<SEC-DOCUMENT>0001104659-14-036199-index.html : 20140716
<SEC-HEADER>0001104659-14-036199.hdr.sgml : 20140716
<ACCEPTANCE-DATETIME>20140508094834
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001104659-14-036199
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20140508

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Radius Health, Inc.
		CENTRAL INDEX KEY:			0001428522
		STANDARD INDUSTRIAL CLASSIFICATION:	BLANK CHECKS [6770]
		IRS NUMBER:				800145732
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		ATTN: CHIEF FINANCIAL OFFICER
		STREET 2:		201 BROADWAY, 6TH FLOOR
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		617 425 9225

	MAIL ADDRESS:	
		STREET 1:		ATTN: CHIEF FINANCIAL OFFICER
		STREET 2:		201 BROADWAY, 6TH FLOOR
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MPM ACQUISITION CORP
		DATE OF NAME CHANGE:	20080228
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
</SEC-DOCUMENT>