Exhibit 23.1 Consent of Independent Auditors We consent to incorporation by reference in the Registration Statement of Form S-8 pertaining to the NaPro BioTherapeutics, Inc. 1993 Stock Option Plan and the NaPro BioTherapeutics, Inc. 1994 Long-Term Performance Incentive Plan of our report dated January 26, 1997, with respect to the consolidated financial statements of NaPro BioTherapeutics, Inc. included in the Annual Report (Form 10-K) for the year ended December 31, 1996. /s/ Ernst & Young LLP ERNST & YOUNG LLP Denver, Colorado March 27, 1997