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Category Archives: Genetic Therapy

SparingVision raises 44.5M to develop mutation-agnostic gene therapy – FierceBiotech

SparingVision has raised 44.5 million ($52.5 million) to develop its mutation-agnostic gene therapy treatment for retinitis pigmentosa (RP). The financing positions SparingVision to fund clinical trials of an AAV gene therapy that could stop vision deterioration in the 2 million RP patients.

Gene therapies including Roches Luxturna are designed to address genetic drivers that cause some patients to develop RP and suffer vision loss. However, with at least 65 distinct RP-causing mutations of three different types, the numbers of patients that can be helped with any one gene-replacement therapy are relatively small. SparingVision, in contrast, is going after the whole RP market.

Its gene therapy but its mutation agnostic. The market potential is very large, unlike most gene therapies being developed, which address very specific mutations [in the eye]. The commercial viability of those mutation-specific gene therapies is kind of questionable, Stphane Boissel, who recently took over as CEO of SparingVision, said.

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The mutation-agnostic approach is built on an understanding of RP. The deterioration of the vision of RP patients begins with the degeneration of rod photoreceptors. That causes night blindness. Over time, cone photoreceptors start to degenerate, causing vision to deteriorate to the point that a patient is legally blind, despite most known genetic mutations only affecting the rods.

SparingVisions scientific founders identified an explanation for the loss of cones. As the number of rods falls, cones receive lower levels of the neurotrophic factors released by the photoreceptors. The loss of rods leads to lower levels of the neurotrophic factors, which in turn causes the loss of cones.

The research led to a novel gene therapy approach. Unlike treatments such as Luxturna, the gene therapy does not seek to replace a faulty or missing gene. Rather, the therapy is designed to ensure cones have access to the molecules that support their preservation. The gene therapy encodes for neutrophil factor RdCVF and an enzyme, potentially enabling it to restore aerobic glycolysis in cones and protect them from oxidative stress.

The idea is not to restore vision. The idea is to slow or stop the progression of the disease by preventing the cones from further degenerating, Boissel said.

SparingVision has raised 44.5 million to pursue that idea, bringing its total series A financing haul up to around 60 million. With GMP manufacturing almost done and IND-enabling studies underway, the money will enable SparingVision to move into a clinical trial to assess the safety of its candidate next year. Once SparingVision has safety data, it will run an efficacy trial using the series A funds.

The potential to take a mutation-agnostic RP gene therapy to clinical proof of concept has attracted a diverse group of investors. Advanced therapy VC 4BIO Capital led the round with UPMC Enterprises, the venture arm of healthcare provider and insurer UPMC. Jeito Capital, Ysios Capital, Bpifrance and Foundation Fighting Blindnessa charity that funded research into RdCVFalso participated.

The syndicate that we put together is not the typical VC syndicate. This is a well-balanced group of typical VCs but also very long-term, patient-centric investors. We have no pressure to, for example, exit. The only pressure we have is to deliver a drug to the patients, Boissel said.

Boissel has taken upthat challenge after two years at Sangamo Therapeutics, which bought the last company he led, TxCell, for 72 million. The CEO is now building out the rest of the team, with a chief technical officer set to join soon and a chief medical officer slated to arrive in the new year. The team will work to advance the lead candidate into the clinic and expand into the U.S.

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Selecta Biosciences and AskBio Receive FDA Rare Pediatric Disease Designation for their Gene Therapy for Methylmalonic Acidemia – GlobeNewswire

WATERTOWN, Mass. and RESEARCH TRIANGLE PARK, N.C., Oct. 20, 2020 (GLOBE NEWSWIRE) -- Selecta Biosciences, Inc. (NASDAQ: SELB) and Asklepios BioPharmaceutical, Inc. (AskBio), today announced the U.S. Food and Drug Administration (FDA) has granted Rare Pediatric Disease Designation to MMA-101 for the treatment of isolated methylmalonic acidemia (MMA) due to methylmalonyl-CoA mutase (MMUT) gene mutations. The FDA grants Rare Pediatric Disease Designation to incentivize development of new treatments for serious and life-threatening diseases that primarily affect children ages 18 years or younger with fewer than 200,000 people affected in the U.S. The Rare Pediatric Disease designation program allows for a Sponsor who receives an approval for a product to potentially qualify for a voucher that can be redeemed to receive a priority review of a subsequent marketing application for a different product.

