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                                                                     EXHIBIT 5.1


            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


The Board of Directors
Neurochem Inc.

     We consent to the incorporation by reference in Amendment No. 1 to the
registration statement on Form F-10 (Reg. No. 333-140039) of Neurochem Inc. of
our audit report dated February 8, 2006 (except as to note 22(b), which is as of
February 16, 2006), with respect to the consolidated balance sheets of Neurochem
Inc. as at December 31, 2005 and 2004, and the consolidated statements of
operations, deficit and cash flows for the years ended December 31, 2005 and
2004, the six-month period ended December 31, 2003 and for the period from
inception (June 17, 1993) to December 31, 2005, and our audit report dated
February 8, 2006 on the related supplemental note entitled "Reconciliation to
United States Generally Accepted Accounting Principles" in respect of our
consolidated financial statements as at December 31, 2005 and 2004 and for each
of the years in the two-year period ended December 31, 2005, the six-month
period ended December 31, 2003, and the period from inception (June 17, 1993) to
December 31, 2005, which report appears in a Form 6-K report furnished on
January 16, 2007, and to the reference to our firm under the heading
"Independent Chartered Accountants" in the prospectus.



/S/ KPMG LLP

Chartered Accountants

Montreal, Canada
February 9, 2007
















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