{"id":950193,"date":"2026-04-09T10:17:13","date_gmt":"2026-04-09T14:17:13","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\/"},"modified":"2026-04-09T10:17:13","modified_gmt":"2026-04-09T14:17:13","slug":"assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\/","title":{"rendered":"Assembly Biosciences Highlights Presentations on Positive Phase 1b Data for ABI-5366 and ABI-1179 in Recurrent Genital Herpes at ESCMID Global 2026"},"content":{"rendered":"<div class=\"mw_release\">\n<p align=\"center\">\n        <em>\u2013 Additional Phase 1b data for ABI-5366, including results from monthly dosing cohort, selected for oral presentation \u2013<\/em>\n      <\/p>\n<p align=\"center\">\n        <em>\u2013 Phase 1b data from ABI-1179 accepted for late-breaker poster presentation \u2013<\/em>\n      <\/p>\n<p>SOUTH SAN FRANCISCO, Calif., April  09, 2026  (GLOBE NEWSWIRE) &#8212; Assembly Biosciences, Inc. (Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious viral diseases, today announced Phase 1b clinical data for ABI-5366 and ABI-1179, herpes simplex virus (HSV) helicase-primase inhibitor candidates, will be featured in multiple presentations, including one late-breaker, at the 2026 Congress of the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) taking place April 17-21, 2026, in Munich, Germany.<\/p>\n<p>\u201cThe selection of ABI-5366 for oral presentation at ESCMID underscores the strength and clinical relevance of the data generated to date, including additional results from the monthly dosing cohort,\u201d said Anuj Gaggar, MD, PhD, chief medical officer of Assembly Bio. \u201cWe are also pleased to see the first scientific presentation of Phase 1b data for ABI-1179 recognized as a late-breaker presentation, which highlight its potential as a long-acting therapeutic option for patients with recurrent genital herpes.\u201d<\/p>\n<p>Details of the presentations are as follows:<\/p>\n<p>\n        <em>ABI-5366:<\/em>\n      <\/p>\n<ul type=\"disc\">\n<li style=\"margin-bottom:8pt\">\n          <strong>Oral Presentation: <\/strong>ABI-5366-101: a phase 1b study of a novel, oral, long-acting, investigational HSV helicase-primase inhibitor in recurrent genital herpes<br \/><strong>Presenter:<\/strong> Mark Bloch, MBBS, Momentum Clinical Research and Kirby Institute, University of New South Wales<br \/><strong>Session Date and Time:<\/strong> April 20, 2026, at 5:30 PM CEST<\/li>\n<li style=\"margin-bottom:8pt\">\n          <strong>Poster Presentation: <\/strong>Virologic analyses following treatment with ABI-5366, a novel, oral, long-acting HSV helicase-primase inhibitor in participants seropositive for HSV-2 with recurrent genital herpes<br \/><strong>Presenter:<\/strong> Kathryn Kitrinos, PhD, Assembly Bio<br \/><strong>Session Date and Time:<\/strong> April 18, 2026, at 12:00 PM CEST<\/li>\n<li style=\"margin-bottom:8pt\">\n          <strong>Poster Presentation: <\/strong>The safety and tolerability of ABI-5366, a novel, oral, long-acting HSV helicase-primase inhibitor in participants with recurrent genital herpes<br \/><strong>Presenter:<\/strong> Cory Sellwood, MBBS, New Zealand Clinical Research<br \/><strong>Session Date and Time:<\/strong> April 18, 2026, at 12:00 PM CEST<\/li>\n<\/ul>\n<p>\n        <em>ABI-1179:<\/em>\n      <\/p>\n<ul type=\"disc\">\n<li style=\"margin-bottom:8pt\">\n          <strong>Poster Presentation (Late-Breaker): <\/strong>The safety and efficacy of ABI-1179, a novel, oral, long-acting HSV helicase-primase inhibitor for recurrent genital herpes: interim results from a phase 1b study<br \/><strong>Presenter:<\/strong> Mark Bloch, MBBS, Momentum Clinical Research and Kirby Institute, University of New South Wales<br \/><strong>Session Date and Time:<\/strong> April 21, 2026, at 12:00 PM CEST<\/li>\n<\/ul>\n<p>Assembly Bio intends to make the posters available on the \u201cEvents &amp; Presentations\u201d page in the \u201cInvestors\u201d section and on the \u201cPublications\u201d page in the \u201cPipeline\u201d section of its website at <strong>www.assemblybio.com<\/strong>.<\/p>\n<p>ABI-5366 and ABI-1179 are investigational product candidates that have not been approved anywhere globally, and their safety and efficacy have not been established. They are exclusively licensed to Gilead Sciences, Inc. (Gilead) under the collaboration between Assembly Bio and Gilead, and Gilead has the sole right and responsibility for further clinical development and commercialization of these programs.<\/p>\n<p>\n        <strong>About Assembly Biosciences<\/strong><br \/>\n        <br \/>Assembly Biosciences is a biotechnology company dedicated to the development of innovative small-molecule therapeutics designed to change the path of serious viral diseases and improve the lives of patients worldwide. Led by an accomplished team of leaders in virologic drug development, Assembly Bio is committed to improving outcomes for patients struggling with the serious, chronic impacts of herpesvirus, hepatitis B virus (HBV) and hepatitis delta virus (HDV) infections. For more information, visit assemblybio.com.