May 04, 2017 16:06 ET | Source: REGENXBIO Inc.

ROCKVILLE, Md., May 04, 2017 (GLOBE NEWSWIRE) -- REGENXBIO Inc. (Nasdaq:RGNX), a leading clinical-stage biotechnology company seeking to improve lives through the curative potential of gene therapy based on its proprietary NAV Technology Platform, today announced that preclinical data from studies supported byREGENXBIOat the University of Pennsylvanias Gene Therapy Program and Center for Advanced Retinal and Ocular Therapeutics and at the Johns Hopkins Wilmer Eye Institute will be shared in one presentation and four posters at upcoming conferences including the Retinal Cell and Gene Therapy Innovation Summit, the Association for Research in Vision and Ophthalmology (ARVO), and the American Society of Gene and Cell Therapy(ASGCT). These data support further clinical research regarding the use of REGENXBIOs investigational gene therapy RGX-314 for the treatment of wet age-related macular degeneration (wet AMD).

RGX-314 has the potential to be a one-time treatment for people with wet AMD by delivering high expression of anti-VEGF antibodies through the use of our NAV AAV8 vector.We are pleased to share additional positive preclinical results, which were generated by our development partners at the University of Pennsylvania and Johns Hopkins, which support our active IND, said Kenneth T. Mills, President and Chief Executive Officer of REGENXBIO. REGENXBIOis on track to begin enrollment in the RGX-314 Phase I clinical trial by mid-2017 and to provide an interim trial update by the end of 2017.

Details of the upcoming presentation and posters are as follows:

Presentation at Retinal Cell and Gene Therapy Innovation Summit

Title:Preclinical gene therapy studies to select RGX-314 doses to treat wet age-related macular degeneration Presenter:Jean Bennett, PhD, Department of Ophthalmology,University of Pennsylvania,Philadelphia, PA Session date/time:Friday, May 5, 9:20 a.m. 9:30 a.m. EDT Session title:Gene Therapy, Outcome Measures, and Novel Therapies, Session 1: Preclinical Aspects Vector Design/Animal Models Room:Holiday 1-3, Hilton Baltimore, Baltimore, MD

Posters at Association for Research in Vision and Ophthalmology

Title:RGX-314, an AAV8 expressing an anti-VEGF protein, strongly suppresses subretinal neovascularization and vascular leakage in mouse models Authors:Ji-kui Shen1, Yuanyuan Liu1, Seth D. Fortmann1, Stephen Yoo3, Karen Kozarsky2, Jiangxia Wang1, Peter A. Campochiaro1. 1Ophthalmology, Johns Hopkins Wilmer Eye Inst, Baltimore, Maryland, United States; 3REGENXBIO Inc, Rockville, Maryland, United States Session date/time:Sunday, May 7, 8:30 a.m. 10:15 a.m. EDT Session title:Cytokines; Growth factors; Antiangiogenic drugs Room:Exhibit/Poster Hall, Baltimore Convention Center, Baltimore, MD Abstract number:B0230

Title: Subretinal delivery of RGX-314 AAV8-anti-VEGF Fab gene therapy in NHP Authors: Anna Tretiakova1, Tomas S. Aleman3, Arkady Lyubarsky3, Elaine J. Zhou4, Erik Wielechowski1, Gui-Shuang Ying2, Erin Bote1, Leah Makaron1, Stephen Yoo5, Jean Bennett3,6, Albert M. Maguire3,6, James Wilson1. 1Gene Therapy Program, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States;2Center for Preventative Ophthalmology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania, United States;3Center for Advanced Retinal and Ocular Therapeutics, Scheie Eye Institute, University of Pennsylvania, Philadelphia, Pennsylvania, United States;4Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States;5REGENXBIO, Rockville, Maryland, United States;6Center for Cellular and Molecular Therapeutics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States Session date/times:Wednesday, May 10, 11:00 a.m. 12:45 p.m. EDT Session title:Gene editing and gene therapies Room:Exhibit/Poster Hall, Baltimore Convention Center, Baltimore, MD Abstract number: B0164

Title: Normal parameters of the full field ERG recorded with bipolar electrodes in Cynomolgus Macaque (Macaque fascicularis) Authors: Arkady Lyubarsky1,2, Erik Wielechowski3, Tomas S. Aleman4, Albert M. Maguire1,4, Gui-Shuang Ying4, Erin Bote3, Leah Makaron3, James Wilson3, Jean Bennett1,4, Anna P. Tretiakova3. 1Center for Advanced Retinal and Ophthalmic Therapeutics, SOM Univ. of Pennsylvania, Philadelphia, Pennsylvania, United States;2Vision Research Center, University of Pennsylvania, Philadelphia, Pennsylvania, United States;3Gene Therapy Program, University of Pennsylvania SOM, Philadelphia, Pennsylvania, United States;4Scheie Eye Institute, University of Pennsylvania SOM Ophthalmology, Philadelphia, Pennsylvania, United States Session date/times: Thursday, May 11, 8:30 a.m. 10:15 a.m. EDT Session title: Retinal Function ERG studies Room: Exhibit/Poster Hall, Baltimore Convention Center, Baltimore, MD Abstract number: B0441

