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	<title>Segunda línea &#8211; Grupo TTD</title>
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	<description>Grupo de Tratamiento de los Tumores Digestivos</description>
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	<title>Segunda línea &#8211; Grupo TTD</title>
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		<title>ASCO 2026: Avances en Cáncer de Páncreas</title>
		<link>https://grupottd.org/asco-2026-avances-en-cancer-de-pancreas/</link>
					<comments>https://grupottd.org/asco-2026-avances-en-cancer-de-pancreas/#respond</comments>
		
		<dc:creator><![CDATA[Susana Rodríguez]]></dc:creator>
		<pubDate>Fri, 31 Jul 2026 12:22:34 +0000</pubDate>
				<category><![CDATA[Artículos comentados]]></category>
		<category><![CDATA[ASCO 2026]]></category>
		<category><![CDATA[Cáncer de páncreas]]></category>
		<category><![CDATA[Daraxonrasib]]></category>
		<category><![CDATA[Inhibidor RAS multiselectivo]]></category>
		<category><![CDATA[KRAS]]></category>
		<category><![CDATA[NEJM]]></category>
		<category><![CDATA[Oncología de precisión]]></category>
		<category><![CDATA[PDAC]]></category>
		<category><![CDATA[RASolute 302]]></category>
		<category><![CDATA[Segunda línea]]></category>
		<category><![CDATA[Supervivencia global]]></category>
		<category><![CDATA[Terapia dirigida]]></category>
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					<description><![CDATA[El ensayo fase III RASolute 302 evalúa daraxonrasib frente a quimioterapia en 500 pacientes con cáncer de páncreas metastásico previamente tratado y muestra resultados sin precedentes: en la población con mutación RAS G12 (91,8%), el fármaco duplicó la supervivencia global (13,2 vs 6,6 meses; HR 0,40; p<0,001), mejoró la SLP (7,3 vs 3,5 meses; HR 0,45) y triplicó las respuestas (33,2% vs 11,8%). También retrasó el deterioro clínico por dolor. Su perfil de seguridad fue favorable, con eventos leves (rash, diarrea) y menor tasa de interrupción (1,2% vs 11,2%), aunque se registró un caso de neumonitis letal.

Conclusiones: 
• Eficacia histórica: Daraxonrasib duplica la SG (13,2 vs 6,6 m), mejora la SLP y triplica respuestas en RAS G12. 
• Reducción del 60% del riesgo de muerte (HR 0,40). 
• Calidad de vida: Retrasa el deterioro clínico por dolor 
• Seguridad: Perfil favorable (rash/diarrea) y baja interrupción (1,2% vs 11,2%). • Impacto: Nuevo estándar en 2ª línea.]]></description>
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					<h2 class="elementor-heading-title elementor-size-default">ASCO 2026: Avances en Cáncer de Páncreas</h2>				</div>
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					<h5 class="elementor-heading-title elementor-size-default">Edición:</h5>				</div>
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					<p class="elementor-heading-title elementor-size-default">Publicación científica 2026</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">31 de julio  2026</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">O'Reilly EM, Wainberg ZA, Hendifar AE, Borad MJ, Pietrantonio F, Pant S, Hammel P, Cremolini C, Manji GA, Oberstein PE, Garrido-Laguna I, Springfeld C, Azad NS, Ueno M, Chui SY, Zhang Y, Patel H, Lee Y, Salman Z, Wolpin BM.</p>				</div>
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					<p class="elementor-heading-title elementor-size-default">Miguel Berzosa Sánchez. Hospital Arnau de Vilanova, Valencia (Miembro de la Asamblea General del Grupo TTD)</p>				</div>
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									<p>El ensayo fase III RASolute 302 evalúa daraxonrasib frente a quimioterapia en 500 pacientes con cáncer de páncreas metastásico previamente tratado y muestra resultados sin precedentes: en la población con mutación RAS G12 (91,8%), el fármaco duplicó la supervivencia global (13,2 vs 6,6 meses; HR 0,40; p&lt;0,001), mejoró la SLP (7,3 vs 3,5 meses; HR 0,45) y triplicó las respuestas (33,2% vs 11,8%). También retrasó el deterioro clínico por dolor. Su perfil de seguridad fue favorable, con eventos leves (rash, diarrea) y menor tasa de interrupción (1,2% vs 11,2%), aunque se registró un caso de neumonitis letal.</p><p><strong>Conclusiones: </strong></p><p>• Eficacia histórica: Daraxonrasib duplica la SG (13,2 vs 6,6 m), mejora la SLP y triplica respuestas en RAS G12. • Reducción del 60% del riesgo de muerte (HR 0,40).</p><p>• Calidad de vida: Retrasa el deterioro clínico por dolor</p><p>• Seguridad: Perfil favorable (rash/diarrea) y baja interrupción (1,2% vs 11,2%). </p><p>Impacto: Nuevo estándar en 2ª línea.</p>								</div>
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					<wfw:commentRss>https://grupottd.org/asco-2026-avances-en-cancer-de-pancreas/feed/</wfw:commentRss>
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		<title>Nuevas terapias dirigidas e inmunoterapia para el tratamiento del cáncer biliar avanzado en segunda línea</title>
		<link>https://grupottd.org/nuevas-terapias-dirigidas-e-inmunoterapia-para-el-tratamiento-del-cancer-biliar-avanzado-en-segunda-linea/</link>
					<comments>https://grupottd.org/nuevas-terapias-dirigidas-e-inmunoterapia-para-el-tratamiento-del-cancer-biliar-avanzado-en-segunda-linea/#respond</comments>
		
