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1.
Actas Urol Esp ; 31(7): 714-8, 2007.
Article in Spanish | MEDLINE | ID: mdl-17902463

ABSTRACT

OBJECTIVE: to analyze metastatic prostate cancer progression in patients treated with hormonal blockade as well as second line hormonal treatments outcomes. PATIENTS AND METHODS: 199 metastatic patients were selected from a 455 hormonal treated patients pool. Time to biochemical progression was studied with Kaplan Meier analysis and patients were stratified according to pathological differentiation. Second line treatment lasting and efficacy were also assessed. RESULTS: 74 patients out of 192 metastatic patients (56.1%) progressed in terms of PSA. Median time to biochemical progression was 1.7 years (1.2-2.3, CI 95%). We did not find stadistical differences on pathological differentiation (p = 0.238). Second line treatment's efficacy, applied to 41 patients was 34.1%, without any stadistical differences among these treatments. Response treatment median time was 6.8 months without stadistical differences among different treatments (p = 0.220). CONCLUSIONS: hormonal blockade efficacy in metastatic prostate cancer has a limited value in time in our experience. One third of these patients have a limited response to a second line treatment although this response is even shorter in duration.


Subject(s)
Androgen Antagonists/therapeutic use , Orchiectomy , Prostatic Neoplasms/pathology , Prostatic Neoplasms/therapy , Aged , Humans , Male , Neoplasm Metastasis , Retrospective Studies
2.
Actas urol. esp ; 31(7): 714-718, jul.-ago. 2007. ilus, tab
Article in Es | IBECS | ID: ibc-055805

ABSTRACT

Objetivos: analizar la evolución de los pacientes con cáncer de próstata metastásico sometidos a bloqueo androgénico hasta la progresión de la enfermedad, así como la eficacia de los tratamientos hormonales de segunda línea aplicados. Material y métodos: de 455 pacientes sometidos a bloqueo androgénico se seleccionaron 192 en estadio metastático. En éstos se analizó el tiempo desde el inicio del tratamiento hasta la progresión de PSA, estratificándose a los pacientes en función del grado de diferenciación histológica, mediante un análisis Kaplan-Meier. Asimismo se analizó la respuesta a manipulaciones hormonales de segunda línea aplicadas en términos de eficacia y duración de la misma. Resultados: de 192 pacientes con estadio clínico metastático al inicio del bloqueo, 74 (56,1%) presentaron progresión de PSA. La mediana de tiempo hasta la aparición de dicha progresión fue de 1,7 años (1,2-2,3; IC95), no hallándose diferencias al estratificar a los pacientes en función del grado de diferenciación al diagnóstico (p=0,238). La eficacia global del tratamiento hormonal de segunda línea, aplicado a 41 pacientes, fue de 34,1%, sin hallarse diferencias entre las tres modalidades. La mediana de tiempo de duración de dicha respuesta fue de 6,8 meses, no objetivándose diferencias estadísticamente significativas entre modalidades (p=0,220). Conclusiones: en nuestra experiencia, la eficacia del bloqueo hormonal en pacientes con cáncer prostático metastásico tiene una duración limitada. Aproximadamente un tercio de estos pacientes responde a manipulación hormonal de segunda línea, aunque la duración de dicha respuesta es aún más limitada


Objective: to analyze metastatic prostate cancer progression in patients treated with hormonal blockade as well as second line hormonal treatments outcomes. Patients and Methods: 199 metastatic patients were selected from a 455 hormonal treated patients pool. Time to biochemical progression was studied with Kaplan Meier analysis and patients were stratified according to pathological differentiation. Second line treatment lasting and efficacy were also assessed. Results:74 patients out of 192 metastatic patients (56.1%) progressed in terms of PSA. Median time to biochemical progression was 1.7 years (1.2-2.3, CI 95%). We did not find stadistical differences on pathological differentiation (p=0.238). Second line treatment’s efficacy, applied to 41 patients was 34.1%, without any stadistical differences among these treatments. Response treatment median time was 6.8 months without stadistical differences among different treatments (p=0.220). Conclusions: hormonal blockade efficacy in metastatic prostate cancer has a limited value in time in our experience. One third of these patients have a limited response to a second line treatment although this response is even shorter in duration


Subject(s)
Male , Aged , Humans , Antineoplastic Agents, Hormonal/therapeutic use , Prostate-Specific Antigen/blood , Androgen Antagonists/therapeutic use , Prostatic Neoplasms/drug therapy , Treatment Outcome , Time Factors , Neoplasm Staging , Prostatic Neoplasms/secondary
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