UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 9, 2014

PACIRA PHARMACEUTICALS, INC.

(Exact name of registrant as specified in its charter)

5 Sylvan Way, Suite 100, Parsippany, New Jersey 07054
(Address of principal executive offices) (Zip Code)

(973) 254-3560
Registrant’s telephone number, including area code

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o   Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02. Results of Operations and Financial Condition.

On January 9, 2014, Pacira Pharmaceuticals, Inc. (“Pacira”) provided its unaudited EXPAREL® revenue estimates for the fourth quarter and full year 2013. Pacira expects approximately $30.5 million and $76.2 million in preliminary net revenue from sales of EXPAREL for the quarter and year ended December 31, 2013, respectively.

Pacira will provide final financial results and additional information on its financial performance in conjunction with the fourth quarter and year-end 2013 earnings press release and conference call in late February.

Safe Harbor

Certain of the statements made in this Current Report on Form 8-K are forward-looking statements for purposes of the safe harbor provisions under The Private Securities Litigation Reform Act of 1995, such as those relating to Pacira’s expected EXPAREL revenue. Actual results or developments may differ materially from those projected or implied in these forward-looking statements. Factors that may cause such a difference include the impact of general economic, industry or political conditions in the United States or internationally; the success of Pacira’s sales and manufacturing efforts in support of the commercialization of EXPAREL; the rate and degree of market acceptance of EXPAREL; the size and growth of potential markets for EXPAREL and Pacira’s ability to serve those markets; Pacira’s commercialization and marketing capabilities; and other factors discussed in the “Risk Factors” section of Pacira’s Annual Report on Form 10-K for the fiscal year ended December 31, 2012 and in other filings that Pacira periodically makes with the SEC. In addition, the forward-looking statements included in this Current Report on Form 8-K represent Pacira’s views as of the date of this Current Report on Form 8-K, and subsequent events and developments could cause its views to change. However, while Pacira may elect to update these forward-looking statements at some point in the future, Pacira specifically disclaims any obligation to do so. These forward-looking statements should not be relied upon as representing Pacira’s views as of any date subsequent to the date of this Current Report on Form 8-K.

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Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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