Attached files

file filename
EX-32.2 - EX-32.2 - SPECTRUM PHARMACEUTICALS INCsppi20201231ex322.htm
EX-32.1 - EX-32.1 - SPECTRUM PHARMACEUTICALS INCsppi20201231ex321.htm
EX-31.2 - EX-31.2 - SPECTRUM PHARMACEUTICALS INCsppi20201231ex312.htm
EX-31.1 - EX-31.1 - SPECTRUM PHARMACEUTICALS INCsppi20201231ex311.htm
EX-21.1 - EX-21.1 - SPECTRUM PHARMACEUTICALS INClistofsubsidiariesex211123.htm
EX-4.5 - EX-4.5 - SPECTRUM PHARMACEUTICALS INCex45-descriptionofequityse.htm
10-K - 10-K - SPECTRUM PHARMACEUTICALS INCsppi-20201231.htm

EXHIBIT 23.1


CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in Registration Statement Nos. 333-237319, 333-230751, 333-185115, 333-163366, 333-37585, 333-52331, 333-73009, 333-92855, 333-37180, 333-38710, 333-42852, 333-51388, 333-60966, 333-64432, 333-64444, 333-102587, 333-105814, 333-108658, 333-110103, 333-115759, 333-121612, 333-125208, 333-135029, 333-142628, 333-150260, 333-190413, 333-194823 and 333-208760 on Form S-3 and Registration Statement Nos. 333-239349, 333-225704, 333-30321, 333-30345, 333-54246, 333-106427, 333-119833, 333-134566, 333-160312, 333-160705, 333-164014, 333-176681, 333-202761 and 333-216692 on Form S-8 of our report dated March 31, 2021, relating to the financial statements of Spectrum Pharmaceuticals, Inc. and subsidiaries, appearing in this Annual Report on Form 10-K for the year ended December 31, 2020.
/s/ Deloitte & Touche LLP
Costa Mesa, California
March 31, 2021