Tuesday 29 March 2011

Recent Drug Development

In recent times, there have been reports of new drug targets being identified, for diseases that seemed to have no cure. Diseases that were life threatening, with no treatment available, seem defeat-able now.
Recent article in Drug Discovery and Development, highlighted the work of a Howard Hughes Medical Institute investigator, Leonard Zon. The investigator has identified new modes of therapy for an aggressive cancer, Melanoma, with Zebrafish as a model. Melanoma is the most dangerous type of skin cancer, that is known to consistently elude treatment. Various modes of treatment have been used to cure it, but like in most treatment, there is enormous amount of side effects. After intensive study, Zon and his team identified that a rheumatoid arthritis drug, Leflunomide, was able to hinder the growth of the cancer causing cells by changing the cell lineage. Zon’s group combined a BRAF inhibitor (a drug in late clinical trial stages for metastatic melanoma). Combining BRAF inhibitor, a drug specifically targeting oncogenic mutation, with Leflunomide led to marked decrease in melanoma in mice. This combination may enter human clinical trial within a year, advantages being usage of lower doses and reduced risk of side effects and resistance.
Another recent development is the identification of a target protein for Tuberculosis vaccine by scientists at Imperial College London. As we all know, TB is another dangerous disease that is difficult to cure. Approximately about 2 million people die each year due to this bacterial disease. The current vaccine, BCG vaccine, is not very effective and hence, it is essential to find a more effective cure to this. The result of the study conducted by the scientist, which is yet to be published, reveals that the protein EspC, which is secreted by the bacterium. Its high specificity to the organism and the strong immune response it provokes, makes it a promising target for a new TB vaccine. This gives hope for the development of a stronger and broader immunity against TB, than BCG. This protein is an addition to the 2 other targets that have been identified for development of a new TB vaccine.
The results of the intensive research for identification of new therapy and drugs for such dangerous disease looks very promising, but the question is when do we get to see the results. The development of these into final products, that can be used for treatment is slim and the timeline is enormous. This doesn't mean we can or should stop the research. It only means that we need to identify ways, where these developments can be converted into fruitful results ina faster manner. With technological developments, it has become easier for us to minimise the failure at the clinical trials stages of drug development. It is necessary that we utilise these technologies and make higher percentage research productive.

Sunday 13 March 2011

Patent Laws - Boon or Bane?

Are the Patent Laws a boon or a hindrance to current development and innovation? In the countries where patent laws apply, it takes a long time to process a patent application. The delay in processing leads to backlog in applications. Is this increased wait time holding back innovations?
The main reason for the delay in processing the application is that when the original patent laws were written, in the late 19th century, not many large scale innovation were seen in the industry.  But, does this mean, the industry was better off without the patent laws. People the industry feel that though the patent system is not perfect, it is definitely better than not having one. 
A snippet from a Guardian article - Speaking at the London School of Economics Mr. Steve Ballmer said  - "Is the patent system perfect, or the world in which we live? Answer is of course not, the patent law was crafted in a day and age that preceded modern IT systems" referring to the 2 biggest sectors that use patent laws. The pharmaceutical and IT industry, which are the 2 biggest sectors that use patents have shown tremendously growth in recent times. The innovation in these sectors demand the need for quick processing of patents. This calls for a reform in patent laws. Patent laws in US and Europe need to be rewritten to get in line with the latest technology developments. Countries like India and China need to get stringent patent laws in place, to encourage blooming start-ups. 
Recent article dated 28th February 2011, in Drug Discovery and Development, speaks about the reform in Patent laws. The long overdue reform in the law has finally shown a promising outcome. The Senate is taking up the Patent Reform Act, that transforms the 1952 Patent law radically, bringing the law matchable to current technology. With such reforms and proper changes to the patent laws, making it relevant to current development, the patent laws will continue to remain a boon to innovation and further development.