Investigational new drug means a new drug or biological drug that is used in a clinical investigation. The term also includes a biological product that is used in vitro for diagnostic purposes. The terms investigational drug and investigational new drug are deemed to be synonymous for purposes of this part.b) The availability for public disclosure of all data and information in an investigational new drug application for a new drug will be handled in accordance with the provisions established in 314.430 for the confidentiality of data and information in applications submitted in part 314.
Pulmonary arterial hypertension (PAH) is a rare, progressive disorder characterized by high blood pressure (hypertension) in the arteries of the lungs (pulmonary artery) for no apparent reason. The pulmonary arteries are the blood vessels that carry blood from the right side of the heart through the lungs.
An orphan drug is a pharmaceutical agent that has been developed specifically to treat a rare medical condition, the condition itself being referred to as an orphan disease.n average the cost per patient for orphan drugs is six times that of non-orphan drugs, a clear indication of their pricing power.. Partly as a result of the 1983 US Orphan Drug Act, Japan adopted it in 1993 as did the European Union in 2000.