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The era of blockbuster drugs was officially declared over several years ago by many pharmaceutical analysts and pundits. Nevertheless, as the old adage goes “it’s difficult to treat old dogs’ new tricks!” After all, the blockbuster drug model has been the major driver of pharmaceutical and biotechnology markets for close to 50 years. Consequently, big pharma and biotech companies haven’t truly abandoned the possibility of finding potential new blockbusters. And, it appears that the blockbuster heir apparent may be drugs to treat rare aka orphan disease indications. 

At first blush, this strategy may not make a lot of sense. This is because rare diseases afflict only small numbers of patients (at least in the US and other Western nations). However, what may be considered a rare disease in Europe or the US may actually be less rare in countries with large populations like China and India. Further, while current rare diseases patient populations may be small, the cost of the drugs developed to treat them is extremely high. In some instances, the annual cost per patient can exceed several hundred thousand dollars. If you do the math, it becomes apparent that developing rare disease treatments or so-called niche busters can actually be very big business. 

The rare diseases business model has been perfected by Genzyme and many big pharma companies are trying to emulate it. To that end, big pharma’s push into rare diseases continues to gather momentum. So far this year Sanofi-Aventis has made an $18.5bn move for Genzyme, while Pfizer and GlaxoSmithKline have both created rare disease business units.

According to Glaxo’s estimates, 7,000 rare diseases have been identified and collectively this affects 6-8% of the world’s population; in the US and Europe alone rare diseases affect 25 million people. In addition mortality rates are very high, often at a very young age, and less than 10% of these diseases are treated with approved drugs.

To date, over 7,000 rare diseases have been identified. Companies involved in the new rare diseases treatment race have whittled the list down to roughly 200-250 disorders that represent a clear path for clinical, regulatory and commercial success. The criteria used to select these indications include identifying rare disorders with: 1) a relatively high prevalence rate, 20 an early age of onset, 3) a large unmet medical need and 3) a known molecular target. The indications have been broadly classified into four distinct groups:  metabolic disorders, autoimmune/inflammation, central nervous system and blood disorders.

While Genzyme identified, developed and commercialized its rare diseases treatments, it is likely that big pharma companies like Pfizer, Glaxo, and Merck will either in-license potential new treatments or acquire companies with platform technologies or drugs in various stages of clinical development. For example, Merck’s acquisition of Glycofi several years ago has allowed the company to enter into the rare diseases and biosimilar markets.

One of the major problems with extant rare diseases treatment is their excessive and oppressive costs. One can only hope that the increased competition in the rare diseases space will help to lower drug prices and make them more affordable for patients who suffer from these devastating and life-threatening disorders.

For more insights in to the orphan drug disease market, check out an article that I wrote for Life Science Leader this month

Until next time...

Good Luck and Good Job Hunting!!!!!

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A rare or orphan disease is defined in the US as one that affects fewer than 200,000 at any given time. It is estimated that there are 6000 to 8000 rare diseases in the world today. Because the number of patients afflicted with orphan diseases is so small, drug companies have historically been reluctant to invest money to discover and develop new treatments for them. The dearth of treatments for rare diseases induced Congress to pass the Orphan Drug Act in 1983 which provided market exclusivity, tax breaks and incentives and regulatory help for companies to development new drugs for orphan disease indications.

While many current blockbuster drugs including recombinant human insulin, growth hormone and erythropoietin originally garnered regulatory approval after receiving orphan status in the late 1980s, most big pharma and biotechnology companies (except Genzyme) largely abandoned orphan drug development until recently. The renewed interest in orphan drug development has been primarily driven by the demise of big pharma’s blockbuster business model that began in the early 2000s. The search for new, non-blockbuster drugs and fresh markets is what induced Pfizer, the world’s largest pharmaceutical company, to recently inked a multimillion dollar deal with Protalix Biotherapeutics, a small biopharmaceutical company developing a new treatment for Gaucher disease—an orphan indication.

Because of renewed interest and the ever increasing need for new orphan drugs, the FDA’s Office of Orphan Products Development is offering an Orphan Drug Designation Workshop that will provide a unique opportunity for all potential drug sponsors—including biotechnology companies, pharmaceutical firms and academic institutions—to learn about the application process for orphan drug designation.

The National Organization for Rare Disorders (NORD) is a co-sponsor of the workshops, which will take place on February 25-26 at Keck Graduate Institute and August 3-4 at the University of Minnesota.

Participants are encouraged to bring specific product proposals for at least one candidate orphan drug that holds promise for the treatment of a rare disease. A significant portion of the workshop will be dedicated to preparing applications, including one-on-one guidance sessions with FDA staff members. FDA will keep product and disease information confidential.

Final applications can be submitted to the FDA at the close of each workshop. For information or to register:

FDA Workshop Brochure
Registration for the February Workshop

Finally, February 28^th is Rare Disease Day. The event is sponsored by the EURODIS a European advocacy group that promotes awareness and research for rare diseases. NORD and Discovery Health are also sponsoring the day.

Until next time....

Good Luck and Good Job Hunting!!!!!!!!!

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The National Institutes of Health (NIH) announced on Wednesday that it was creating a new program aimed at “finding treatments for some of the 6,800 rare diseases that collectively affect about 25 million Americans.” 

According to NIH officials, the NIH would work with researchers and patient advocacy groups to identify new molecular entities (NMEs) that represent potential treatments for rare disorders. Once identified, NMEs will be turned over to private companies for further development. Information about molecules that failed to make the cut for further development will be published in scientific and medical journals. The NIH stressed that the goal of the program is to work with the drug industry not compete with it to develop new treatments.

Because many rare diseases only affect a few hundred or a few thousand people, there are little financial incentives or profit motives for companies to develop treatments for them. To stimulate drug development for rare diseases, the US Congress passed The Orphan Drug Act (1983) that offers companies that develop drugs for diseases affecting fewer than 200,000 people tax incentives, financial support for clinical development and seven years of US market exclusivity, i.e. the company can sell the product without competition for seven years. Since its passage, the Orphan Drug Act has been a boon to many biotechnology companies, most notably Genzyme, a profitable biotechnology company whose business model is built almost exclusively on orphan drug development.

NIH’s entry into the orphan drug development arena ought to help speed discovery and development of potential new treatments for orphan indications. It will undoubtedly help to reduce some of the cost, time and risks typically associated will corporate drug discovery. Industry experts suggest that drug discovery can sometimes cost well over $10.0 million and take between two to four years to complete. However, the program is starting with only $24 million this year and is expected to receive the same level of funding each year until 2013. While this may limit the overall effectiveness of the program, it will likely bring government and the drug industry closer to forge new relationships with the common goal of discovering much needed new treatment for orphan indications.

Until next time...

Good Luck and Good Research!!!!!!!!

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