{"id":4231,"date":"2025-07-10T11:03:35","date_gmt":"2025-07-10T15:03:35","guid":{"rendered":"https:\/\/happylungsproject.org\/?p=4231"},"modified":"2026-03-02T10:52:37","modified_gmt":"2026-03-02T15:52:37","slug":"ellipses-ret-inhibitor-ep0031-advances-to-phase-2-clinical-trials","status":"publish","type":"post","link":"https:\/\/happylungsproject.org\/ellipses-ret-inhibitor-ep0031-advances-to-phase-2-clinical-trials\/","title":{"rendered":"Ellipses\u2019 RET inhibitor EP0031 advances to Phase 2 clinical trials"},"content":{"rendered":"[vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221; row_position=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; pointer_events=&#8221;all&#8221;][vc_column_inner column_padding=&#8221;padding-3-percent&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color=&#8221;#f68d28&#8243; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; font_color=&#8221;#ffffff&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;10px&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]Ellipses\u2019 next generation selective RET inhibitor EP0031 advances to Phase 2 clinical trials in the USA.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221; row_position=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; pointer_events=&#8221;all&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_column_text css=&#8221;&#8221; text_direction=&#8221;default&#8221;]\n<h3>Clinical study for patients with RET+ solid tumors<\/h3>\n<p><a href=\"https:\/\/happylungsproject.org\/wp-content\/uploads\/2025\/07\/RET-clinical-study-phase-2-ellipses.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4232\" src=\"https:\/\/happylungsproject.org\/wp-content\/uploads\/2025\/07\/RET-clinical-study-phase-2-ellipses.jpg\" alt=\"RET clinical study phase 2 ellipses\" width=\"2000\" height=\"1127\" srcset=\"https:\/\/happylungsproject.org\/wp-content\/uploads\/2025\/07\/RET-clinical-study-phase-2-ellipses.jpg 2000w, https:\/\/happylungsproject.org\/wp-content\/uploads\/2025\/07\/RET-clinical-study-phase-2-ellipses-300x169.jpg 300w, https:\/\/happylungsproject.org\/wp-content\/uploads\/2025\/07\/RET-clinical-study-phase-2-ellipses-1024x577.jpg 1024w, https:\/\/happylungsproject.org\/wp-content\/uploads\/2025\/07\/RET-clinical-study-phase-2-ellipses-768x433.jpg 768w, https:\/\/happylungsproject.org\/wp-content\/uploads\/2025\/07\/RET-clinical-study-phase-2-ellipses-1536x866.jpg 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/a>EP0031\u00a0is a new specific RET inhibitor with broad activity against common RET fusions and mutations, including RET mutations that confer resistance to the RET inhibitors selpercatinib or pralsetinib and\u00a0great brain penetration.<\/p>\n<p>More info:<\/p>\n<p><a href=\"https:\/\/happylungsproject.org\/wp-content\/uploads\/2025\/07\/EP0031-Patient-Information-graphic_v4.0-24Jan25.pdf\" target=\"_blank\" rel=\"noopener\">Infographic PDF<\/a><\/p>\n<p><a href=\"https:\/\/clinicaltrials.gov\/study\/NCT05443126\" target=\"_blank\" rel=\"noopener\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/clinicaltrials.gov\/study\/NCT05443126&amp;source=gmail&amp;ust=1752081127937000&amp;usg=AOvVaw0rTiJNoqZnyIi3QR7zKAL1\">https:\/\/clinicaltrials.gov\/<wbr \/>study\/NCT05443126<\/a><\/p>\n<p><a href=\"https:\/\/happylungsproject.org\/ret-highlights-presented-at-the-2025-american-society-of-clinical-oncology\/\">2025 ASCO RET highlights<\/a><\/p>\n<p>&nbsp;<\/p>\n<a class=\"nectar-button n-sc-button large accent-color regular-button\"  href=\"https:\/\/happylungsproject.org\/current-clinical-trials\/\" data-color-override=\"false\" data-hover-color-override=\"false\" data-hover-text-color-override=\"#fff\"><span>Match to a clinical trial<\/span><\/a>\n<a class=\"nectar-button n-sc-button large accent-color regular-button\"  href=\"https:\/\/happylungsproject.org\/research-updated-for-2024\/\" data-color-override=\"false\" data-hover-color-override=\"false\" data-hover-text-color-override=\"#fff\"><span>Learn more about RET research<\/span><\/a>[\/vc_column_text][vc_column_text css=&#8221;&#8221; 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RET + solid tumors.<\/p>\n","protected":false},"author":15,"featured_media":4232,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[],"class_list":{"0":"post-4231","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-clinical-trials","8":"category-research"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ellipses\u2019 RET inhibitor EP0031 advances to Phase 2 clinical trials<\/title>\n<meta name=\"description\" content=\"Ellipses\u2019 next generation selective RET inhibitor EP0031 advances to Phase 2 clinical trials in the USA. 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