Attached files

file filename
S-1 - S-1 - Astria Therapeutics, Inc.a2223775zs-1.htm
EX-3.1 - EX-3.1 - Astria Therapeutics, Inc.a2223775zex-3_1.htm
EX-3.4 - EX-3.4 - Astria Therapeutics, Inc.a2223775zex-3_4.htm
EX-3.3 - EX-3.3 - Astria Therapeutics, Inc.a2223775zex-3_3.htm
EX-3.2 - EX-3.2 - Astria Therapeutics, Inc.a2223775zex-3_2.htm
EX-10.2 - EX-10.2 - Astria Therapeutics, Inc.a2223775zex-10_2.htm
EX-10.5 - EX-10.5 - Astria Therapeutics, Inc.a2223775zex-10_5.htm
EX-10.1 - EX-10.1 - Astria Therapeutics, Inc.a2223775zex-10_1.htm
EX-10.3 - EX-10.3 - Astria Therapeutics, Inc.a2223775zex-10_3.htm
EX-10.6 - EX-10.6 - Astria Therapeutics, Inc.a2223775zex-10_6.htm
EX-10.4 - EX-10.4 - Astria Therapeutics, Inc.a2223775zex-10_4.htm
EX-10.13 - EX-10.13 - Astria Therapeutics, Inc.a2223775zex-10_13.htm
EX-10.20 - EX-10.20 - Astria Therapeutics, Inc.a2223775zex-10_20.htm
EX-10.21 - EX-10.21 - Astria Therapeutics, Inc.a2223775zex-10_21.htm
EX-10.15 - EX-10.15 - Astria Therapeutics, Inc.a2223775zex-10_15.htm
EX-10.18 - EX-10.18 - Astria Therapeutics, Inc.a2223775zex-10_18.htm
EX-10.11 - EX-10.11 - Astria Therapeutics, Inc.a2223775zex-10_11.htm
EX-10.17 - EX-10.17 - Astria Therapeutics, Inc.a2223775zex-10_17.htm
EX-10.19 - EX-10.19 - Astria Therapeutics, Inc.a2223775zex-10_19.htm
EX-10.14 - EX-10.14 - Astria Therapeutics, Inc.a2223775zex-10_14.htm
EX-10.10 - EX-10.10 - Astria Therapeutics, Inc.a2223775zex-10_10.htm
EX-10.16 - EX-10.16 - Astria Therapeutics, Inc.a2223775zex-10_16.htm
EX-10.12 - EX-10.12 - Astria Therapeutics, Inc.a2223775zex-10_12.htm

QuickLinks -- Click here to rapidly navigate through this document


Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

        We consent to the reference to our firm under the caption "Experts" and to the use of our report dated March 5, 2015, except for Notes 1 and 15(B), as to which the date is May 13, 2015, in the Registration Statement (Form S-1) and related Prospectus of Catabasis Pharmaceuticals, Inc. dated May 13, 2015.

    /s/ Ernst & Young LLP

Boston, Massachusetts
May 13, 2015

 

 



QuickLinks

Consent of Independent Registered Public Accounting Firm