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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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FDA approves first drug Spinraza (nusinersen), for spinal muscular atrophy


New FDA Logo Blue

Image result for nusinersen

FDA approves first drug for spinal muscular atrophy

New therapy addresses unmet medical need for rare disease

The U.S. Food and Drug Administration today approved Spinraza (nusinersen), the first drug approved to treat children and adults with spinal muscular atrophy (SMA), a rare and often fatal genetic disease affecting muscle strength and movement. Spinraza is an injection administered into the fluid surrounding the spinal cord.

Read more.

For Immediate Release

December 23, 2016

The U.S. Food and Drug Administration today approved Spinraza (nusinersen), the first drug approved to treat children and adults with spinal muscular atrophy (SMA), a rare and often fatal genetic disease affecting muscle strength and movement. Spinraza is an injection administered into the fluid surrounding the spinal cord.

“There has been a long-standing need for a treatment for spinal muscular atrophy, the most common genetic cause of death in infants, and a disease that can affect people at any stage of life,” said Billy Dunn, M.D., director of the Division of Neurology Products in the FDA’s Center for Drug Evaluation and Research. “As shown by our suggestion to the sponsor to analyze the results of the study earlier than planned, the FDA is committed to assisting with the development and approval of safe and effective drugs for rare diseases and we worked hard to review this application quickly; we could not be more pleased to have the first approved treatment for this debilitating disease.”

SMA is a hereditary disease that causes weakness and muscle wasting because of the loss of lower motor neurons controlling movement. There is wide variability in age of onset, symptoms and rate of progression. Spinraza is approved for use across the range of spinal muscular atrophy patients.

The FDA worked closely with the sponsor during development to help design and implement the analysis upon which this approval was based. The efficacy of Spinraza was demonstrated in a clinical trial in 121 patients with infantile-onset SMA who were diagnosed before 6 months of age and who were less than 7 months old at the time of their first dose. Patients were randomized to receive an injection of Spinraza, into the fluid surrounding the spinal cord, or undergo a mock procedure without drug injection (a skin prick). Twice the number of patients received Spinraza compared to those who underwent the mock procedure. The trial assessed the percentage of patients with improvement in motor milestones, such as head control, sitting, ability to kick in supine position, rolling, crawling, standing and walking.

The FDA asked the sponsor to conduct an interim analysis as a way to evaluate the study results as early as possible; 82 of 121 patients were eligible for this analysis. Forty percent of patients treated with Spinraza achieved improvement in motor milestones as defined in the study, whereas none of the control patients did.

Additional open-label uncontrolled clinical studies were conducted in symptomatic patients who ranged in age from 30 days to 15 years at the time of the first dose, and in presymptomatic patients who ranged in age from 8 days to 42 days at the time of first dose. These studies lacked control groups and therefore were more difficult to interpret than the controlled study, but the findings appeared generally supportive of the clinical efficacy demonstrated in the controlled clinical trial in infantile-onset patients.

The most common side effects found in participants in the clinical trials on Spinraza were upper respiratory infection, lower respiratory infection and constipation. Warnings and precautions include low blood platelet count and toxicity to the kidneys (renal toxicity). Toxicity in the nervous system (neurotoxicity) was observed in animal studies.

The FDA granted this application fast track designation and priority review. The drug also received orphan drug designation, which provides incentives to assist and encourage the development of drugs for rare diseases.

The sponsor is receiving a rare pediatric disease priority review voucher under a program intended to encourage development of new drugs and biologics for the prevention and treatment of rare pediatric diseases. A voucher can be redeemed by a sponsor at a later date to receive priority review of a subsequent marketing application for a different product. This is the eighth rare pediatric disease priority review voucher issued by the FDA since the program began.

Spinraza is marketed by Biogen of Cambridge, Massachusetts and was developed by Ionis Pharmaceuticals of Carlsbad, California.

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CAS1258984-36-9

MFC234H340N61O128P17S17

ISIS-396443, ISIS-SMNRx, IONIS-SMNRx

RNA, (2′-0-(2-methoxyethyi))(p-thio)(m5u-c-a-c-m5u-m5u-m5u-c-a-m5ua- a-m5 u-g-c-m5u-g-g)

RNA, (2′-0-(2-METHOXYETHYI))(P-THIO)(M5U-C-A-C-M5U-M5U-M5U-C-A-M5UA- A-M5 U-G-C-M5U-G-G)

All-P-ambo-2′-O-(2-methoxyethyl)-5-methyl-P-thiouridylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-5-methyl-P-thiocytidylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-P-thioadenylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-5-methyl-P-thiocytidylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-5-methyl-P-thiouridylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-5-methyl-P-thiouridylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-5-methyl-P-thiouridylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-5-methyl-P-thiocytidylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-P-thioadenylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-5-methyl-P-thiouridylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-P-thioadenylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-P-thioadenylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-5-methyl-P-thiouridylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-P-thioguanylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-5-methyl-P-thiocytidylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-5-methyl-P-thiouridylyl-(3’¨5′)-2′-O-(2-methoxyethyl)-P-thioguanylyl-(3’¨5′)-2′-O-(2-methoxyethyl)guanosine

ISIS-SMNRx is a drug that is designed to modulate the splicing of the SMN2 gene to significantly increase the production of functional SMN protein. The US regulatory agency has granted Orphan Drug Designation with Fast Track Status to nusinersen for the treatment of patients with SMA. The European regulatory agency has granted Orphan Drug Designation to nusinersen for the treatment of patients with SMA.

