POWER OF ATTORNEY

AUTHORIZATION

I hereby authorize Luigi
Lenaz, 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/ Rajesh C. Shrotriya
Rajesh C. Shrotriya,
M.D.