<SEC-DOCUMENT>0001193805-19-000226-index.html : 20190219
<SEC-HEADER>0001193805-19-000226.hdr.sgml : 20190219
<ACCEPTANCE-DATETIME>20190219085116
ACCESSION NUMBER:		0001193805-19-000226
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190219
DATE AS OF CHANGE:		20190219
GROUP MEMBERS:		DEERFIELD MANAGEMENT COMPANY, L.P.
GROUP MEMBERS:		DEERFIELD MGMT, L.P.
GROUP MEMBERS:		DEERFIELD PARTNERS, L.P.
GROUP MEMBERS:		DEERFIELD SPECIAL SITUATIONS FUND, L.P.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARDELYX, INC.
		CENTRAL INDEX KEY:			0001437402
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-88209
		FILM NUMBER:		19613579

	BUSINESS ADDRESS:	
		STREET 1:		34175 ARDENWOOD BLVD.
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94555
		BUSINESS PHONE:		510-745-7047

	MAIL ADDRESS:	
		STREET 1:		34175 ARDENWOOD BLVD.
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94555

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NTERYX INC
		DATE OF NAME CHANGE:	20080611

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Flynn James E
		CENTRAL INDEX KEY:			0001352546

	FILING VALUES:
		FORM TYPE:		SC 13G

	MAIL ADDRESS:	
		STREET 1:		780 THIRD AVENUE
		STREET 2:		37TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>e618238_sc13g-ardelyx.htm
<TEXT>
Document 1 - file: e618238_sc13g-ardelyx.htm

</DOCUMENT>
</SEC-DOCUMENT>