Objective: The recent study's objective was to optimize and formulate a controlled-release gastro-retentive floating tablet of RG using central composite design, which provides continuous release Repaglinide for up 24 h. Methods: (RG-GRF Tablet) prepared by direct compression method. optimization carried out three-factor three-level Central Composite design. amount Eudragit RSPO (A), HPMC K-100...