; 86(3): 282-6, 2001 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-11255275

RESUMO

BACKGROUND AND OBJECTIVES: We report the activity of two combinations of fludarabine (FLU), one with cyclophosphamide (FLU/CY) and the second with CY plus mitoxantrone (FLU/CY/MITO). The aim of the study was to evaluate the activity and toxicity of these two schedules in patients with non-Hodgkin's lymphoma (NHL). DESIGN AND METHODS: Twenty-two patients with recurrent low grade non-Hodgkin's lymphoma (LGL) received FLU/CY (FLU 25 mg/m(2) days 1 to 3, CY 300 mg/m(2) days 1 to 3), and 31 patients received FLU/CY/MITO (FLU 25 mg/m(2) days 1 to 3, CY 300 mg/m(2) days 1 to 3, mitoxantrone 10 mg/m(2) day 1). Patients received antibiotic oral prophylaxis during all treatments and growth factors (G-CSF) when grade III granulocytopenia (WHO scale) occurred. RESULTS: Of the 53 patients, 31 achieved complete remission (CR) (58%) and 16 partial remission (PR) (30%). Response was similar in both arms of the study. After 3 courses, 77% of patients who achieved CR showed a complete disappearance of disease. Seventy-nine per cent of patients experienced granulocytopenia. Few patients had fever, all without infection. One patient died with fever of unknown origin three months after completion of six courses of treatment. INTERPRETATION AND CONCLUSIONS: Both treatments were seen to be effective in recurrent low-grade NHL. Antibiotic prophylaxis with G-CSF support seems to reduce treatment-related infection.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/administração & dosagem , Linfoma não Hodgkin/tratamento farmacológico , Vidarabina/análogos & derivados , Adulto , Idoso , Protocolos de Quimioterapia Combinada Antineoplásica/toxicidade , Ciclofosfamida/administração & dosagem , Ciclofosfamida/toxicidade , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Mitoxantrona/administração & dosagem , Mitoxantrona/toxicidade , Recidiva , Resultado do Tratamento , Vidarabina/administração & dosagem
5.
Leuk Lymphoma ; 33(3-4): 321-30, 1999 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-10221512

RESUMO

We report our experience of high-dose cyclophosphamide (HDCY) followed by high-dose therapy (HDT) and peripheral blood progenitor cell (PBPC) autografting in patients with diffuse, intermediate and high-grade non-Hodgkin's lymphomas who have failed conventional treatment. From 1991 to 1996, 54 consecutive patients pre-treated with a median of two chemotherapy lines entered the study. Eighteen patients (33%) were still responders to conventional chemotherapy (sensitive relapse), and 20 patients (37%) were in partial response (PR) after chemotherapy (CT). Sixteen patients (30%) were resistant to conventional CT either at presentation (non responder) or in relapse (resistant relapse). Thirty-nine patients had bone marrow involved by disease and fifteen had an hypoplastic marrow following conventional treatment. Patients received HDCY (7gr/m2) and G-CSF or GM-CSF in order to collect PBPC. Median collected CD34+ cells was 12.3 x 10(6)/Kg (range 0.7-197). After HDT (BEAM or Melphalan + TBI) 50 patients underwent PBPC autografting. According to intention to treat, 44 (81%) of 54 patients achieved complete remission (CR) (50% after HDCY and 31% after HDT). Procedure related death occurred in 6 patients (11%), one after HDCY and 5 after autografting. Twenty-nine (66%) of 44 patients are still in CR, 7 to 63 months (median 27 months) after the procedure. Three-year probability of survival, disease-free survival and progression-free survival are 63%, 64% and 52% respectively. In conclusion, HDCY is an effective procedure not only in mobilizing PBPC, but also in reducing tumour burden. HDT with PBPC support may further improve the outcome in this category of high-risk non-Hodgkin's lymphomas.


