* Human Genome Sciences of Rockville has started advanced human testing of an artificial antibody to treat non-small-cell lung cancer, which the company said accounts for most cases of the disease. A maximum of 30 patients will be given doses of HGS-ETR1, an antibody designed to stimulate a protein that stops cancer cell growth, the company said yesterday. Human Genome Sciences collaborated on the drug with Cambridge Antibody Technology, a British company. Human Genome Sciences said it also plans to test the drug in other cancers. The company also launched early human testing on whether the drug is safe in combination with other cancer drugs. Shares of Human Genome Sciences, which trade on Nasdaq, closed unchanged yesterday at $11.18.

* Martek Biosciences of Columbia earned $5 million (16 cents a share) on $47.3 million in revenue in its third quarter, compared with profit of $4.6 million (16 cents) on $29.1 million in revenue in the same period a year ago. For the nine months ended July 31, the company earned $11.8 million (38 cents) on $124.8 million in revenue, compared with profit of $9.8 million (37 cents) on $76.1 million in revenue in the same period last year.

* NCI Information Systems, a Reston information technology company, won a five-year, $61.6 million contract from the Corporate Information Office of the Army's Program Executive Office for Simulation, Training and Instrumentation in Orlando. NCI will provide program management, network engineering, information assurance, asset acquisition and management, system maintenance, software and customer support and other services.

* MobilePro, a Bethesda wireless communications company, signed an agreement to acquire Davel Communications, a Cleveland company that owns and operates 42,000 pay phones in the United States. MobilePro will acquire Davel's $118 million in senior secured debt as well as 95 percent of Davel's outstanding common stock. MobilePro expects the acquisition will add more than $50 million in annual revenue. Jay Wright, president and chief executive of MobilePro, said in a statement, "Davel's pay phone network gives MobilePro a tremendous real estate footprint for the deployment of Wi-Fi and/or Wi-Max wireless equipment."

* Orbital Sciences, a Dulles company that manufactures small space and rocket systems, said that 2.5 million, or 54 percent, of 4.6 million common stock purchase warrants issued in 2001 were exercised before they would have expired last week. Each warrant allowed its holder to purchase one common share at $4.82 per share. The company received approximately $12 million in cash from the exercise of the warrants, approximately $10 million of which was received in the third quarter of 2004.

Compiled from reports by Washington Post staff writers.