{"id":2632,"date":"2025-01-15T02:50:56","date_gmt":"2025-01-15T02:50:56","guid":{"rendered":"https:\/\/medicine.nus.edu.sg\/medphc\/?p=2632"},"modified":"2025-01-16T02:57:18","modified_gmt":"2025-01-16T02:57:18","slug":"pembrolizumab-with-or-without-bevacizumab-in-platinum-resistant-recurrent-or-metastatic-nasopharyngeal-carcinoma-a-randomised-open-label-phase-2-trial","status":"publish","type":"post","link":"https:\/\/medicine.nus.edu.sg\/medphc\/publications\/pembrolizumab-with-or-without-bevacizumab-in-platinum-resistant-recurrent-or-metastatic-nasopharyngeal-carcinoma-a-randomised-open-label-phase-2-trial\/","title":{"rendered":"Pembrolizumab with or without bevacizumab in platinum-resistant recurrent or metastatic nasopharyngeal carcinoma: a randomised, open-label, phase 2 trial"},"content":{"rendered":"\r\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2633\" src=\"https:\/\/medicine.nus.edu.sg\/medphc\/wp-content\/uploads\/sites\/33\/2025\/01\/20250115-KLR-300x169.jpg\" alt=\"\" width=\"950\" height=\"535\" srcset=\"https:\/\/medicine.nus.edu.sg\/medphc\/wp-content\/uploads\/sites\/33\/2025\/01\/20250115-KLR-300x169.jpg 300w, https:\/\/medicine.nus.edu.sg\/medphc\/wp-content\/uploads\/sites\/33\/2025\/01\/20250115-KLR-1024x576.jpg 1024w, https:\/\/medicine.nus.edu.sg\/medphc\/wp-content\/uploads\/sites\/33\/2025\/01\/20250115-KLR-768x432.jpg 768w, https:\/\/medicine.nus.edu.sg\/medphc\/wp-content\/uploads\/sites\/33\/2025\/01\/20250115-KLR.jpg 1280w\" sizes=\"auto, (max-width: 950px) 100vw, 950px\" \/><\/figure>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><span style=\"font-size: 18pt;\"><strong>Summary<\/strong><\/span><\/p>\r\n\r\n\r\n\r\n<h3 id=\"cestitle20\" class=\"u-h4 u-margin-m-top u-margin-xs-bottom\"><span style=\"font-size: 14pt;\">Background<\/span><\/h3>\r\n<p class=\"wp-block-paragraph\">Vascular endothelial growth factor (VEGF) is overexpressed in nasopharyngeal carcinoma and suppresses the anti-tumour immune response. Previous studies have shown that adding anti-VEGF treatment to PD-1 inhibition treatment strategies improves tumour response. We aimed to compare the efficacy of pembrolizumab, a PD-1 inhibitor, with or without bevacizumab, a VEGF inhibitor, in nasopharyngeal carcinoma.<\/p>\r\n<h3 id=\"cestitle30\" class=\"u-h4 u-margin-m-top u-margin-xs-bottom\"><span style=\"font-size: 14pt;\">Methods<\/span><\/h3>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">In this randomised, open-label, phase 2 trial done at two hospitals (National University Cancer Institute and Tan Tock Seng Hospital) in Singapore, patients with platinum-resistant recurrent or metastatic nasophayngeal carcinoma were eligible if they were aged 21 years or older and had an Eastern Cooperative Oncology Group (ECOG) performance status of 0\u20131. Patients were assigned (1:1; using random permuted blocks with varying sizes of 4 and 6) to receive either intravenous pembrolizumab (200 mg) every 21 days or a combination of pembrolizumab with intravenous bevacizumab (7\u00b75 mg\/kg) administered 1 week prior to each dose, until radiographic disease progression, unacceptable toxicity, completion of 32 cycles, or withdrawal of consent. The study was open label, therefore no masking of treatment assignment was implemented. The primary endpoint was objective response rate, assessed using RECIST (version 1.1) by independent radiologists and analysed in the intention-to-treat population (ie, all randomly assigned patients). This trial is registered with <a class=\"anchor anchor-primary\" href=\"https:\/\/ClinicalTrials.gov\" target=\"_blank\" rel=\"noopener\"><span class=\"anchor-text-container\"><span class=\"anchor-text\">ClinicalTrials.gov<\/span><\/span><\/a>, <a class=\"anchor anchor-primary\" href=\"https:\/\/clinicaltrials.gov\/show\/NCT03813394\" target=\"_blank\" rel=\"noopener\"><span class=\"anchor-text-container\"><span class=\"anchor-text\">NCT03813394<\/span><\/span><\/a>, and enrolment has closed.