Biotech company Dendreon Corp. posted a wider third-quarter loss Wednesday as an increase in operating expenses offset a rise in sales.

The company's quarterly loss totaled $20.7 million, or 29 cents per share, compared with $19.7 million, or 33 cents per share, a year ago. Revenue jumped 45 percent to $84,000 form $58,000 last year.

Analysts polled by Thomson Financial forecast a loss of 29 cents per share on sales of $100,000.

Total operating expenses rose to $21.7 million from $21 million a year ago.