15177 IUPAC Gold Book - drug delivery system 10.1351/goldbook.15177 15177 current 1 Sophisticated dosage form, which, by its construction, is able to modify/control the availability of the drug substance to the body by temporal or spatial considerations. controlled release, extended release, delayed release, delayed action, dosage form, depot, embedding, gradual release, fast release or immediate release (i.e., conventional dosage form), implants, liposome, long-acting, modified release, prolonged action, pulsatile release, slow release. controlled release https://goldbook.iupac.org/terms/view/15163 delayed action https://goldbook.iupac.org/terms/view/15167 depot https://goldbook.iupac.org/terms/view/15169 dosage form https://goldbook.iupac.org/terms/view/15175 embedding https://goldbook.iupac.org/terms/view/15183 extended release https://goldbook.iupac.org/terms/view/15239 fast release https://goldbook.iupac.org/terms/view/15187 immediate release https://goldbook.iupac.org/terms/view/15198 modified release https://goldbook.iupac.org/terms/view/15212 PAC, 2009, 81, 971. 'Glossary of terms related to pharmaceutics (IUPAC Recommendations 2009)' on page 982 (https://doi.org/10.1351/PAC-REC-04-10-14) https://goldbook.iupac.org/terms/view/15177/html https://goldbook.iupac.org/terms/view/15177/json https://goldbook.iupac.org/terms/view/15177/plain Citation: 'drug delivery system' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.15177 The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. 2026-05-10T05:22:13+00:00