SECOND ADDENDUM TO SUBLEASE

EXHIBIT 10.41

Xxxxx Xxxx				Xxxxx Lang LaSalle
LaSalle				0000 Xxxx Xxxx Xxxxx 000 Xxxx Xxxx XX 00000 tel x0 000 000 0000 fax x0 000 000 0000

SECOND ADDENDUM TO SUBLEASE

THIS ADDENDUM IS DATED 12 January 2011 (Effective Date) by and between MILLIPORE CORPORATION, as successor in interest to Guava Technologies Inc. (SUBLESSOR) AND ANTHERA PHARMACEUTICALS, INC. (SUBLESSEE)

WHEREAS, on or about August 1, 2008, Sublessor and Subleasee entered into a lease agreement for the sublease of real estate located at 00000 Xxxxxxxxxx Xxxxx, Xxxxxxx, XX (“Sublease”).

WHEREAS, on or about September 24, 2010, Sublessor and Subleasee entered into a first addendum to the Sublease of real estate located at 00000 Xxxxxxxxxx Xxxxx, Xxxxxxx, XX (“First Addendum”).

WHEREAS, the parties desire to extend the term of the Sublease.

NOW THEREFORE, the parties agree as follows:

1. The term of the Sublease shall be extended until July 31, 2011.

All other terms of the Sublease shall remain the same.

Acceptance

Sublessor:     Millipore Corporation

By: /s/ Xxxxxxx Xxxxxxx Date: 2/23/11

Sublessee:      Anthera Corporation

By: /s/ Xxxxx Xxxx Date: 1/12/11