Westborough

Global pharmaceutical giant AstraZeneca, which has a manufacturing facility in Westborough, said it has agreed to buy Pearl Therapeutics, a privately held company in Redwood City, Calif., that focuses on the development of inhaled, small-molecule drugs for chronic obstructive pulmonary disease, or COPD.

Westborough-based RXi Pharmaceuticals said the first double-blind study of its anti-scarring treatment using healthy volunteers had positive results.

Westborough's ViryaNet, which develops mobile workforce management software, saw revenue fall for the first quarter of 2013, to $2.9 million compared with $3.2 million last year.

Four leases totaling more than 276,000 square feet of warehouse space in Westborough were recently signed, according to Boston-based real estate firm Richards Barry Joyce & Partners (RBJ).

Kopin Corp., based in Westborough, announced the opening of a second California location.

Biotech startup RXi Pharmaceuticals of Westborough, which is pushing ahead with clinical trials for its first product, reported a $14.4-million loss during the first quarter, but saw $100,000 in revenue, compared with no revenue during the first quarter of 2012.

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Westborough-based Kopin Corp., a mobile communications and micro display product company, reported mixed results for its first quarter of 2013, attributing a drop in revenue to fewer sales of military products.

Cost of living in the nine-town stretch of MetroWest between Hopkinton and Natick ranks above that of Boston, according to a report released last week by Framingham State University. The school's MetroWest Economic Research Center (MERC) issued its cost of living index – which it gathers and shares with a national organization called C2ER that tracks national prices – last week at its 21st annual conference at the Verve Crowne Plaza in Natick.

A123 Systems, which has sites in MetroWest, announced a rebranding of its advanced battery business in Westborough, five months after the company announced it would sell most of its assets to Chinese firm Wanxiang Group.