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Quimio y radiosensibilización con metronidazol, AK - 2123 y melfalan en el cáncer de mama T3-T4. Rol de la hidralazina resultados a 5 años

Authors: Instituto Peruano de Seguridad Social; García A., Antonio; Ruiz P., Mario; Colchado A., Juan;

Quimio y radiosensibilización con metronidazol, AK - 2123 y melfalan en el cáncer de mama T3-T4. Rol de la hidralazina resultados a 5 años

Abstract

Entre 1988 y 1990, de 32 mujeres con cáncer de mama localmente avanzado (CMLA), ocho (25%) de las Pacientes con compromiso supraclavicular (MD, fueron tratadas con Metronidazol (MTZ), 8 (25%) pacientes, trece (41%) con el A3-Nitrotriazole (AK-2123) y once (34%) fueron grupo control. La mediana del Periodo de seguimiento fue 66 meses, las fases del protocolo comprendieron Radioterapia Reforzada Inicial Sensibilizada (RRIS) , que consiste en la inducción de hipoxia con Hidralazina (HDZ), 1 hora antes de MIZ o AK seguida de una dosis tumor (DT) de 3-4 Gy en la Primera semana, luego Radioterapia Estándar (RT) hasta completar una DT de 34 Gy en la Primera semana, luego Radioterapia estándar (RT) hasta completar una DT: 46-52 Gy en 4 semanas seguida de Quimioterapia (QT) de HDZ+Melfalan, 6 ciclos. El grupo control no recibió QT. El control loco regional completo a 2 años fue de 62% y 46% Para el grupo MIZYAK, en once (52%) de ellos no se logró remisión completa (N=IO casos) o recurrió localmente (N=l caso). La tasa bruta a 2 años de recurrencia local fue de 33% y 60% Para tumores>10 cm (N=8) y 40% y 50% Para tumores Pequeños (N=13) Para MTZ y AK (p=NS). Periodo actuarial libre de enfermedad a distancia a 5 años fue 63% y 30% Para los Protocolos MIZ y AK que completaron su QTY 0% Para los Pacientes control 0.05). Se concluye que MTZ es mejor agente radio sensibilizador para el control local y sistémico del CML4<10 cm de diámetro aunado a una QT Potenciada efectiva y económica. El Protocolo es bien tolerado y no Produce toxicidad.

From 1988-1990, 32 women with Stage Ill, locally advanced breast cancer (LABC), eight (25%) with supraclavicular involvement, were treated with Metronidazol (MIZ) eight (25%) Patients, thirteen (41%) with the A-3 nitrotriazole (AK- 2123) and eleven (34%) were control ones. Median follow-up was 66 months. Three phases of the clinical trial evolved, each one included sensitized boost radiotherapy with hypoxia induction with Hydralazine (HDZ), before administering MTZ or AK-2123, 20 or 10 min. Before delivering a TD: 3-4 Gy, three times, only on the first week of treatment. Thereafter standard daily irradiation (RT) up to reach a TD: 46-52 Gy. At the sixth week CT is started with MelPhalan (MPL) with hypoxia induction with HDZ, 6 cycles. The control group did not received CT Complete local-regional control at 2-years was 62% and 46% for MTZ and AK's group respectively, eleven (52%) did not achieve CR (N=Locals) or recurred locally (N=l case). The crude 2-year rate of local recurrence was 33% and 60% for tumor > 10 cm (N=8) and 40% and 50% for smaller tumor (N=13) for MTZ and AK Protocols (p:NS). Five-year actuarial freedom from distant failure was 63% and 30% for MTZ and AK groups+CT and 00% for the control one 0.05). It is concluded that MTZ is better radiosensitizer for local and systemic control ofL4BC. Treatment is effective, cheaper and without toxicity.

Keywords

Radiozensibilización, Breast cancer, Cáncer de mama, Chemo-therapeutic, Radiosensibilization, Terapéutica, Quimioterapia, Therapeutic, https://purl.org/pe-repo/ocde/ford#3.02.21

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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