UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

 

Washington, DC 20549

 

FORM 8-K

 

CURRENT REPORT

 

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

 

Date of Report (Date of earliest event reported): October 11, 2007

 

Callisto Pharmaceuticals, Inc.

(Exact name of registrant as specified in its charter)

 

 

420 Lexington Avenue, Suite 1609

New York, New York 10170

(Address of principal executive offices)

 

Registrant’s telephone number, including area code: (212) 297-0010

 

 

(Former name or former address, if changed since last report)

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 

o  Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

o  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 

o  Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

o  Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

 

Item 7.01.                                          Regulation FD Disclosure

 

The executive officers of Callisto Pharmaceuticals, Inc. (the “Company”) intend to conduct meetings with investors, stockholders and analysts and at investor conferences on or after October 11, 2007. A copy of the presentation materials to be used at those meetings and from time to time thereafter is filed as Exhibit 99.1 hereto. The Company does not intend to file any update of these presentation materials. The fact that these presentation materials are being furnished should not be deemed an admission as to the materiality of any information contained in the materials.

 

Item 9.01.                                          Financial Statements and Exhibits

 

(d)         Exhibits.

 

99.1                         Callisto Pharmaceuticals, Inc. investor presentation materials to be used by the Company’s executive officers at meetings with investors, stockholders and analysts and at investor conferences beginning on or after October 11, 2007, and to be used from time to time thereafter.

 

The information in this Form 8-K and the Exhibit attached hereto shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, except as shall be expressly set forth by specific reference in such filing.

 

SIGNATURE

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

Dated:             October 11, 2007

 

 

	CALLISTO PHARMACEUTICALS, INC.
	By:	/s/ Gary S. Jacob
	Gary S. Jacob, Ph.D.
	Chief Executive Officer

 

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