{"id":12663,"date":"2022-04-07T17:13:17","date_gmt":"2022-04-07T21:13:17","guid":{"rendered":"https:\/\/www.med.unc.edu\/neurology\/?p=12663"},"modified":"2023-11-17T14:36:43","modified_gmt":"2023-11-17T19:36:43","slug":"interim-data-suggest-long-term-treatment-with-vyvgart-provides-improvement-in-generalized-myasthenia-gravis-disease-scores","status":"publish","type":"post","link":"https:\/\/www.med.unc.edu\/neurology\/interim-data-suggest-long-term-treatment-with-vyvgart-provides-improvement-in-generalized-myasthenia-gravis-disease-scores\/","title":{"rendered":"Interim Data Suggest Long-term Treatment with VYVGART Provides Improvement in Generalized Myasthenia Gravis Disease Scores"},"content":{"rendered":"<figure id=\"attachment_12664\" class=\"thumbnail wp-caption alignright\" style=\"width: 160px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-12664\" src=\"https:\/\/www.med.unc.edu\/neurology\/wp-content\/uploads\/sites\/716\/2022\/04\/James-F-Howard-Jr-MD-preferred-225x300.jpg\" alt=\"James F. Howard, Jr, MD\" width=\"150\" height=\"200\" srcset=\"https:\/\/www.med.unc.edu\/neurology\/wp-content\/uploads\/sites\/716\/2022\/04\/James-F-Howard-Jr-MD-preferred-225x300.jpg 225w, https:\/\/www.med.unc.edu\/neurology\/wp-content\/uploads\/sites\/716\/2022\/04\/James-F-Howard-Jr-MD-preferred-768x1024.jpg 768w, https:\/\/www.med.unc.edu\/neurology\/wp-content\/uploads\/sites\/716\/2022\/04\/James-F-Howard-Jr-MD-preferred-1152x1536.jpg 1152w, https:\/\/www.med.unc.edu\/neurology\/wp-content\/uploads\/sites\/716\/2022\/04\/James-F-Howard-Jr-MD-preferred-600x800.jpg 600w, https:\/\/www.med.unc.edu\/neurology\/wp-content\/uploads\/sites\/716\/2022\/04\/James-F-Howard-Jr-MD-preferred.jpg 1188w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><figcaption class=\"caption wp-caption-text\">James F. Howard, Jr, MD<\/figcaption><\/figure>\n<p>A<span data-ccp-parastyle=\"Normal (Web)\">rgenx<\/span><span data-ccp-parastyle=\"Normal (Web)\"> SE,<\/span><span data-ccp-parastyle=\"Normal (Web)\"> a Belgian drug maker, recently<\/span><span data-ccp-parastyle=\"Normal (Web)\"> <a href=\"https:\/\/www.argenx.com\/news\/argenx-presents-interim-results-adapt-open-label-extension-study-evaluating-vyvgartr\">announced interim results<\/a> from ADAPT+, an ongoing Phase 3, open-label, three-year extension study evaluating long-term safety, tolerability and efficacy of VYVGART\u00ae (efgartigimod alfa-<\/span><span data-ccp-parastyle=\"Normal (Web)\">fcab<\/span><span data-ccp-parastyle=\"Normal (Web)\">) for the treatment of adults with<\/span><span data-ccp-parastyle=\"Normal (Web)\"> generalized myasthenia gravis<\/span> <span data-ccp-parastyle=\"Normal (Web)\">(<\/span><span data-ccp-parastyle=\"Normal (Web)\">gMG<\/span><span data-ccp-parastyle=\"Normal (Web)\">)<\/span><span data-ccp-parastyle=\"Normal (Web)\">. The data <\/span><span data-ccp-parastyle=\"Normal (Web)\">was presented <\/span><span data-ccp-parastyle=\"Normal (Web)\">on <\/span><span data-ccp-parastyle=\"Normal (Web)\">April 5, 2022, in<\/span><span data-ccp-parastyle=\"Normal (Web)\"> an oral presentation at the 74<\/span><span data-contrast=\"auto\"><sup>th<\/sup><\/span><span data-contrast=\"auto\"> Annual Meeting of the American Academy of Neurology (AAN) by James F. Howard, Jr., MD, Professor of Neurology, Medicine and Allied Health and Principal Investigator for the ADAPT trial.\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u201cgMG can have a devastating impact on a person and their ability to lead a fulfilling life. For healthcare providers treating gMG patients, the ADAPT+ results provide greater understanding of how long-term treatment with VYVGART could help their patients overcome some of the daily limitations they face living with this debilitating disease,\u201d Howard said. \u201cPatients who participated in ADAPT+ continued to experience consistent efficacy and safety over a year of treatment, reinforcing the potential benefit this targeted therapy can offer to this community.\u201d<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><strong>Highlights of ADAPT+ Interim Analysis<\/strong><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">139 patients received at least one dose of VYVGART in ADAPT+. As of the interim analysis, the mean treatment duration was 363 days. Efficacy analyses were based on 106 patients who are anti-acetylcholine receptor (AChR) antibody positive.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Patients who continued on long-term treatment with VYVGART experienced consistent and clinically meaningful improvement on both the Myasthenia Gravis Activities of Daily Living (MG-ADL) and Quantitative Myasthenia Gravis (QMG) scales. The safety profile of long-term treatment (up to 10 treatment cycles) with VYVGART continued to be favorable and consistent with ADAPT.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><strong>Phase 3 ADAPT+ Study Design<\/strong><br \/>\n<span data-contrast=\"auto\">The Phase 3 ADAPT+ trial is a long-term, single-arm, open-label, multicenter trial evaluating the efficacy and safety of VYVGART in patients with gMG. Ninety-one percent (151\/167) of ADAPT patients entered the ADAPT+ study. A total of 106 AChR-Ab+ and 33 AChR-Ab\u2013 had received at least one dose of open-label VYVGART (including 66 ADAPT placebo patients). The remaining patients were either still responding to treatment from their last cycle in ADAPT, or dropped out between rollover. There were at least four weeks between cycles in the ADAPT+ study, with a maximum of ten cycles. The mean study duration was 363 days, resulting in 138 patient-years of observation.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:true,&quot;134233118&quot;:true,&quot;201341983&quot;:0,&quot;335559740&quot;:240}\">\u00a0<\/span><\/p>\n<p><em>The entire <\/em><em>Argenx <a href=\"https:\/\/www.argenx.com\/news\/argenx-presents-interim-results-adapt-open-label-extension-study-evaluating-vyvgartr\">press release is available here<\/a>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>James F. Howard Jr., MD, professor in the UNC Department of Neurology, was principal investigator of the ADAPT+ trial for the experimental drug efgartigimod, developed by Belgian pharmaceutical company Argenx. <\/p>\n","protected":false},"author":58435,"featured_media":12664,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"layout":"","cellInformation":"","apiCallInformation":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[48,2,134],"tags":[],"class_list":["post-12663","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faculty","category-news","category-research","odd"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Interim Data Suggest Long-term Treatment with VYVGART Provides Improvement in Generalized Myasthenia Gravis Disease Scores | Department of Neurology<\/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:\/\/www.med.unc.edu\/neurology\/interim-data-suggest-long-term-treatment-with-vyvgart-provides-improvement-in-generalized-myasthenia-gravis-disease-scores\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Interim Data Suggest Long-term Treatment with VYVGART Provides Improvement in Generalized Myasthenia Gravis Disease Scores | Department of Neurology\" \/>\n<meta property=\"og:description\" content=\"James F. 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