Attached files

file filename
10-K - 10-K - CTI BIOPHARMA CORPcti10k12312015document.htm
EX-31.1 - EXHIBIT 31.1 - CTI BIOPHARMA CORPexhibit311sect302certceo.htm
EX-31.2 - EXHIBIT 31.2 - CTI BIOPHARMA CORPexhibit312sect302certcfo.htm
EX-32 - EXHIBIT 32 - CTI BIOPHARMA CORPexhibit32sect906certceocfo.htm
EX-10.36 - EXHIBIT 10.36 - CTI BIOPHARMA CORPexhibit1036ltipamendmentjb.htm
EX-12.1 - EXHIBIT 12.1 - CTI BIOPHARMA CORPexhibit121ratioofearningst.htm
EX-10.11 - EXHIBIT 10.11 - CTI BIOPHARMA CORPexhibit1011smtseveranceagr.htm
EX-10.37 - EXHIBIT 10.37 - CTI BIOPHARMA CORPexhibit1037ltipamendmentmp.htm
EX-10.5 - EXHIBIT 10.5 - CTI BIOPHARMA CORPexhibit105amendment3todrbi.htm
EX-21.1 - EXHIBIT 21.1 - CTI BIOPHARMA CORPexhibit21110kfy2015subsidi.htm
EX-10.35 - EXHIBIT 10.35 - CTI BIOPHARMA CORPexhibit1035seeleyltipaward.htm
EX-10.12 - EXHIBIT 10.12 - CTI BIOPHARMA CORPexhibit1012directorcompens.htm


Exhibit 23.1



INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT


We consent to the incorporation by reference in the Registration Statement of CTI BioPharma Corp. on Form S-3 (Nos. 333-108926, 333-134126, 333-149980, 333-149981, 333-152171, 333-157376, 333-160969, 333-163479, 333-161442, 333-177506, 333-182330, 333-183037, 333-192748, 333-192749, 333-200452 and 333-200453) and Form S-8 (Nos. 333-146624, 333-152168, 333-158260, 333-162955, 333-170044, 333-178158, 333-184004, 333-189611, 333-196510, 333-207176 and 333-207177) of our report dated February 16, 2016, with respect to our audits of the consolidated financial statements of CTI BioPharma Corp. as of December 31, 2015 and 2014 and for the years ended December 31, 2015, 2014 and 2013 and our report dated February 16, 2016 with respect to our audit of the effectiveness of internal control over financial reporting of CTI BioPharma Corp. as of December 31, 2015, which reports are included in this Annual Report on Form 10-K of CTI BioPharma Corp. for the year ended December 31, 2015.

/s/ Marcum LLP

Marcum LLP
San Francisco, CA
February 16, 2016