Filing

SEC FORM 3 SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

LIEF JACK

(Last)

(First)

(Middle)

C/O ARENA PHARMACEUTICALS, INC.

6166 NANCY RIDGE DRIVE

(Street)

SAN DIEGO

92121

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/22/2006

3. Issuer Name and Ticker or Trading Symbol
ADVENTRX PHARMACEUTICALS INC [ ANX ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)

Explanation of Responses:

Remarks:

No securities are benefically owned.

No securities are beneficially owned.

	/s/ Patrick Keran, Attorney-in-fact	09/22/2006
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

                                                            EXHIBIT 24
                        POWER OF ATTORNEY

     KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby
constitutes and appoints Patrick L. Keran and Ioana C. Hone, and each
of them individually, his true and lawful attorney-in-fact to:

     (1)	execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer, director and/or 10% or greater
stockholder of Adventrx Pharmaceuticals, Inc. (the "Company"), any
and all Form 3, 4 and 5 reports required to be filed by the
undersigned in accordance with Section 16(a) of the Securities
Exchange Act of 1934, as amended, and the rules thereunder;

     (2)	do and perform any and all acts for and on behalf
of the undersigned which may be necessary or desirable to complete
and execute any such Form 3, 4 or 5 report and timely file such
report with the United States Securities and Exchange Commission
and any stock exchange or similar authority; and

     (3)	take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of such
attorney-in-fact, may be of benefit to, in the best interest of,
or legally required by, the undersigned, it being understood that
the documents executed by such attorney-in-fact on behalf of the
undersigned, pursuant to this Power of Attorney, shall be in such
form and shall contain such terms and conditions as such
attorney-in-fact may approve in his discretion.

     The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform each and every act and
thing whatsoever requisite, necessary, and proper to be done in
the exercise of any of the rights and powers herein granted, as
fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution
or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or his substitute or substitutes, shall
lawfully do or cause to be done by virtue of this Power of
Attorney and the rights and powers herein granted.  The
undersigned acknowledges that no such attorney-in-fact, in
serving in such capacity at the request of the undersigned,
is hereby assuming, nor is the Company hereby assuming, any of
the undersigned's responsibilities to comply with Section 16
of the Securities Exchange Act of 1934, as amended.

     This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Form 3, 4
and 5 reports with respect to the undersigned's holdings of
and transactions in securities issued by the Company, unless
earlier revoked by the undersigned in a signed writing delivered
to the foregoing attorneys-in-fact.

     IN WITNESS WHEREOF, the undersigned has caused this Power
of Attorney to be executed as of this 21st day of September, 2006.


						/s/ Jack Lief
						Signature

						Jack Lief
						Print Name

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