		<dc:creator><![CDATA[Susana Rodríguez]]></dc:creator>
		<pubDate>Fri, 17 Jul 2026 11:52:12 +0000</pubDate>
				<category><![CDATA[Artículos comentados]]></category>
		<category><![CDATA[angiogénesis]]></category>
		<category><![CDATA[Biomarcadores]]></category>
		<category><![CDATA[Déficit de la recombinación homóloga]]></category>
		<category><![CDATA[inmunoterapia]]></category>
		<category><![CDATA[Segunda línea]]></category>
		<category><![CDATA[Vía biliar]]></category>
		<guid isPermaLink="false">https://grupottd.org/?p=13463</guid>

					<description><![CDATA[El estudio de fase II BTC-BGB evaluó la combinación de sitravatinib  y tislelizumab  como segunda línea en 43 pacientes con cáncer de vía biliar avanzado. Los resultados muestran una actividad clínica prometedora con una tasa de control de la enfermedad (DCR) del 65.1% y una mediana de supervivencia global de 10.3 meses. La eficacia se mantuvo independientemente de la exposición previa a inmunoterapia. Además, se identificó la deficiencia en la recombinación homóloga (HRD) como un biomarcador clave asociado a respuestas significativamente superiores

Conclusiones: 

·	Eficacia: DCR del 65.1%, PFS de 4.93 meses y OS de 10.3 meses.
·	Biomarcador: La HRD predice mejores respuestas (ORR 60% vs. 13.6%) y mayor supervivencia (OS 21.13 meses).
·	Seguridad: Perfil manejable; toxicidad común incluye eritrodisestesia palmo-plantar e hipertensión.
·	Versatilidad: Eficaz con o sin inmunoterapia previa

]]></description>
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					<h2 class="elementor-heading-title elementor-size-default">Nuevas terapias dirigidas e inmunoterapia para el tratamiento del cáncer biliar avanzado en segunda línea</h2>				</div>
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					<h5 class="elementor-heading-title elementor-size-default">Edición:</h5>				</div>
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					<p class="elementor-heading-title elementor-size-default">Publicación científica 2026</p>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Fecha:</h4>				</div>
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					<p class="elementor-heading-title elementor-size-default">17 de julio  2026</p>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Autores:</h4>				</div>
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					<p class="elementor-heading-title elementor-size-default">Jeesun Yoon, Choong-kun Lee, Jin Won Kim, Beodeul Kang  , Se Jun Park  , Ji-Won Kim, Hong Jae Chon, Hye Jin Choi , Myung Ah Lee, Tae-Yong Kim , Do-Youn Oh</p>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Autor de la revisión:</h4>				</div>
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					<p class="elementor-heading-title elementor-size-default">Marcos Melián Sosa, Instituto Valenciano de Oncología (Miembro de la Asamblea General del Grupo TTD)</p>				</div>
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									<p>El estudio de fase II BTC-BGB evaluó la combinación de sitravatinib  y tislelizumab  como segunda línea en 43 pacientes con cáncer de vía biliar avanzado. Los resultados muestran una actividad clínica prometedora con una tasa de control de la enfermedad (DCR) del 65.1% y una mediana de supervivencia global de 10.3 meses. La eficacia se mantuvo independientemente de la exposición previa a inmunoterapia. Además, se identificó la deficiencia en la recombinación homóloga (HRD) como un biomarcador clave asociado a respuestas significativamente superiores</p><p> </p><ul><li>Conclusiones:</li><li><strong>Eficacia:</strong> DCR del 65.1%, PFS de 4.93 meses y OS de 10.3 meses.</li><li><strong>Biomarcador:</strong> La <strong>HRD</strong> predice mejores respuestas (ORR 60% vs. 13.6%) y mayor supervivencia (OS 21.13 meses).</li><li><strong>Seguridad:</strong> Perfil manejable; toxicidad común incluye eritrodisestesia palmo-plantar e hipertensión.</li><li><strong>Versatilidad:</strong> Eficaz con o sin inmunoterapia previa</li></ul>								</div>
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					<wfw:commentRss>https://grupottd.org/nuevas-terapias-dirigidas-e-inmunoterapia-para-el-tratamiento-del-cancer-biliar-avanzado-en-segunda-linea/feed/</wfw:commentRss>
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		<title>Estudio LEVIATHAN en segunda línea de carcinoma hepatocelular</title>
		<link>https://grupottd.org/lenvatinib-vs-sorafenib-as-second-line-treatment-post-atezolizumab-plus-bevacizumab-for-hepatocellular-carcinoma-the-leviathan-study/</link>
					<comments>https://grupottd.org/lenvatinib-vs-sorafenib-as-second-line-treatment-post-atezolizumab-plus-bevacizumab-for-hepatocellular-carcinoma-the-leviathan-study/#respond</comments>
		