<\/p>\r\n<h3 id=\"cestitle40\" class=\"u-h4 u-margin-m-top u-margin-xs-bottom\"><span style=\"font-size: 14pt;\">Findings<\/span><\/h3>\r\n<p>Between May 13, 2019, and Dec 6, 2023, we assessed 60 individuals for eligibility, 12 were excluded, and 48 were randomly allocated to pembrolizumab alone (n=24) or a combination of bevacizumab and pembrolizumab (n=24). The median age was 56 years (IQR 48\u201365), and 40 (83%) of 48 patients were male and eight (17%) were female. The median follow-up was 28\u00b73 months (IQR 15\u00b71\u201355\u00b79). The objective response rate was significantly higher in the bevacizumab and pembrolizumab group (58\u00b73% [95% CI 36\u00b76\u201377\u00b79] than in the pembrolizumab group (12\u00b75% [2\u00b77\u201332\u00b74]; unadjusted RR 4\u00b767 [95% CI 1\u00b754\u201314\u00b718]; p=0\u00b70010). Grade 3 treatment-related adverse events occurred in two (8%) of 24 patients in the pembrolizumab group and in seven (29%) of 24 patients in the bevacizumab and pembrolizumab group; the most common severe or grade 3\u20134 treatment-related adverse events were thrombosis or bleeding (four [17%] of 24 patients in the bevacizumab and pembrolizumab group <em>vs<\/em> none of 24 patients in the pembrolizumab group), and others were transaminitis (none <em>vs<\/em> 1 [4%]), colitis (1 [4%] <em>vs<\/em> none]), cytopenias (none <em>vs<\/em> 1 [4%]), dermatological toxicities (1 [4%] <em>vs<\/em> none]), hypertension (1 [4%] <em>vs<\/em> none]), and proteinuria (1 [4%] <em>vs<\/em> none]). There were no grade 4 treatment-related adverse events or treatment-related deaths in either group.<\/p>\r\n<h3 id=\"cestitle50\" class=\"u-h4 u-margin-m-top u-margin-xs-bottom\"><span style=\"font-size: 14pt;\">Interpretation<\/span><\/h3>\r\n<p>Pembrolizumab in combination with bevacizumab was more efficacious than pembrolizumab monotherapy, with manageable toxicities in platinum-resistant nasopharyngeal carcinoma. If validated in a phase 3 trial, the combination therapy could be a new standard of care in this population of patients.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Full article:<a href=\"https:\/\/doi.org\/10.1016\/s1470-2045(24)00677-6\">https:\/\/doi.org\/10.1016\/s1470-2045(24)00677-6<\/a><\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">&nbsp;<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; Summary Background Vascular endothelial growth factor (VEGF) is overexpressed in nasopharyngeal carcinoma and suppresses the anti-tumour immune response. Previous studies have shown that adding anti-VEGF treatment to PD-1 inhibition treatment strategies improves tumour response. We aimed to compare the efficacy of pembrolizumab, a PD-1 inhibitor, with or without bevacizumab, a VEGF inhibitor, in nasopharyngeal [&hellip;]<\/p>\n","protected":false},"author":9345,"featured_media":2633,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-2632","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-publications"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pembrolizumab with or without bevacizumab in platinum-resistant recurrent or metastatic nasopharyngeal carcinoma: a randomised, open-label, phase 2 trial - Pharmacology<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/medicine.nus.edu.sg\/medphc\/publications\/pembrolizumab-with-or-without-bevacizumab-in-platinum-resistant-recurrent-or-metastatic-nasopharyngeal-carcinoma-a-randomised-open-label-phase-2-trial\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pembrolizumab with or without bevacizumab in platinum-resistant recurrent or metastatic nasopharyngeal carcinoma: a randomised, open-label, phase 