Change Order Form # 6

Exhibit 10.75


Change Order Form # 6


Change order under Agreement dated:  Third Amendment to Development and Clinical Supplies Agreement dated 29 September 2010


Between:  Radius Health, Inc and 3M


Project Name:  For the development of Radius’s BA-058 compound delivered via 3M’s Microstructured Transdermal Delivery System


Change requested by:  Radius


Name:  Gary Hattersley

Company:  Radius

Date:  1 June 2011


Description of change:


3M has been requested to add 5ºC

8-month stability pull for CM-10-00503

3-month stability pull for TM-10-00569

3-month stability pull for TM-10-00570

4-month stability pull for TM-10-00584

@ [*] each pull.*







In all other respects, the terms and conditions of the Agreement remain in full force and effect.

Requested task, dates and costs are approved by:


Company: Radius Health, Inc


Company: 3M

Name: Nick Harvey


Name: Mary Mathisen

Signature: /s/ Nick Harvey


Signature: /s/ Mary Mathisen

Position: CFO


Position: Commercialization Mgr

Date (dd/mm/yy): 6/16/11


Date (dd/mm/yy): 6/20/2011


* Confidential Treatment Requested by the Registrant.  Redact Portion Filed Separately with the Commission.