This Rare Pediatric Disease designation from the FDA highlights the significant unmet medical need that Selecta and AskBio are seeking to address with MMA-101 for this rare metabolic disorder, said Carsten Brunn, Ph.D., chief executive officer of Selecta Biosciences. When used with AAV gene therapy vectors, Selectas ImmTOR aims to inhibit the immune response to the AAV vector, potentially allowing re-dosing of gene therapies. Ongoing clinical programs will focus on evaluating product candidate performance in patients who may have been underdosed or those who may lose transgene expression over time. Were honored to receive this recognition and look forward to advancing this program in hopes of helping young patients affected by MMA and their families.

MMA is a serious and potentially life-threatening inherited metabolic disorder that presents in patients from newborns to adulthood, said Sheila Mikhail, J.D., CEO and co-founder of AskBio. AskBio is committed to delivering transformative genetic medicines for rare diseases like this one, and the Rare Pediatric Disease designation helps us continue development of MMA-101.

AskBio and Selecta expect to initiate a Phase 1 clinical trial of MMA-101 and ImmTOR for patients with MMA in 1H 2021.

About Methylmalonic AcidemiaMethylmalonic Acidemia (MMA) is a rare monogenic disorder in which the body cannot break down certain proteins and fats. This metabolic disease may lead to hyperammonemia and is associated with long-term complications including feeding problems, intellectual disability, chronic kidney disease and inflammation of the pancreas. Symptoms of MMA usually appear in early infancy and vary from mild to life-threatening. Without treatment, this disorder can lead to coma and in some cases death.

About Selecta Biosciences, Inc.Selecta Biosciences, Inc. (NASDAQ: SELB) is leveraging its clinically validated ImmTOR platform to develop tolerogenic therapies that selectively mitigate unwanted immune responses. With a proven ability to induce tolerance to highly immunogenic proteins, ImmTOR has the potential to amplify the efficacy of biologic therapies, including redosing of life-saving gene therapies, as well as restore the bodys natural self-tolerance in autoimmune diseases. The companys first program aimed at addressing immunogenicity to AAV gene therapies is expected to enter clinical trials in early 2021 in partnership with AskBio for the treatment of methylmalonic acidemia (MMA), a rare metabolic disorder. A wholly-owned program focused on addressing IgA nephropathy driven by ImmTOR and a therapeutic enzyme is also in development among additional product candidates. Selecta recently licensed its Phase 3 clinical product candidate, SEL-212, in chronic refractory gout to Sobi. For more information, please visit http://www.selectabio.com. About AskBioFounded in 2001, Asklepios BioPharmaceutical, Inc. (AskBio) is a privately held, fully integrated AAV gene therapy company dedicated to developing life-saving medicines that cure genetic diseases. Its pipeline includes clinical-stage programs in Pompe disease and congestive heart failure and a diverse preclinical portfolio of therapeutics targeting neuromuscular, CNS and other diseases, as well as out-licensed clinical indications for hemophilia (Chatham Therapeutics, acquired by Takeda) and Duchenne muscular dystrophy (Bamboo Therapeutics, acquired by Pfizer). AskBios gene therapy platform includes Pro10, an industry-leading proprietary cell line manufacturing process, and an extensive AAV capsid and promoter library. With global headquarters in Research Triangle Park, North Carolina, and European headquarters in Edinburgh, UK, the company has generated hundreds of proprietary third generation AAV capsids and promoters, several of which have entered clinical testing. An early innovator in the space, the company holds more than 500 patents in areas such as AAV production and chimeric and self-complementary capsids.

