RESUMO
A randomized controlled prospective evaluation of intravesical and percutaneous bacillus Calmette-Guerin immunotherapy was done in 57 patients with transitional cell carcinoma of the bladder. In addition, 9 patients at high risk for tumor recurrence were treated with bacillus Calmette-Guerin produced a self-limited cystitis and 1 complication (hydronephrosis) of immunotherapy was observed. Of the 57 randomized patients 54 were followed for 3 to 30 months. Tumor recurrence was documented in 13 of 26 controls (50 per cent) and only 6 of 28 patients (21 per cent) treated with bacillus Calmette-Guerin (p equals 0.027, chi-square). The interval free of disease was prolonged significantly with bacillus Calmette-Guerin treatment (p equals 0.014, generalized Wilcoxon test). Importantly, a simple purified protein derivative skin test distinguished those patients who responded to bacillus Calmette-Guerin immunotherapy from those who did not. Only 1 of 17 treated patients (6 per cent) whose purified protein derivative test converted from negative to positive had tumor recurrence compared to 5 recurrences (38 per cent) among the 13 patients whose test remained negative or had been positive before treatment (p equals 0.022, chi-square). Bacillus Calmette-Guerin was given to 10 patients with stage B transitional cell carcinoma who were not candidates for cystectomy and 7 are free of disease. Of 5 patients with carcinoma in situ 3 remain free of tumor after bacillus Calmette-Guerin treatment and 5 of 6 who had multiple recurrences after intravesical chemotherapy responded favorably to bacillus Calmette-Guerin immunotherapy.
Assuntos
Vacina BCG/uso terapêutico , Carcinoma in Situ/terapia , Carcinoma de Células de Transição/terapia , Neoplasias da Bexiga Urinária/terapia , Idoso , Ensaios Clínicos como Assunto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Recidiva Local de Neoplasia , Estudos Prospectivos , Distribuição Aleatória , Risco , Fatores de Tempo , Teste TuberculínicoRESUMO
Fifty-one patients with confirmed bladder cancer have enrolled in a prospective evaluation of BCG immunotherapy. Following resection of existing tumors, patients were stratified according to tumor grade and number of previous recurrences and randomly assigned to control or BCG treatment groups. Immunotherapy consisted of six weekly administrations of Pasteur strain BCG using 120 mg intravesically and 5 mg percutaneously. Immunotherapy side effects were minimal and no patient required postponement of BCG treatments. Eleven control (46%) compared with five (22%) BCG-treated patients had tumor recurrence (P = 0.078, chi 2). Prolongation of the disease-free interval with BCG treatment was significantly at the P = 0.016 level by Wilcoxon analysis. Four control and two BCG-treated patients had multiple recurrences. Comparing total episodes of recurrence, nineteen of 79 (24%) control and eight of 85 (7%) BCG group cystoscopic examinations revealed tumor (P = 0.006, chi 2). Immunologic correlates of response to immunotherapy were not statistically significant since only five BCG-treated patients had tumor recurrence. However, four of these five patients evidenced impaired LIF response to PPD at the time of tumor recurrence, and impairment of skin test reactivity and BCG humoral antibody response were more commonly seen in this subgroup of patients.
Assuntos
Vacina BCG/uso terapêutico , Carcinoma de Células de Transição/terapia , Recidiva Local de Neoplasia/terapia , Neoplasias da Bexiga Urinária/terapia , Formação de Anticorpos , Vacina BCG/administração & dosagem , Carcinoma de Células de Transição/imunologia , Ensaios Clínicos como Assunto , Seguimentos , Humanos , Imunidade Celular , Estudos Prospectivos , Testes Cutâneos , Neoplasias da Bexiga Urinária/imunologiaRESUMO
Thirty-seven patients were enrolled in a randomized prospective study to compare standard surgical therapy for superficial bladder cancer to standard therapy plus bacillus Calmette-Guerin (BCG). Side effects of BCG have been tolerated well and include dysuria in 95 per cent of the patients, urinary frequency in 83 per cent, hematuria in 39 per cent, fever in 22 per cent and nausea in 22 per cent. Of 19 control patients 8 (42 per cent) had recurrent tumors in the followup period, compared to 3 of 18 patients (17 per cent) treated with BCG. One patient treated wih BCG had 2 recurrences, yielding a recurrence rate of 22 per cent in the group receiving BCG compared to 42 per cent in controls. When the incidence of recurrent tumors in matched intervals before and after entry into the protocol is compared, no change in the rate of tumor recurrence (p equals 0.726 chi-square) occurred in controls, whereas tumor recurrences were reduced significantly in the group treated with BCG (p equals 0.010 chi-square). The reduction in tumor recurrence in patients treated with BCG compared to controls is statistically significant (p equals 0.029 chi-square). Of 4 patients who presented with new bladder tumors remain free of tumor after BCG therapy, while 2 of 5 comparable control patients developed recurrent tumors. Intravesical and percutaneous BCG immunotherapy appears to decrease the rate of tumor recurrence in patients followed for 1 year.
