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Sucampo Announces New Data on AMITIZA and Opioid-Induced Constipation Published Online in Pain Medicine Journal

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BETHESDA, Md., May 6, 2014 (GLOBE NEWSWIRE) -- Sucampo Pharmaceuticals, Inc. (Sucampo) (Nasdaq:SCMP), a global biopharmaceutical company, announced that its recent study, "A Randomized Study of Lubiprostone for Opioid-Induced Constipation in Patients with Chronic Noncancer Pain," has been published online in the medical journal, Pain Medicine. The study examines the efficacy and safety of AMITIZA ® (oral lubiprostone) for relieving symptoms of opioid-induced constipation (OIC) in chronic non-cancer pain.

"We are pleased that the first pivotal study of AMITIZA use in OIC patients has now been published and is available via Open Access at the website of Pain Medicine," said Taryn Joswick, VP of Clinical Development for Sucampo Pharma Americas. "As AMITIZA is the first oral medication approved in the U.S. for patients with chronic, non-cancer pain who suffer from OIC, this manuscript will provide important additional information for clinicians who are interested in understanding the safety and efficacy profile of the medication in this difficult-to-treat population."

The trial found that patients treated with lubiprostone showed significant overall improvement for abdominal discomfort, staining, constipation severity and stool consistency when compared to placebo. Patients rated the effectiveness of lubiprostone as significantly better than placebo for 11 of 12 week. The most common treatment-related adverse events with lubiprostone and placebo were nausea, diarrhea and abdominal distention.

About AMITIZA (lubiprostone)

Lubiprostone is available under the brand name AMITIZA in the U.S. AMITIZA capsules are indicated for the treatment of chronic idiopathic constipation (CIC) in adults and OIC in adults with chronic, non-cancer pain (24 mcg twice daily). The effectiveness in patients with OIC taking diphenylheptane opioids (e.g., methadone) has not been established. AMITIZA is also indicated for irritable bowel syndrome with constipation (IBS-C) in women > 18 years old (8 mcg twice daily).

Important Safety Information

  • AMITIZA (lubiprostone) is contraindicated in patients with known or suspected mechanical gastrointestinal obstruction. Patients with symptoms suggestive of mechanical gastrointestinal obstruction should be thoroughly evaluated by the treating healthcare provider (HCP) to confirm the absence of such an obstruction prior to initiating AMITIZA treatment.
  • Patients taking AMITIZA may experience nausea. If this occurs, concomitant administration of food with AMITIZA may reduce symptoms of nausea. Patients who experience severe nausea should inform their HCP.
  • AMITIZA should not be prescribed to patients that have severe diarrhea. Patients should be aware of the possible occurrence of diarrhea during treatment. Patients should be instructed to discontinue AMITIZA and inform their HCP if severe diarrhea occurs.
  • Patients taking AMITIZA may experience dyspnea within an hour of first dose. This symptom generally resolves within three hours, but may recur with repeat dosing. Patients who experience dyspnea should inform their HCP. Some patients have discontinued therapy because of dyspnea.
  • In clinical trials of AMITIZA (24 mcg twice daily vs placebo; N=1113 vs N=316, respectively) in patients with CIC, the most common adverse reactions (incidence > 4%) were nausea (29% vs 3%), diarrhea (12% vs < 1%), headache (11% vs 5%), abdominal pain (8% vs 3%), abdominal distension (6% vs 2%), and flatulence (6% vs 2%).
  • In clinical trials of AMITIZA (24 mcg twice daily vs. placebo; N=860 vs. N=632) in patients with OIC, the most common adverse reactions (incidence > 4%) were nausea (11% vs 5%) and diarrhea (8% vs 2%).
  • In clinical trials of AMITIZA (8 mcg twice daily vs. placebo; N=1011 vs. N=435, respectively) in patients with IBS-C the most common adverse reactions (incidence > 4%) were nausea (8% vs 4%), diarrhea (7% vs 4%), and abdominal pain (5% vs 5%).
  • Concomitant use of diphenylheptane opioids (e.g., methadone) may interfere with the efficacy of AMITIZA.
  • The safety of AMITIZA in pregnancy has not been evaluated in humans. Based on animal data, AMITIZA may cause fetal harm. AMITIZA should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. Caution should be exercised when AMITIZA is administered to a nursing woman. Advise nursing women to monitor infants for diarrhea.
  • Reduce the dosage in CIC and OIC patients with moderate and severe hepatic impairment. Reduce the dosage in IBS-C patients with severe hepatic impairment.

Please see the Full Prescribing Information here. For further information on AMITIZA, please visit www.sucampo.com/products.

About Sucampo Pharmaceuticals, Inc.

Sucampo Pharmaceuticals, Inc. is focused on the discovery, development and commercialization of drugs based on ion channel activators known as prostones. Prostones are naturally occurring fatty acid metabolites with unique physiological activities. Sucampo has two marketed products – AMITIZA® and RESCULA® – and a pipeline of prostone-based product candidates in clinical development. A global company, Sucampo is headquartered in Bethesda, Maryland, and has operations in Japan, Switzerland and the United Kingdom. For more information, please visit www.sucampo.com.

The Sucampo logo is the registered trademark and the tagline, The Science of Innovation, is a pending trademark of Sucampo AG. AMITIZA is a registered trademark of Sucampo AG. RESCULA is a registered trademark of R-Tech Ueno, Ltd, and has been licensed to Sucampo AG.

Sucampo Forward-Looking Statement

This press release contains "forward-looking statements" as that term is defined in the Private Securities Litigation Reform Act of 1995. These statements are based on management's current expectations and involve risks and uncertainties, which may cause results to differ materially from those set forth in the statements. The forward-looking statements may include statements regarding product development, product potential, future financial and operating results, and other statements that are not historical facts. The following factors, among others, could cause actual results to differ from those set forth in the forward-looking statements: the impact of pharmaceutical industry regulation and health care legislation; Sucampo's ability to accurately predict future market conditions; dependence on the effectiveness of Sucampo's patents and other protections for innovative products; the risk of new and changing regulation and health policies in the U.S. and internationally and the exposure to litigation and/or regulatory actions. No forward-looking statement can be guaranteed and actual results may differ materially from those projected. Sucampo undertakes no obligation to publicly update any forward-looking statement, whether as a result of new information, future events, or otherwise. Forward-looking statements in this presentation should be evaluated together with the many uncertainties that affect Sucampo's business, particularly those mentioned in the risk factors and cautionary statements in Sucampo's most recent Form 8-K and 10-K, which Sucampo incorporates by reference.

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CONTACT: Silvia Taylor Senior Vice President, Investor Relations and Corporate Communications Sucampo Pharmaceuticals, Inc. 1-240-223-3718 staylor@sucampo.com

Source:Sucampo Pharmaceuticals, Inc.