Selecta Forward-Looking StatementsAny statements in this press release about the future expectations, plans and prospects of Selecta Biosciences, Inc. (the company), including without limitation, statements regarding the unique proprietary technology platform of the company, and the unique proprietary platform of its partners, the potential of ImmTOR to enable re-dosing of AAV gene therapy, the potential treatment applications of product candidates utilizing the ImmTOR platform in areas such as gene therapy and MMA, the companys plans to initiate a clinical trial for a product candidate to treat MMA, the ability of the company and AskBio to develop gene therapy products using ImmTOR and AskBios technology, any development plans of the company and AskBio have for product candidates to treat serious and life-threatening diseases and the intention to seek regulatory approval thereof, the novelty of treatment paradigms that the Company is able to develop, the potential of any therapies developed by the company and AskBio to fulfill unmet medical needs, the companys plan to apply its ImmTOR technology platform to a range of biologics for rare and orphan genetic diseases, the potential of the companys intellectual property to enable repeat administration in gene therapy product candidates and products, the ability to re-dose patients and the potential of ImmTOR to allow for re-dosing, the potential to safely re-dose AAV, the ability to restore transgene expression, the potential of the ImmTOR technology platform generally and the companys ability to grow its strategic partnerships, and other statements containing the words anticipate, believe, continue, could, estimate, expect, hypothesize, intend, may, plan, potential, predict, project, should, target, would, and similar expressions, constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including, but not limited to, the following: the uncertainties inherent in the initiation, completion and cost of clinical trials including proof of concept trials, including the uncertain outcomes, the availability and timing of data from ongoing and future clinical trials and the results of such trials, whether preliminary results from a particular clinical trial will be predictive of the final results of that trial or whether results of early clinical trials will be indicative of the results of later clinical trials, the unproven approach of the companys ImmTOR technology, potential delays in enrollment of patients, undesirable side effects of the companys product candidates, its reliance on third parties to manufacture its product candidates and to conduct its clinical trials, the companys inability to maintain its existing or future collaborations, licenses or contractual relationships, its inability to protect its proprietary technology and intellectual property, potential delays in regulatory approvals, the availability of funding sufficient for its foreseeable and unforeseeable operating expenses and capital expenditure requirements, the companys recurring losses from operations and negative cash flows from operations raise substantial doubt regarding its ability to continue as a going concern, substantial fluctuation in the price of its common stock, and other important factors discussed in the Risk Factors section of the companys most recent Quarterly Report on Form 10-Q, and in other filings that the company makes with the Securities and Exchange Commission. In addition, any forward-looking statements included in this press release represent the companys views only as of the date of its publication and should not be relied upon as representing its views as of any subsequent date. The company specifically disclaims any intention to update any forward-looking statements included in this press release.

AskBio Forward-Looking StatementsThis press release contains forward-looking statements regarding AskBio. Any statements contained in this press release that are not statements of historical fact may be deemed to be forward-looking statements. Words such as believes, anticipates, plans, expects, will, intends, potential, possible and similar expressions are intended to identify forward-looking statements. These forward-looking statements include statements regarding MMA-101, including the potential timing of the Phase 1 clinical trial for patients with MMA, AskBios pipeline of development candidates; AskBios goal of developing life-saving medicines aimed at curing genetic diseases; the potential benefits of AskBios development candidates to patients.

These forward-looking statements involve risks and uncertainties, many of which are beyond AskBios control. Known risks include, among others: AskBio may not be able to execute on its business plans and goals, including meeting its expected or planned regulatory milestones and timelines, clinical development plans and bringing its product candidates to market, due to a variety of reasons, including the ongoing COVID-19 pandemic, possible limitations of company financial and other resources, manufacturing limitations that may not be anticipated or resolved in a timely manner, potential disagreements or other issues with our third-party collaborators and partners, and regulatory, court or agency feedback or decisions, such as feedback and decisions from the United States Food and Drug Administration or the United States Patent and Trademark Office.

Any of the foregoing risks could materially and adversely affect AskBios business and results of operations. You should not place undue reliance on the forward-looking statements contained in this press release. AskBio does not undertake any obligation to publicly update its forward-looking statements based on events or circumstances after the date hereof.

For more information please contact:

Selecta: For Investors:Lee M. SternSolebury Trout+1-646-378-2922lstern@soleburytrout.com

For Media: Meredith Sosulski, Ph.D.LifeSci Communications, LLC+1-929-469-3851msosulski@lifescicomms.com

AskBio:Robin FastenauVice President, Communications+1-984-275-2705rfastenau@askbio.com

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Selecta Biosciences and AskBio Receive FDA Rare Pediatric Disease Designation for their Gene Therapy for Methylmalonic Acidemia - GlobeNewswire

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UCI-led study reveals significant restoration of retinal and visual function following gene therapy – Newswise

Newswise Irvine, CA October 19, 2020 A breakthrough study, led by researchers from the University of California, Irvine, results in the restoration of retinal and visual functions of mice models suffering from inherited retinal disease.

Published today in Nature Biomedical Engineering, the paper, titled, Restoration of visual function in adult mice with an inherited retinal disease via adenine base editing, illustrates the use of a new generation CRISPR technology and lays the foundation for the development of a new therapeutic modality for a wide range of inherited ocular diseases caused by different gene mutations.

"In this proof-of-concept study, we provide evidence of the clinical potential of base editors for the correction of mutations causing inherited retinal diseases and for restoring visual function," said Krzysztof Palczewski, PhD, the Irving H. Leopold chair and a distinguished professor in the Gavin Herbert Eye Institute, Department of Ophthalmology at the UCI School of Medicine. Our results demonstrate the most successfulrescueof blindness to date using genome editing.

