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Inicio Actas Urológicas Españolas (English Edition) Hypofractionated radiation therapy versus conventional radiation therapy in pros...
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Vol. 39. Issue 6.
Pages 367-374 (July - August 2015)
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Vol. 39. Issue 6.
Pages 367-374 (July - August 2015)
Review
Hypofractionated radiation therapy versus conventional radiation therapy in prostate cancer: A systematic review of its safety and efficacy
Radioterapia hipofraccionada versus radioterapia convencional en cáncer de próstata: una revisión sistemática sobre eficacia y seguridad
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L.M. Sánchez-Gómeza,b,c,
Corresponding author
luism.sanchez@isciii.es

Corresponding author.
, M. Polo-deSantosa, J.I. Rodríguez-Melcónd, J.C. Anguloe, S. Luengo-Matosa
a Agencia de Evaluación de Tecnologías Sanitarias (AETS), Instituto de Salud Carlos III (ISCIII), Ministerio de Economía y Competitividad, Madrid, Spain
b Instituto de Investigación Sanitaria del Hospital Universitario de La Princesa (IP), Madrid, Spain
c Red de Investigación en Servicios de Salud en Enfermedades Crónicas (REDISSEC), Spain
d Servicio de Oncología Radioterápica, Hospital Universitario de Gran Canaria Dr. Negrín, Las Palmas de Gran Canaria, Spain
e Servicio de Urología, Hospital Universitario de Getafe, Universidad Europea de Madrid, Madrid, Spain
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Tables (4)
Table 1. Search strategy and databases used.
Table 2. Quality of evidence and grade of recommendation according to the scale of the Centre for Evidence-Based Medicine of Oxford for treatment studies.
Table 3. Characteristics of the different studies included in the three selected works.
Table 4. Results found in the studies included in the three selected works.
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Abstract
Context

New therapeutic alternatives can improve the safety and efficacy of prostate cancer treatment.

Objectives

To assess whether hypofractionated radiation therapy results in better safety and efficacy in the treatment of prostate cancer.

Acquisition of evidence

Systematic review of the literature through searches on PubMed, Cochrane Library, CRD, ClinicalTrials and EuroScan, collecting indicators of safety and efficacy.

Synthesis of the evidence

We included two systematic reviews and a clinical trial. In terms of efficacy, there is considerable heterogeneity among the studies, and no conclusive results were found concerning the superiority of the hypofractionated option over the normal fractionated option. In terms of safety, there were no significant differences in the onset of acute genitourinary complications between the two treatments. However, one of the reviews found more acute gastrointestinal complications in patients treated with hypofractionated radiation therapy. There were no significant differences in long-term complications based on the type of radiation therapy used, although the studies did have limitations.

Conclusions

To date, there are no conclusive results that show that hypofractionated radiation therapy is more effective or safer than normal fractionated radiation therapy in the treatment of localized prostate cancer.

Keywords:
Prostate cancer
Radiation therapy
Hypofractionation
Systematic review
Resumen
Contexto

Nuevas alternativas terapéuticas pueden mejorar la eficacia y seguridad del tratamiento del cáncer de próstata.

Objetivo

Evaluar si la radioterapia hipofraccionada conlleva mejor eficacia y seguridad en el tratamiento del cáncer de próstata.

Adquisición de la evidencia

Revisión sistemática de la literatura con búsqueda en Pubmed, Cochrane Libarry, CRD, ClinicalTrials y Euroscan, recogiéndose indicadores de efectividad y seguridad.

Síntesis de la evidencia

Se incluyeron 2 revisiones sistemáticas y un ensayo clínico. En relación con la eficacia existe una gran heterogeneidad entre los estudios, y no se encuentran resultados concluyentes de la superioridad de la opción hipofraccionada sobre la normofraccionada. En relación con la seguridad no se encuentran diferencias significativas en la aparición de complicaciones genitourinarias agudas entre ambos tratamientos. Sin embargo, una de las revisiones encuentra más complicaciones gastrointestinales agudas en los pacientes tratados con radioterapia hipofraccionada. En las complicaciones a largo plazo no se encuentran diferencias significativas según el tipo de radioterapia utilizada, aunque los estudios presentan limitaciones.

Conclusiones

Hasta el momento no existen resultados concluyentes que demuestren que la radioterapia hipofraccionada es más eficaz o segura que la normofraccionada en el tratamiento del cáncer de próstata localizado.

Palabras clave:
Cáncer de próstata
Radioterapia
Hipofraccionamiento
Revisión sistemática

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