April 26, 2018

 

VIA EDGAR

 

U.S. Securities and Exchange Commission

Division of Corporation Finance

100 F. Street, N.E.

Washington, DC 20549

 

Re:    Onconova Therapeutics, Inc.

Registration Statement on Form S-1 (File No. 333-224315)

Concurrence in Acceleration Request

 

Ladies and Gentlemen:

 

H.C. Wainwright & Co., LLC (“Wainwright”), as underwriter for the referenced offering, hereby concurs in the request by Onconova Therapeutics, Inc. that the effective date of the above-referenced registration statement be accelerated to 4:30 P.M. (Eastern Time), or as soon as practicable thereafter, on April 26, 2018, pursuant to Rule 461 under the Securities Act. Wainwright affirms that it is aware of its obligations under the Securities Act in connection with this offering.

 

H.C. WAINWRIGHT & CO., LLC

 

By:

/s/ Edward D. Silvera

 

 

Name:

Edward D. Silvera

 

 

Title:

Chief Operating Officer

 

 

430 Park Avenue | New York, New York 10022 | 212.356.0500

Security services provided by H.C. Wainwright & Co., LLC | Member: FINRA/SIPC