Biotech Strategy Blog

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Posts tagged ‘denosumab’

Alpharadin Prostate Cancer data will be “Practice Changing” #EMCC2011

By on September 23, 2011

Radium-223 (Alpharadin) will be “Practice Changing” is how Michael Baumann, President of the European CanCer Organisation (ECCO) and Jean-Charles Soria, Co-Scientific chair of the 2011 Stockholm Multidisciplinary Cancer Congress described the prostate cancer clinical trial data to be presented in the Presidential (plenary) session on Saturday September 24, 2011.

Alpharadin is the first bone targeted therapy to show an overall survival (OS) advantage in metastatic castration-resistant prostate cancer (mCRPC). To date, none of the other therapies targeting bone in prostate cancer such as zoledronic acid (Zometa), denosumab (Xgeva) or cabozantinib (XL184) have shown any overall survival benefit.

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Alpharadin on fast track to FDA prostate cancer approval in 2012

By on August 25, 2011

Algeta Alpharadin 223 147x300 Alpharadin on fast track to FDA prostate cancer approval in 2012

Earlier this week Bayer & Algeta announced that Alpharadin™ (radium-223 chloride) had received Fast Track designation from the FDA for the treatment of castration-resistant prostate cancer (CRPC).

Bayer signed an agreement with Norwegian based Algeta in 2009 for the global commercial rights to Alpharadin™, with Algeta retaining a 50/50 co-promotion and profit-sharing in the United States.

According to the Algeta August 23, 2011 press release, in light of the FDA fast track designation they plan on filing for United States approval in mid-2012, ahead of previous expectations.

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Prostate Cancer Market to expand from $1B to $5B by 2015

By on June 2, 2011

Launch of Zytiga at AUA 2011 300x225 Prostate Cancer Market to expand from $1B to $5B by 2015The market for prostate cancer therapies is set to expand from $1 billion currently to $5 billion by 2015, according to analysts reported by this morning’s Washington Post/Bloomberg news.  This is perhaps no surprise given the recent approval of abiraterone acetate (Zytiga®) from Ortho Biotech (JNJ).

New clinical data on prostate cancer clinical trial results is expected at the 2011 annual meeting of the American Society of Clinical Oncology (ASCO) in Chicago this weekend from many of the prostate cancer therapies in development such as MDV3100, TAK700, ARN-509, cabozantinib (XL184), ipilimumab, custirsen (OGX-11), BPX-101, alpharadin, denosumab (Xgeva®) and Prostvac-VF.

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American Urological Association Annual Meeting 2011 Satellite Symposia

By on May 12, 2011

American Urological Association Banner American Urological Association Annual Meeting 2011 Satellite SymposiaI am off to Washington DC tomorrow for the annual meeting of the American Urological Association (AUA).

If you are not able to attend, then you can follow the Twitter coverage on Pharma Strategy Blog where Sally Church (@MaverickNY) will be aggregating the tweets.  The conference hashtag is #AUA2011.  I also expect to be live-tweeting from the conference.

follow me b American Urological Association Annual Meeting 2011 Satellite Symposia

Like many medical conferences in the United States, the AUA meeting kicks off with independent continuing medical education (CME) satellite symposia on topics of interest.

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Targeting Sclerostin in Osteoporosis

By on March 10, 2011

Continuing my previous post about emerging drugs for osteoporosis, one of the new classes in development are those that target sclerostin.

Sclerostin is a protein produced by osteocytes within bone that inhibits bone formation. It is thought to pass through the surface of bone where it acts on osteoblasts (cells responsible for bone formation).  There it binds to low-density lipoprotein receptors and inhibits the Wnt/beta-catenin signaling involved in bone mass regulation.

There is some uncertainty in the scientific literature as to the precise method by which sclerostin acts on bone. However, the Wnt/beta-catenin osteocytic signaling does play a role in bone homeostasis.

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Merck’s cathepsin-K inhibitor odanacatib in osteoporosis

By on February 11, 2011

Following on from my recent blog post on emerging treatments in osteoporosis, one of new approaches in development is the inhibition of cathepsin-K.

Chemical Structure of odanacatib MK 0822. Image Copyright Merck 300x148 Mercks cathepsin K inhibitor odanacatib in osteoporosis

Cathepsin-K inhibition is a novel approach to osteoporosis treatment and Merck’s odanacatib is leading the way in this new class of drugs. It is currently in phase III development, with 16,716 subjects enrolled (NCT00529373).

Cathepsins are lysosomal proteases. Cathepsin K (Cat-K) is a cysteine protease that plays an important role in the function of osteoclasts (the cells responsible for bone destruction). Cat-K acts to degrade bone collagen. By inhibiting it, the removal of bone matrix proteins by osteoclasts is reduced.

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Emerging drugs in development for Osteoporosis

By on February 8, 2011

The February 2011 issue of Nature Reviews Drug Discovery has an interesting review by Kawai, Mödder and colleagues on “Emerging therapeutic opportunities for skeletal restoration.”

Some of the new products they discuss include:

  1. Parathyroid Hormone-Related protein (PTHRP)
  2. Cathepsin K Inhibitors: odanacatib
  3. Wnt-ß-catenin pathway targets: sclerostin, DKK1 antagonists, lithium.

The market opportunity for osteoporosis remains significant, affecting 44 million people in the United States over the age of 50, resulting in healthcare costs in excess of $15 billion a year; numbers that are set to increase with the ageing population of baby boomers.  The low bone mineral density (BMD) associated with osteoporosis results in increased risk of hip fracture, from which the mortality rate is 20-30% in the first year.

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Can teriparatide be used to treat Osteonecrosis of the Jaw?

By on December 20, 2010

This week’s New England Journal of Medicine (NEJM) has an interesting paper (Teriparatide and Osseous Regeneration in the Oral Cavity) that caught my attention on the use of teriparatide (Eli Lilly, Forteo®) in patients with chronic peridontitis, a disease that affects one in five American adults.  The total market for periodontitis services and products is estimated to grow at 6.4% to 2016, when it will be worth $1,937 m.

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