Technology/Science
[JW R&D] Renal Anemia Treatment of JW Pharmaceutical, Achieved New Drug Approval in Japan
Recently, Japanese partner of JW, ‘Japan Tobacco (hereinafter JT)’, received approval for manufacturing and sales of the renal anemia treatment JTZ-951 from the Ministry of Health, Labor, and Welfare (MHLW). JTZ-951 is a candidate substance for a new drug that JW Pharmaceutical has the right to develop and sell in Korea. As in the case of JTZ-951, JW Group has been striving to build an outstanding original portfolio by introducing and jointly developing foreign drug candidates in Korea. This time, we look back at the development process of JTZ-951, which is about to be approved for a new drug, and introduce the strategy of securing original products of JW Group, which is attracting attention as a sustainable business model in the pharmaceutical industry in Korea.
“Economy and safety, Killing two birds with one stone” - ‘JTZ-951’, a new hope for patients with chronic renal disease
Most people with chronic renal disease whose ability to produce ‘erythropoietin preparations’ has decreased due to renal dysfunction suffer from ‘anemia’. Anemia is a complication that causes quality of life to be deteriorated and dialysis disorders and nutritional disorders, but patients complain that that the process to treat it is more painful. There are many reasons why patients feel uncomfortable in the anemia treatment process.
In general, anemia is normally treated by injecting erythropoietin directly into the body, which helps increase hemoglobin. However, this method has a problem that even for patients who do not need dialysis, not only has to handle frequent visits, but also need to inject a large dose, leading to cardiovascular complications.
Accordingly, JW Group began to discover new drugs to contribute to improving the quality of life of chronic renal disease patients by solving problems with existing renal anemia drugs. In addition, in 2016, it was decided to introduce a new innovative drug called, ‘JTZ-951’ in Korea after signing a ‘License Agreement for Clinical Trials and Sales in Korea’ with Japan Tobacco.
‘JTZ-951’ activates the internal production of erythropoietin, a glycoprotein hormone while helping to promote erythropoiesis by controlling the expression of molecules responsible for iron metabolism. Also, it is easy to take in oral form.
Recently, Japan Tobacco successfully completed a phase 3 clinical trial of ‘JTZ-951’ conducted in Japan, and applied for the new drug application (NDA) stage. Through this clinical trial, Japan Tobacco proved that the safety and efficacy after administering JTZ-951 to hemodialysis patients for 24 weeks is not at all inferior to that of the existing treatment, ‘Nesp Prefilled Syringe’.
JW Group is also conducting a phase 3 clinical trial of ‘JTZ-951’ with the same details at 20 general hospitals in Korea from January to August this year. The company is accelerating its development with the goal of full-scale release in 2022 after completing the clinical trial and applying for new drug application (NDA) and approving of product license. The emergence of ‘JTZ-951’ is expected to spark a new sensation in the renal anemia treatment market in Korea, which is currently estimated at about KRW 80 billion, and is attracting attention from the industry as well as patients with chronic renal disease.
“Genius displays itself even in childhood” – JW Pharmaceutical’s strategy to secure a unique original portfolio
Original products are important in academic marketing for experts. This is because customers such as doctors pay attention to whether they have original products when evaluating pharmaceutical companies. In many cases, Korean pharmaceutical companies rely on generic products due to lack of new drugs developed in-house, or prioritize top-line growth through joint sales of new drugs by global pharmaceutical companies. However, there are concerns that Korean pharmaceutical companies may become a sales agency of multinational pharmaceutical companies and that it must take the risk from the recovery of rights for sales by the developer. Therefore, in order to prepare a sustainable business portfolio, it is necessary to hold the licenses for original products.
Among these, recently, JW Pharmaceutical’s strategy to build a differentiated origin portfolio is gaining favorable review form the industry. Currently, JW Pharmaceutical is building a unique pipeline through the strategy of securing exclusive sales rights while jointly developing new drug candidates being developed overseas. This method of introducing candidate substances served as a good opportunity to continuously strengthen development capabilities such as clinical trials after the agreement. Products founded through this strategy to secure original new drugs include ‘Livalo’ for hyperlipidemia, ‘Thrupas’ for prostatic hyperplasia, ‘Actemra’ for rheumatoid arthritis, and ‘Guardlet (Matt)’ for type 2 diabetes treatment.
Expectations for the subsequent licensing pipeline are also growing. In May of 2017, JW Pharmaceutical secured the sales right in Korea of Hemlibra, a hemophilia A treatment that was being developed by Chugai and consecutively acquired the sales right in Korea of ‘AJT240’, a secondary hyperparathyroidism treatment in October of the same year. ‘Hemlibra’ is an innovative new drug that is expected to be a blockbuster in the global market. Hemlibra, which proved the safety of postoperative bleeding in a clinical trial involving 400 patients with non-antibody hemophilia A in Korea, is about to be released next year. ‘AJT240’ is a drug that minimizes gastrointestinal adverse events and dramatically improves the patient compliance. It is characterized by improved compliance by injecting the drug through a dialysis tube immediately after hemodialysis.
JW Pharmaceutical’s strategy for securing original portfolios is the result of securing research capabilities through technological alliances with advanced countries such as Japan, the United States, and Netherlands, and Switzerland since the 1970s, and striving to build solid trust with global partner since the 2000s. There is no doubt that the portfolio that has been achieved for a long period of time will serve as a foothold for the JW Group to advance into a bigger world.
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