Análisis de la farmacoterapia en cáncer de próstata metastásico resistente a la castración e identificación de factores predictivos de respuesta
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2023
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13/07/2022
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Universidad Complutense de Madrid
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El cáncer de próstata (CaP) es una enfermedad dependiente de andrógenos. Aunque inicialmente responde a la terapia de deprivación androgénica, con el tiempo pasa a la resistencia a la castración, durante la cual el tumor progresa a pesar de que los niveles plasmáticos de testosterona estén en rango de castración. Este estado se define como cáncer de próstata metastásico resistente a la castración (CPRCm).En este contexto, han surgido fármacos antiandrógenos de nueva generación, como el acetato de abiraterona o enzalutamida. Es interesante conocer la efectividad de estos fármacos en un entorno ajeno al de los ensayos clínicos, que permita analizar la influencia de las diferentes características basales en la SG de los pacientes con CPRCm.El PSA es el único biomarcador que ha demostrado ser útil en la monitorización de la respuesta al tratamiento en el CaP. Los criterios de consenso del Prostate Cancer Working Group (PCWG3) definen la respuesta y la progresión al tratamiento basándose en medidas compuestas de cambios clínicos, radiológicos y de PSA. A pesar de que los criterios del PCWG3 no recomiendan evaluar la respuesta al tratamiento durante las primeras 12 semanas debido a la posibilidad de respuestas tardías y reacciones tipo flare, diferentes estudios han demostrado una asociación entre la reducción temprana del PSA y la SG...
Prostate cancer (PC) is an androgen-dependant disease. Although it initially responds to androgen suppression therapy, response eventually transits to castration resistance, during which progression occurs despite castrate levels of testosterone. This state is defined as metastatic castration-resistant prostate cancer (mCRPC).In this context, new generation anti-androgen drugs have emerged, such as abiraterone acetate or enzalutamide. Collecting data of abiraterone acetate and enzalutamide in routine clinical practice is of value in order to confirm the effectiveness of the compounds outside the clinical trial setting, with an unselected population.To date, prostate-specific antigen (PSA) is the only biochemical marker that has proven to be useful in the follow-up of patients with PCa, with the consensus criteria of the Prostate Cancer Working Group (PCWG3) defining response to treatment and progression based on composite measures of clinical, radiologic, and PSA changes. Although PCWG3 criteria do not recommend determination of progression during the first 12 weeks because of the possibility of late responses and flare reactions, several studies have shown a strong association between early PSA reduction and OS...
Prostate cancer (PC) is an androgen-dependant disease. Although it initially responds to androgen suppression therapy, response eventually transits to castration resistance, during which progression occurs despite castrate levels of testosterone. This state is defined as metastatic castration-resistant prostate cancer (mCRPC).In this context, new generation anti-androgen drugs have emerged, such as abiraterone acetate or enzalutamide. Collecting data of abiraterone acetate and enzalutamide in routine clinical practice is of value in order to confirm the effectiveness of the compounds outside the clinical trial setting, with an unselected population.To date, prostate-specific antigen (PSA) is the only biochemical marker that has proven to be useful in the follow-up of patients with PCa, with the consensus criteria of the Prostate Cancer Working Group (PCWG3) defining response to treatment and progression based on composite measures of clinical, radiologic, and PSA changes. Although PCWG3 criteria do not recommend determination of progression during the first 12 weeks because of the possibility of late responses and flare reactions, several studies have shown a strong association between early PSA reduction and OS...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Farmacia, leída el 13-07-2022