<\/p>\n<p>\n        <strong>Forward-Looking Statements<\/strong><br \/>\n        <br \/>The information in this press release contains forward-looking statements that are subject to certain risks and uncertainties that could cause actual results to materially differ. These risks and uncertainties include: Assembly Bio\u2019s ability to realize the potential benefits of its collaboration with Gilead, including all financial aspects of the collaboration and equity investments; Assembly Bio\u2019s ability to initiate and complete clinical studies involving its therapeutic product candidates, including studies contemplated by Assembly Bio\u2019s collaboration with Gilead, in the currently anticipated timeframes or at all; safety and efficacy data from clinical or nonclinical studies may not warrant further development of Assembly Bio\u2019s product candidates; clinical and nonclinical data may not differentiate Assembly Bio\u2019s product candidates from other companies\u2019 candidates; Assembly Bio\u2019s ability to maintain financial resources and secure additional funding necessary to continue its research activities, clinical studies, and other business operations; potential effects of changes in government regulation; results of nonclinical studies may not be representative of disease behavior in a clinical setting and may not be predictive of the outcomes of clinical studies; and other risks identified from time to time in Assembly Bio\u2019s reports filed with the U.S. Securities and Exchange Commission (the SEC). You are urged to consider statements that include the words may, will, would, could, should, might, believes, hopes, estimates, projects, potential, expects, plans, anticipates, intends, continues, forecast, designed, goal or the negative of those words or other comparable words to be uncertain and forward-looking. Assembly Bio intends such forward-looking statements to be covered by the safe harbor provisions contained in Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. More information about Assembly Bio\u2019s risks and uncertainties are more fully detailed under the heading \u201cRisk Factors\u201d in Assembly Bio\u2019s filings with the SEC, including its most recent Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and Current Reports on Form 8-K. Except as required by law, Assembly Bio assumes no obligation to update publicly any forward-looking statements, whether as a result of new information, future events or otherwise.<\/p>\n<p>\n        <strong>Contacts:<\/strong>\n      <\/p>\n<p>\n        <strong>Investors:<\/strong><br \/>\n        <br \/>Patrick Till<br \/>Meru Advisors<br \/>(484) 788-8560<br \/>investor_relations@assemblybio.com<\/p>\n<p>\n        <strong>Media:<\/strong><br \/>\n        <br \/>Sam Brown LLC<br \/>Alyssa Kuciunas<br \/>(331) 481-3751<br \/><a href=\"https:\/\/www.globenewswire.com\/Tracker?data=sjiCVS5RCGZRrLDd-lFWEBz0OgL7ZPbmREtOa43vaGvNWsvr0XWLaGb3AnPFGmz9BCTCsCi-H1A-EQo17AO-TI2-_K6POTwEiFJ9B46nmHg=\" rel=\"nofollow\" target=\"_blank\">ASMBMedia@sambrown.com<\/a><\/p>\n<p>      <img decoding=\"async\" alt=\"\" class=\"__GNW8366DE3E__IMG\" src=\"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTY4NjU0NyM3NTI2NDE4IzIwMjYzOTM=\" \/><br \/>\n      <br \/>\n      <img decoding=\"async\" alt=\"\" src=\"https:\/\/ml.globenewswire.com\/media\/YzQ2MzE4OGUtYmE3NC00YTFhLTg5NGYtNWEzZTZjMjRkNjk0LTEwMzk3NzAtMjAyNi0wNC0wOS1lbg==\/tiny\/Assembly-Biosciences-Inc-.png\" \/>\n    <\/div>\n<div class=\"mw_contactinfo\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u2013 Additional Phase 1b data for ABI-5366, including results from monthly dosing cohort, selected for oral presentation \u2013 \u2013 Phase 1b data from ABI-1179 accepted for late-breaker poster presentation \u2013 SOUTH SAN FRANCISCO, Calif., April 09, 2026 (GLOBE NEWSWIRE) &#8212; Assembly Biosciences, Inc. (Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious viral diseases, today announced Phase 1b clinical data for ABI-5366 and ABI-1179, herpes simplex virus (HSV) helicase-primase inhibitor candidates, will be featured in multiple presentations, including one late-breaker, at the 2026 Congress of the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) taking place April 17-21, 2026, in Munich, Germany. \u201cThe selection of ABI-5366 for oral presentation at ESCMID underscores the strength and clinical relevance of &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.marketnewsdesk.com\/index.php\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Assembly Biosciences Highlights Presentations on Positive Phase 1b Data for ABI-5366 and ABI-1179 in Recurrent Genital Herpes at ESCMID Global 2026&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-950193","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Assembly Biosciences Highlights Presentations on Positive Phase 1b Data for ABI-5366 and ABI-1179 in Recurrent Genital Herpes at ESCMID Global 2026 - Market Newsdesk<\/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.marketnewsdesk.com\/index.php\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Assembly