Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

The Board of Directors
NPS Pharmaceuticals, Inc.:

We consent to the use of our reports dated March 13, 2007, with respect to the consolidated balance sheets of NPS Pharmaceuticals, Inc. and subsidiaries as of December 31, 2006 and 2005, and the related consolidated statements of operations, stockholders’ equity (deficit) and comprehensive income (loss), and cash flows for each of the years in the three-year period ended December 31, 2006, management’s assessment of the effectiveness of internal control over financial reporting as of December 31, 2006 and the effectiveness of internal control over financial reporting as of December 31, 2006, incorporated herein by reference and to the reference to our firm under the heading “Experts” in the prospectus.

Our report covering the December 31, 2006 financial statements refers to a change to the method of accounting for stock-based compensation.

/s/ KPMG LLC

Salt Lake City, Utah

September 21, 2007