Assuntos
Antineoplásicos Alquilantes/uso terapêutico , Medula Óssea/patologia , Ciclofosfamida/uso terapêutico , Transplante de Células-Tronco Hematopoéticas , Linfoma não Hodgkin/terapia , Adulto , Antineoplásicos Alquilantes/efeitos adversos , Terapia Combinada , Ciclofosfamida/efeitos adversos , Intervalo Livre de Doença , Resistência a Múltiplos Medicamentos , Feminino , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Humanos , Linfoma não Hodgkin/tratamento farmacológico , Linfoma não Hodgkin/mortalidade , Linfoma não Hodgkin/patologia , Masculino , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Recidiva , Análise de Sobrevida , Fatores de Tempo
6.
Eur J Haematol ; 61(3): 197-203, 1998 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-9753416

RESUMO

Fludarabine (25 mg/m2 for 5 d, every 4 wk, for 6 courses) was administered as first line therapy in 32 symptomatic chronic lymphoproliferative diseases. All CLL patients achieved at least partial response (5 CR, 2 nPR, 9 PR) but 44% of patients relapsed. In LG-NHLs response and relapse rate were similar. Haematological toxicity was low. VDJ rearrangement PCR analysis was performed on marrow samples at diagnosis and at the time of response evaluation. In the 3 patients who underwent high dose therapy with peripheral blood progenitor cell rescue analysis was also performed on apheresis samples and on marrow samples at the end of the procedure. Clonal VDJ rearrangement was always evident after Fludarabine therapy even in those patients who achieved histological and immunophenotypic complete remission, whereas it disappeared in 2 of 3 patients who underwent HDT. Our data confirm that Fludarabine monotherapy can reduce the neoplastic mass to a subclinical level and suggest the possibility that high dose therapy might produce true complete remission.


Assuntos
Antineoplásicos/administração & dosagem , Transtornos Linfoproliferativos/tratamento farmacológico , Vidarabina/análogos & derivados , Adulto , Idoso , Doença Crônica , Feminino , Humanos , Transtornos Linfoproliferativos/fisiopatologia , Masculino , Pessoa de Meia-Idade , Neoplasia Residual , Resultado do Tratamento , Vidarabina/administração & dosagem
7.
J Clin Oncol ; 16(8): 2796-802, 1998 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-9704732

RESUMO

PURPOSE: The aim of this multicenter randomized study was to compare conventional therapy with conventional plus high-dose therapy (HDT) and autologous bone marrow transplantation (ABMT) as front-line treatment for poor-prognosis non-Hodgkin's lymphoma (NHL). PATIENTS AND METHODS: Between October 1991 and June 1995, 124 patients, aged 15 to 60 years, with diffuse intermediate- to high-grade NHL (Working Formulation criteria), stages II bulky (> or = 10 cm), III, or IV were enrolled. Sixty-one patients were randomized to receive etoposide, doxorubicin, cyclophosphamide, vincristine, prednisone, and bleomycin (VACOP-B) for 12 weeks and cisplatin, cytarabine, and dexamethasone (DHAP) as a salvage regimen (arm A), and 63 to receive VACOP-B for 12 weeks plus HDT and ABMT (Arm B). RESULTS: There was no significant difference in terms of complete remissions (CRS) in the two groups: 75% in arm A, and 73% in arm B. The median follow-up observation time was 42 months. The 6-year survival probability was 65% in both arms. There was no difference in disease-free survival (DFS) or progression-free survival (PFS) between the two groups. DFS was 60% and 80% (P = .1) and PFS was 48% and 60% (P = .4) for arms A and B, respectively. Procedure feasibility was the major problem. In arm B, 29% of enrolled patients did not undergo HDT and ABMT. A statistical improvement in terms of DFS (P = .008) and a favorable trend in terms of PFS (P = .08) for intermediate-/high- plus high-risk group patients assigned to HDT and ABMT was observed. CONCLUSION: In this study, conventional chemotherapy followed by HDT and ABMT as front-line therapy seems no more successful than conventional treatment in terms of overall results. However, our results suggest that controlled studies of HDT plus ABMT should be proposed for higher risk patients.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Transplante de Medula Óssea , Linfoma não Hodgkin/terapia , Adolescente , Adulto , Bleomicina/administração & dosagem , Cisplatino/administração & dosagem , Terapia Combinada , Ciclofosfamida/administração & dosagem , Citarabina/administração & dosagem , Dexametasona/administração & dosagem , Doxorrubicina/administração & dosagem , Etoposídeo/administração & dosagem , Feminino , Humanos , Linfoma Difuso de Grandes Células B/mortalidade , Linfoma Difuso de Grandes Células B/terapia , Linfoma não Hodgkin/mortalidade , Masculino , Pessoa de Meia-Idade , Prednisona/administração & dosagem , Estudos Prospectivos , Terapia de Salvação , Taxa de Sobrevida , Vincristina/administração & dosagem
8.
Leuk Lymphoma ; 26 Suppl 1: 83-8, 1997 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-9570684

