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Avalglucosidase alfa

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Avalglucosidase alfa

アバルグルコシダーゼアルファ (遺伝子組換え)

Avalglucosidase alfa (USAN/INN);
Avalglucosidase alfa (genetical recombination) (JAN);
Avalglucosidase alfa-ngpt

To treat late-onset Pompe disease

FormulaC4490H6818N1197O1299S32
CAS1802558-87-7
Mol weight99375.4984

FDA APPROVED Nexviazyme, 2021/8/6, Enzyme replacement therapy product
Treatment of Pompe disease

Biologic License Application (BLA): 761194
Company: GENZYME CORP

https://www.fda.gov/news-events/press-announcements/fda-approves-new-treatment-pompe-diseaseFor Immediate Release:August 06, 2021

Today, the U.S. Food and Drug Administration approved Nexviazyme (avalglucosidase alfa-ngpt) for intravenous infusion to treat patients 1 year of age and older with late-onset Pompe disease.

Patients with Pompe disease have an enzyme deficiency that leads to the accumulation of a complex sugar, called glycogen, in skeletal and heart muscles, which cause muscle weakness and premature death from respiratory or heart failure. Normally, glycogen—the stored form of glucose—breaks down to release glucose into the bloodstream to be used as fuel for the cells.

“Pompe disease is a rare genetic disease that causes premature death and has a debilitating effect on people’s lives,” said Janet Maynard, M.D., deputy director of the Office of Rare Diseases, Pediatrics, Urologic and Reproductive Medicine in the FDA’s Center for Drug Evaluation and Research. “Today’s approval brings patients with Pompe disease another enzyme replacement therapy option for this rare disease. The FDA will continue to work with stakeholders to advance the development of additional new, effective and safe therapies for rare diseases, including Pompe disease.”

Nexviazyme, an enzyme replacement therapy, is an intravenous medication that helps reduce glycogen accumulation. The effectiveness of Nexviazyme for the treatment of Pompe disease was demonstrated in a study of 100 patients who were randomized to take Nexviazyme or another FDA-approved enzyme replacement therapy for Pompe disease. Treatment with Nexviazyme improved lung function similar to the improvement seen with the other therapy.

The most common side effects included headache, fatigue, diarrhea, nausea, joint pain (arthralgia), dizziness, muscle pain (myalgia), itching (pruritus), vomiting, difficulty breathing (dyspnea), skin redness (erythema), feeling of “pins and needles” (paresthesia) and skin welts (urticaria). Serious reactions included hypersensitivity reactions like anaphylaxis and infusion-associated reactions, including respiratory distress, chills and raised body temperature (pyrexia). Patients susceptible to fluid volume overload or with compromised cardiac or respiratory function may be at risk for serious acute cardiorespiratory failure.

The FDA granted this application Fast TrackPriority Review and Breakthrough Therapy designations. Nexviazyme also received an orphan drug designation, which provides incentives to assist and encourage the development of drugs for rare diseases. The FDA granted the approval of Nexviazyme to Genzyme Corporation.

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FDA grants priority review for avalglucosidase alfa, a potential new therapy for Pompe disease

  • The FDA decision date for avalglucosidase alfa, an investigational enzyme replacement therapy, is set for May 18, 2021
  • Regulatory submission based on positive data from two trials in patients with late-onset and infantile-onset Pompe disease, respectively
  • Avalglucosidase alfa received FDA Breakthrough Therapy and Fast Track designations for the treatment of people with Pompe Disease
  • Pompe disease, a rare degenerative muscle disorder, affects approximately 3,500 people in the U.S.
  • Milestone reinforces 20+year commitment to Pompe disease community


PARIS – November 18, 2020 – The U.S. Food and Drug Administration (FDA) has accepted for priority review the Biologics License Application (BLA) for avalglucosidase alfa for long-term enzyme replacement therapy for the treatment of patients with Pompe disease (acid α-glucosidase deficiency). The target action date for the FDA decision is May 18, 2021.

Avalglucosidase alfa is an investigational enzyme replacement therapy designed to improve the delivery of acid alpha-glucosidase (GAA) enzyme to muscle cells, and if approved, would offer a potential new standard of care for patients with Pompe disease.

In October, the European Medicines Agency accepted for review the Marketing Authorization Application for avalglucosidase alfa for long-term enzyme replacement therapy for the treatment of patients with Pompe disease. The Medicines and Healthcare Products Regulatory Agency in the UK has granted Promising Innovative Medicine designation for avalglucosidase alfa.

“The hallmarks of Pompe disease are the relentless and debilitating deterioration of the muscles, which causes decreased respiratory function and mobility,” said Karin Knobe, Head of Development for Rare Diseases and Rare Blood Disorders at Sanofi. “Avalglucosidase alfa is specifically designed to deliver more GAA enzyme into the lysosomes of the muscle cells.  We have been greatly encouraged by positive clinical trial results in patients with late-onset and infantile-onset Pompe disease.”

