Iloprost, an inhalation solution, is sold under the name Ventavis® and is used to treat pulmonary arterial hypertension (PAH). It was developed by the pharmaceutical company Schering AG and is marketed by Schering AG in Europe and Actelion Pharmaceuticals in the USA.

A substance that is being studied in the prevention of lung cancer. It belongs to the family of drugs called prostaglandin analogs.