RESUMO

Thirty-five aggressive non-Hodgkin's lymphomas (NHL) with marrow involvement received high-dose cyclophosphamide (7 g/m2) and G-CSF in order to collect peripheral blood progenitor cells (PBPC). Fourteen patients were in partial remission, 16 patients were in relapse ("sensitive", 12; "resistant", 4) and 5 patients were in refractory to conventional treatment. A good yield of PBPC was obtained in 30 patients, while a low number of CD34+ cells and of CFU-GM was seen in two cases. Two patients entered progression and one patient died. Thirty patients underwent PBPC autografting. Twenty-nine out of 35 (83%) patients entered complete remission (CR). Two patients died in CR of infection following marrow aplasia 3 and 6 months after autografting. At 3 years the probability of survival and disease-free survival (DFS) are of 62% and 51% respectively.


Assuntos
Mobilização de Células-Tronco Hematopoéticas , Transplante de Células-Tronco Hematopoéticas/métodos , Linfoma não Hodgkin/terapia , Condicionamento Pré-Transplante , Adolescente , Adulto , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Criança , Ciclofosfamida/administração & dosagem , Intervalo Livre de Doença , Feminino , Fator Estimulador de Colônias de Granulócitos/administração & dosagem , Humanos , Linfoma não Hodgkin/tratamento farmacológico , Linfoma não Hodgkin/mortalidade , Masculino , Pessoa de Meia-Idade , Avaliação de Resultados em Cuidados de Saúde , Projetos Piloto , Análise de Sobrevida
9.
Leukemia ; 10 Suppl 2: s88-91, 1996 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-8649061

RESUMO

Thirty-five aggressive non-Hodgkin's lymphomas (NHL) with marrow involvement received high-dose cyclophosphamide (7 g/m2) and G-CSF in order to collect peripheral blood progenitor cells (PBPC). Fourteen patients were in partial remission, 16 patients were in relapse ('sensitive', 12; 'resistant', 4) and five patients were refractory to conventional treatment. A good yield of PBPC was obtained in 30 patients, while a low number of CD34+ cells and of CFU-GM was seen in two cases. Two patients entered progression and one patient died. Thirty patients underwent PBPC autografting. Twenty-nine out of 35 (83%) patients entered complete remission (CR). Two patients died in CR of infection following marrow aplasia 3 and 6 months after autografting. At 3 years the probability of survival and disease-free survival (DFS) are 62 and 51%, respectively.


Assuntos
Antineoplásicos Alquilantes/administração & dosagem , Ciclofosfamida/administração & dosagem , Fator Estimulador de Colônias de Granulócitos/administração & dosagem , Transplante de Células-Tronco Hematopoéticas , Leucaférese , Linfoma não Hodgkin/terapia , Adulto , Terapia Combinada , Feminino , Humanos , Linfoma não Hodgkin/patologia , Masculino , Pessoa de Meia-Idade , Projetos Piloto , Análise de Sobrevida
10.
Haematologica ; 81(3): 238-44, 1996.
Artigo em Inglês | MEDLINE | ID: mdl-8767529

RESUMO

BACKGROUND: Considering the conflicting results of the few reports on geriatric MM patients and the increasing relevance of the problem, we analyzed a series of 113 patients over 64 years of age treated with conventional chemotherapy. PATIENTS AND METHODS: The median age was 71 (range 65-92). Stage IA, IIA, IIIA and IIIB patients numbered 28, 33, 45 and 7, respectively. The M component was IgG in 73 patients (65%), IgA in 30 (26%), IgD in 3 (3%), light chain in 5 (4%); no monoclonal component was detected in 2 (2%) cases. Sixty-three patients showed symptomatic skeletal disease. Melphalan/prednisone (MP) was the first-line treatment in 84 patients (74%). Patients were grouped according to age (> 64 < or = 74; > or = 75) in order to carry out analysis. RESULTS: Seventy-eight cases (69%) showed a sizable reduction in the tumor mass; objective and partial response was achieved in 57 (50%) and 21 (19%) patients, respectively. Patients with stage I-II disease fared significantly better than stage III patients (median survival: 70 vs 38 months; p = 0.017). Response to first-line treatment correlated with overall survival; patients with responsive or refractory disease had median survival rates of 64 and 20 months, respectively (p = 0.0001). CONCLUSIONS: Neither patients above nor below 75 years of age showed any difference in presentation features or in response to treatment. These results suggest that advanced age should not be considered a major obstacle to active treatment.


