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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 AFRICURE PHARMA, ROW2TECH, NIPER-G, Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Govt. of India as ADVISOR, earlier assignment was with GLENMARK LIFE SCIENCES LTD, as CONSUlTANT, Retired from GLENMARK in Jan2022 Research Centre as Principal Scientist, Process Research (bulk actives) at Mahape, Navi Mumbai, India. Total Industry exp 32 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, 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 32 PLUS year tenure till date Feb 2023, 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 100 million plus hits on Google, 2.5 lakh plus connections on all networking sites, 100 Lakh plus views on dozen plus blogs, 227 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 38 lakh plus views on New Drug Approvals Blog in 227 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 He has total of 32 International and Indian awards

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USFDA Approves first systemic antisense drug Kynamro (mipomersen sodium) Injection for treatment of Homozygous Familial Hyperholesterolemia

February 2, 2013 12:40 pm / Leave a comment


G*-C*-C*-U*-C*-dA-dG-dT-dC-dT-dG-dmC-dT-dT-dmC-G*-C*-A*-C*-C* [d= 2′-deoxy, * = 2′-O-(2-methoxyethyl)]

with 3’→5′ phosphorothioate linkages

cas no  629167-92-6

USFDA Approves first systemic antisense drug Kynamro (mipomersen sodium) Injection for treatment of Homozygous Familial Hyperholesterolemia

30 January 2013

Sanofi and its subsidiary Genzyme, and Isis Pharmaceuticals Inc today announced that the U.S. Food and Drug Administration (FDA) has approved its New Drug Application (NDA) for KYNAMRO(mipomersen sodium) injection. KYNAMRO, given as a 200 mg weekly subcutaneous injection, has been approved as an adjunct to lipid-lowering medications and diet to reduce low density lipoprotein-cholesterol (LDL-C), apolipoprotein B (Apo B), total cholesterol (TC), and non-high density lipoprotein-cholesterol (non HDL-C) in patients with homozygous familial hypercholesterolemia.

In the United States, HoFH, an orphan indication, occurs in approximately one in one million individuals. For those with HoFH, heart attacks and death often occur before age 30.

“KYNAMRO is the first systemic antisense drug to reach the market and is the culmination of two decades of work to create a new, more efficient drug technology platform. As evidenced by our robust pipeline, our antisense drug discovery technology is applicable to many different diseases, including the treatment of a chronic and rare disease, like HoFH,” said Stanley T. Crooke, M.D., Ph.D., Chairman of the Board and CEO of Isis. “We look forward to continuing to work with Genzyme toward a successful commercial launch of KYNAMRO and global expansion into other markets.”
The FDA approval for KYNAMRO is supported by the largest clinical trial conducted to-date in the HoFH patient population. The randomized, double-blind, placebo-controlled, multi-center trial enrolled 51 patients age 12 to 53 years, including 7 patients age 12 to 16 years, who were maintaining a regimen of maximally-tolerated lipid lowering medications. Treatment with KYNAMRO further reduced LDL-C levels by an average of 113 mg/dL, or 25%, from a treated baseline of 439 mg/dL, and further reduced all measured endpoints for atherogenic particles. In March 2010, these data were published in The Lancet by Professor Raal, University of the Witwatersrand in South Africa.
Safety data for KYNAMRO are based on pooled results from four Phase 3, randomized, double-blind, placebo-controlled trials with a total of 390 patients of which 261 patients received a weekly subcutaneous injection of 200 mg of KYNAMRO and 129 patients received placebo for a median treatment duration of 25 weeks. Eighteen percent of patients on KYNAMRO and 2% of patients on The FDA approval for KYNAMRO is supported by the largest clinical trial conducted to-date in the HoFH patient population.
KYNAMRO is an antisense drug is metabolized without affecting the CYP450 pathways used in commonly prescribed drugs, and thus has potential for no drug-drug interactions. No clinically relevant pharmacokinetic interactions were reported between KYNAMRO and warfarin, or between KYNAMRO and simvastatin or ezetimibe.

Mipomersen (previously ISIS 301012, trade name Kynamro) is a cholesterol-reducing drug candidate. It is an antisense therapeutic that targets the messenger RNA forapolipoprotein B.[1][2][3] It is administered as a weekly injection.Structure

The compound is a ‘second-generation’ antisense oligonucleotide; the nucleotides are linked with phosphorothioate linkages rather than the phosphodiester linkages of RNA andDNA, and the sugar parts are deoxyribose in the middle part of the molecule and 2′-O-methoxyethyl-modified ribose at the two ends. These modifications make the drug resistant to degradation by nucleases, allowing it to be administered weekly. The drug accumulates in the liver, which is convenient since apolipoprotein B predominantly acts there.

The complete sequence is

G*-C*-C*-U*-C*-dA-dG-dT-dC-dT-dG-dmC-dT-dT-dmC-G*-C*-A*-C*-C* [d= 2′-deoxy, * = 2′-O-(2-methoxyethyl)]

with 3’→5′ phosphorothioate linkages.[4]

  1. Merki E, Graham MJ, Mullick AE, et al. (August 2008). “Antisense oligonucleotide directed to human apolipoprotein B-100 reduces lipoprotein(a) levels and oxidized phospholipids on human apolipoprotein B-100 particles in lipoprotein(a) transgenic mice”.Circulation 118 (7): 743–53. doi:10.1161/CIRCULATIONAHA.108.786822. PMID 18663084.
  2. El Harchaoui K, Akdim F, Stroes ES, Trip MD, Kastelein JJ (2008). “Current and future pharmacologic options for the management of patients unable to achieve low-density lipoprotein-cholesterol goals with statins”. Am J Cardiovasc Drugs 8 (4): 233–42.doi:10.2165/00129784-200808040-00003. PMID 18690757.
  3. Athyros VG, Kakafika AI, Tziomalos K, Karagiannis A, Mikhailidis DP (July 2008). “Antisense technology for the prevention or the treatment of cardiovascular disease: the next blockbuster?”. Expert Opin Investig Drugs 17 (7): 969–72.doi:10.1517/13543784.17.7.969. PMID 18549334.
  4. Statement on a nonproprietary name adopted by the USAN council: Mipomersen sodium