2 trial - Pharmacology\" \/>\n<meta property=\"og:description\" content=\"&nbsp; Summary Background Vascular endothelial growth factor (VEGF) is overexpressed in nasopharyngeal carcinoma and suppresses the anti-tumour immune response. Previous studies have shown that adding anti-VEGF treatment to PD-1 inhibition treatment strategies improves tumour response. We aimed to compare the efficacy of pembrolizumab, a PD-1 inhibitor, with or without bevacizumab, a VEGF inhibitor, in nasopharyngeal [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/medicine.nus.edu.sg\/medphc\/publications\/pembrolizumab-with-or-without-bevacizumab-in-platinum-resistant-recurrent-or-metastatic-nasopharyngeal-carcinoma-a-randomised-open-label-phase-2-trial\/\" \/>\n<meta property=\"og:site_name\" content=\"Pharmacology\" \/>\n<meta property=\"article:published_time\" content=\"2025-01-15T02:50:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-16T02:57:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/medicine.nus.edu.sg\/medphc\/wp-content\/uploads\/sites\/33\/2025\/01\/20250115-KLR.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Woon Fei\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Woon Fei\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/medicine.nus.edu.sg\\\/medphc\\\/publications\\\/pembrolizumab-with-or-without-bevacizumab-in-platinum-resistant-recurrent-or-metastatic-nasopharyngeal-carcinoma-a-randomised-open-label-phase-2-trial\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/medicine.nus.edu.sg\\\/medphc\\\/publications\\\/pembrolizumab-with-or-without-bevacizumab-in-platinum-resistant-recurrent-or-metastatic-nasopharyngeal-carcinoma-a-randomised-open-label-phase-2-trial\\\/\"},\"author\":{\"name\":\"Woon Fei\",\"@id\":\"https:\\\/\\\/medicine.nus.edu.sg\\\/medphc\\\/#\\\/schema\\\/person\\\/ea3ccd10ab2f2bba51fd804396287cb0\"},\"headline\":\"Pembrolizumab with or without bevacizumab in platinum-resistant recurrent or metastatic nasopharyngeal carcinoma: a randomised, open-label, phase 2 trial\",\"datePublished\":\"2025-01-15T02:50:56+00:00\",\"dateModified\":\"2025-01-16T02:57:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/medicine.nus.edu.sg\\\/medphc\\\/publications\\\/pembrolizumab-with-or-without-bevacizumab-in-platinum-resistant-recurrent-or-metastatic-nasopharyngeal-carcinoma-a-randomised-open-label-phase-2-trial\\\/\"},\"wordCount\":433,\"publisher\":{\"@id\":\"https:\\\/\\\/medicine.nus.edu.sg\\\/medphc\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/medicine.nus.edu.sg\\\/medphc\\\/publications\\\/pembrolizumab-with-or-without-bevacizumab-in-platinum-resistant-recurrent-or-metastatic-nasopharyngeal-carcinoma-a-randomised-open-label-phase-2-trial\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/medicine.nus.edu.sg\\\/medphc\\\/wp-content\\\/uploads\\\/sites\\\/33\\\/2025\\\/01\\\/20250115-KLR.jpg\",\"articleSection\":[\"Publications\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/medicine.nus.edu.sg\\\/medphc\\\/publications\\\/pembrolizumab-with-or-without-bevacizumab-in-platinum-resistant-recurrent-or-metastatic-nasopharyngeal-carcinoma-a-randomised-open-label-phase-2-trial\\\/\",\"url\":\"https:\\\/\\\/medicine.nus.edu.sg\\\/medphc\\\/publications\\\/pembrolizumab-with-or-without-bevacizumab-in-platinum-resistant-recurrent-or-metastatic-nasopharyngeal-carcinoma-a-randomised-open-label-phase-2-trial\\\/\",\"name\":\"Pembrolizumab with or without bevacizumab in platinum-resistant recurrent or metastatic nasopharyngeal carcinoma: a randomised, open-label, phase 2 trial - 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Previous studies have shown that adding anti-VEGF treatment to PD-1 inhibition treatment strategies improves tumour response. 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