• Advancement in Phase I/II AFFINITY DUCHENNE^® trial of RGX-202 for Duchenne Muscular Dystrophy; pivotal trial initiation and first functional data expected this month
• BLA submission for RGX-121 initiated and expected to complete in Q1 2025
• Positive Phase II data support bilateral administration of subretinal ABBV-RGX-314; data consistent with that from multiple previous studies demonstrating favorable safety and efficacy profile
• End-of-Phase II meeting for ABBV-RGX-314 in diabetic retinopathy accelerated to Q4 2024 to support global pivotal program initiation in H1 2025
• Conference call today at 4:30 p.m. ET

ROCKVILLE, Md. , Nov. 6, 2024 /PRNewswire/ -- REGENXBIO Inc. (Nasdaq: RGNX) today reported financial results and recent operational highlights for the third quarter ended September 30, 2024.

"It has been a turning point year for REGENXBIO, as we are on the cusp of advancing AFFINITY DUCHENNE^® to pivotal phase, completing our first BLA for MPS II and entering pivotal phase in a second indication within our global eyecare collaboration with AbbVie," said Curran M. Simpson, President and Chief Executive Officer of REGENXBIO. "The rapid progress we are making in RGX-202, which continues to demonstrate its potential to be a best-in-class gene therapy for Duchenne, is highly encouraging, and the near-term filing of our BLA for RGX-121 represents a major milestone for the patient community in need of a treatment to address both the neurocognitive and systemic effects of MPS II. The recent fellow eye data presented at the American Academy of Ophthalmology meeting demonstrate the potential of ABBV-RGX-314 to preserve vision long-term for patients with wet AMD as a one-time treatment for both eyes. Each of these programs represent one-time treatments with the potential to transform the trajectory and management of disease for patients in need of new and better options, and we look forward to continued momentum and important milestones in the last quarter of the year."

PROGRAM HIGHLIGHTS AND MILESTONES

Neuromuscular Disease: RGX-202 is a potential best-in-class gene therapy designed to deliver a differentiated, novel microdystrophin gene for improved function and outcomes for patients living with Duchenne.

• In the Phase I/II AFFINITY DUCHENNE trial of RGX-202, the last patient has been dosed in the dose level 2 (pivotal dose) expansion cohort for ages 4-11 and the first patient has been dosed in the cohort for ages 1-3. Patients with Duchenne under 4 years old have no access to gene therapy, and REGENXBIO is the only gene therapy sponsor recruiting patients in this age group in the U.S.
• A clinical trials application (CTA) for RGX-202 has been authorized by Health Canada. REGENXBIO expects to initiate sites in Canada in H1 2025.
• REGENXBIO plans to share a full program update this month, including pivotal trial design and plans for accelerated approval, as well as initial strength and functional assessment data for both dose levels of the AFFINITY DUCHENNE trial.

Retinal Disease: ABBV-RGX‑314, being developed in collaboration with AbbVie, is potentially the first-in-class treatment for wet age-related macular degeneration (wet AMD) and diabetic retinopathy (DR).

ABBV-RGX-314 for Treatment of DR (Suprachoroidal Delivery)

• Based on positive interim results to date from the Phase II ALTITUDE^® trial, AbbVie and REGENXBIO have accelerated a planned End-of-Phase II meeting with the U.S. Food and Drug Administration (FDA) expected this quarter. The Company expects to initiate the first global pivotal trial in H1 2025.
• The ALTITUDE trial is enrolling a new cohort of patients with center-involved diabetic macular edema (DME). DME is a vision-threatening complication of DR; an estimated 34 million people globally have DME. Patients will receive a one-time, in-office injection of ABBV-RGX-314 at dose level 4 (1.5x10e12 GC/eye) with short course prophylactic steroid eye drops.

