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Inicio Acta Otorrinolaringológica Española Response to metronomic chemotherapy in a metastatic adenoid cystic carcinoma of ...
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Vol. 61. Issue 6.
Pages 452-454 (January 2010)
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Vol. 61. Issue 6.
Pages 452-454 (January 2010)
Response to metronomic chemotherapy in a metastatic adenoid cystic carcinoma of the Parotid Gland
Respuesta a quimioterapia metronómica en un carcinoma adenoide quístico metastásico de parótida
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Laura Visaa, Miguel Caballerob,
Corresponding author
mcaba@clinic.ub.es

Corresponding author.
, Juan J. Graua
a Servicio Oncología, Universidad de Barcelona, Hospital Clínic, IDIBAPS, Barcelona, Spain
b Servicio Otorrinolaringología, Universidad de Barcelona, HospitalClínic, IDIBAPS, Barcelona, Spain
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Abstract

Formerly, salivary gland cancer was considered to be chemoresistant. Chemotherapy is indicated when distant metastases or inoperable locorregional disease are observed, although the chemotherapy schedule is not well defined.

Data on chemotherapy treatment for adenoid cystic carcinoma consist of phaseII trials. Most of these studies analyze therapies with a combination of agents at full dose, although there is no clear evidence that such treatment improves survival.

The administration of cytotoxic agents with low doses at frequent, regular intervals with no drug-free interruptions is known as metronomic chemotherapy. Most head-to-head studies show similar or even superior therapeutic results with metronomic scheduling than with a maximum tolerated dose regime.

Our case report shows for first time the clinical activity of low-dose paclitaxel and cisplatin chemotherapy given separately as a single agent in metastatic adenoid cystic carcinoma of the parotid.

Keywords:
Adenoid cystic carcinoma
Parotid
Metronomic chemotherapy
Paclitaxel
Cisplatin
Resumen

Los tumores de glándulas salivares han sido considerados hasta hace pocos años quimiorresistentes. El tratamiento con quimioterapia está indicado en el contexto de enfermedad locorregional irresecable o enfermedad metastásica.

La experiencia de quimioterapia en el carcinoma adenoide quístico de parótida se basa en estudios fase II; la mayoría con esquemas de quimioterapia en combinación y a dosis plenas, y sin evidencia de que aumenten la supervivencia.

Se conoce como quimioterapia metronómica a la administración de agentes citotóxicos a bajas dosis y a intervalos cortos y regulares, sin interrupciones en el tratamiento. La mayoría de estudios demuestran una eficacia similar o incluso superior y una menor toxicidad que cuando se administra con la máxima dosis tolerada.

Nuestro caso clínico muestra, por primera vez, la eficacia del paclitaxel y el cisplatino en monoterapia y a dosis metronómicas en el tratamiento del carcinoma adenoide quístico de parótida metastásico.

Palabras clave:
Carcinoma adenoide quístico
Quimioterapia metronómica
Paclitaxel
Parótida
Cisplatino

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