Phase I Clinical Trial means a human clinical trial that is intended to initially evaluate the safety and/or pharmacological effect of a Product in subjects or that would otherwise satisfy requirements of 21 C.F.R. 312.21(a), or its foreign equivalent.
Phase I Clinical Study means a human clinical study of a product, the principal purpose of which is a preliminary determination of safety in healthy individuals or patients, as described in 21 C.F.R. 312.21(a).
Phase 4 Clinical Trial means a Clinical Trial of a Product conducted after Regulatory Approval of such Product has been obtained from an appropriate Regulatory Authority, which trial is (a) conducted voluntarily by a Party to enhance marketing or scientific knowledge of the Product, or (b) conducted due to a request or requirement of a Regulatory Authority.
Development Candidate means a Compound that meets the Development Candidate Criteria for the initiation of a Development Program for the treatment of CF, and which is the subject of a notice from Vertex to CFFT that Vertex intends to commence formal pre-clinical development of the Compound in the Field pursuant to the provisions of Section 3.1 hereof.
Collaboration Product means a pharmaceutical product containing or comprising Compound in any dosage form alone, or in combination with, one or more other pharmaceutically active ingredients, and any and all Improvements thereto.