Assuntos
Vacina BCG/uso terapêutico , Carcinoma de Células de Transição/terapia , Neoplasias da Bexiga Urinária/terapia , Idoso , Vacina BCG/efeitos adversos , Ensaios Clínicos como Assunto , Feminino , Febre/etiologia , Hematúria/etiologia , Humanos , Masculino , Pessoa de Meia-Idade , Náusea/etiologia , Recidiva Local de Neoplasia/prevenção & controle , Estudos Prospectivos , Distribuição Aleatória , Transtornos Urinários/etiologiaRESUMO
Antisera raised to dehistonized chromatin from isolated normal human granulocytes revealed the presence of chromatin-associated antigens specific for the human neutrophils that appear during late stages of myeloid cellular differentiation. Immunological specificity was demonstrated by C fixation, immunodiffusion, and immunocytochemical reactions. Chromatin prepared from both normal granulocytes and specimens of myeloid leukemia showed immunologic reactivity. Although the normal antigens were detected in a specimen of CML, the position of immunodiffusion precipitin lines was different from that obtained with normal granulocyte chromatin. In addition, chromatin prepared from the myeloid leukemic cell line HL-60 expressed only one of the three precipitin bands normally found in immunodiffusion. The immunocytochemical staining reaction was confined to the nucleus of mature neutrophils in normal peripheral blood smears. Greater than 90% of cells in peripheral blood specimens of CML showed positive immunocytochemical nuclear staining. In other types of leukaemia, the normal mature granulocyte reacted with antiserum, but the nonmyeloid leukemic cells in these specimens did not. The specificity of immunologic reactions described here suggests the usefulness of nuclear antigens as cell markers.
Assuntos
Antígenos/isolamento & purificação , Cromatina/imunologia , Epitopos , Granulócitos/imunologia , Leucemia Mieloide/imunologia , Animais , Neoplasias da Mama/imunologia , Testes de Fixação de Complemento , Cricetinae , Feminino , Fixadores , Humanos , Soros Imunes/farmacologia , Imunodifusão , Leucaférese , Leucemia Linfoide/imunologia , Ovário/imunologia , Fagócitos/imunologia , CoelhosAssuntos
Vacina BCG/uso terapêutico , Imunoterapia/métodos , Inoculação de Neoplasia , Neoplasias/terapia , Animais , Carcinoma de Células de Transição , Camundongos , Camundongos Endogâmicos C3H , Mycobacterium bovis/imunologia , Transplante de Neoplasias , Neoplasias Experimentais , Infecção da Ferida Cirúrgica/prevenção & controle , Neoplasias da Bexiga UrináriaRESUMO
Darier's disease is frequently complicated by bacterial skin infections and occasionally by Kaposi's varicelliform eruption. Postulating that defective host immunologic competence might explain these infections, humoral and cell-mediated immunity (CMI) were evaluated in four patients. Humoral immunity was normal as demonstrated by quantitative immunoglobulins, isohemagglutinins, direct skin immunofluorescence, and B-cell counts. The CMI was evaluated by standard delayed type hypersensitivity skin tests, T-cell counts, lymphocyte transformation assays, macrophage inhibition factor (MIF) assays, and skin windows. Blunted lymphocyte blastogenesis, MIF, and skin window response indicated depressed CMI. Polymorphonuclear leukocyte chemotaxis and phagocytosis were normal.
Assuntos
Doença de Darier/imunologia , Imunidade , Adolescente , Adulto , Humanos , Imunidade Celular , Imunoglobulinas/análise , Técnicas Imunológicas , Linfócitos/imunologia , Pessoa de Meia-Idade , Testes Cutâneos , Técnica de Janela CutâneaRESUMO
A marked stimulation of normal guinea pig lymphocytes was obtained by incubating them with liposomes that contained both antibody to lymphocytes to provide "homing" of the vesicles and immune RNA isolated from guinea pigs immunized with syngeneic line 10 hepatocarcinoma cells. Tumor cell cytotoxicity was monitored by a 51Cr release assay. This target cell delivery of immune RNA by liposomes produced a dose-dependent stimulation up to 12 times that achieved by in vitro methods with naked immune RNA.
