Alpharma Presents Data Addressing Abuse Liability Features, Safety and Efficacy on ALO-01 (EMBEDA(TM)) (morphine sulfate extended-release with sequestered naltrexone hydrochloride) at the American Pain Society Annual Scientif...(y patient diaries during thetreatment pe...),Health

Date:5/8/2008

y patient diaries during the treatment periods using the Brief Pain Inventory (BPI); and pre- and post-treatment scores using the Western Ontario and McMaster Universities (WOMAC) Osteoarthritis Index of pain, stiffness and function. Plasma levels were evaluated for morphine sulfate and naltrexone pre-dose and at specified intervals up to 12 hours post-dose on days seven and 14 of the treatment periods, and at the end of the study. Follow-up calls with patients a further seven days after the end of the study were conducted to assess the occurrence of any adverse events.

During treatment, ALO-01 was similar to extended-release morphine sulfate for mean pain intensity (2.3 to 2.4 at Day 14) and BPI (average 2.1 to 2.2). WOMAC scores were also comparable with composite indices of 24.5 for ALO-01 and 26.6 for extended-release morphine sulfate. Plasma concentrations of morphine were similar over time, and naltrexone levels at the end of each treatment period below a quantifiable limit for most patients (82.1 percent). In patients with detectable levels of naltrexone, there was no impact on pain scores. Adverse events were mostly mild to moderate, and included constipation (15.5 percent and 12.7 percent), nausea and somnolence (both 9.9 percent and 8.5 percent) for ALO-01 and extended-release morphine sulfate, respectively.

Statements made in this release include forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements, including those relating to future financial expectations, involve certain risks and uncertainties that could cause actual results to differ materially from those in the forward-looking statements. Information on other important potential risks and uncertainties not discussed herein may be found in the Company's filings with the Securities and Exchange Commission including its Form 10-K for the year ended December 31, 2007.

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