Complex sentence: Such a therapy has revolutionized the treatment of peptic ulcers and has made a cure to the disease possible; previously, the only option was symptom control using antacids, H 2-antagonists or proton pump inhibitors alone.
Split into simpler sentences: Such a therapy has revolutionized the treatment of peptic ulcers and has made a cure to the disease possible. Previously, the only option was symptom control using antacids, H 2-antagonists or proton pump inhibitors alone.