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Thursday's Health Winners & Losers

PDL BioPharma is higher.

Shares of

Genentech

(DNA)

were losing 3% after the biotech company said that a low dose of its cancer drug Avastin worked just as well as a more-expensive high dose during clinical trials. The news stirred up fears that the company will receive less revenue from sales of the drug, and Genentech was falling $2.61 to $85.13.

Teva Pharmaceutical

(TEVA) - Get Teva Pharmaceutical Industries Limited Sponsored ADR Report

was trading lower despite the final approval from the Food and Drug Administration for rabeprazole sodium delayed-release tablets, a generic form of Aciphex. Teva shares were losing 69 cents, or 1.8%, to $37.65.

On the winning side,

OSI Pharmaceuticals

(OSIP)

posted a narrower-than-expected fourth-quarter loss late Wednesday. The company also beat the Thomson First Call quarterly revenue estimate. OSI was recently adding 91 cents, or 2.6%, to $36.26.

PDL BioPharma

(PDLI) - Get PDL BioPharma, Inc. Report

was gaining 2% even after the company missed fourth-quarter earnings targets when it reported following the previous session's close. However, PDL said it expects 2007 revenue to rise due to product sales and royalty payments. The stock was adding 38 cents to $19.52.

Among other winners,

TheStreet Recommends

Monogram Biosciences

(MGRM)

was rising 2.6% to $1.99.

Abbott Laboratories

(ABT) - Get Abbott Laboratories Report

was gaining 1.6% to $53.57.

As for decliners,

MGI Pharma

(MOGN)

was sliding by 3.9% to $22.20.

Medicines

(MDCO) - Get Medicines Company Report

was recently down 1.7% to $28.19.

Medco Health

(MHS)

was off 1.1% to $67.05.