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Medical Technology  Features  Story
Mixing protein engineering, chemistry for new drugs
Narayan Kulkarni

Dr KO Chung Lin, CEO, PharmaEssentia Corporation, TaiwanAlmost a decade ago, when Dr Ko-Chung Lin was working with Biogen as head of drug discovery in Boston, a few high ranking government officials from Taiwan visited the city. He had the chance to host them and arrange meetings with the CEOs and senior management of many biotech companies. At the end they asked Dr Lin if he was interested in starting a biotech company back home in Taiwan? It was a tough call for Dr Lin to take, after staying in the US for over 20 years. However, he decided to start a biotech company in Taiwan. PharmaEssentia came into existence in September 2003.

The government promised investments in the company from, ‘The Development Fund,’ which has also funded Taiwan Semiconductor Manufacturing Company (TSMC). TSMC is the largest chip producer in the world and also the world’s largest dedicated independent semiconductor foundry, with high-ranking scientists and people from Silicon Valley working for it.

The company  that started with four experienced scientists from the US, now employs about 30 researchers. Over a period of close to five years these scientists nurtured local talents giving them hands-on practical experience while they were doing their Masters. “We have a good number of people who are interested in working in biotechnology companies in Taiwan. Taiwan produces really good Masters’ degree holders with hands on practical experience in life sciences. However, not many PhDs are available in Taiwan. In order to produce novel products, in-depth knowledge is a must. That is why I looked at PhD holders from the US who worked on different areas such as protein therapeutics, small molecules, and protein analysis,” adds Dr Lin.

Novel drug discovery platform
The scientists at PharmaEssentia utilize a novel technology platform of combining protein engineering and chemistry to create new products for better disease treatment. These products are designed to increase a protein’s effective size and slow its clearance from the body.

The scientists at PharmaEssentia, overcoming the common problems encountered in the development of pegylated biologics—namely product heterogeneity and loss of biological activities—are working on developing Pegylated—Interferon alpha and beta, Peg-GCSF, Peg-Growth Hormone and Peg-EPO. “We are working on preclinical trials for our novel molecule P1101 for hepatitis and expected to start phase I trials in the US soon. We are in the process of filing an IND for the same with the USFDA,” says Dr Lin. “We are looking for partners with whom we can work together. Phase II and III, particularly the latter, needs huge money. We are looking for partners to do phase III trials in the US, Europe and Japan.”

“Over a period of four years our scientists have successfully redesigned the whole synthesis of an anti-cancer chemotherapy drug, Gemcitabine (global sales of $1.8 billion annually) that is used as a treatment for different types of cancer like lung, breast, pancreatic—developed by Eli Lilly. We have filed patent for the same and by end of the year we will be launching this as an API or finished product through our partners in Taiwan. We are also looking for partners in South East Asia for marketing the product,” says Dr Ko-Chung Lin.

Funding research
PharmaEssentia raised about $15 million initially. In the second round, the company raised $18 million. “Currently we are working for C round funding. Probably we hope it will be realized in next few months. In this round we expect to raise about $20 million,” Dr Lin adds.

Revenue streams
Besides new drug research and development, PharmaEssentia is producing specialty chemical products that take advantage of Taiwan’s manufacturing infrastructure. These products include active pharmaceutical ingredients (API), their key intermediates, and new dosage forms of APIs.

Dr Lin says, “Utilizing a proprietary synthesis method we produce PharmaQ10, the purest Coenzyme Q10 or CoQ 10. At the same time our manufacturing process in comparison produces a purer product at a lower final price. Based on our technique, we are confident of providing PharmaQ10 in quantities enough to satisfy current and future global market needs.”

“We produce CoQ 10 for the local market. Recently we signed an out-licensing agreement with a Malaysian company—Black Gold Global (BGG)—allowing the company the rights to manufacture CoQ10 using our proprietary process for Asia and the Middle East. We have generated couple of millions-a-year by selling coenzyme Q10. Now we hope we can generate more revenue with technology transfer as well in the coming years,” Dr Lin adds.


