EXHIBIT 23.1
 
                        CONSENT OF INDEPENDENT AUDITORS
   
  We consent to the reference to our firm under the caption "Experts" and to
the use of our report dated February 23, 1998, except for Note 7 as to which
the date is September 4, 1998, in Amendment No. 1 to the Registration
Statement (Form S-1 No. 333-60055) and the related Prospectus of Sensus Drug
Development Corporation for the registration of shares of its common stock.
    
                                          /s/ Ernst & Young LLP
 
Austin, Texas
   
September 29, 1998