Attached files

file filename
EX-32 - EXHIBIT 32 - CTI BIOPHARMA CORPa2017exhibit32sect906certc.htm
EX-31.2 - EXHIBIT 31.2 - CTI BIOPHARMA CORPa2017exhibit312sect302cert.htm
EX-31.1 - EXHIBIT 31.1 - CTI BIOPHARMA CORPa2017exhibit311sect302cert.htm
EX-21.1 - EXHIBIT 21.1 - CTI BIOPHARMA CORPa2017exhibit21110kfy2017su.htm
EX-12.1 - EXHIBIT 12.1 - CTI BIOPHARMA CORPa2017exhibit121ratioofearn.htm
EX-10.58 - EXHIBIT 10.58 - CTI BIOPHARMA CORPwaivertoloanandsecurityagr.htm
10-K - 10-K - CTI BIOPHARMA CORPcti10k12312017document.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 (File Nos. 333-108926, 333-134126, 333-149980, 333-149981, 333-152171, 333-157376, 333-163479, 333-182330, 333-192748, 333-192749, 333-200453 and 333-221382) and Form S-8 (File Nos. 333-146624, 333-152168, 333-158260, 333-162955, 333-170044, 333-178158, 333-184004, 333-189611, 333-196510, 333-207176, 333-207177, 333-211006, 333-218946, and 333-218947) of our report dated March 7, 2018, with respect to our audits of the consolidated financial statements and the related consolidated financial statement schedule of CTI BioPharma Corp. as of December 31, 2017 and 2016 and for the years ended December 31, 2017, 2016 and 2015 and our report dated March 7, 2018 with respect to our audit of the effectiveness of internal control over financial reporting of CTI BioPharma Corp. as of December 31, 2017, which reports are included in this Annual Report on Form 10-K of CTI BioPharma Corp. for the year ended December 31, 2017.



/s/ Marcum LLP

Marcum LLP
San Francisco, CA
March 7, 2018