Aeglea BioTherapeutics Submits BLA to Food and drug administration for Pegzilarginase for the Treatment method of Arginase 1 Deficiency

BLA submission delivers Fda with all pegzilarginase application facts to overview in depth Aeglea seems forward to functioning collaboratively with the Fda on next techniques in the evaluate method

If accredited, pegzilarginase would be the initially Fda-permitted treatment for this devastating scarce sickness

European promoting application on track for submission this yr

AUSTIN, Texas, April 12, 2022 /PRNewswire/ — Aeglea BioTherapeutics, Inc. (Nasdaq:AGLE), a clinical-phase biotechnology business establishing a new era of human enzyme therapeutics to reward men and women with exceptional metabolic illnesses, nowadays announced that it has submitted a Biologics License Software (BLA) to the U.S. Meals and Drug Administration (Fda) for pegzilarginase for the remedy of Arginase 1 Deficiency (ARG1-D). Aeglea requested Food and drug administration Precedence Evaluation at the time of the BLA submission.

Pegzilarginase is a novel, recombinant human arginase 1 enzyme that in medical trials has been shown to normalize the elevated stages of the amino acid arginine in people with ARG1-D, a scarce, progressive sickness characterized by significant stages of arginine. People today living with ARG1-D knowledge extreme spasticity-similar mobility restrictions, seizures, developmental hold off, mental disability, and early mortality.

“The submission of our first BLA is a significant achievement in the evolution of Aeglea, but additional importantly, it is an significant step ahead for the ARG1-D community. When we have lately been given feedback from the Food and drug administration expressing disagreement on the considerable proof of usefulness of pegzilarginase, we think centered on the totality and persuasive nature of our medical benefits and the superior unmet need to have that the most effective path ahead for both the ARG1-D community and Aeglea was to proceed with the BLA submission and deliver the Food and drug administration entry to all appropriate information,” reported Anthony G. Quinn, M.B., Ch.B., Ph.D., president and main executive officer of Aeglea. “On behalf of Aeglea, I might like to thank all the sufferers and people, investigators, personnel and advocates who have served us accomplish this significant milestone. I would also like to thank our workers who have labored incredibly challenging around the previous couple of months getting ready the BLA to enable this submission. We appear forward to continuing to do the job with the Food and drug administration by means of the overview of our BLA and are thrilled about the opportunity of pegzilarginase to adjust the life of these with ARG1-D.”

Aeglea’s BLA submission contains details from various scientific scientific studies in ARG1-D, together with the double-blind, placebo-managed PEACE Section 3 review and its ongoing lengthy-phrase extension, a Stage 1/2 medical trial and an open up-label extension review. Outcomes from these trials reveal that pegzilarginase is ready to quickly and sustainably lessen arginine amounts and showed improvements in mobility. In the PEACE examine, most remedy-emergent adverse occasions have been delicate or moderate in severity and there have been no discontinuations thanks to cure-emergent adverse functions. The Food and drug administration has granted pegzilarginase a number of regulatory designations, which include Uncommon Pediatric Disorder, Breakthrough Treatment, Quickly Monitor and Orphan Drug designations.

“This is an important day for the ARG1-D group. Families living with Arginase 1 Deficiency wrestle each day to manage the disorder as we are unable to keep arginine stages minimal with the latest treatment options available to us,” reported Alexandra Eaton, mother and caregiver to Josh, who has been burdened with the condition for 24 a long time. Ms. Eaton, who is also a devoted advocate for the ARG1-D community by her involvement as an advisor and steering committee member of the Arginase 1 Deficiency Foundation, ongoing, “We are hopeful for a new and superior remedy that will improve the life of our beloved kinds suffering from this devastating sickness.”

Immedica Pharma AB, Aeglea’s commercialization partner for pegzilarginase in selected countries in Europe and the Middle East, options to submit the Marketing and advertising Authorization Application (MAA) to the European Medicines Company in 2022.

