BETHESDA, Md.--(BUSINESS WIRE)--Sucampo Pharma Europe Ltd., a subsidiary of Sucampo Pharmaceuticals, Inc. (NASDAQ: SCMP), today announced that Swissmedic, the Swiss Agency for Therapeutic Products, has granted a marketing authorization for Amitiza® (lubiprostone) 24 microgram (mcg) gel capsules for the long-term treatment of patients with chronic idiopathic constipation (CIC).