		<dc:creator><![CDATA[Susana Rodríguez]]></dc:creator>
		<pubDate>Mon, 27 Apr 2026 10:50:49 +0000</pubDate>
				<category><![CDATA[Artículos comentados]]></category>
		<category><![CDATA[Hepatocarcinoma]]></category>
		<category><![CDATA[lenvatinib]]></category>
		<category><![CDATA[observacional]]></category>
		<category><![CDATA[progresión a inmunoterapia]]></category>
		<category><![CDATA[Propensity score matching]]></category>
		<category><![CDATA[Secuencia de tratamiento]]></category>
		<category><![CDATA[Segunda línea]]></category>
		<category><![CDATA[sorafenib]]></category>
		<guid isPermaLink="false">https://grupottd.org/?p=12923</guid>

					<description><![CDATA[El estudio Leviathan es un estudio observacional en segunda línea de carcinoma hepatocelular, que en pacientes en progresión a atezolizumab-bevacizumab compara lenvatinib con sorafenib. Al ser un estudio no randomizado se realiza un Propensity Score Matching para minimizar sesgos. Se analizaron 230 pacientes procedentes de una base de datos prospectiva. Su objetivo es evaluar tasas de control de enfermedad y supervivencia global. Lenvatinib obtuvo mejores resultados que sorafenib para todos los ítems analizados.]]></description>
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					<h2 class="elementor-heading-title elementor-size-default">Estudio LEVIATHAN en segunda línea de carcinoma hepatocelular</h2>				</div>
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					<h5 class="elementor-heading-title elementor-size-default">Edición:</h5>				</div>
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					<p class="elementor-heading-title elementor-size-default">Publicación científica 2026</p>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Fecha:</h4>				</div>
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					<p class="elementor-heading-title elementor-size-default">30 de abril de 2026</p>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Autores:</h4>				</div>
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					<p class="elementor-heading-title elementor-size-default">Pasquale Lombardi, Jung Sun Kim, Giulia F. Manfredi, Ciro Celsa, Claudia A. M. Fulgenzi, Antonio D’Alessio, Bernardo Stefanini, Niraj C. Doshi, Emily Warmington,Thomas U. Marron, Matthias Pinter, Bernhard Scheiner, Beodeul Kang, Ho Yeong Lim, Wei-Fan Hsu, Brooke Wietharn, Marianna Silletta, Alessandro Parisi, Chun-Yen Lin, Andrea Dalbeni, Gianluca Masi, Martin Schönlein, Johann von Felden, Fabio Piscaglia, Peter R. Galle, Masatoshi Kudo, Tiziana Pressiani, Lorenza Rimassa,Mario Pirisi, Giuseppe Cabibbo, Hong Jae Chon, David J. Pinato</p>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Autor de la revisión:</h4>				</div>
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					<p class="elementor-heading-title elementor-size-default">Alberto Carral Maseda. Complexo Hospitalario Universitario A Coruña (Miembro de la Asamblea General del Grupo TTD)</p>				</div>
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									<p>El estudio LEVIATHAN es un estudio observacional en segunda línea de carcinoma hepatocelular, que en pacientes en progresión a atezolizumab-bevacizumab compara lenvatinib con sorafenib. Al ser un estudio no randomizado se realiza un Propensity Score Matching para minimizar sesgos. Se analizaron 230 pacientes procedentes de una base de datos prospectiva. Su objetivo es evaluar tasas de control de enfermedad y supervivencia global. Lenvatinib obtuvo mejores resultados que sorafenib para todos los ítems analizados.</p>								</div>
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					<a class="elementor-button elementor-button-link elementor-size-sm" href="https://pmc.ncbi.nlm.nih.gov/articles/PMC12657762/" target="_blank">
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					<wfw:commentRss>https://grupottd.org/lenvatinib-vs-sorafenib-as-second-line-treatment-post-atezolizumab-plus-bevacizumab-for-hepatocellular-carcinoma-the-leviathan-study/feed/</wfw:commentRss>
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		<title>Cáncer gástrico HER2-positivo: resultados del estudio fase III KC-WISE</title>
		<link>https://grupottd.org/cancer-gastrico-her2-positivo-resultados-del-estudio-fase-iii-kc-wise/</link>
					<comments>https://grupottd.org/cancer-gastrico-her2-positivo-resultados-del-estudio-fase-iii-kc-wise/#respond</comments>
		
