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Personalized Tumor Vaccine Hits Phase 2

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Bevacizumab

bevacizumab

str ref———-http://www.kidneycancerinstitute.com/Bevacizumab.html

Northwestern Medicine recently joined a landmark clinical trial to investigate if a vaccine made from a patient’s own brain tumor is effective in slowing tumor progression and extending survival. The randomized phase 2 trial will study how well giving the study vaccine with or without Avastin (bevacizumab) works in treating patients with recurrent glioblastoma multiforme (GBM).

http://www.dddmag.com/news/2013/08/personalized-tumor-vaccine-hits-phase-2?et_cid=3425506&et_rid=523035093&type=cta

 

Bevacizumab
(Avastin, Genentech Inc.- Year approved:2009)
Avastin (or bevacizumab to the scientific community) is a humanised monoclonal antibody that is directed against all biologically active forms of VEGF. Antibodies are molecules that are typically a normal part of the human immune system. An antibody is meant to bind to a very specific target which is then typically destroyed and removed by the body. Avastin is an antibody that binds VEGF and acts to block its action.
Bevacizumab was one of the first antiangiogenic agents to demonstrate activity against metastatic kidney cancer. Bevacizumab is administered intravenously every two weeks. On July 31, 2009, the FDA granted approval for the use of Avastin in combination with interferon-? for the treatment of patients with metastatic renal cell carcinoma. The approval was based on results published in the journal Lancet in 2007. In this double-blind phase III trial 649 patients with metastatic kidney cancer who had undergone nephrectomy, were randomized to either bevacizumab plus Interferon-? or placebo plus Interferon-? as a first-line treatment. Median progression-free survival of patients was significantly improved in those receiving the combination treatment including Bevacizumab and Interferon-? compared to the control group (10.2 vs 5.4 months). Response rates were also significantly improved in the Bevacizumab and Interferon-? groups (31% vs 13%). The most common severe (grade 3) toxicity was fatigue: 12% in the bevacizumab and IFN arm versus 8% in the control arm.

A second multicenter phase III trial which was performed in 2008 and which was conducted in the United States and Canada, was nearly identical in design with the exception that it lacked a placebo element and did not require prior nephrectomy. In this second study, the average progression-free survival was 8.5 months in patients receiving The combination of Bevacizumab and Interferon-? compared to 5.2 months for patients receiving Interferon-? therapy alone. The overall response rate was in favour of the combination group (25.5% vs 13.1%). However, both studies failed to show any significant difference regarding overall survival between the combination of Bevacizumab and Interferon-? versus Interferon-? alone (18.3 vs 17.4 months).

Bevacizumab (trade name AvastinGenentech/Roche) is an angiogenesis inhibitor, a drug that slows the growth of new blood vessels. It is licensed to treat various cancers, including colorectal, lung, breast (outside the USA), glioblastoma (USA only), kidney and ovarian.

Bevacizumab is a humanized monoclonal antibody that inhibits vascular endothelial growth factor A (VEGF-A). VEGF-A is a chemical signal that stimulates angiogenesis in a variety of diseases, especially in cancer. Bevacizumab was the first clinically availableangiogenesis inhibitor in the United States.

Bevacizumab was approved by the U.S. Food and Drug Administration (FDA) for certainmetastatic cancers. It received its first approval in 2004, for combination use with standardchemotherapy for metastatic colon cancer.It has since been approved for use in certain lung cancers, renal cancers, and glioblastoma multiforme of the brain.

At one point bevacizumab was approved for breast cancer by the FDA, but the approval was revoked on 18 November 2011. The approval for breast cancer was revoked because, although there was evidence that it slowed progression of metastatic breast cancer, there was no evidence that it extended life or improved quality of life, and it caused adverse effects including severe high blood pressure and hemorrhaging. In 2008, the FDA gave bevacizumab provisional approval for metastatic breast cancer, subject to further studies. The FDA’s advisory panel had recommended against approval. In July 2010, after new studies failed to show a significant benefit, the FDA’s advisory panel recommended against the indication for advanced breast cancer. Genentech requested a hearing, which was granted in June 2011. The FDA ruled to withdraw the breast cancer indication in November 2011. FDA approval is required for Genentech to market a drug for that indication. Doctors may sometimes prescribe it for that indication, although insurance companies are less likely to pay for it. The drug remains approved for breast cancer use in other countries including Australia.

Clinical trials are underway for many other indications including ovarian cancer, pediatric osteosarcoma, and certain non-malignant eye diseases. In the curative setting (adjuvant therapy), clinical studies are underway in breast cancer and lung cancer.


6 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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