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Ocrelizumab is a humanized anti-CD20 monoclonal antibody. It targets mature B lymphocytes[1] and hence is an immunosuppressive drug candidate. It is under development by Hoffmann–La Roche‘s subsidiary Genentech, and Biogen Idec.

It had reached Phase III clinical trials for rheumatoid arthritis[2] and lupus erythematosus,[3]and Phase II for multiple sclerosis[4] and hematological cancer.[5]

In March 2010, Roche announced the suspension of clinical trials in rheumatoid arthritis and lupus erythematosus. This step followed excess deaths due to opportunistic infections. Development for multiple sclerosis continues.[6]

In October 2010 Roche announced 24 week results from the PhII study in relapse remittingMS. The drug demonstrated a statistically significant reduction in disease activity as measured by brain lesions (measured by MRI scans) and relapse rate compared to placebo. Both doses (200 mg & 600 mg) were well tolerated.Anti-B cell therapy with rituximab has been shown to be safe and beneficial for RA treatment.  Rituximab is approved and marketed for the treatment of RA in patients who have failed other therapies.   Ocrelizumab, a fully human monoclonal antibody against CD20, may have less immunogenicity and less complement activation than rituximab which, theoretically, may reduce the development of drug neutralizing antibodies and infusion reactions.  Here, Genovese at al report the results of a Phase I/II dose finding study of Ocrelizumab in RA patients who have failed other DMARDs (including prior TNF inhibitors).

  1.  K. John Morrow Jr (2008-06-15). “Methods for Maximizing Antibody Yields”Genetic Engineering & Biotechnology News (Mary Ann Liebert, Inc.). p. 36. Retrieved 2008-07-06. (Note: information included in this article only found in table present in print version of article.)
  2.  Kausar, F; Mustafa, K; Sweis, G; Sawaqed, R; Alawneh, K; Salloum, R; Badaracco, M; Niewold, TB et al. (2009). “Ocrelizumab: a step forward in the evolution of B-cell therapy”. Expert opinion on biological therapy 9 (7): 889–95. doi:10.1517/14712590903018837.PMID 19463076
  3.  http://www.clinicaltrials.gov/ct2/show/NCT00539838 A Study to Evaluate Two Doses of Ocrelizumab in Patients With Active Systemic Lupus Erythematosus (BEGIN)
  4.  http://www.clinicaltrials.gov/ct2/show/NCT00676715 A Study of the Efficacy and Safety of Ocrelizumab in Patients With Relapsing-Remitting Multiple Sclerosis.
  5.  Hutas, G (2008). “Ocrelizumab, a humanized monoclonal antibody against CD20 for inflammatory disorders and B-cell malignancies”.Current opinion in investigational drugs (London, England : 2000) 9 (11): 1206–15. PMID 18951300.
  6.  Katie Reid (2010-03-08). Update 2. Roche suspends arthritis treatment after deaths. Reuters. Retrieved 2010-03-08

5 Comments

  1. saminakhan2001 says:

    Reblogged this on MEDCHEMEGYPT.

  2. medchemnintabelle says:

    Reblogged this on MedCheminAustralia.

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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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