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EX-5.1 - EX-5.1 - Phio Pharmaceuticals Corp.d583153dex51.htm
S-1 - S-1 - Phio Pharmaceuticals Corp.d583153ds1.htm

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

RXi Pharmaceuticals Corporation

Marlborough, Massachusetts

We hereby consent to the incorporation by reference in the prospectus constituting a part of this Registration Statement of our report dated March 26, 2018, relating to the consolidated financial statements of RXi Pharmaceuticals Corporation appearing in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017. Our report contains an explanatory paragraph regarding the Company’s ability to continue as a going concern.

We also consent to the reference to us under the caption “Experts” in the Prospectus.

/s/ BDO USA, LLP

Boston, Massachusetts

May 9, 2018