POWER OF ATTORNEY
AUTHORIZATION

I hereby authorize Thomas J. Riga and Keith M. McGahan, 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 25th day of April 2022.

/s/ Brittany K. Bradrick