The one-drug-many-indications model has steadily grown in popularity since the early 2000s. But Irvine, California–headquartered Tarsus Pharmaceuticals is aiming to bring the model to XDEMVY (lotilaner), an antiparasitic drug that first won FDA-approval in dogs. After licensing lotilaner from Elanco, Tarsus won FDA approval for the drug, under the trade name XDEMVY, for the treatment…