Información sobre riesgo, prevención, detección, síntomas, diagnosis, tratamiento y apoyo para el cáncer.
Información sobre el tratamiento del cáncer incluyendo quirúrgica, quimioterapia, radioterapia, estudios clínicos, terapia con protón, medicina complementaria avanzadas.
OncoLink se complace en ofrecer una amplia lista de lista completa de los agentes quimioterapéuticos más comúnmente usados??. Esta guía de referencia incluye información sobre la forma en que cada fármaco se administra, cómo funcionan, y los pacientes los efectos secundarios comunes pueden experimentar.
Maneras que los pacientes de cáncer y las personas que le cuidan puedan enfrentar el cáncer, los efectos secundarios, nutrición, cuestiones en general sobre el apoyo para el cáncer, duelo/decisiones sobre el termino de vida, y experiencias compartidas por sobrevivientes.
Jeffrey C. Haynes, MD
Author: Oliver RTD et al.
Source: Lancet 366: 293-300.
The standard treatments for stage I seminoma are not ideal. Radiation carries the risk of second malignancy in these young patients, the majority of whom would remain free of disease even without radiation. Surveillance, however, carries its own risks. Some patients are lost to follow-up, and even with close follow-up, some patients will have advanced disease when their recurrence is discovered. This increases the risk of transformation into less curable non-seminomatous malignancies. An alternative treatment option such as carboplatin might alleviate some of these issues.
The study accrued enough patients to determine a 3% difference in relapse-free survival with 90% certainty. The two arms were well matched with respect to patient characteristics.
Relapse-free survival was not significantly different between the two arms. However, patients who received carboplatin were more likely to recur in the para-aortic nodes, whereas those who received radiation were more likely to recur in the pelvic or supradiaphragmatic nodes.
Second germ-cell tumors occurred significantly more often in the radiation arm.
Acute side effects differed between the two arms. In the carboplatin arm, thrombocytopenia was more common, but dyspepsia was less common.
Since relapse rates are identical with either treatment, carboplatin offers several benefits. It may reduce the risk of second germ-cell tumors by sterilizing carcinoma-in-situ present in the remaining gonad. Further, it may have less impact on fertility than radiation would, at least in the case of radiation treatment that includes a dog-leg field.
However, several issues remain to be addressed. Neither the optimal dosing nor the ideal follow-up strategies have been established for carboplatin therapy. In addition, it is possible that relapse rates will diverge with longer follow-up. Thus far, however, it appears that carboplatin is a reasonable adjuvant treatment option for patients with stage I seminoma.
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