matrix formulation

https://doi.org/10.1351/goldbook.15207
Specific case of drug embedding in insoluble excipients (typically in a polymer) in order to achieve extended release.
Notes:
  1. Matrices can be monolithic or heterogeneous, dissolved or dispersed, or both.
  2. This term also applies to a matrix made of hydrophilic substances, which, in contact with water, form a gel of high viscosity.
Example: Matrix tablet.
See: embedding
Source:
PAC, 2009, 81, 971. (Glossary of terms related to pharmaceutics (IUPAC Recommendations 2009)) on page 990 [Terms] [Paper]
Citation: 'matrix formulation' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.15207 RIS BibTex EndNote
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