* Sibia Inc., of La Jolla, said it has extended its three-yearcollaboration with Eli Lilly and Co., of Indianapolis, for another twoyears. Since 1992, the two companies have been conducting researchon neuronal calcium channels, which mediate chemical signalsamong nerve cells, for treatments of disorders, such as Alzheimer'sdisease, stroke and depression. Financial terms were not disclosed.

* Greenwich Pharmaceuticals Inc., of Fort Washington, Pa.,completed its merger with Boston Life Sciences Inc., of Waltham,Mass. The new company will be called Boston Life Sciences and willtrade under the symbol, BLSI, on the NASDAQ SmallCap market.

* Interferon Sciences Inc., of New Brunswick, N.J., started amulticenter clinical trial of a topical formulation of its InterferonAlfa-n3 to treat human papillomavirus in women with HIV. Thestudies are being conducted in association with Columbia-Presbyterian Medical Center in New York.

* Unimed Pharmaceuticals Inc., of Buffalo Grove, Ill., licensed rightsto Nitazoxanide (NTZ) from Romark Laboratories L.C. in Florida.NTZ is being developed as a treatment for parasitic infections,including cryptosporidium parvum in AIDS patients. Unimed made a$500,000 equity investment in Romark and has agreed to buy another$500,000 worth of Romark stock based on achievement of certainmilestones. The deal gives Unimed rights to NTZ in the U.S.,Canada, Australia and New Zealand.

* Calgene Inc., of Davis, Calif., said it developed a transgenicrapeseed plant to boost production of erucic acid, which hasindustrial applications. The company said the rapeseed plants arealtered with an acyl-transferase gene from a meadowfoam plant.Erucic acid is used the production of packaging as well as cosmeticsand lubricants.

* Hyseq Inc., of Sunnyvale, Calif., which is developing high-speedsequencing-by-hybridization technology, said it plans to beginmaking a "super chip" by the end of this year. The chip wouldsequence 64,000 bases of DNA, or the equivalent of about six genes,in a single two-hour reaction. The company's super chip techniqueultimately is aimed at decoding as many as 100 genes at one time, butHyseq said that goal is still several years away.

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