About Pegzilarginase in Arginase 1 Deficiency

Pegzilarginase is a novel recombinant human enzyme engineered to degrade the amino acid arginine and has been revealed to swiftly and sustainably lessen concentrations of the amino acid arginine in plasma. Aeglea is creating pegzilarginase for the therapy of people with Arginase 1 Deficiency (ARG1-D), a rare debilitating and progressive sickness characterized by the accumulation of arginine. ARG1-D presents in early childhood and sufferers practical experience spasticity, seizures, developmental delay, mental incapacity and early mortality.

The PEACE Phase 3 clinical demo achieved its major endpoint with a 76.7% plasma arginine reduction. In addition, 90.5% of pegzilarginase dealt with sufferers achieved normal plasma arginine concentrations. The arginine lowering was accompanied by a constructive development in Gross Motor Perform Measure Component E, a evaluate of affected individual mobility. Aeglea’s Stage 1/2 and Section 2 Open up-Label Extension (OLE) data for pegzilarginase in people with ARG1-D shown clinical improvements and sustained decreasing of plasma arginine. Pegzilarginase has received a number of regulatory designations, which includes Rare Pediatric Illness, Breakthrough Therapy, Speedy Track and Orphan Drug designations from the U.S. Foods and Drug Administration as very well as Orphan Drug Designation from the European Medications Company.

About Aeglea BioTherapeutics

Aeglea BioTherapeutics is a clinical-phase biotechnology company redefining the prospective of human enzyme therapeutics to benefit persons with rare metabolic illnesses with limited treatment method options. In December 2021, Aeglea announced beneficial topline knowledge from its PEACE Stage 3 medical trial for its lead products applicant, pegzilarginase, in patients with Arginase 1 Deficiency. Pegzilarginase has gained equally Exceptional Pediatric Sickness and Breakthrough Treatment Designations. Aeglea also has an ongoing Phase 1/2 scientific trial of AGLE-177 for the therapy of Homocystinuria. AGLE-177 has been granted Rare Pediatric Disorder Designation. Aeglea has an energetic discovery platform centered on engineering smaller adjustments in human enzymes to have a massive affect on the lives of patients and their households. For much more information and facts, you should take a look at http://aeglea.com.

Safe and sound Harbor / Ahead On the lookout Statements

This press launch contains “ahead-on the lookout” statements inside the meaning of the protected harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995. Ahead-searching statements can be determined by text these as: “foresee,” “intend,” “system,” “goal,” “search for,” “consider,” “project,” “estimate,” “be expecting,” “strategy,” “potential,” “likely,” “may possibly,” “really should,” “will” and very similar references to future intervals. These statements are subject to various pitfalls and uncertainties that could bring about real benefits to differ materially from what we count on. Examples of ahead-seeking statements include, amid other people, statements we make relating to our potential to get regulatory acceptance for, and commercialize, pegzilarginase, realize milestone and royalty payments from our settlement with Immedica, the timing and results of our scientific trials and relevant data, the timing and anticipations for regulatory submissions and approvals, such as the FDA’s critique of our BLA for pegzilarginase and the timing of the MAA for pegzilarginase, timing and success of meetings with regulators, the timing of announcements and updates relating to our clinical trials and related knowledge, our capability to enroll sufferers into our scientific trials, the expected influence of the COVID-19 pandemic on our functions and clinical trials, achievements in our collaborations, our funds forecasts, the potential addressable markets of our merchandise candidates and the potential therapeutic positive aspects and economic price of our direct item prospect or other product candidates. Even further facts on likely risk factors that could affect our small business and its money success are in depth in our most modern Annual Report on Type 10-K for the year ended December 31, 2021 submitted with the Securities and Exchange Commission (SEC), and other studies as filed with the SEC. We undertake no obligation to publicly update any ahead-hunting assertion, no matter if published or oral, that may be created from time to time, whether or not as a result of new information, potential developments or normally.

(PRNewsfoto/Aeglea BioTherapeutics, Inc.)

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