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Home » Phase3 drugs » PTC Therapeutics’ large-scale multinational trial of ataluren for nonsense-mutation Duchenne or Becker MD has opened its first site in Cincinnati, Ohio

PTC Therapeutics’ large-scale multinational trial of ataluren for nonsense-mutation Duchenne or Becker MD has opened its first site in Cincinnati, Ohio

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ATALUREN

A large-scale, multinational, phase 3 trial of the experimental drug ataluren has opened its first trial site, in Cincinnati, Ohio.

The trial is recruiting boys with Duchenne muscular dystrophy (DMD) or Becker muscular dystrophy (BMD) caused by anonsense mutation —  also known as a premature stop codon — in the dystrophin gene. This type of mutation causes cells to stop synthesizing a protein before the process is complete, resulting in a short, nonfunctional protein. Nonsense mutations are believed to cause DMD or BMD in approximately 10 to 15 percent of boys with these disorders.

Ataluren — sometimes referred to as a stop codon read-through drug — has the potential to overcome the effects of a nonsense mutation and allow functional dystrophin — the muscle protein that’s missing in Duchenne MD and deficient in Becker MD — to be produced.

The orally delivered drug is being developed by PTC Therapeutics, a South Plainfield, N.J., biotechnology company, to whichMDA gave a $1.5 million grant in 2005.

Ataluren, formerly known as PTC124, is a novel small-molecular agent designed to makeribosomes become less sensitive to, or possibly ignore premature stop codons. This may be particularly beneficial in genetic disorders where the mRNA contains a mutation causing premature stop codon or nonsense codon. However, it is not equally effective with every stop codon, working best on the sequence ‘UGA’.

PTC124 has been tested on healthy humans and humans carrying genetic disorderscaused by nonsense mutations,such as some people with cystic fibrosis andDuchenne muscular dystrophy. Clinical trials are proceeding for several genetic disorders, in the subset of affected people who have nonsense mutations (typically <10% of those with the disorder). PTC Therapeutics released preliminary results of its phase 2b clinical trial for Duchenne muscular dystrophy, with participants not showing a significant improvement in the six minute walk distance after the 48 weeks of the trial.However, phase 2 clinical trials were successful for cystic fibrosis in Israel, France and Belgium.Multicountry phase 3 clinical trials are currently in progress for cystic fibrosis in Europe and the USA.

PTC124 has been developed by PTC Therapeutics.


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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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