Inherited retinal diseases (IRDs) are a group of blinding conditions caused by mutations in more than 250 different genes. Previously, there was no avenue available for treating these devastating blinding diseases. Recently, the FDA approved the first gene augmentation therapy for Leber congenital amaurosis (LCA), a common form of IRD which originates during childhood.

As an alternative to gene augmentation therapy, we applied a new generation of CRISPR technology, referred to as base editing as a treatment for inherited retinal diseases, said first author Susie Suh, assistant specialist in the UCI School of Medicine Department of Ophthalmology. We overcame some of the barriers to the CRISPR-Cas9 system, such as unpredictable off-target mutations and low editing efficiency, by utilizing cytosine and adenine base editors (CBE and ABE). Use of these editors enabled us to correct point mutations in a precise and predictable manner while minimizing unintended mutations that could potentially cause undesirable side effects, said co-first author Elliot Choi, also an assistant specialist in the UCI Department of Ophthalmology.

Using an LCA mouse model harboring a clinically relevant pathogenic mutation in the Rpe65 gene, the UCI team successfully demonstrated the therapeutic potential of base editing for the treatment of LCA and by extension other inherited blinding diseases. Among other results, the base editing treatment restored retinal and visual function in LCA mice to near-normal levels.

After receiving treatment, the mice in our study could discriminate visual changes in terms of direction, size, contrast and spatial and temporal frequency, said Palczewski. These results are extremely encouraging and represent a major advance towards the development of treatments for inherited retinal diseases."

Gene therapy approaches to treating inherited retinal diseases are of special interest given the accessibility of the eye, its immune-privileged status and the successful clinical trials of RPE65 gene augmentation therapy that led to the first US Food and Drug Administration-approved gene therapy. Now, as demonstrated in this study, base-editing technology can provide an alternative treatment model of gene augmentation therapy to permanently rescue the function of a key vision-related protein disabled by mutations.

This research was supported in part by grants from the National Institutes of Health, the Research to Prevent Blindness Stein Innovation Award, Fight for Sight, the Eye and Tissue Bank Foundation (Finland), The Finnish Cultural Foundation, the Orion Research Foundation, the Helen Hay Whitney Foundation, US Department of Veterans Affairs, and a Research to Prevent Blindness unrestricted grant to the Department of Ophthalmology, University of California, Irvine.

About the UCI School of Medicine

Each year, the UCI School of Medicine educates more than 400 medical students, and nearly 150 doctoral and masters students. More than 700 residents and fellows are trained at UCI Medical Center and affiliated institutions. The School of Medicine offers an MD; a dual MD/PhD medical scientist training program; and PhDs and masters degrees in anatomy and neurobiology, biomedical sciences, genetic counseling, epidemiology, environmental health sciences, pathology, pharmacology, physiology and biophysics, and translational sciences. Medical students also may pursue an MD/MBA, an MD/masters in public health, or an MD/masters degree through one of three mission-based programs: the Health Education to Advance Leaders in Integrative Medicine (HEAL-IM), the Leadership Education to Advance Diversity-African, Black and Caribbean (LEAD-ABC), and the Program in Medical Education for the Latino Community (PRIME-LC). The UCI School of Medicine is accredited by the Liaison Committee on Medical Accreditation and ranks among the top 50 nationwide for research. For more information, visit som.uci.edu.

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UCI-led study reveals significant restoration of retinal and visual function following gene therapy - Newswise

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Hemophilia Gene Therapy Market is Thriving by World during Upcoming Year | Top Companies: Spark Therapeutics, Ultragenyx, Sangamo Therapeutics,…

Hemophilia is a genetic bleeding disorder in which an individual lacks or has low levels of a protein called a clotting factor. There are about 13 types of clotting factors that act on platelets, which are needed to initiate the clotting process. There are three forms of hemophilia: A, B, and C. Hemophilia A is the most common form and is caused by a deficiency of clotting factor VIII. Hemophilia B is caused by a deficiency of clotting factor IX, and hemophilia C is caused by a deficiency of clotting factor XI. Hemophilia cannot be cured with current treatment options, which not only reduces symptoms such as spontaneous bleeding in muscles and joints, but increases the risk of intracranial bleeding.

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Hemophilia Gene Therapy Market is Thriving by World during Upcoming Year | Top Companies: Spark Therapeutics, Ultragenyx, Sangamo Therapeutics,...

