EXHIBIT 23.2


              CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statement (Form
S-8 No. 33-50480) pertaining to the Regeneron Pharmaceuticals, Inc. 1990 Long
Term Incentive Plan and in the Registration Statements (Form S-8 No. 33-85330,
From S-8 No. 33-97176, Form S-8 No. 333-33891 and Form S-8 No. 333-80663)
pertaining to the Regeneron Pharmaceuticals, Inc. Amended and Restated 1990 Long
Term Incentive Plan of our report dated February 8, 2000, with respect to the
financial statements of Amgen-Regeneron Partners included in Regeneron
Pharmaceuticals, Inc.'s Annual Report (Form 10-K) for the year ended December
31, 1999.

                                        ERNST & YOUNG LLP

Los Angeles, California
March 3, 2000