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REGENXBIO to Present on RGX-314 Gene Therapy Program for Wet AMD at 35th Annual Scientific Meeting of the American Society of Retina Specialists

(August 11, 2017)
  • RGX-314 trial design and subretinal delivery overview to be presented
  • Enrollment continues in RGX-314 Phase I clinical trial for wet AMD; interim update anticipated by year-end 2017

ROCKVILLE, Md., Aug. 11, 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, will present at the 35th Annual Scientific Meeting of the American Society of Retina Specialists (ASRS) in Boston, MA.

?RGX-314 gene therapy is designed to be a one-time wet AMD treatment administered subretinally which may result in a sustained local production of an anti-VEGF antibody fragment and potentially alleviate the burden of frequent anti-VEGF administration, said Stephen Yoo, M.D., Chief Medical Officer of REGENXBIO. ?We are presenting details about the ongoing Phase I study design and subretinal delivery of RGX-314.

Details of the presentation follow below:

Title: RGX-314 Gene Therapy Subretinal Delivery for the Treatment of Neovascular Age-Related Macular Degeneration
Presenter:  Jeffrey S. Heier, M.D., Co-president and Medical Director and Director of Retina Research at Ophthalmic Consultants of Boston
Session date/time: Saturday, August 12, 2017, 8:50 a.m. EDT
Session title: AMD 1 Symposium
Room: Hynes Convention Center, Boston, MA


Six leading retinal surgery centers across the United States are participating in the Phase I trial of RGX-314. For further details on the trial, enrollment criteria and eligibility, please contact [email protected] or visit https://clinicaltrials.gov/ct2/show/NCT03066258.

Patient recruitment and enrollment is continuing and REGENXBIO expects to provide an interim update from the RGX-314 clinical trial by the end of 2017.

About the Phase I Clinical Trial of RGX-314

RGX?314 is currently being evaluated in a Phase I, multi-center, open-label, multiple-cohort, dose?escalation study in adult subjects with wet age-related macular degeneration (wet AMD) in the United States. The study will include approximately eighteen previously treated wet AMD subjects that are responsive to anti-vascular endothelial growth factor (anti-VEGF) therapy and are 50 years of age or older. The study will evaluate three doses of RGX-314 (3 × 10^9 genome copies (GC)/eye, 1 × 10^10 GC/eye, and 6 × 10^10 GC/eye). Primary endpoints include adverse events, certain laboratory measures (including immunological parameters) and ocular examinations and imaging (including BCVA and SD?OCT). The primary purpose of the clinical study is to evaluate the safety and tolerability of RGX-314 at 24 weeks after a single dose administered by sub-retinal delivery. Following completion of the primary study period, subjects will enter a follow-up evaluation and will continue to be assessed until week 106 for long term safety and durability of effect.

About RGX-314

RGX-314 is being developed as a one-time sub-retinal treatment for wet AMD. It includes the NAV AAV8 vector encoding an antibody fragment which inhibits VEGF, modifying the pathway for formation of new leaky blood vessels which lead to retinal fluid accumulation and vision loss. In preclinical animal models with conditions similar to macular degeneration, significant and dose-dependent reduction of blood vessel growth and prevention of disease progression was observed after a single sub-retinal dose of RGX-314.

About Wet AMD

Wet AMD is characterized by loss of vision due to new leaky blood vessel formation in the retina. This results in fluid leakage that can manifest in physical changes in the structure of the retina and loss of vision. Wet AMD is a significant cause of vision loss in the United States, Europe and Japan. There may be more than 2 million people living with wet AMD in these geographies alone.

Current anti-VEGF therapies have significantly changed the landscape for treatment of wet AMD, becoming the standard of care due to their ability to improve vision and retinal fluid in the majority of patients. These therapies, however, require repetitive and inconvenient intraocular injections, typically ranging from every four to eight weeks in frequency, to maintain efficacy. Patients often experience a decline in the initial vision gain from therapy with reduced frequency of treatment over time.

About REGENXBIO

REGENXBIO is a leading clinical-stage biotechnology company seeking to improve lives through the curative potential of gene therapy. REGENXBIOs NAV® Technology 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 December 31, 2016 and Quarterly Report on Form 10-Q for the quarter ended June 30, 2017, which have been filed with the Securities and Exchange Commission (SEC) and are available on the SECs website at www.sec.gov. In addition to the risks described above and in REGENXBIOs filings with the SEC, 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.

CONTACT: CONTACT:InvestorsHeather Savelle, [email protected] Pawluk, [email protected]

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