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Orchard Therapeutics Receives Positive CHMP Opinion for Libmeldy for the Treatment of Early-Onset Metachromatic Leukodystrophy (MLD) – GlobeNewswire

First therapy recommended for full marketing authorization in the EU for eligible patients with confirmed diagnosis of late infantile or early juvenile MLD variants

One-time treatment with Libmeldy has been shown to preserve cognitive and motor function in most patients

Libmeldy is backed by data across 35 patients with follow-up of up to 8 years post-treatment, demonstrating the potential durability of HSC gene therapy

BOSTON and LONDON, Oct. 16, 2020 (GLOBE NEWSWIRE) -- Orchard Therapeutics (Nasdaq: ORTX), a global gene therapy leader, today announced that the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has adopted a positive opinion recommending full, or standard, marketing authorization for Libmeldy (cryopreserved autologous CD34+ cells encoding the arylsulfatase-A, or ARSA, gene), an investigational gene therapy for the treatment of metachromatic leukodystrophy (MLD), characterized by biallelic mutations in the ARSA gene leading to a reduction of the ARSA enzymatic activity in children with i) late infantile or early juvenile forms, without clinical manifestations of the disease, or ii) the early juvenile form, with early clinical manifestations of the disease, who still have the ability to walk independently and before the onset of cognitive decline.

The CHMPs positive opinion will now be reviewed by theEuropean Commission(EC), which has the authority to grant marketing authorization for Libmeldy in theEuropean Union(EU). A final decision by the EC for Libmeldy is anticipated before the end of 2020. If approved, Libmeldy would be the first commercial therapy and first gene therapy for eligible patients with early-onset MLD.

MLD is a very rare, severe genetic condition caused by mutations in the ARSA gene which lead to neurological damage and developmental regression. In its most severe and common forms, young children rapidly lose the ability to walk, talk and interact with the world around them. A majority of these patients pass away in childhood, with palliative care often as their only option.

Todays positive CHMP opinion for marketing authorization of Libmeldy is a remarkable achievement that we share with the MLD community, as it brings us closer to delivering a one-time, potentially transformative therapy for eligible children suffering from this devastating disease, said Bobby Gaspar, M.D., Ph.D., chief executive officer, Orchard Therapeutics. Data from the Libmeldy clinical program have demonstrated the potential for long-term positive effects on cognitive development and maintenance of motor function, translating to individual preservation of motor milestones such as the ability to sit, stand and/or walk without support, as well as attainment of cognitive skills like social interactions and school attendance, at ages at which untreated patients show severe motor and cognitive impairments.

Libmeldy is designed as a one-time gene therapy, developed in partnership with the San Raffaele-Telethon Institute for Gene Therapy (SR-Tiget) in Milan, Italy, in which the patients own hematopoietic stem cells (HSCs) are selected, and functional copies of the ARSA gene are inserted into the genome of the HSCs using a lentiviral vector before these genetically modified cells are infused back into the patient. The ability of the gene-corrected HSCs to migrate across the blood-brain barrier into the brain, engraft, and express the functional enzyme has the potential to persistently correct the underlying genetic condition with a single treatment.

This is an important milestone toward making the availability of HSC gene therapy a reality for more patients, and it also is extremely rewarding for our multi-disciplinary team at SR-Tiget who has worked relentlessly along this 15-year journey to move the seminal proof of principle studies to the first in-human testing of this therapy, said SR-Tiget director Luigi Naldini, M.D, Ph.D. The robust and durable clinical benefits observed in early-onset MLD patients who received HSC gene therapy are compelling, especially when compared to the natural history of the disease. These results also further illustrate our view that the HSC gene therapy approach has the potential to deliver transformative effects in other storage diseases as well, especially when the cells are designed to overexpress the functional enzyme and provide an enhanced supply of it to the affected tissues.

As a parent, watching your child start down a seemingly normal developmental path only to suddenly and rapidly lose some or all of his or her abilities is heart-wrenching, and the agony is even more acute knowing no approved therapies currently exist for MLD, said Georgina Morton, Chair of ArchAngel MLD Trust. Todays decision to advance Libmeldy to the final EC approval stage represents a huge step forward for the parents of these young children and for all of us in the MLD community.

We are extremely appreciative of the EMAs expedited and thorough review of Libmeldys marketing authorization application, considering the severity of MLD coupled with the limited treatment options available today for young patients, said Anne Dupraz, chief regulatory officer, Orchard Therapeutics. The Agencys collaboration on this assessment is a testament to their broader public health commitment to ensure timely evaluation of new medicines for diseases where a pressing unmet need exists.

