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HAUSER CHEMICAL RESEARCH INCREASES TAXOL PRODUCTION CAPACITY TO 130 KILOGRAMS PER YEAR

 HAUSER CHEMICAL RESEARCH INCREASES
 TAXOL PRODUCTION CAPACITY TO 130 KILOGRAMS PER YEAR
 BOULDER, Colo., May 7 /PRNewswire/ -- Hauser Chemical Research Inc. (NASDAQ: HAUS) announced the completion of process validation runs at its new production facility in Boulder. Process validation is an important step in compliance with standard Food and Drug Administration (FDA), Good Manufacturing Practices (GMP) requirements. The plant has a production capacity of 100 kilograms of GMP taxol per year that can be fully achieved within six months and can be expanded when needed. According to the company's chairman and chief executive officer, Dean P. Stull, Ph.D., "Hauser's initial production facility is running at near capacity of 30 kilograms per year. The new facility will bring the company's total capacity to 130 kilograms per year."
 Hauser is the only commercial supplier of bulk taxol for human use and has steadily improved the manufacturing process through technical innovation. As a result of these innovations, Hauser has reduced the Pacific yew bark needed to produce one kilogram of taxol to 16,000 pounds of bark. Hauser initially supplied bulk taxol to the National Cancer Institute for research purposes and currently manufactures bulk taxol, under a multi-year agreement, for Bristol- Myers Squibb Co. which produces the final drug.
 Hauser has also developed a method for the production of taxol from ornamental yew clippings which is similar to the current commercial process. Proving the new method on a pilot scale is under way. This could decrease significantly or eliminate the dependence on obtaining Pacific yew bark to support taxol production. The process for obtaining taxol from clippings will require FDA approval.
 Taxol, an anti-cancer drug, is in clinical trials for refractory ovarian cancer, where it has achieved response rates up to 35 percent; and trials for breast cancer, where response rates of up to 50 percent have been achieved. The compound is also being studied widely in the treatment of other cancers. Bristol-Myers Squibb is expected to file a New Drug Application for taxol for ovarian cancer with the FDA by mid-1992.
 Hauser Chemical Research is a chemical processor, specializing in the extraction and purification of high value natural products using its proprietary technologies. Additionally, through Hauser Laboratories, the company provides interdisciplinary laboratory testing services, chemical engineering services and contract research and development. The company is based in Boulder.
 -0- 5/7/92
 /CONTACT: Dean P. Stull or the Investor Relations Department of Hauser Chemical Research, 303-443-4662/
 (HAUS) CO: Hauser Chemical Research Inc. ST: Colorado IN: HEA MTC SU:


MC-BB -- DV001 -- 7460 05/07/92 09:20 EDT
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Publication:PR Newswire
Date:May 7, 1992
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