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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001116502-10-000255.txt : 20100330
<SEC-HEADER>0001116502-10-000255.hdr.sgml : 20100330
<ACCEPTANCE-DATETIME>20100330135605
ACCESSION NUMBER:		0001116502-10-000255
CONFORMED SUBMISSION TYPE:	POS AM
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20100330
DATE AS OF CHANGE:		20100330

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADHEREX TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001211583
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		POS AM
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-134732
		FILM NUMBER:		10713199

	BUSINESS ADDRESS:	
		STREET 1:		4620 CREEKSTONE DRIVE
		STREET 2:		SUITE 200
		CITY:			DURHAM
		STATE:			NC
		ZIP:			27703
		BUSINESS PHONE:		919-484-8484

	MAIL ADDRESS:	
		STREET 1:		4620 CREEKSTONE DRIVE
		STREET 2:		SUITE 200
		CITY:			DURHAM
		STATE:			NC
		ZIP:			27703
</SEC-HEADER>
<DOCUMENT>
<TYPE>POS AM
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<FILENAME>adhfx_f3a.htm
<DESCRIPTION>REGISTRATION STATEMENT AMENDMENT NO. 1
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<div style="TEXT-INDENT: 0pt; DISPLAY: block"><br>
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Chapel Hill, North Carolina 27714</font></div>

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<font style="FONT-WEIGHT: bold">(919) 636-4175</font></div>

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<div style="TEXT-INDENT: 27pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline; FONT-WEIGHT: bold">Approximate date of commencement of proposed sale to the public:</font>&#160;&#160;From time to time after the effective date of this Registration Statement.</font></div>

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<div style="TEXT-INDENT: 27pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">If only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box.&#160;&#160;<font style="DISPLAY: inline;" face="Wingdings">&#168;</font></font></div>

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<div style="TEXT-INDENT: 27pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.&#160;&#160;<font style="DISPLAY: inline;" face="Wingdings">&#168;</font></font></div>

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<div style="TEXT-INDENT: 27pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.&#160;&#160;<font style="DISPLAY: inline;" face="Wingdings">&#168;</font></font></div>

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<div style="TEXT-INDENT: 27pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">If this Form is a registration statement pursuant to General Instruction I.C. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box.&#160;&#160;<font style="DISPLAY: inline;" face="Wingdings">&#168;</font></font></div>

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<div style="TEXT-INDENT: 27pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.C. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box.&#160;&#160;<font style="DISPLAY: inline;" face="Wingdings">&#168;</font></font></div>

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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline; FONT-WEIGHT: bold">EXPLANATORY NOTE:</font>&#160;&#160; <font style="DISPLAY: inline; FONT-WEIGHT: bold">DEREGISTRATION OF SECURITIES</font></font></div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">&#160;</font></div>

<div style="TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">This Post-Effective Amendment No. 1 to Form F-3 Registration Statement relates to the Registration Statement on Form F-3 (File No. 333-134732) (the &#8220;Registration Statement&#8221;) of Adherex Technologies Inc. (&#8220;Registrant&#8221;) filed with the Securities and Exchange Commission (&#8220;SEC&#8221;) on June 5, 2006.&#160;&#160;The Registration Statement registered 10,543,882 shares of Registrant&#8217;s Common Stock, no par value, for resale, from time to time (the &#8220;Registered Shares&#8221;), by the selling stockholders named in the Registration Statement (the &#8220;Selling Stockholders&#8221;).&#160;&#160;The Registration Statement was declared effective on June 21, 2006.</font></div>

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<div style="TEXT-INDENT: 36pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">&#160;&#160;The Registration Statement was filed in connection with certain obligations of the Registrant to the Selling Stockholders to register the resale of the Registered Shares. The Registrant has no further obligation to maintain the effectiveness of the Registration Statement. Accordingly, the Registrant is filing this Post-Effective Amendment No. 1 in order to terminate the effectiveness of the Registration Statement and to remove from registration the Registered Shares that remain unsold under the Registration Statement as of the date hereof. The Registration Statement is hereby amended to reflect the deregistration of all such Registered Shares.</font></div>

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<div align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Rostislav Raykov,</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment No.1 has been signed below by the following persons in the capacities and on the date indicated.</font></div>

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<td align="left" valign="bottom" width="26%" style="BORDER-BOTTOM: black 2px solid">/s/ <font style="FONT-VARIANT: small-caps; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Rostislav Raykov</font></td>
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<td align="left" valign="bottom" width="25%" style="PADDING-BOTTOM: 2px">Chief Executive Officer (principal executive officer) and Director</td>
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<td valign="bottom" width="22%" style="TEXT-ALIGN: center; PADDING-BOTTOM: 2px">March 29, 2010</td>
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<td align="left" valign="top" width="26%">Rostislav Raykov</td>
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<td align="left" valign="bottom" width="26%" style="BORDER-BOTTOM: black 2px solid">/s/ <font style="FONT-VARIANT: small-caps; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Robert Andrade</font></td>
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<div>Chief Financial Officer (principal financial and accounting officer) and Director</div>
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<div>March 29, 2010</div>
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<td valign="top" width="26%" style="TEXT-ALIGN: left">Robert Andrade</td>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt">/s/ William G. Breen</font></font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Director</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">March 29, 2010</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">William G. Breen</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt">/s/ <font style="FONT-VARIANT: small-caps; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Claudio F. Bussandri</font></font></font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Director</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">March 29, 2010</font></div>
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<td valign="top" width="4%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></td>
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<td valign="top" width="26%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></td>
<td valign="top" width="2%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></td>
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<td valign="top" width="4%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></td>
<td valign="top" width="22%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></td>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Director</font></div>
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<td valign="top" width="4%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160; </font></td>
<td valign="top" width="22%">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">March 29, 2010</font></div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Robert W. Butts</font></div>
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<td valign="top" width="4%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></td>
<td valign="top" width="22%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></td>
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<td valign="top" width="4%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></td>
<td valign="top" width="22%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</font></td>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Director</font></div>
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<td valign="top" width="4%"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160; </font></td>
<td valign="top" width="22%">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">March 29, 2010</font></div>
</td>
</tr><tr>
<td align="left" valign="top" width="26%">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Arthur T. Porter</font></div>
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