Making the most of pharmacogenomics

Dr Ellson Chen, President & CEO, Vita Genomics, TaiwanSuccessful completion of human genome project in 2000 generated a lot of interest among scientific community in understanding the genetic risk factors. It was natural for Dr Ellson Chen, a renowned scientist in the field of large-scale DNA sequencing and human genomics who has 28 years of experience working in companies such as Celera Genomics and Genentech to do something new as an entrepreneur in the field of genomics research. Hence Vita Genomics was established in 2001 in Taiwan after he successfully raised $75 million. Over a period of time Vita Genomics has developed expertise in using genomics and bioinformatics tools to offer streamlined and customized pharmacogenomics services and solutions. Currently, it has about 50 people conducting pharmacogenomics research, in vitro diagnosis product development, and specialty contract research services in both genomics and pharmacogenomics fields and about 70 people working for its subsidiary in Shanghai Genecore Biotechnologies. About 18 have PhDs while the rest have Masters’ degree.

Pharmacogenomics focus
“We are focused on conducting research in the areas of pharmacogenomics and personalized medicine. It is an area developing very fast particularly in Chinese territory mainly because of increase in healthcare cost and health insurance,” says Dr Chen.  

For Vita Genomics partnerships are vital to success and it has built up solid relationships with research institutions and medical organizations throughout Taiwan and China. “We entered into an agreement with Taiwan’s Industrial Technology Research Institute, to offer streamlined, customized and turnkey services for pharmacogenomics clinical trials to the global pharmaceutical and biotech community, says Dr Ellson Chen.

Since its inception, Vita Genomics has had its share of achievements and Dr Chen is quick to point them out. Vita Genomics had an important breakthrough in the research of hepatitis B and C treatment. “Using pharmacogenomic approaches, a proprietary DNA-based diagnostic technology was successfully developed to “fish out” those patients and carriers who are suitable for the current mono and combinational therapies using interferon drugs, Dr Chen says. What this means is the technology that makes treatment of hepatitis B and C better including increasing drug efficacy, lowering adverse reactions, avoiding waste of medical resources, and better patient compliance. It also brings the world one step closer to personalized medicine.

From the time it was established, Vita Genomics has published 70 papers and filed 17 patents of which five were awarded. It has also developed molecular diagnostic products related to pharmacogenetic test, disease risk assessment test, and cancer test.

Besides risk assessment linked to genetic diseases and personalized medicine, Vita Genomics has also initiated a drug-repositioning program designed to resurrect drugs that have failed in the previous clinical trials owing to low efficacies or strong side effects. This program applies pharmacogenomics approaches using biomarkers to screen subsets of patients who may respond better or avoid adverse responses to the test drugs.

The company has developed six technology platforms such as high throughput screening, short tandem repeat genotyping, SNP genotyping, clinical genomics, functional genomics and bioinformatics. “Using these technologies we developed innovative and IP protected products that are moving through clinical trials and field testing,” Dr Chen says.  “Some of our research is further developed into diagnostic or prognostic kits that are commercially available, namely, INFor—an invitro diagnostic test to predict efficacy of interferon /ribavirin combination therapy for chronic hepatitis C patients and SmaPhile, a molecular diagnostic kit used for the prediction of early onset asthma i.e., for patients aged between three and five years.”

Revenue stream
Vita Genomics, now sitting on $30 million fund, has adopted three-pronged approach—pharmacogenomic CRO services, diagnostic products and medical solutions. It offers an advanced and targeted molecular diagnostic products and services, providing efficient and safer medical solutions, improving the drug development process, and lowering the overall healthcare cost through the pharmacogenomics approaches.

To market its diagnostic products it has started  a marketing office in California. The business for its subsidiary, Genecore is expanding very fast, so it’s looking at going public in China.

“Of the top 10 pharma companies, three are our customers for the pharmacogenomics CRO services. Through these services we generate about $4 million annually. We continue to enlist pharma partners who can benefit from identifying patients for drug responsiveness prior to treatments, partners who would fund expanded pharmacogenomics studies that will enable us to validate the responsiveness of all significant genotypes, and partners who would co-develop DNA-based molecular diagnostic products,” adds Dr Chen.

Vita Genomics continues to capitalize on the use of pharmacogenomics that promises to revolutionize the modern medicine by improving prevention and therapeutic efficiency.

© BioSpectrum Bureau
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