Assuntos
Antineoplásicos/uso terapêutico , Mieloma Múltiplo/tratamento farmacológico , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Masculino
11.
Leuk Lymphoma ; 21(1-2): 63-70, 1996 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-8907271

RESUMO

High-dose therapy followed by autografting can cure patients with aggressive Hodgkin's disease (HD) refractory or with early relapse to first-line combination chemotherapy. On the other hand, the eradication of the disease is rarely achieved in heavily pretreated patients. It has been suggested that patients with HD with very high risk characteristics at diagnosis, often relapse despite appropriate therapy with 7-8 drugs combination. Thus it seems to us that such patients are potential candidates for early autografting during first remission. Twelve years ago, we initiated a pilot study to investigate whether patients with very high risk characteristics, would benefit from early autografting. The application of early autografting was compared with our historical group of patients in complete remission after receiving MOPP/ABVD, who had the same negative prognostic characteristics, refused autografting and who did not receive other treatment after achieving complete remission. Among the 22 consecutive patients entered into the pilot study and autografted, 18 are alive and 17 (77%) remain alive in unmaintained remission at a median of 86 months. One patient (4%) died of interstitial pneumonitis in the transplantation group. Only 8/24 (33%) patients, who did not receive an autograft, are currently alive and disease free at a median of 89 months. In conclusion, the early application of autografting appears to improve the outcome in patients with very high risk HD who achieved remission with MOPP/ABVD.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Transplante de Células-Tronco Hematopoéticas , Doença de Hodgkin/tratamento farmacológico , Doença de Hodgkin/terapia , Adolescente , Adulto , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Bleomicina/administração & dosagem , Quimioterapia Adjuvante , Terapia Combinada , Dacarbazina/administração & dosagem , Relação Dose-Resposta a Droga , Doxorrubicina/administração & dosagem , Feminino , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Humanos , Masculino , Mecloretamina/administração & dosagem , Pessoa de Meia-Idade , Projetos Piloto , Prednisona/administração & dosagem , Procarbazina/administração & dosagem , Prognóstico , Indução de Remissão , Fatores de Risco , Vimblastina/administração & dosagem , Vincristina/administração & dosagem
12.
Bone Marrow Transplant ; 17(2): 201-5, 1996 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-8640167

RESUMO

Twenty-three patients with chronic myelogenous leukemia in early chronic phase (ECP) and not previously treated with alpha-interferon (IFN-alpha) (10 patients), in ECP but pretreated with IFN-alpha (<12 months) (seven patients) and in late chronic phase (LCP) pretreated with IFN-alpha (>12 months) (six patients) underwent autografting with Philadelphia (Ph) chromosome-negative blood progenitor cells (BPCs) (20 patients), or partially/totally Ph-positive BPCs (three patients), previously mobilized during the early phase of recovery after aplasia induced by intensive chemotherapy. The conditioning regimen consisted of high-dose chemotherapy alone or followed by total body irradiation (TBI). Recombinant G-CSF was given after BPCs infusion on day +8. All patients in ECP not pretreated with IFN-alpha are alive and five of them are Ph-negative in the marrow after autografting. Six of seven patients autografted with Ph-negative BPCs in the group of ECP pretreated with IFN-alpha (<12 months) are alive and two of them are still Ph-negative in the marrow. In the same group, the only patient transplanted with partially Ph-positive BPCs, died of blastic transformation 2 months after reinfusion. Three patients (two patients autografted with Ph-negative BPCs and one patient with Ph-positive BPC) in the group of LCP pretreated with IFN-alpha >12 months are alive but Ph-positive after autografting. The other three patients of the same group died of procedure-related toxicity (two patients) and blastic transformation (one patient). Seventeen patients (10/10 ECP not pretreated with IFN-alpha; 5/7 ECP pretreated with IFN-alpha and 2/6 LCP pretreated with IFN-alpha) of 23 autografted patients were treated with IFN-alpha +/- IL-2. Toxicities after autografting were mostly related to myelosuppression, particularly thrombocytopenia. All patients of the two groups pretreated with IFN-alpha developed febrile episodes during the aplastic phase following BPCs reinfusion. No patient autografted in ECP and those not pretreated with IFN-alpha developed febrile episodes. This is also probably due to the use of i.v. antibiotic and antimicotic prophylaxis when neutrophils were < or = 1 x 10(9)/l after autografting. Greater toxicity was observed in patients pretreated with IFN-alpha, being lethal in two cases in LCF. In conclusion, the "in vivo' manipulation approach employed in our institution is a safe procedure and it results in a high collection of Ph-negative cells in the blood if the cells are harvested: (1) in early chronic phase; (2) in early phase of recovery after chemotherapy-inducing aplasia; (3) in patients not extensively pretreated with IFN-alpha. The data presented here have shown encouraging trends in chronic phase of CML and offer new perspective for patients without an HLA-identical donor or for patients who do not respond to IFN-alpha.