ABBV-RGX-314 for the Treatment of Wet AMD (Subretinal Delivery)

• Enrollment is on track in the ATMOSPHERE^® and ASCENT™ pivotal trials and these trials are expected to support global regulatory submissions with the FDA and European Medicines Agency in H1 2026.
• Positive data from the Phase II fellow eye sub-study evaluating the subretinal delivery of ABBV-RGX-314 in patients with bilateral wet AMD were recently presented at the American Academy of Ophthalmology annual meeting. As of September 11, 2024, ABBV-RGX-314 was well tolerated in the treated fellow eye, with no drug-related serious adverse events and no cases of intraocular inflammation observed. At nine months post-administration, patients saw a 97% reduction in anti-VEGF treatment burden and sustained vision and anatomy. These results support the potential of ABBV-RGX-314 to treat bilateral disease at an expected commercial launch.

ABBV-RGX-314 for the Treatment of Wet AMD (Suprachoroidal Delivery)

• Based on a favorable safety profile and to evaluate dose levels for a planned pivotal program, the Phase II AAVIATE^® trial is enrolling a new cohort to evaluate ABBV-RGX-314 at dose level 4 (1.5x10e12 GC/eye). Patients in this cohort will also receive short course prophylactic steroid eye drops. At dose level 3, patients receiving ABBV-RGX-314 demonstrated an 80% reduction in annualized injection rate, with 50% of patients remaining injection-free at six months. Patients also demonstrated stable Best Corrected Visual Acuity and central retinal thickness.

Neurodegenerative Disease: RGX-121 is a potential first-in-class treatment for MPS II.

• REGENXBIO initiated a rolling BLA submission for RGX-121 using the accelerated approval pathway in Q3 2024. The BLA submission is expected to be complete in Q1 2025.
• RGX-121 is on track to be the potential first gene therapy and one-time treatment approved for MPS II. Approval of RGX-121 could result in receipt of a Priority Review Voucher in 2025.

FINANCIAL RESULTS
Cash Position: Cash, cash equivalents and marketable securities were $278.6 million as of September 30, 2024, compared to $314.1 million as of December 31, 2023. The decrease was primarily driven by cash used to fund operating activities during the nine months ended September 30, 2024, and was partially offset by $131.1 million of aggregate net proceeds received from the follow-on public offering of the Company's common stock and pre-funded warrants completed in March 2024.

Revenues: Revenues were $24.2 million for the three months ended September 30, 2024, compared to $28.9 million for the three months ended September 30, 2023. The decrease was primarily attributable to Zolgensma royalty revenues, which decreased from $28.4 million for the third quarter of 2023 to $23.9 million for the third quarter of 2024.

Research and Development Expenses: Research and development expenses were $54.4 million for the three months ended September 30, 2024, compared to $58.2 million for the three months ended September 30, 2023. The decrease was largely driven by lower personnel-related costs and early-stage research and development activities, and was partially offset by increases in clinical trial expenses for ABBV-RGX-314 and RGX-202.

General and Administrative Expenses: General and administrative expenses were $19.4 million for the three months ended September 30, 2024, compared to $23.1 million for the three months ended September 30, 2023. The decrease was primarily attributable to expenses for professional services and other corporate overhead costs.

Net Loss: Net loss was $59.6 million, or $1.17 basic and diluted net loss per share, for the three months ended September 30, 2024, compared to a net loss of $61.9 million, or $1.41 basic and diluted net loss per share, for the three months ended September 30, 2023.

FINANCIAL GUIDANCE
REGENXBIO expects its balance in cash, cash equivalents and marketable securities of $278.6 million as of September 30, 2024 to fund its operations into 2026. This cash runway guidance is based on the Company's current operational plans and excludes the impact of any material payments that may potentially be received from partners or licensees upon the achievement of development or regulatory milestones, or upon the approval or commercialization of product candidates.

CONFERENCE CALL
In connection with this announcement, REGENXBIO will host a conference call and webcast at 4:30 p.m. ET. Listeners can register for the webcast via this link. Analysts wishing to participate in the question and answer session should use this link. A replay of the webcast will be available via the company's investor website approximately two hours after the call's conclusion. Those who plan on participating are advised to join 15 minutes prior to the start time.

