UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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):

June 29, 2007

AVANT IMMUNOTHERAPEUTICS, INC.

(Exact name of registrant as specified in charter)

Delaware	0-15006	13-3191702
(State or other jurisdiction	(Commission file number)	(IRS employer
of incorporation)		identification no.)

119 Fourth Avenue

Needham, Massachusetts 02494-2725

(Address of principal executive offices) (Zip code)

Registrant’s telephone number, including area code:

(781) 433-0771

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 communications 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 5.02. Departure of Directors or Principal Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On June 29, 2007, Ronald W. Ellis, Ph.D., Senior Vice President, Research and Development, of AVANT Immunotherapeutics, Inc. (the “Company”) notified the Company that he will leave the Company effective July 31, 2007 to pursue a long-term desire to relocate to Israel.

SIGNATURES

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, thereunto duly authorized.


	AVANT IMMUNOTHERAPEUTICS, INC.

Dated: July 2, 2007	By:	/s/ Avery W. Catlin
		Avery W. Catlin
		Title:	Senior Vice President and Chief Financial Officer