Assuntos
Anemia Aplástica/terapia , Transplante de Células-Tronco Hematopoéticas , Leucemia Mielogênica Crônica BCR-ABL Positiva/terapia , Leucemia Mieloide de Fase Crônica/terapia , Adulto , Anemia Aplástica/etiologia , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Crise Blástica/mortalidade , Medula Óssea/patologia , Cisplatino/administração & dosagem , Cisplatino/efeitos adversos , Terapia Combinada , Etoposídeo/administração & dosagem , Etoposídeo/efeitos adversos , Feminino , Humanos , Ifosfamida/administração & dosagem , Ifosfamida/efeitos adversos , Fatores Imunológicos/uso terapêutico , Interferon-alfa/uso terapêutico , Leucaférese , Leucemia Mielogênica Crônica BCR-ABL Positiva/tratamento farmacológico , Leucemia Mielogênica Crônica BCR-ABL Positiva/mortalidade , Leucemia Mielogênica Crônica BCR-ABL Positiva/patologia , Leucemia Mielogênica Crônica BCR-ABL Positiva/radioterapia , Leucemia Mieloide de Fase Crônica/sangue , Leucemia Mieloide de Fase Crônica/tratamento farmacológico , Leucemia Mieloide de Fase Crônica/patologia , Leucemia Mieloide de Fase Crônica/radioterapia , Masculino , Pessoa de Meia-Idade , Neoplasia Residual , Células Neoplásicas Circulantes , Cromossomo Filadélfia , Análise de Sobrevida , Trombocitopenia/etiologia , Trombocitopenia/terapia , Transplante Autólogo , Resultado do Tratamento , Irradiação Corporal Total/efeitos adversos
13.
Haematologica ; 79(3): 218-24, 1994.
Artigo em Inglês | MEDLINE | ID: mdl-7926970

RESUMO

BACKGROUND: It has been shown that fludarabine (FLU) is superior to conventional treatment in B-CLL for rate and quality of response, leading to CR even at the molecular level. In this paper we report our preliminary results with this drug in B-CLL patients. METHODS AND PATIENTS: Twenty-seven B-CLL patients (16 refractory to previous therapy, 7 responsive and treated for subsequent disease reexpansion, 4 untreated with active disease) were administered FLU at a dose of 25 mg/sqm for 5 days every 4 weeks. RESULTS: Twenty-five patients were evaluable and 14 of them (56%) were responsive. All four untreated patients responded: 1 CR (PCR analysis showed the persistence of clonal VDJ rearrangement) and 3 PR, while 67% of the previously responsive group again showed a reaction: 2 PR (33%) and 2 nodular PR (33%). Among the refractory patients we recorded 6 responses (39%): 1 CR (6%) and 5 PR (33%). Besides 2 cases of lethal myelotoxicity, we observed 2 cases of encephalopathy and 2 cases of heart failure. Four deaths may have been related to FLU therapy (15%). CONCLUSIONS: We confirm the effectiveness of FLU and the improved outcome, in terms of toxicity and response rate, it provides in untreated B-CLL patients. Further studies are needed to explore the possible negative effects of FLU on neuronal and heart function, and the impact of this drug on survival in selected groups of patients.


Assuntos
Antineoplásicos/uso terapêutico , Leucemia Linfocítica Crônica de Células B/tratamento farmacológico , Vidarabina/análogos & derivados , Adulto , Idoso , Antineoplásicos/efeitos adversos , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Vidarabina/efeitos adversos , Vidarabina/uso terapêutico
14.
Bone Marrow Transplant ; 12(3): 267-71, 1993 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-7694724