		<dc:creator><![CDATA[Susana Rodríguez]]></dc:creator>
		<pubDate>Thu, 12 Mar 2026 09:27:50 +0000</pubDate>
				<category><![CDATA[Artículos comentados]]></category>
		<category><![CDATA[Anbenitamab]]></category>
		<category><![CDATA[Anticuerpos biespecíficos]]></category>
		<category><![CDATA[Cáncer gástrico]]></category>
		<category><![CDATA[Ensayo fase III]]></category>
		<category><![CDATA[HER2 positivo]]></category>
		<category><![CDATA[Oncología digestiva]]></category>
		<category><![CDATA[Post-trastuzumab]]></category>
		<category><![CDATA[Segunda línea]]></category>
		<category><![CDATA[Terapia dirigida]]></category>
		<category><![CDATA[Unión gastroesofágica]]></category>
		<guid isPermaLink="false">https://grupottd.org/?p=12607</guid>

					<description><![CDATA[El ensayo fase III KC-WISE evaluó la eficacia y seguridad de anbenitamab, un anticuerpo biespecífico anti-HER2, en combinación con quimioterapia en pacientes con adenocarcinoma gástrico o de la unión gastroesofágica HER2-positivo previamente tratados con trastuzumab. En un análisis preliminar preespecificado, la combinación demostró mejoras significativas en supervivencia libre de progresión, supervivencia global y tasa de respuesta objetiva frente a quimioterapia sola, con un perfil de seguridad manejable, lo que sugiere su potencial como nueva estrategia terapéutica en este escenario clínico.]]></description>
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					<h2 class="elementor-heading-title elementor-size-default">Cáncer gástrico HER2-positivo: resultados del estudio fase III KC-WISE</h2>				</div>
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					<h5 class="elementor-heading-title elementor-size-default">Edición:</h5>				</div>
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					<p class="elementor-heading-title elementor-size-default">Publicación científica 2026</p>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Fecha:</h4>				</div>
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					<p class="elementor-heading-title elementor-size-default">12 de marzo de 2026</p>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Autores:</h4>				</div>
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					<p class="elementor-heading-title elementor-size-default">Liu R, Zhao J, Zhang R, Liu B, Liu Y, Li S, Chen Y, Yang H, Liu Z, Li Z, Qin Y, Huang M, Ba Y, Zhang H, Qu Y, Du Y, Deng T, Yang M, Hou X, Liu C, Ning F, Liu YP, Wu X, Xie Y, An Y, Zou K, She L, Xu J. </p>				</div>
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					<h4 class="elementor-heading-title elementor-size-default">Autor de la revisión:</h4>				</div>
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					<p class="elementor-heading-title elementor-size-default">Eduardo Terán Brage. Hospital Universitario Vall d`Hebron – Vall d`hebron Institute of Oncology (VHIO) (Miembro de la Asamblea General del Grupo TTD)</p>				</div>
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									<p>El ensayo fase III KC-WISE evaluó la eficacia y seguridad de anbenitamab, un anticuerpo biespecífico anti-HER2, en combinación con quimioterapia en pacientes con adenocarcinoma gástrico o de la unión gastroesofágica HER2-positivo previamente tratados con trastuzumab. En un análisis preliminar preespecificado, la combinación demostró mejoras significativas en supervivencia libre de progresión, supervivencia global y tasa de respuesta objetiva frente a quimioterapia sola, con un perfil de seguridad manejable, lo que sugiere su potencial como nueva estrategia terapéutica en este escenario clínico.</p>								</div>
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