POWER OF ATTORNEY

AUTHORIZATION

I hereby authorize
Rajesh C. Shrotriya, M.D. or Shyam Kumaria, acting singly, to sign and file
on my behalf any and all forms required by the Securities and Exchange
Commission pursuant to Section 16 of the Securities Exchange Act of 1934
(the "Exchange Act") relating to the reporting of beneficial ownership of
equity securities of Spectrum Pharmaceuticals, Inc., a Delaware corporation
(the "Company"), and of changes in such beneficial ownership, together with
any and all amendments thereto.  This authorization shall be effective on
and after the date set forth below and shall continue in effect until I am
no longer required to file such forms, unless earlier revoked by me in
writing.

I acknowledge that the persons authorized hereunder are not
assuming,
nor is the Company assuming, any of my responsibilities to
comply with
Section 16 of the Exchange Act.

Dated as of this 22nd
day of December, 2003.

/s/ Luigi Lenaz
Luigi Lenaz, M.D.