Exhibit 32.1


Certification of

Principal Executive Officer

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002


I, Lucy Lu, M.D., Chief Executive Officer of Avenue Therapeutics, Inc. (the “Company”), in compliance with Section 906 of the Sarbanes-Oxley Act of 2002, hereby certify that, to the best of my knowledge, the Company’s Quarterly Report on Form 10-Q for the period ended June 30, 2020 (the “Report”) filed with the Securities and Exchange Commission:  


· Fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and


· The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.


  /s/ Lucy Lu, M.D.
  Lucy Lu, M.D.
  President, Chief Executive Officer and Director
  (Principal Executive Officer) 
  August 14, 2020