Additional information on the meeting can be found on the ARVO website:http://www.arvo.org

Poster at American Society of Gene and Cell Therapy

Title:Safety of RGX-314 AAV8-anti-VEGF Fab Gene Therapy in NHP Following Subretinal Delivery Authors:Tomas S. Aleman1, Anna P. Tretiakova2, Arkady L. Lyubarsky1, Jessica I. W. Morgan2, Elaine J. Zhou3, Erik Wielechowski2, Gui-Shuang Ying4, Erin Bote2, Leah Makaron2, Stephen Yoo5, Jean Bennett1, Albert M. Maguire1, James M. Wilson2. 1Center for Advanced Retinal and Ocular Therapeutics, Scheie Eye Institute, University of Pennsylvania, Philadelphia, PA,2Gene Therapy Program, Department of Medicine, University of Pennsylvania, Philadelphia, PA,3Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA,4Center for Preventative Ophthalmology and Biostatistics, University of Pennsylvania, Philadelphia, PA,5REGENXBIO, Rockville, MD. Session date/times:Thursday, May 11, 5:15 p.m. 7:15 p.m. EDT Session title:Neurologic Diseases (including Ophthalmic and Auditory Diseases) II Room:Exhibit Hall A & B South, Marriot Wardham Park Hotel, Washington, DC Abstract number:427

Additional information on the meeting can be found on the ASGCT website:http://www.asgct.org

Note Regarding Penn

Penn has licensed certain Penn-owned AAV intellectual property to REGENXBIO, including rights related to RGX-314.Dr. Wilson is an advisor to REGENXBIO and is a founder of, holds equity in, and receives sponsored research support from REGENXBIO.

AboutREGENXBIO

REGENXBIO is a leading clinical-stage biotechnology company seeking to improve lives through the curative potential of gene therapy. REGENXBIOs NAVTechnology Platform, a proprietary adeno-associated virus (AAV) gene delivery platform, consists of exclusive rights to more than 100 novel AAV vectors, including AAV7, AAV8, AAV9 and AAVrh10. REGENXBIO and its third-party NAV Technology Licensees are applying the NAV Technology Platform in the development of a broad pipeline of product candidates in multiple therapeutic areas.

Forward Looking Statements

This press release contains forward-looking statements, within the meaning of the Private Securities Litigation Reform Act of 1995, regarding, among other things, REGENXBIOs research, development and regulatory plans in connection with its NAV Technology Platform and gene therapy treatments. Such forward-looking statements are based on current expectations and involve inherent risks and uncertainties, including factors that could cause actual results to differ materially from those projected by such forward-looking statements. All of REGENXBIOs development timelines could be subject to adjustment depending on recruitment rate, regulatory agency review and other factors that could delay the initiation and completion of clinical trials. Meaningful factors which could cause actual results to differ include, but are not limited to, the timing of enrollment, commencement and completion of REGENXBIOs clinical trials; the timing and success of preclinical studies and clinical trials conducted by REGENXBIO and its development partners; the ability to obtain and maintain regulatory approval of REGENXBIOs product candidates and the labeling for any approved products; the scope, progress, expansion, and costs of developing and commercializing REGENXBIOs product candidates; REGENXBIOs ability to obtain and maintain intellectual property protection for REGENXBIOs product candidates and technology; REGENXBIOs growth strategies; REGENXBIOs competition; trends and challenges in REGENXBIOs business and the markets in which REGENXBIO operates; REGENXBIOs ability to attract or retain key personnel; the size and growth of the potential markets for REGENXBIOs product candidates and the ability to serve those markets; the rate and degree of market acceptance of any of REGENXBIOs product candidates; REGENXBIOs ability to establish and maintain development partnerships; REGENXBIOs expenses and revenue; regulatory developments in the United States and foreign countries; the sufficiency of REGENXBIOs cash resources and needs for additional financing; and other factors discussed in the Risk Factors and Managements Discussion and Analysis of Financial Condition and Results of Operations sections of REGENXBIOs Annual Report on Form 10-K for the year ended December31, 2016. In addition to the risks described above and in REGENXBIOs filings with the Securities and Exchange Commission, other unknown or unpredictable factors also could affect REGENXBIOs results. There can be no assurance that the actual results or developments anticipated by REGENXBIO will be realized or, even if substantially realized, that they will have the expected consequences to, or effects on, REGENXBIO. Therefore, no assurance can be given that the outcomes stated in such forward-looking statements and estimates will be achieved.

All forward-looking statements contained in this press release are expressly qualified by the cautionary statements contained or referred to herein. REGENXBIO cautions investors not to rely too heavily on the forward-looking statements REGENXBIO makes or that are made on its behalf. These forward-looking statements speak only as of the date of this press release (unless another date is indicated). REGENXBIO undertakes no obligation, and specifically declines any obligation, to publicly update or revise any such forward-looking statements, whether as a result of new information, future events or otherwise.

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Preclinical Data from REGENXBIO RGX-314 Gene Therapy Program for Wet Age-Related Macular Degeneration to be ... - GlobeNewswire (press release)

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