========================================================================== 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 Earliest Event Reported: April 19, 1999 MEDICIS PHARMACEUTICAL CORPORATION (Exact name of registrant as specified in its charter) Delaware 0-18443 52-1574808 (State or other (Commission (IRS Employer jurisdiction of file number) Identification No.) incorporation) 4343 East Camelback Road Phoenix, Arizona 85018 (Address of principal executive offices) (Zip code) Registrant's telephone number, including area code: (602) 808-8800 (Former Name or Former Address, if Changed Since Last Report) ========================================================================== Item 5. Other Events Effective as of April 1, 1999, the Registrant purchased all the issued and outstanding common stock of Ucyclyd Pharma, Inc. ("Ucyclyd"), a Maryland corporation (the "Acquisition") pursuant to a Stock Purchase Agreement by and among the Registrant, Ucyclyd and the Sellers signatory thereto. A description of the Acquisition is contained in the press release attached hereto as Exhibit 99.1 and incorporated herein by reference. Item 7. Financial Statements and Exhibits (c) Exhibits The following Exhibits are filed as part of this report: 99.1 - Press Release dated April 19, 1999. SIGNATURE 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 thereunto duly authorized. MEDICIS PHARMACEUTICAL CORPORATION /S/ MARK A. PRYGOCKI, SR. ----------------------------------- Mark A. Prygocki, Sr. Chief Financial Officer Date: April 22, 1999. EXHIBIT INDEX Exhibit Number Description - ------- ----------- 99.1 -- Press Release dated April 19, 1999.