Image result for nusinersen

Nusinersen (formerly, IONIS-SMNRx, ISIS-SMNRx), intended to be marketed as Spinraza,[1] is an investigational drug for spinal muscular atrophy developed by Ionis Pharmaceuticals and Biogen with financial support from SMA Foundation and Cure SMA. It is a proprietary antisense oligonucleotide that modulates alternate splicing of the SMN2 gene, functionally converting it into SMN1 gene.

The drug is administered directly to the central nervous system using intrathecal injection once every 3–4 months.

Nusinersen has orphan drug designation in the United States and the European Union.[2]

In August 2016, a phase III trial in type 1 SMA patients was ended early due to positive efficacy data, with Biogen deciding to file for regulatory approval for the drug.[3]Consequently, the company submitted a New Drug Application to the FDA in September 2016[4] and a marketing authorisation application to the European Medicines Agency, under the centralised procedure,[5] in the following month. The company also announced an expanded access programme of nusinersen in type 1 SMA in selected countries.

In November 2016, a phase III clinical trial in type 2 SMA patients was halted after an interim analysis indicated the drug’s efficacy also in this SMA type.[6]

Image result for nusinersen

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References

P.S. : The views expressed are my personal and in no-way suggest the views of the professional body or the company that I represent.

//////////spinraza, nusinersen, fda 2016, Biogen, Cambridge, Massachusetts,  Ionis Pharmaceuticals of Carlsbad, California. spinal muscular atrophy, ISIS-396443, ISIS-SMNRx, IONIS-SMNRx, 1258984-36-9

FDA approves first recombinant von Willebrand factor to treat bleeding episodes


12/08/2015 02:44
The U.S. Food and Drug Administration today approved Vonvendi, von Willebrand factor (Recombinant), for use in adults 18 years of age and older who have von Willebrand disease (VWD). Vonvendi is the first FDA-approved recombinant von Willebrand factor, and is approved for the on-demand (as needed) treatment and control of bleeding episodes in adults diagnosed with VWD.
Company Baxalta Inc.
Description Recombinant human von Willebrand factor (vWF)
Molecular Target von Willebrand factor (vWF)
Mechanism of Action
Therapeutic Modality Biologic: Protein
Latest Stage of Development Registration
Standard Indication Bleeding
Indication Details Treat and prevent bleeding episodes in von Willebrand disease (vWD) patients; Treat von Willebrand disease (vWD)
Regulatory Designation U.S. – Orphan Drug (Treat and prevent bleeding episodes in von Willebrand disease (vWD) patients);
EU – Orphan Drug (Treat and prevent bleeding episodes in von Willebrand disease (vWD) patients);
Japan – Orphan Drug (Treat and prevent bleeding episodes in von Willebrand disease (vWD) patients)

December 8, 2015

Release

The U.S. Food and Drug Administration today approved Vonvendi, von Willebrand factor (Recombinant), for use in adults 18 years of age and older who have von Willebrand disease (VWD). Vonvendi is the first FDA-approved recombinant von Willebrand factor, and is approved for the on-demand (as needed) treatment and control of bleeding episodes in adults diagnosed with VWD.

VWD is the most common inherited bleeding disorder, affecting approximately 1 percent of the U.S. population. Men and women are equally affected by VWD, which is caused by a deficiency or defect in von Willebrand factor, a protein that is critical for normal blood clotting. Patients with VWD can develop severe bleeding from the nose, gums, and intestines, as well as into muscles and joints. Women with VWD may have heavy menstrual periods lasting longer than average and may experience excessive bleeding after childbirth.

“Patients with heritable bleeding disorders should meet with their health care provider to discuss appropriate measures to reduce blood loss,” said Karen Midthun, M.D., director of the FDA’s Center for Biologics Evaluation and Research. “The approval of Vonvendi provides an additional therapeutic option for the treatment of bleeding episodes in patients with von Willebrand disease.”

The safety and efficacy of Vonvendi were evaluated in two clinical trials of 69 adult participants with VWD. These trials demonstrated that Vonvendi was safe and effective for the on-demand treatment and control of bleeding episodes from a variety of different sites in the body. No safety concerns were identified in the trials. The most common adverse reaction observed was generalized pruritus (itching).

The FDA granted Vonvendi orphan product designation for these uses. Orphan product designation is given to drugs intended to treat rare diseases in order to promote their development.

Vonvendi is manufactured by Baxalta U.S., Inc., based in Westlake Village, California.

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