Clinical Data (CLDA) 10-Q 2009 Q3 Quarterly report

EXHIBIT 32.1

STATEMENT PURSUANT TO 18 U.S.C. § 1350

     In connection with the Quarterly Report on Form 10-Q of Clinical Data, Inc. (the “Company”) for the period ended December 31, 2008 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, Andrew J. Fromkin, Chief Executive Officer and President of the Company and C. Evan Ballantyne, Senior Vice President and Chief Financial Officer of the Company, each hereby certifies, pursuant to 18 U.S.C. Section 1350, that:

     (1) the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

     (2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company at the end of such quarter/period.

	/s/Andrew J. Fromkin
Date: February 9, 2009	Andrew J. Fromkin
	President and Chief Executive Officer
	/s/C. Evan Ballantyne
Date: February 9, 2009	C. Evan Ballantyne
	Senior Vice President and Chief Financial Officer