COLUMBUS, Ohio, Feb. 16, 2021 /PRNewswire/ --Forge Biologics Inc., a fully integrated clinical stage gene therapy manufacturing and development company, today announced that the U.S. Food and Drug Administration (FDA) has granted Fast Track, Orphan Drug, and Rare Pediatric Disease (RPD) designations to FBX-101 for the treatment of patients with Krabbe disease. Forge is now actively recruiting patients for enrollment in the RESKUE phase 1/2 clinical trial of FBX-101, a novel, first-in-human AAV gene therapy for the disease. FBX-101 is the first intraveniousgene therapy program for patients with Krabbe disease and marks a major step forward in building out the company's hybrid model as a gene therapy manufacturing and development engine.

"FDA's decision to grant these designations to our first-in-human investigational gene therapy highlights the urgency of developing a treatment for Krabbe patients," said Timothy J. Miller, Ph.D., CEO, President and Co-Founder of Forge Biologics. "Krabbe is a devastating disease, and it is imperative to develop treatment options like FBX-101 that may address all manifestations of the disease."

Fast Track Designation is given when the FDA determines that a drug demonstrates the potential to address unmet medical needs for a serious or life-threatening disease or condition. This designation is intended to facilitate development and expedite review of drugs to treat serious and life-threatening conditions, and may also allow for priority or rolling review of a company's Biologics License Application (BLA).

The FDA grants Orphan Drug designation to drugs and biological products intended for the treatment of patients with rare diseases that affect fewer than 200,000 people in the United States. RPD designation is granted by the FDA to encourage treatments for serious or life-threatening diseases primarily affecting children 18 years of age and younger and fewer than 200,000 people in the United States. On December 27, 2020, the Rare Pediatric Disease Priority Review Voucher Program was extended by Congress after it was scheduled to sunset in 2020. Under the newly extended RPD program, if FBX-101 is approved by the FDA, Forge Biologics will qualify for a voucher that can be redeemed to receive a priority review of a subsequent marketing application for a different product.

"Infantile Krabbe is a progressive and devastating leukodystrophy," said Jessie Barnum, M.D., AssistantProfessor,Department of Pediatrics,Division of Blood and Marrow Transplantation and Cellular Therapies and Principal Investigator of the FBX-101 trial at UMPC. "FBX-101 is an AAV gene therapy that has shown promising preclinical efficacy in Krabbe animal models of disease by extending survival and improving neuromuscular function when administered early in the disease course."

"The FBX-101 preclinical data brings a new wave of hope to the Krabbe community," said Anna Grantham, Director of Leukodystrophy Care Network Programs at Hunter's Hope. "These FDA designations for FBX-101 underscore a beautiful and collective effort to accelerate the timelines of bringing this potential therapy to patients who urgently need them."

"To see a promising new treatment for Krabbe receive these designations so quickly brings us one step closer to what everyone in our disease community is ultimately working towards: an FDA-approved treatmentfor Krabbe disease to reach the beside of all patients impacted by this disease," said Stacy Pike-Langenfeld, Director of Programs and Administration at The Legacy of Angels Foundation. "Our mission has always been to promote research to develop and enhance treatments for Krabbe disease, so it's very encouraging to see that Forge and FBX-101 have made so much progress in such a short amount of time."

Patients and families can learn more about clinical trials for FBX-101 by visiting https://www.forgebiologics.com/science/#krabbe.

About Krabbe diseaseKrabbe disease is a rare, inherited leukodystrophy affecting approximately 1:12,500 - 100,000 people in the U.S.A. Krabbe disease is caused by loss-of-function mutations in the galactosylceramidase (GALC) gene, a lysosomal enzyme responsible for the breakdown of certain types of lipids such as psychosine. Without functional GALC, psychosine accumulates to toxic levels in cells. The psychosine toxicity is most severe in the myelin cells surrounding the nerves in the brain and in the peripheral nervous system, eventually leading to the death of these cells. The disease initially manifests as physical delays in development, muscle weakness and irritability and advances rapidly to difficulty swallowing, breathing problems, cognitive, vision and hearing loss. Early onset or "Infantile", Krabbe disease cases usually results in death by age 2-4 years, while later onset or "Late Infantile" cases have a more variable course of progressive decline. There is currently no approved treatment for Krabbe disease.

About FBX-101Forge is developing FBX-101 to treat patients with infantile Krabbe disease. FBX-101 is an adeno-associated viral (AAV) gene therapy that is delivered after a hematopoietic stem cell transplant. FBX-101 delivers a functional copy of the GALC gene to cells in both the central and peripheral nervous system. FBX-101 has been shown to functionally correct the central and peripheral neuropathy and correct the behavioral impairments associated with Krabbe disease in animal models, and to drastically improve the lifespan of treated animals. This approach has the potential to overcome some of the immunological safety challenges observed in traditional AAV gene therapies.

About Forge BiologicsForge Biologics is a hybrid gene therapy contract manufacturing and therapeutic development company. Forge's mission is to enable access to life changing gene therapies and help bring them from idea into reality. Forge has a 175,000 ft2 facility in Columbus, Ohio, "The Hearth", to serve as their headquarters. The Hearth is the home of a custom-designed cGMP facility dedicated to AAV viral vector manufacturing and will host end-to-end manufacturing services to accelerate gene therapy programs from preclinical through clinical and commercial stage manufacturing.By taking a patients-first approach, Forge aims to accelerate the timelines of these transformative medicines for those who need them the most.

For more information, please visit https://www.forgebiologics.com.

Patient, Pediatrician, Genetic Counselors & Family InquiriesDr. Maria EscolarChief Medical OfficerForge Biologics Inc.medicalaffairs@forgebiologics.com

Media Inquiries:Dan SalvoDirector of Communications and Community DevelopmentForge Biologics Inc.media@forgebiologics.com

Investor Relations and Business DevelopmentChristina PerryVice President, Finance and OperationsForge Biologics Inc.Investors@forgebiologics.com

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Forge Biologics Receives FDA Fast Track, Orphan Drug, and Rare Pediatric Disease Designations for FBX-101 Gene Therapy for Patients with Krabbe...