Participant will take up to 4 capsules or tablets of LDE225 by mouth 1 time every day. Participant's doctor will tell participant how many capsules/tablets participant will need to take. Participant should take the study drug each time with a glass of water (about 8 ounces total) at the same time every day. Participant should swallow the study drug whole, one capsule/tablet every 2 minutes, without chewing or opening the study drug. Participant should eat a light breakfast (such as toast and jam) at least 2 hours before taking the study drug, then participant should not eat or drink anything for at least 1 hour after the dose.