Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the use in this Amendment No. 1 to Registration Statement No. 333-194442 of our report dated March 7, 2014, relating to the financial statements of Cerulean Pharma Inc. (which report expresses an unqualified opinion and includes an explanatory paragraph relating to the Company’s ability to continue as a going concern) appearing in the Prospectus, which is a part of such Registration Statement, and to the reference to us under the heading “Experts” in such Prospectus.
/s/ Deloitte & Touche LLP
Boston, Massachusetts
March 26, 2014