Biosciences Highlights Presentations on Positive Phase 1b Data for ABI-5366 and ABI-1179 in Recurrent Genital Herpes at ESCMID Global 2026 - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"\u2013 Additional Phase 1b data for ABI-5366, including results from monthly dosing cohort, selected for oral presentation \u2013 \u2013 Phase 1b data from ABI-1179 accepted for late-breaker poster presentation \u2013 SOUTH SAN FRANCISCO, Calif., April 09, 2026 (GLOBE NEWSWIRE) &#8212; Assembly Biosciences, Inc. (Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious viral diseases, today announced Phase 1b clinical data for ABI-5366 and ABI-1179, herpes simplex virus (HSV) helicase-primase inhibitor candidates, will be featured in multiple presentations, including one late-breaker, at the 2026 Congress of the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) taking place April 17-21, 2026, in Munich, Germany. \u201cThe selection of ABI-5366 for oral presentation at ESCMID underscores the strength and clinical relevance of &hellip; Continue reading &quot;Assembly Biosciences Highlights Presentations on Positive Phase 1b Data for ABI-5366 and ABI-1179 in Recurrent Genital Herpes at ESCMID Global 2026&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.marketnewsdesk.com\/index.php\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\/\" \/>\n<meta property=\"og:site_name\" content=\"Market Newsdesk\" \/>\n<meta property=\"article:published_time\" content=\"2026-04-09T14:17:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTY4NjU0NyM3NTI2NDE4IzIwMjYzOTM=\" \/>\n<meta name=\"author\" content=\"Newsdesk\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Newsdesk\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\\\/\"},\"author\":{\"name\":\"Newsdesk\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/#\\\/schema\\\/person\\\/482f27a394d4fda80ecb5499e519d979\"},\"headline\":\"Assembly Biosciences Highlights Presentations on Positive Phase 1b Data for ABI-5366 and ABI-1179 in Recurrent Genital Herpes at ESCMID Global 2026\",\"datePublished\":\"2026-04-09T14:17:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\\\/\"},\"wordCount\":916,\"image\":{\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.globenewswire.com\\\/newsroom\\\/ti?nf=OTY4NjU0NyM3NTI2NDE4IzIwMjYzOTM=\",\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\\\/\",\"url\":\"https:\\\/\\\/www.marketnewsdesk.com\\\/index.php\\\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\\\/\",\"name\":\"Assembly Biosciences Highlights Presentations on Positive Phase 1b Data for ABI-5366 and ABI-1179 in Recurrent Genital Herpes at ESCMID Global 2026 - 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(Nasdaq: ASMB), a biotechnology company developing innovative therapeutics targeting serious viral diseases, today announced Phase 1b clinical data for ABI-5366 and ABI-1179, herpes simplex virus (HSV) helicase-primase inhibitor candidates, will be featured in multiple presentations, including one late-breaker, at the 2026 Congress of the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) taking place April 17-21, 2026, in Munich, Germany. \u201cThe selection of ABI-5366 for oral presentation at ESCMID underscores the strength and clinical relevance of &hellip; Continue reading \"Assembly Biosciences Highlights Presentations on Positive Phase 1b Data for ABI-5366 and ABI-1179 in Recurrent Genital Herpes at ESCMID Global 2026\"","og_url":"https:\/\/www.marketnewsdesk.com\/index.php\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\/","og_site_name":"Market Newsdesk","article_published_time":"2026-04-09T14:17:13+00:00","og_image":[{"url":"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTY4NjU0NyM3NTI2NDE4IzIwMjYzOTM=","type":"","width":"","height":""}],"author":"Newsdesk","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Newsdesk","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\/#article","isPartOf":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\/"},"author":{"name":"Newsdesk","@id":"https:\/\/www.marketnewsdesk.com\/#\/schema\/person\/482f27a394d4fda80ecb5499e519d979"},"headline":"Assembly Biosciences Highlights Presentations on Positive Phase 1b Data for ABI-5366 and ABI-1179 in Recurrent Genital Herpes at ESCMID Global 2026","datePublished":"2026-04-09T14:17:13+00:00","mainEntityOfPage":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\/"},"wordCount":916,"image":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\/#primaryimage"},"thumbnailUrl":"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTY4NjU0NyM3NTI2NDE4IzIwMjYzOTM=","inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\/","url":"https:\/\/www.marketnewsdesk.com\/index.php\/assembly-biosciences-highlights-presentations-on-positive-phase-1b-data-for-abi-5366-and-abi-1179-in-recurrent-genital-herpes-at-escmid-global-2026\/","name":"Assembly Biosciences Highlights Presentations on Positive Phase 1b Data for ABI-5366 and ABI-1179 in Recurrent Genital Herpes at ESCMID Global 2026 - 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