Assuntos
Carcinoma Hepatocelular/imunologia , Citotoxicidade Imunológica , Lipossomos/imunologia , Neoplasias Hepáticas/imunologia , Linfócitos/imunologia , RNA/imunologia , Animais , Soro Antilinfocitário/administração & dosagem , Carcinoma Hepatocelular/tratamento farmacológico , Dactinomicina/administração & dosagem , Cobaias , Técnicas In Vitro , Neoplasias Hepáticas/tratamento farmacológico , Neoplasias Experimentais/imunologiaAssuntos
Carcinógenos/imunologia , Imunidade , Animais , Formação de Anticorpos/efeitos dos fármacos , Carcinógenos/farmacologia , Proteínas do Sistema Complemento/biossíntese , Dermatite de Contato/etiologia , Dermatite de Contato/imunologia , Cobaias , Humanos , Imunidade Celular , Linfócitos/imunologia , Macrófagos/metabolismo , Metilcolantreno/imunologia , Metilcolantreno/metabolismo , CamundongosAssuntos
Inibição de Migração Celular , Leucócitos/metabolismo , Macrófagos , Toxinas Biológicas/biossíntese , Síndrome de Wiskott-Aldrich/metabolismo , Adulto , Aminoácidos/metabolismo , Animais , Candida albicans , Isótopos de Carbono , Células Cultivadas , Criança , Fibroblastos/efeitos dos fármacos , Fibroblastos/metabolismo , Humanos , Lectinas/farmacologia , Camundongos , Mitógenos/farmacologia , Staphylococcus , Estreptolisinas/farmacologia , Timidina/metabolismo , Trítio , Síndrome de Wiskott-Aldrich/imunologiaAssuntos
Coccidioidomicose/imunologia , Imunidade Materno-Adquirida , Adulto , Animais , Antígenos/isolamento & purificação , Candida , Inibição de Migração Celular , Doença Crônica , Coccidioidomicose/tratamento farmacológico , Seguimentos , Cobaias/imunologia , Humanos , Hipersensibilidade , Imunidade Celular , Ativação Linfocitária , Linfócitos , Macrófagos/imunologia , Masculino , Fatores de Tempo , Teste TuberculínicoAssuntos
Movimento Celular , Hipersensibilidade Tardia/imunologia , Linfócitos/imunologia , Macrófagos/imunologia , Testes Cutâneos , Tuberculina , Animais , Antígenos , Proteínas de Bactérias/análise , Inibição de Migração Celular , Técnicas de Cultura , Cobaias , Ativação Linfocitária , Mycobacterium bovis/imunologia , Polissacarídeos Bacterianos/análise , Tuberculina/análiseRESUMO
Supernatant fluids of specifically stimulated lymphocyte cultures were purified. Fractions containing migration inhibition factor when injected intra-dermally into strain-2 guinea pigs produced a reaction similar in appearance to delayed cutaneous hypersensitivity. There was an accumulation of mononuclear cells at the injection sites and the growth of syngeneic tumor grafts at the sites was suppressed.
Assuntos
Carcinoma Hepatocelular/imunologia , Hipersensibilidade Tardia , Linfócitos/imunologia , Neoplasias Experimentais/imunologia , Animais , Carcinoma Hepatocelular/induzido quimicamente , Cobaias , Terapia de Imunossupressão , Injeções Intradérmicas , Neoplasias Hepáticas , Transplante de Neoplasias , NitrosaminasAssuntos
Hipersensibilidade Tardia/imunologia , Linfócitos/imunologia , RNA , Testes Cutâneos , Animais , Antígenos , Vacina BCG , Encéfalo , Movimento Celular , Dinitrofenóis , Adjuvante de Freund , Cobaias , Imunização Passiva , Linfonodos/análise , Linfonodos/imunologia , Lisina , Macrófagos/imunologia , Peptídeos , Medula Espinal , Baço/imunologia , Extratos de Tecidos , Teste TuberculínicoRESUMO
A tuberculin carbohydrate fraction, GAE, in sensitized animals induced a delayed type of skin reactivity and inhibited the migration of macrophages but failed to stimulate lymphocyte transformation in vitro. Tuberculin protein-containing fractions were active in each test. These results show that in vitro lymphocyte transformation is not necessarily a corollary of delayed type hypersensitivity.