~~United~~UNITED ~~States~~ STATES

~~Securities~~SECURITIES ~~and~~ AND ~~Exchange~~EXCHANGE ~~Commission~~COMMISSION

~~Washington~~WASHINGTON, ~~D.C.~~ DC 20549

___________

FORM 8-K

~~Current Report~~___________

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of report (Date of earliest event reported) September 20, 2007
Date of report (Date of earliest event reported) December 18, 2007
ALSIUS CORPORATION (Exact Name of Registrant as Specified in Charter)
Delaware	000-51362	20-2620798
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

15770 Laguna Canyon Road, Suite 150, Irvine, California	92618
(Address of Principal Executive Offices)	(Zip Code)

Registrant’s telephone number, including area code (949) 453-0150

(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 (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

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

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

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

Item 57.~~03 Amendments to~~01 ~~Articles~~FD ~~of Incorporation or Bylaws; Change in Fiscal Year.~~Disclosure

~~Effective~~In ~~September~~connection ~~20,~~with ~~2007, our board of directors approved by unanimous written consent an amendment to our bylaws (~~the ~~"Bylaws")~~transaction todescribed ~~permit shares of our stock to be issued~~ in ~~uncertificated as well~~Item ~~as certificated form~~8. ~~The~~01 ~~amendment~~to ~~allows~~this ~~our~~Report ~~stock~~on ~~to be~~Form ~~eligible~~8-K, ~~for~~on ~~participation~~December in18, ~~the Direct Registration System~~2007, asthe ~~required~~Registrant ~~by NASDAQ~~issued ~~Rule~~a ~~4350(l). The~~press ~~Direct~~release, ~~Registration~~a ~~System~~copy ~~allows shareholders to hold shares without the issuance~~ of ~~physical certificates and~~ ~~allows~~which ~~shares~~is tofurnished beas ~~transferred~~an ~~between~~exhibit ~~a transfer agent and a broker electronically without the need~~ to ~~transfer~~this ~~physical certificates~~Report.

AThe ~~copy~~information ofin ~~our~~this ~~amended~~Item 7.01 is being furnished and ~~restated~~shall not be deemed “filed” ~~Bylaws~~for isthe ~~attached~~purposes ~~hereto~~of Section 18 of the Securities Exchange Act of 1934, as amended ~~Exhibit~~(“Exchange 3Act”), or otherwise subject to the liabilities of that Section.2 ~~and~~Such isinformation shall not be incorporated ~~herein~~by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 98.01 ~~Financial Statements~~ ~~and~~Other ~~Exhibits.~~Events

~~(d)~~On ~~Exhibits~~December 18, 2007, the Registrant issued a press release announcing the commencement of a temporary warrant retirement program whereby holders of the Registrant's warrants are offered the opportunity to tender their warrants for shares of common stock. In addition, if the warrant holders participate in the cashless tender, they are also eligible to tender one additional warrant at a reduced exercise price of $3.25 for one additional share of the Company's common stock. The full text of the press release issued in conjunction with the announcement is attached and incorporated herein by reference as Exhibit 99.1 to the Current Report on Form 8-K.

Exhibit	Description
3.2	Amendment to the Bylaws of Alsius Corporation (fka Ithaka Acquisition Corp.), dated as of September 20, 2007.

Item 9.01 Financial Statements and Exhibits

Exhibit	Description
99.1	Press Release dated December 18, 2007

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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.

	ALSIUS CORPORATION
Dated: September 21, 2007	By:	/s/ Brett L. Scott
		Name: Brett L. Scott Title: Chief Financial Officer

Dated: December 19, 2007

~~-2-~~ALSIUS CORPORATION By: /s/ Brett L. Scott Name: Brett L. Scott Title: Chief Financial Officer

Exhibit Index

Exhibit	Description
3.2	Amendment to the Bylaws of Alsius Corporation (fka Ithaka Acquisition Corp.), dated as of September 20, 2007.

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Exhibit Index

Exhibit	Description
99.1	Press Release dated December 18, 2007

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