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ALIROCUMAB

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ALIROCUMAB

SAR236553 (REGN727)

http://www.ama-assn.org/resources/doc/usan/alirocumab.pdf

Immunoglobulin G1, anti-(human neural apoptosis-regulated proteinase 1) (human REGN727 heavy chain), disulfide with human REGN727 κ-chain, dimer

Immunoglobulin G1, anti-(human proprotein convertase subtilisin/kexin type 9
(EC=3.4.21.-, neural apoptosis-regulated convertase 1, proprotein convertase 9,
subtilisin/kexin-like protease PC9)); human monoclonal REGN727 des-448-
lysine(CH3-K107)-1 heavy chain (221-220′)-disulfide with human monoclonal
REGN727  light chain dimer (227-227”:230-230”)-bisdisulfide

Clinical Trials for Compound

Number of clinical trials registered at clinicaltrials.gov 30

Biological Sequence

Description Sequence
Alirocumab heavy chain EVQLVESGGGLVQPGGSLRLSCAASGFTFNNYAMNWVRQAPGKGLDWVSTISGSGGTTNY ADSVKGRFIISRDSSKHTLYLQMNSLRAEDTAVYYCAKDSNWGNFDLWGRGTLVTVSSAS TKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGL YSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTCPPCPAPELLGGPS VFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNST YRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELT KNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQ GNVFSCSVMHEALHNHYTQKSLSLSPG
Alirocumab light chain DIVMTQSPDSLAVSLGERATINCKSSQSVLYRSNNRNFLGWYQQKPGQPPNLLIYWASTR ESGVPDRFSGSGSGTDFTLTISSLQAEDVAVYYCQQYYTTPYTFGQGTKLEIKRTVAAPS VFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYS LSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC

1245916-14-6 CAS

C6472H9996N1736O2032S42

Alirocumab is a human monoclonal antibody designed for the treatment of hypercholesterolemia.[1]

This drug was discovered by Regeneron Pharmaceuticals and is being co-developed by Regeron and Sanofi.

When the results from Phase II trials of Sanofi and Regeneron’s proprotein convertase subtilisin kexin 9 (PCSK9) inhibitor alirocumab were presented in March, they stunned even the company representatives working on the trials. “I’m still amazed by the reduction in low-density lipoprotein cholesterol (LDL-C) that we saw with our drug,” says Bill Sasiela, vice president of cardiovascular and metabolic research at Regeneron. The monoclonal antibody (mAb) reduced LDL-C levels by up to 73% in three mid-stage trials, irrespective of baseline LDL-C levels or background treatment, offering hope for millions of patients who can’t hit the recommended cholesterol targets with statins — the standard therapies for lowering LDL-C levels in patients with cardiovascular disease. Spurred on by these results, Sanofi and Regeneron geared up into Phase III trials of the first-in-class alirocumab (also known as REGN727 and SAR236553) over the summer, and initiated the latest and largest trial — an 18,000-patient outcomes study

It is a Proprotein convertase subtilisin/kexin type 9, (also known as PCSK9) inhibitor . Phase III trials showed a 47% reduction in LDL-C. There was a high rate of adverse events with 69% experiencing side effects (most common problem was infection).

About PCSK9 PCSK9 is known to be a determinant of circulating LDL levels, as it binds to LDL receptors resulting in their degradation so that fewer are available on liver cells to remove excess LDL-cholesterol from the blood. Moreover, traditional LDL-lowering therapies such as statins actually stimulate the production of PCSK9, which limits their own ability to lower LDL-cholesterol. Blocking the PCSK9 pathway is therefore a potentially novel mechanism for lowering LDL-cholesterol.

Alirocumab is an investigational, fully-human monoclonal antibody that targets and blocks PCSK9. It is administered via subcutaneous injection. By inhibiting PCSK9, a determinant of circulating LDL-C levels in the blood, alirocumab has been shown in pre-clinical studies to increase the number of LDL receptors on hepatocytes, thereby lowering LDL-C.

The investigational agent described above is currently under clinical development and its safety and efficacy have not been fully evaluated by any regulatory authority

References

  1.  Statement On A Nonproprietary Name Adopted By The USAN Council – AlirocumabAmerican Medical Association.

PARIS and TARRYTOWN, N.Y., Oct. 16, 2013 /PRNewswire via COMTEX/ — Sanofi and Regeneron Pharmaceuticals, Inc. REGN -1.73% today announced that the Phase 3 ODYSSEY MONO trial with alirocumab, an investigational monoclonal antibody targeting PCSK9 (proprotein convertase subtilisin/kexin type 9), met its primary efficacy endpoint. The mean low-density lipoprotein-cholesterol (LDL-C, or “bad” cholesterol) reduction from baseline to week 24, the primary efficacy endpoint of the study, was significantly greater in patients randomized to alirocumab, as compared to patients randomized to ezetimibe (47.2% vs. 15.6%, p<0.0001). In the trial, which employed a dose increase (up-titration) for patients who did not achieve an LDL-C level of 70 milligrams/deciliter (mg/dL), the majority of patients remained on the initial low dose of alirocumab of 75 milligrams (mg).  read at

http://www.marketwatch.com/story/sanofi-and-regeneron-report-positive-top-line-results-with-alirocumab-from-first-phase-3-study-of-a-pcsk9-inhibitor-for-ldl-cholesterol-reduction-2013-10-16?reflink=MW_news_stmp

Pipeline of selected PCSK9 inhibitors

Drug name Companies Modality Clinical phase
Alirocumab (also known as REGN727 and SAR236553) Regeneron/Sanofi Monoclonal antibody III
AMG145 Amgen Monoclonal antibody II
LGT209 Novartis Monoclonal antibody II
RG7652 Roche/Genentech Monoclonal antibody II
RN316 Pfizer Monoclonal antibody II
BMS-962476 Bristol-Myers Squibb Adnectin I
ALN-PCS Alnylam RNA interference I
ISIS-405879/BMS-844421 Isis/Bristol-Myers Squibb Antisense Discontinued
PCSK9, proprotein convertase subtilisin kexin 9.

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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 PHARMACEUTICALS 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 year tenure till date Dec 2017, 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, 50 Lakh plus views on dozen plus blogs, 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 19 lakh plus views on New Drug Approvals Blog in 216 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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