RELATED PARTY TRANSACTIONS

9 Months Ended

Sep. 30, 2013

Related Party Transactions [Abstract]

RELATED PARTY TRANSACTIONS

RELATED PARTY TRANSACTIONS

Since June 2011, Gary Pace, a member of the Company’s board of directors, has provided consulting services for manufacturing-related activities. On September 11, 2013, the Company entered into a third amendment to its consulting agreement with Dr. Pace. Per the amended agreement, the monthly rate payable to Dr. Pace for his services was reduced from $15,000 to $5,000. The expenses incurred under the consulting arrangement for the three months ended September 30, 2013 and 2012 were less than $0.1 million. The expenses incurred under the consulting agreement for the nine months ended September 30, 2013 and 2012 were less than $0.2 million and $0.1 million, respectively. At both September 30, 2013 and December 31, 2012, the amount payable to Dr. Pace was less than $0.1 million.

The Company’s Chief Medical Officer, Gary Patou, is also a partner of MPM Asset Management, or MPM, a stockholder in the Company. The Company contracted with MPM for Dr. Patou’s services. On September 11, 2013, the Company entered into a third amendment to its services agreement with MPM. Per the amended agreement, the monthly service fee payable to MPM for Dr. Patou's services increased from approximately $16,000 to approximately $26,000. Expenses incurred by the Company relating to Dr. Patou’s services for the three months ended September 30, 2013 and 2012 were less than $0.1 million. The Company also incurred expenses relating to Dr. Patou’s services for the nine months ended September 30, 2013 and 2012 of $0.2 million and $0.3 million, respectively. At both September 30, 2013 and December 31, 2012, the amount payable to MPM was approximately $0.1 million.