RESUMO

Twenty-five patients with CML (chronic phase (CP): 15 patients; accelerated phase (AP): 10 patients) at a median of 40 months after diagnosis and ineligible for allogeneic BMT, received an intensive chemotherapy regimen consisting of idarubicin, intermediate-dose ara-C and etoposide (ICE protocol). All patients had previously received alpha-interferon and only two patients had had partial cytogenetic response. During recovery from chemotherapy-induced aplasia, blood progenitors cells (BPC) were harvested by leukapheresis. All metaphases were found to be Ph-negative in the collection of 12 of 25 (48%) patients (CP: 9 of 15 (60%), AP: 3 of 10 (30%)) and a decrease of < 50% Ph-positive metaphases was seen in an additional five (CP: 4 patients; AP: 1 patient). The percentage of complete Ph-disappearance was 66% in patients receiving this procedure within the first 2 years of diagnosis and 30% in those treated after the second year of diagnosis. So far, the Ph-negative collections have been used in 9 patients (CP: 8 patients; AP: 1 patient) as autograft after conditioning with total body irradiation/etoposide/CY. Seven of 9 patients engrafted and 5 are alive and well, Ph-negative at 2+, 3+, 6+, 10+ and 18+ months.


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Transfusão de Componentes Sanguíneos , Transfusão de Sangue Autóloga , Células-Tronco Hematopoéticas , Leucemia Mielogênica Crônica BCR-ABL Positiva/sangue , Leucemia Mieloide de Fase Acelerada/sangue , Leucemia Mieloide de Fase Crônica/sangue , Adulto , Separação Celular , Terapia Combinada , Citarabina/uso terapêutico , Etoposídeo/uso terapêutico , Feminino , Proteínas de Fusão bcr-abl/genética , Fator Estimulador de Colônias de Granulócitos/uso terapêutico , Transplante de Células-Tronco Hematopoéticas , Humanos , Idarubicina/uso terapêutico , Fatores Imunológicos/uso terapêutico , Interferon-alfa/uso terapêutico , Leucemia Mielogênica Crônica BCR-ABL Positiva/tratamento farmacológico , Leucemia Mielogênica Crônica BCR-ABL Positiva/terapia , Leucemia Mieloide de Fase Acelerada/tratamento farmacológico , Leucemia Mieloide de Fase Acelerada/patologia , Leucemia Mieloide de Fase Acelerada/terapia , Leucemia Mieloide de Fase Crônica/tratamento farmacológico , Leucemia Mieloide de Fase Crônica/patologia , Leucemia Mieloide de Fase Crônica/terapia , Masculino , Pessoa de Meia-Idade , Reação em Cadeia da Polimerase , RNA Mensageiro/análise , RNA Neoplásico/análise , Proteínas Recombinantes/uso terapêutico , Indução de Remissão , Fatores de Tempo , Resultado do Tratamento
16.
Leuk Lymphoma ; 5(1): 43-7, 1991.
Artigo em Inglês | MEDLINE | ID: mdl-27463208

RESUMO

Forty consecutive adult patients under the age of 50 with acute non-lymphoblastic leukemia (ANLL) in first complete remission, underwent autologous bone marrow transplantation (ABMT) between March 1984 and April 1990. The conditioning regimen employed included cyclophosphamide and total body irradiation, followed by the administration of unpurged ABMT. The median time from diagnosis to transplant was 7 months (3-15 months), and the median time from complete remission to ABMT was 4 months (range 3-9 months). Twenty-two (51%) patients remain in complete remission 6-81 months (median 24 months) after ABMT. The causes of death were, recurrent leukemia (11 patients), parenchymal toxicities such as acute respiratory distress syndrome and veno-occlusive disease (3 patients), hemorrhage (2 patients) and infection (2 patients). Eleven patients relapsed after 3-12 months (median 5 months). This study has produced survival data comparable to those of other institutions employing TBI for either allo or autotransplants.

17.
Cancer Genet Cytogenet ; 43(1): 51-6, 1989 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-2790772

RESUMO

Chromosome analysis showed a t(9;9)(p13;q34) in a patient with chronic myeloid leukemia (CML) without a Philadelphia (Ph) chromosome in all examined cells. Southern blot analysis of leukocyte DNA revealed rearrangement of breakpoint cluster region (bcr) within the 5.8-kb bcr sequences as in Ph-positive CML patients. The findings confirm that the 9q34 and 22q11 bands are always involved in CML independent of the chromosomal evidence. It is suggested that Ph-negative bcr-positive CML may have variant translocations, as in the case of the t(9;9) reported here.


Assuntos
Cromossomos Humanos Par 9 , Rearranjo Gênico , Leucemia Mielogênica Crônica BCR-ABL Positiva/genética , Leucemia Mieloide Crônica Atípica BCR-ABL Negativa/genética , Família Multigênica , Translocação Genética , Southern Blotting , Bandeamento Cromossômico , Feminino , Humanos , Cariotipagem , Pessoa de Meia-Idade
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