ABOUT REGENXBIO Inc.
REGENXBIO is a leading clinical-stage biotechnology company seeking to improve lives through the curative potential of gene therapy. Since its founding in 2009, REGENXBIO has pioneered the development of AAV Therapeutics, an innovative class of gene therapy medicines. REGENXBIO is advancing a pipeline of AAV Therapeutics for rare and retinal diseases, including RGX-202 for the treatment of Duchenne, ABBV-RGX-314 for the treatment of wet AMD and diabetic retinopathy, being developed in collaboration with AbbVie, and RGX-121 for the treatment of MPS II. Thousands of patients have been treated with REGENXBIO's AAV Therapeutic platform, including Novartis' ZOLGENSMA^® for children with spinal muscular atrophy. Designed to be one-time treatments, AAV Therapeutics have the potential to change the way healthcare is delivered for millions of people. For more information, please visit www.regenxbio.com.

FORWARD-LOOKING STATEMENTS
This press release includes "forward-looking statements," within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These statements express a belief, expectation or intention and are generally accompanied by words that convey projected future events or outcomes such as "believe," "may," "will," "estimate," "continue," "anticipate," "assume," "design," "intend," "expect," "could," "plan," "potential," "predict," "seek," "should," "would" or by variations of such words or by similar expressions. The forward-looking statements include statements relating to, among other things, REGENXBIO's future operations, clinical trials, costs and cash flow. REGENXBIO has based these forward-looking statements on its current expectations and assumptions and analyses made by REGENXBIO in light of its experience and its perception of historical trends, current conditions and expected future developments, as well as other factors REGENXBIO believes are appropriate under the circumstances. However, whether actual results and developments will conform with REGENXBIO's expectations and predictions is subject to a number of risks and uncertainties, including the timing of enrollment, commencement and completion and the success of clinical trials conducted by REGENXBIO, its licensees and its partners, the timing of commencement and completion and the success of preclinical studies conducted by REGENXBIO and its development partners, the timing or likelihood of payments from AbbVie, the monetization of any priority review voucher, the timely development and launch of new products, the ability to obtain and maintain regulatory approval of product candidates, the ability to obtain and maintain intellectual property protection for product candidates and technology, trends and challenges in the business and markets in which REGENXBIO operates, the size and growth of potential markets for product candidates and the ability to serve those markets, the rate and degree of acceptance of product candidates, and other factors, many of which are beyond the control of REGENXBIO. Refer to the "Risk Factors" and "Management's Discussion and Analysis of Financial Condition and Results of Operations" sections of REGENXBIO's Annual Report on Form 10-K for the year ended December 31, 2023, and comparable "risk factors" sections of REGENXBIO's Quarterly Reports on Form 10-Q and other filings, which have been filed with the U.S. Securities and Exchange Commission (SEC) and are available on the SEC's website at WWW.SEC.GOV. All of the forward-looking statements made in this press release are expressly qualified by the cautionary statements contained or referred to herein. The actual results or developments anticipated may not be realized or, even if substantially realized, they may not have the expected consequences to or effects on REGENXBIO or its businesses or operations. Such statements are not guarantees of future performance and actual results or developments may differ materially from those projected in the forward-looking statements. Readers are cautioned not to rely too heavily on the forward-looking statements contained in this press release. These forward-looking statements speak only as of the date of this press release. Except as required by law, REGENXBIO does not undertake any obligation, and specifically declines any obligation, to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Zolgensma^® is a registered trademark of Novartis AG. All other trademarks referenced herein are registered trademarks of REGENXBIO.

 

 

CONTACTS:

Dana Cormack
Corporate Communications
Dcormack@regenxbio.com

George E. MacDougall
Investor Relations
IR@regenxbio.com 

 

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SOURCE REGENXBIO Inc.