Bioadhesive film for dermal and transdermal drug delivery. 2007

Cristina Padula, and Sara Nicoli, and Vincenzo Aversa, and Paolo Colombo, and Françoise Falson, and Fabrice Pirot, and Patrizia Santi
Dipartimento Farmaceutico, Università degli Studi di Parma, Viale G.P. Usberti 27/A, 43100 Parma, Italy.

This paper describes an innovative transdermal drug delivery system, a monolaminated bioadhesive film in which the usual constituents of transdermal patches (backing, drug and adhesive) have been condensed in one single layer, denominated Patch-non-Patch. The main characteristics of the film is that it is not self-adhesive in the dry state but becomes adhesive only when applied on wet skin. This characteristic is due to the presence of a small amount of adhesive, unable to make the system self-adhesive, but capable of restoring the adhesiveness in contact with a small amount of water. From the results obtained to date, it appears that the technology Patch-non-Patch has the potentiality to be successfully applied to the pharmaceutical and cosmetic market. On the skin the film is flexible, invisible and adapts to all skin irregularities. The system has been shown to be highly efficient, releasing a high percentage of the active included in most cases. Additionally, the inclusion of other excipients can modulate drug delivery, thus improving the versatility of the product. Finally, the second generation Patch-non-Patch, made occlusive on the skin surface, can further broaden the potential application.

UI MeSH Term Description Entries
D009779 Occlusive Dressings Material, usually gauze or absorbent cotton, used to cover and protect wounds, to seal them from contact with air or bacteria. (From Dorland, 27th ed) Bandages, Occlusive,Dressings, Occlusive,Dressings, Spray-On,Bandage, Occlusive,Dressing, Occlusive,Dressing, Spray-On,Dressings, Spray On,Occlusive Bandage,Occlusive Bandages,Occlusive Dressing,Spray-On Dressing,Spray-On Dressings
D010599 Pharmacokinetics Dynamic and kinetic mechanisms of exogenous chemical DRUG LIBERATION; ABSORPTION; BIOLOGICAL TRANSPORT; TISSUE DISTRIBUTION; BIOTRANSFORMATION; elimination; and DRUG TOXICITY as a function of dosage, and rate of METABOLISM. LADMER, ADME and ADMET are abbreviations for liberation, absorption, distribution, metabolism, elimination, and toxicology. ADME,ADME-Tox,ADMET,Absorption, Distribution, Metabolism, Elimination, and Toxicology,Absorption, Distribution, Metabolism, and Elimination,Drug Kinetics,Kinetics, Drug,LADMER,Liberation, Absorption, Distribution, Metabolism, Elimination, and Response
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000279 Administration, Cutaneous The application of suitable drug dosage forms to the skin for either local or systemic effects. Cutaneous Drug Administration,Dermal Drug Administration,Drug Administration, Dermal,Percutaneous Administration,Skin Drug Administration,Transcutaneous Administration,Transdermal Administration,Administration, Dermal,Administration, Transcutaneous,Administration, Transdermal,Cutaneous Administration,Cutaneous Administration, Drug,Dermal Administration,Drug Administration, Cutaneous,Skin Administration, Drug,Administration, Cutaneous Drug,Administration, Dermal Drug,Administration, Percutaneous,Administrations, Cutaneous,Administrations, Cutaneous Drug,Administrations, Dermal,Administrations, Dermal Drug,Administrations, Percutaneous,Administrations, Transcutaneous,Administrations, Transdermal,Cutaneous Administrations,Cutaneous Administrations, Drug,Cutaneous Drug Administrations,Dermal Administrations,Dermal Drug Administrations,Drug Administrations, Cutaneous,Drug Administrations, Dermal,Drug Skin Administrations,Percutaneous Administrations,Skin Administrations, Drug,Skin Drug Administrations,Transcutaneous Administrations,Transdermal Administrations
D001672 Biocompatible Materials Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function. Biomaterials,Bioartificial Materials,Hemocompatible Materials,Bioartificial Material,Biocompatible Material,Biomaterial,Hemocompatible Material,Material, Bioartificial,Material, Biocompatible,Material, Hemocompatible
D014014 Tissue Adhesives Substances used to cause adherence of tissue to tissue or tissue to non-tissue surfaces, as for prostheses. Adhesive, Tissue,Adhesives, Tissue,Tissue Adhesive
D016503 Drug Delivery Systems Systems for the delivery of drugs to target sites of pharmacological actions. Technologies employed include those concerning drug preparation, route of administration, site targeting, metabolism, and toxicity. Drug Targeting,Delivery System, Drug,Delivery Systems, Drug,Drug Delivery System,Drug Targetings,System, Drug Delivery,Systems, Drug Delivery,Targeting, Drug,Targetings, Drug

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