Exhibit 23.1

  

  

Consent of Independent Registered Public Accounting Firm

  

Phio Pharmaceuticals Corp.

Marlborough, Massachusetts

  

We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated March 22, 2023, relating to the consolidated financial statements of Phio Pharmaceuticals Corp. appearing in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022. Our report contains an explanatory paragraph regarding the Company’s ability to continue as a going concern.

  

/s/ BDO USA, P.C.

Boston, Massachusetts

  

September 29, 2023