Data Supporting the Clinical Profile of Libmeldy

The positive CHMP opinion is supported by clinical studies of Libmeldy in both pre- and early- symptomatic, early-onset MLD patients. Early-onset MLD encompasses the disease variants traditionally referred to as late infantile (LI) and early juvenile (EJ).

Clinical efficacy was based on the integrated analysis of results from 29 patients with early-onset MLD who were all treated with Libmeldy prepared as a fresh (non-cryopreserved) formulation:

Clinical safety was evaluated in 35 patients with early-onset MLD:

Co-primary endpointsThe co-primary endpoints of the integrated efficacy analysis were Gross Motor Function Measure (GMFM) total score and ARSA activity, both evaluated at 2 years post-treatment. Results of this analysis indicate that a single-dose intravenous administration of Libmeldy is effective in modifying the disease course of early-onset MLD in most patients.

Pre-symptomatic LI and EJ patients treated with Libmeldy experienced significantly less deterioration in motor function at 2 years and 3 years post-treatment, as measured by GMFM total score, compared to age and disease subtype-matched untreated patients (p0.008). The mean difference between treated pre-symptomatic LI patients and age-matched untreated LI patients was 71.0% at year 2 and 79.8% at year 3. Similarly, the mean difference between treated pre-symptomatic EJ patients and age-matched untreated EJ patients was 52.4% at year 2 and 74.9% at year 3. Although not statistically significant, a clear difference in GMFM total score was also noted between treated early-symptomatic EJ patients and age-matched untreated EJ patients (28.7% at year 2; p=0.350 and 43.9% at year 3; p=0.054).

A statistically significant increase in ARSA activity in peripheral blood mononuclear cells was observed at 2 years post-treatment compared to pre-treatment in both pre-symptomatic patients (20.0-fold increase; p<0.001) and early-symptomatic patients (4.2-fold increase; p=0.004).

At the time of the integrated data analysis, all treated LI patients were alive with a follow-up post-treatment up to 7.5 years and 10 out of 13 treated EJ patients were alive with a follow-up post-treatment of up to 6.5 years. No treatment-related mortality has been reported in patients treated with Libmeldy.

Key secondary endpointsFor EJ patients who were early-symptomatic when treated with Libmeldy, meaningful effects on motor development were demonstrated when these patients were treated before entering the rapidly progressive phase of the disease (IQ85 and Gross Motor Function Classification (GMFC)1). By 4 years post-disease onset, an estimated 62.5% of treated, early-symptomatic EJ MLD patients survived and maintained locomotion and ability to sit without support compared with 26.3% of untreated early-symptomatic EJ MLD patients, representing a delay in disease progression following treatment with Libmeldy.

A secondary efficacy endpoint that measured cognitive and language abilities as quantified by Intelligence Quotient/Development Quotient (IQ/DQ) found:

Clinical safetySafety data indicate that Libmeldy was generally well-tolerated. The most common adverse reaction attributed to treatment with Libmeldy was the occurrence of anti-ARSA antibodies (AAA) reported in 5 out of 35 patients. Antibody titers in all 5 patients were generally low and no negative effects were observed in post-treatment ARSA activity in the peripheral blood or bone marrow cellular subpopulations, nor in the ARSA activity within the cerebrospinal fluid. Treatment with Libmeldy is preceded by other medical interventions, namely bone marrow harvest or peripheral blood mobilization and apheresis, followed by myeloablative conditioning, which carry their own risks. During the clinical studies, the safety profiles of these interventions were consistent with their known safety and tolerability.

About MLD and Investigational Libmeldy

Metachromatic leukodystrophy (MLD) is a rare and life-threatening inherited disease of the bodys metabolic system occurring in approximately one in every 100,000 live births. MLD is caused by a mutation in thearylsulfatase-A(ARSA) gene that results in the accumulation of sulfatides in the brain and other areas of the body, including the liver, gallbladder, kidneys, and/or spleen. Over time, the nervous system is damaged, leading to neurological problems such as motor, behavioral and cognitive regression, severe spasticity and seizures. Patients with MLD gradually lose the ability to move, talk, swallow, eat and see. Currently, there are no approved treatments for MLD. In its late infantile form, mortality at 5 years from onset is estimated at 50% and 44% at 10 years for juvenile patients.1Libmeldy (autologous CD34+ cell enriched population that contains hematopoietic stem and progenitor cells (HSPC) transduced ex vivo using a lentiviral vector encoding the human arylsulfatase-A (ARSA) gene), formerly OTL-200, is being studied for the treatment of MLD in certain patients. Libmeldy was acquired from GSK inApril 2018and originated from a pioneering collaboration between GSK and the Hospital San Raffaele and Fondazione Telethon, acting through their jointSan Raffaele-Telethon Institute for Gene TherapyinMilan, initiated in 2010.

