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2020, Number 1

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Rev Acta Médica 2020; 21 (1)

Characterization of symptomatic patients with metastatic prostate cancer and hormonal castration resistance

Caballero AI, Varona RLM, Robaina GM, Crombet RT, García GA, Mendoza HI, Artiles MAJ, Sánchez RI
Full text How to cite this article

Language: Spanish
References: 32
Page: 1-17
PDF size: 338.11 Kb.


Key words:

castration resistance, biochemical response, symptomatic patients, clinical and biochemical response.

ABSTRACT

Introduction: 15-25% of patients with prostate cancer develop hormonal castration resistance within the first 5 years after the diagnosis; of these, more than 80% have metastatic disease.
Objective: To characterize the clinical evolution, treatment and overall survival, as well as the clinical and biochemical response of patients with metastatic prostate cancer and hormonal castration resistance.
Methods: A descriptive, longitudinal and retrospective study was carried out with a sample of 137 symptomatic, metastatic patients with hormonal castration resistance and treated at Hermanos Ameijeiras Clinical-Surgical Hospital between 2006 and 2015. We estimated the overall survival and the clinical and biochemical progression time, according to an 95% CI associated with the Kaplan-Meier estimator.
Results: The mean age was 63 years and 81.4% had bone metastases. The mean time for starting chemotherapy was 1.5 years shorter in patients with Gleason index lower than 8 according to biopsy (p = 0.02), and initial PSA higher than 20 ng/mL. The median overall survival was 13.2 months and was higher in those who received chemotherapy with docetaxel-prednisone-nimotuzumab (19.2 months).
Conclusions: This study permitted to realize the benefit of chemotherapy in overall survival, pain control, and clinical and biochemical recurrence time. The results obtained from the so-called "true world" may contribute to the identification of biomarkers and the introduction of new drugs, such as nimotuzumab, in future clinical studies.


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Rev Acta Médica. 2020;21