Attached files

file filename
EX-10.20 - EX-10.20 - ZIOPHARM ONCOLOGY INCd861766dex1020.htm
EX-32.2 - EX-32.2 - ZIOPHARM ONCOLOGY INCd861766dex322.htm
EX-32.1 - EX-32.1 - ZIOPHARM ONCOLOGY INCd861766dex321.htm
EX-31.2 - EX-31.2 - ZIOPHARM ONCOLOGY INCd861766dex312.htm
EX-31.1 - EX-31.1 - ZIOPHARM ONCOLOGY INCd861766dex311.htm
EX-21.1 - EX-21.1 - ZIOPHARM ONCOLOGY INCd861766dex211.htm
EX-10.23 - EX-10.23 - ZIOPHARM ONCOLOGY INCd861766dex1023.htm
EX-10.21 - EX-10.21 - ZIOPHARM ONCOLOGY INCd861766dex1021.htm
EX-4.8 - EX-4.8 - ZIOPHARM ONCOLOGY INCd861766dex48.htm
EX-4.7 - EX-4.7 - ZIOPHARM ONCOLOGY INCd861766dex47.htm
10-K - 10-K - ZIOPHARM ONCOLOGY INCd861766d10k.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements (Nos. 333-129884, 333-134280, 333-142701, 333-160496, 333-167925, 333-185433, 333-199304, 333-220804, and 333-228291) on Form S-8 and Registration Statements (Nos. 333-134279, 333-141014, 333-161453, 333-162160, 333-163517, 333-166444, 333-174292, 333-177793, 333-201826, 333-229555 and 333-232283) on Form S-3 of ZIOPHARM Oncology, Inc. of our report dated March 2, 2020 relating to the financial statements of ZIOPHARM Oncology, Inc. and subsidiaries (the Company) and our report relating to the effectiveness of the Company’s internal control over financial reporting dated March 2, 2020, which report expresses an adverse opinion on the effectiveness of the Company’s internal control over financial reporting because of a material weakness, appearing in this Annual Report on Form 10-K of ZIOPHARM Oncology, Inc. for the year ended December 31, 2019.

/s/ RSM US LLP

Boston, Massachusetts

March 2, 2020