About Orchard

Orchard Therapeutics is a global gene therapy leader dedicated to transforming the lives of people affected by rare diseases through the development of innovative, potentially curative gene therapies. Our ex vivo autologous gene therapy approach harnesses the power of genetically modified blood stem cells and seeks to correct the underlying cause of disease in a single administration. In 2018, Orchard acquired GSKs rare disease gene therapy portfolio, which originated from a pioneering collaboration between GSK and theSan Raffaele Telethon Institute for Gene Therapy in Milan, Italy. Orchard now has one of the deepest and most advanced gene therapy product candidate pipelines in the industry spanning multiple therapeutic areas where the disease burden on children, families and caregivers is immense and current treatment options are limited or do not exist.

Orchard has its global headquarters in London and U.S. headquarters in Boston. For more information, please visit http://www.orchard-tx.com, and follow us on Twitter and LinkedIn.

Availability of Other Information About Orchard

Investors and others should note that Orchard communicates with its investors and the public using the company website (www.orchard-tx.com), the investor relations website (ir.orchard-tx.com), and on social media (Twitter and LinkedIn), including but not limited to investor presentations and investor fact sheets, U.S. Securities and Exchange Commission filings, press releases, public conference calls and webcasts. The information that Orchard posts on these channels and websites could be deemed to be material information. As a result, Orchard encourages investors, the media, and others interested in Orchard to review the information that is posted on these channels, including the investor relations website, on a regular basis. This list of channels may be updated from time to time on Orchards investor relations website and may include additional social media channels. The contents of Orchards website or these channels, or any other website that may be accessed from its website or these channels, shall not be deemed incorporated by reference in any filing under the Securities Act of 1933.

Forward-Looking Statements

This press release contains certain forward-looking statements about Orchards strategy, future plans and prospects, which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements may be identified by words such as anticipates, believes, expects, plans, intends, projects, and future or similar expressions that are intended to identify forward-looking statements. Forward-looking statements include express or implied statements relating to, among other things, Orchards business strategy and goals, including its plans and expectations for the regulatory approval and commercialization of Libmeldy, and the therapeutic potential of Libmeldy, including the potential implications of clinical data for eligible patients. These statements are neither promises nor guarantees and are subject to a variety of risks and uncertainties, many of which are beyond Orchards control, which could cause actual results to differ materially from those contemplated in these forward-looking statements. In particular, these risks and uncertainties include, without limitation: the risk that our marketing authorization application submitted for Libmeldy may not be approved by the European Commission when expected, or at all; the risk that prior results, such as signals of safety, activity or durability of effect, observed from clinical trials of Libmeldy will not continue or be repeated in our ongoing or planned clinical trials of Libmeldy, will be insufficient to support regulatory submissions or marketing approval in the US and EU or that long-term adverse safety findings may be discovered; the inability or risk of delays in Orchards ability to commercialize Libmeldy, if approved, including the risk that we may not secure adequate pricing or reimbursement to support continued development or commercialization of Libmeldy; and the severity of the impact of the COVID-19 pandemic on Orchards business, including on clinical development, its supply chain and commercial programs. Given these uncertainties, the reader is advised not to place any undue reliance on such forward-looking statements.

Other risks and uncertainties faced by Orchard include those identified under the heading "Risk Factors" in Orchards quarterly report on Form 10-Q for the quarter ended June 30, 2020, as filed with the U.S. Securities and Exchange Commission (SEC), as well as subsequent filings and reports filed with the SEC. The forward-looking statements contained in this press release reflect Orchards views as of the date hereof, and Orchard does not assume and specifically disclaims any obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required by law.

