Rational Design of Topical Semi-Solid Dosage Forms-How Far Are We?

Specific aspects of semi-solid dosage forms for topical application include the nature of the barrier to be overcome, aspects of susceptibility to physical and chemical instability, and a greater influence of sensory perception. Advances in understanding the driving forces of skin penetration as wel...

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Main Authors: Michael E. Herbig, Dirk-Heinrich Evers, Sascha Gorissen, Melanie Köllmer
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Pharmaceutics
Subjects:
Online Access:https://www.mdpi.com/1999-4923/15/7/1822
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author Michael E. Herbig
Dirk-Heinrich Evers
Sascha Gorissen
Melanie Köllmer
author_facet Michael E. Herbig
Dirk-Heinrich Evers
Sascha Gorissen
Melanie Köllmer
author_sort Michael E. Herbig
collection DOAJ
description Specific aspects of semi-solid dosage forms for topical application include the nature of the barrier to be overcome, aspects of susceptibility to physical and chemical instability, and a greater influence of sensory perception. Advances in understanding the driving forces of skin penetration as well as the design principles and inner structure of formulations, provide a good basis for the more rational design of such dosage forms, which still often follow more traditional design approaches. This review analyses the opportunities and constraints of rational formulation design approaches in the industrial development of new topical drugs. As the selection of drug candidates with favorable physicochemical properties increases the speed and probability of success, models for drug selection based on theoretical and experimental approaches are discussed. This paper reviews how progress in the scientific understanding of mechanisms and vehicle-influence of skin penetration can be used for rational formulation design. The characterization of semi-solid formulations is discussed with a special focus on modern rheological approaches and analytical methods for investigating and optimizing the chemical stability of active ingredients in consideration of applicable guidelines. In conclusion, the combination of a good understanding of scientific principles combined with early consideration of regulatory requirements for product quality are enablers for the successful development of innovative and robust semi-solid formulations for topical application.
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spelling doaj.art-c6864d0e220e44d8a0cc7a72111ce1bc2023-11-18T20:54:20ZengMDPI AGPharmaceutics1999-49232023-06-01157182210.3390/pharmaceutics15071822Rational Design of Topical Semi-Solid Dosage Forms-How Far Are We?Michael E. Herbig0Dirk-Heinrich Evers1Sascha Gorissen2Melanie Köllmer3RaDes GmbH, Schnackenburgallee 114, 22525 Hamburg, GermanyRaDes GmbH, Schnackenburgallee 114, 22525 Hamburg, GermanyRaDes GmbH, Schnackenburgallee 114, 22525 Hamburg, GermanyRaDes GmbH, Schnackenburgallee 114, 22525 Hamburg, GermanySpecific aspects of semi-solid dosage forms for topical application include the nature of the barrier to be overcome, aspects of susceptibility to physical and chemical instability, and a greater influence of sensory perception. Advances in understanding the driving forces of skin penetration as well as the design principles and inner structure of formulations, provide a good basis for the more rational design of such dosage forms, which still often follow more traditional design approaches. This review analyses the opportunities and constraints of rational formulation design approaches in the industrial development of new topical drugs. As the selection of drug candidates with favorable physicochemical properties increases the speed and probability of success, models for drug selection based on theoretical and experimental approaches are discussed. This paper reviews how progress in the scientific understanding of mechanisms and vehicle-influence of skin penetration can be used for rational formulation design. The characterization of semi-solid formulations is discussed with a special focus on modern rheological approaches and analytical methods for investigating and optimizing the chemical stability of active ingredients in consideration of applicable guidelines. In conclusion, the combination of a good understanding of scientific principles combined with early consideration of regulatory requirements for product quality are enablers for the successful development of innovative and robust semi-solid formulations for topical application.https://www.mdpi.com/1999-4923/15/7/1822semi-solid formulationtopical deliverypre-formulationsolubilitysaturationskin penetration
spellingShingle Michael E. Herbig
Dirk-Heinrich Evers
Sascha Gorissen
Melanie Köllmer
Rational Design of Topical Semi-Solid Dosage Forms-How Far Are We?
Pharmaceutics
semi-solid formulation
topical delivery
pre-formulation
solubility
saturation
skin penetration
title Rational Design of Topical Semi-Solid Dosage Forms-How Far Are We?
title_full Rational Design of Topical Semi-Solid Dosage Forms-How Far Are We?
title_fullStr Rational Design of Topical Semi-Solid Dosage Forms-How Far Are We?
title_full_unstemmed Rational Design of Topical Semi-Solid Dosage Forms-How Far Are We?
title_short Rational Design of Topical Semi-Solid Dosage Forms-How Far Are We?
title_sort rational design of topical semi solid dosage forms how far are we
topic semi-solid formulation
topical delivery
pre-formulation
solubility
saturation
skin penetration
url https://www.mdpi.com/1999-4923/15/7/1822
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