Pompe disease is a rare, degenerative muscle disorder that can impact an individual’s ability to move and breathe. It affects an estimated 3,500 people in the U.S. and can manifest at any age from infancy to late adulthood.i

The BLA is based on positive data from two trials:

  • Pivotal Phase 3, double-blind, global comparator-controlled trial (COMET), which evaluated the safety and efficacy of avalglucosidase alfa compared to alglucosidase alfa (standard of care) in patients with late-onset Pompe disease. Results from this trial were presented during a Sanofi-hosted virtual scientific session in June 2020 and in October 2020 at World Muscle Society and the American Association of Neuromuscular and Electrodiagnostic Medicine.
  • The Phase 2 (mini-COMET) trial evaluated the safety and exploratory efficacy of avalglucosidase alfa in patients with infantile-onset Pompe disease previously treated with alglucosidase alfa. Results from this trial were presented at the WORLDSymposium, in February 2020.

Delivery of GAA to Clear Glycogen

Pompe disease is caused by a genetic deficiency or dysfunction of the lysosomal enzyme GAA, which results in build-up of complex sugars (glycogen) in muscle cells throughout the body. The accumulation of glycogen leads to irreversible damage to the muscles, including respiratory muscles and the diaphragm muscle supporting lung function, and other skeletal muscles that affect mobility.

To reduce the glycogen accumulation caused by Pompe disease, the GAA enzyme must be delivered into the lysosomes within muscle cells. Research led by Sanofi has focused on ways to enhance the delivery of GAA into the lysosomes of muscle cells by targeting the mannose-6-phosphate (M6P) receptor that plays a key role in the transport of GAA.

Avalglucosidase alfa is designed with approximately 15-fold increase in M6P content, compared to standard of care alglucosidase alfa, and aims to help improve cellular enzyme uptake and enhance glycogen clearance in target tissues.ii The clinical relevance of this difference has not been confirmed.

Avalglucosidase alfa is currently under clinical investigation and its safety and efficacy have not been evaluated by any regulatory authority worldwide.

 

About Sanofi

 

Sanofi is dedicated to supporting people through their health challenges. We are a global biopharmaceutical company focused on human health. We prevent illness with vaccines, provide innovative treatments to fight pain and ease suffering. We stand by the few who suffer from rare diseases and the millions with long-term chronic conditions.

 

With more than 100,000 people in 100 countries, Sanofi is transforming scientific innovation into healthcare solutions around the globe.

 

Sanofi, Empowering Life

/////////Avalglucosidase alfa, FDA 2021,  Nexviazyme, APPROVALS 2021, PEPTIDE, Enzyme replacement therapy ,  Pompe disease, アバルグルコシダーゼアルファ (遺伝子組換え), Fast TrackPriority Review,  Breakthrough Therapy,  orphan drug designation, genzyme, sanofi


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DR ANTHONY CRASTO

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DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO Ph.D

DR ANTHONY MELVIN CRASTO, Born in Mumbai in 1964 and graduated from Mumbai University, Completed his Ph.D from ICT, 1991,Matunga, Mumbai, India, in Organic Chemistry, The thesis topic was Synthesis of Novel Pyrethroid Analogues, Currently he is working with GLENMARK LIFE SCIENCES LTD, Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 30 plus yrs, Prior to joining Glenmark, he has worked with major multinationals like Hoechst Marion Roussel, now Sanofi, Searle India Ltd, now RPG lifesciences, etc. He has worked with notable scientists like Dr K Nagarajan, Dr Ralph Stapel, Prof S Seshadri, Dr T.V. Radhakrishnan and Dr B. K. Kulkarni, etc, He did custom synthesis for major multinationals in his career like BASF, Novartis, Sanofi, etc., He has worked in Discovery, Natural products, Bulk drugs, Generics, Intermediates, Fine chemicals, Neutraceuticals, GMP, Scaleups, etc, he is now helping millions, has 9 million plus hits on Google on all Organic chemistry websites. His friends call him Open superstar worlddrugtracker. His New Drug Approvals, Green Chemistry International, All about drugs, Eurekamoments, Organic spectroscopy international, etc in organic chemistry are some most read blogs He has hands on experience in initiation and developing novel routes for drug molecules and implementation them on commercial scale over a 30 PLUS year tenure till date June 2021, Around 35 plus products in his career. He has good knowledge of IPM, GMP, Regulatory aspects, he has several International patents published worldwide . He has good proficiency in Technology transfer, Spectroscopy, Stereochemistry, Synthesis, Polymorphism etc., He suffered a paralytic stroke/ Acute Transverse mylitis in Dec 2007 and is 90 %Paralysed, He is bound to a wheelchair, this seems to have injected feul in him to help chemists all around the world, he is more active than before and is pushing boundaries, He has 9 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 90 Lakh plus views on dozen plus blogs, 233 countries, 7 continents, He makes himself available to all, contact him on +91 9323115463, email amcrasto@gmail.com, Twitter, @amcrasto , He lives and will die for his family, 90% paralysis cannot kill his soul., Notably he has 33 lakh plus views on New Drug Approvals Blog in 233 countries......https://newdrugapprovals.wordpress.com/ , He appreciates the help he gets from one and all, Friends, Family, Glenmark, Readers, Wellwishers, Doctors, Drug authorities, His Contacts, Physiotherapist, etc

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