Contacts

InvestorsRenee LeckDirector, Investor Relations+1 862-242-0764Renee.Leck@orchard-tx.com

MediaChristine HarrisonVice President, Corporate Affairs+1 202-415-0137media@orchard-tx.com

1 Mahmood et al. Metachromatic Leukodystrophy: A Case of Triplets with the Late Infantile Variant and a Systematic Review of the Literature.Journal of Child Neurology2010, DOI:http://doi.org/10.1177/0883073809341669

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Orchard Therapeutics Receives Positive CHMP Opinion for Libmeldy for the Treatment of Early-Onset Metachromatic Leukodystrophy (MLD) - GlobeNewswire

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Gene Therapy for Inherited Genetic Disorders Market Robust pace of Industry during 2018-2028 – The Think Curiouser

Global Gene Therapy for Inherited Genetic Disorders Market: Overview

Rapid advances in mammalian DNA sequencing technologies over the past several years have enabled the identification of the aberrant genes responsible for a vast spectrum of genetic disorders. Gene therapy as a novel approach inarguably holds profound potential in finding universal therapeutic alternatives to treating inherited genetic disorders. Gene therapy for inherited genetic disorders entails introducing a functional copy of the defective gene to make up for the missing function, and can be accomplished using in vivo or ex vivo gene transfer.

Gene therapy for inherited genetic disorders has generated groundswell of interest in the research fraternity in finding cure for or in treatment of Mendelian genetic error causing rare diseases. Particularly, gene therapy in recent years has held promising potential in the treatment of a range of recessive gene disorders most notably sickle cell anemia, hemophilia, muscular dystrophy, cystic fibrosis, and other monogenic disorders. The axes of developments in the gene therapy for inherited genetic disorders market have been in the U.S., Europe, China, and Australia.

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Global Gene Therapy for Inherited Genetic Disorders Market: Notable Developments

Growing body of clinical studies done on mice models have unrivalled troves of preclinical data, which bodes well for the effectiveness of gene therapy for inherited genetic disorders. New approaches in the gene therapy for inherited genetic disorders market are being adopted to bring progress in this direction. In this regard, Salmeterol, a medicine approved for asthma, has shone a new light. The vasodilator to be used along with gene therapy has shown potential in increasing the effectiveness of the therapy for Glycogen storage disease type II (Pompe disease).

A team of investigator led by the researcher at Duke University Medical School discussed the preclinical data recently at 2019 annual meeting of the American Society of Gene & Cell Therapy. The preclinical data showed that the Asthma medicine reduces the accumulation of toxic glycogen accumulated in lysosome. The researchers concluded that it holds potential as an adjunctive therapy, and building on that may pave way for novel approaches on gene therapy for inherited genetic disorders.

Efforts to translate the findings of clinical research on gene therapy for inherited disorders to make the therapy a part of standard treatment has caught momentum in recent times. In this regard, vectors containing non-viral vectors have attracted the attention of scientists. A team of researchers at Fred Hutchinson Cancer Research Center in 2019 found that gold nanoparticles enable them to deliver gene-editing tools to blood stem cells in lab models. This might, they opined, pave way for more practicaland accessiblegene therapies for inherited disorders, notably for treating life-threatening blood disorders. Gene therapies were mediated by CRISPR. In the coming years they hope to collaborate with companies with commercial interest to develop the therapy for patient populations.

Some of the bigplayerseyeing promising stakes in the gene therapy for inherited genetic disorders market areSpark Therapeutics Inc., Orchard Therapeutics, Novartis AG, bluebird bio Inc., and BioMarin Pharmaceutical.

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Global Gene Therapy for Inherited Genetic Disorders Market: Key Drivers

Since 2000, scores of clinical trials involving patients with inherited genetic disorders have raised hopes of the medical fraternity of the potential of gene therapies. Thus far, more than 5000 clinical trials on gene therapy have been conducted, especially for hard-to-treat diseases. Diseases such as inherited blindness and leukemia have seen the efficacy and safety of gene therapies. Advances in bioengineering are expected to invigorate pre-clinical pipelines. In the not-so-distant future, success of more protocols will catalyze the prospects of the gene therapy for inherited genetic disorders market.

Further, advances have been made in viral and non-viral vectors with the purpose of making gene transfer more efficient, thereby boosting the gene therapy for inherited genetic disorders market. Particularly, new approaches emerged with the aim of making vectors more powerful.

Global Gene Therapy for Inherited Genetic Disorders Market: Regional Assessment

On the regional front, Asia Pacific bears considerable potential in the gene therapy for inherited disorders market. Of note, numerous strategic alliances have shifted their focus on the region, particularly China. The North America market has also been rising at a promising pace, driven by several gene-therapy tools and related drugs in the final stages of clinical trials. Favorable reimbursement models has also encouraged research into the gene therapy for inherited disorders.

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Gene Therapy for Inherited Genetic Disorders Market Robust pace of Industry during 2018-2028 - The Think Curiouser

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