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Current Drug Delivery

Editor-in-Chief

ISSN (Print): 1567-2018
ISSN (Online): 1875-5704

Chronotherapeutic Drug Delivery Systems - An Approach to Circadian Rhythms Diseases

Author(s): S. A. Sunil, M. V. Srikanth, N. Sreenivasa Rao, M. U. Uhumwangho, K. Latha and K. V. Ramana Murthy

Volume 8, Issue 6, 2011

Page: [622 - 633] Pages: 12

DOI: 10.2174/156720111797635559

Price: $65

Abstract

The purpose of writing this review on chronotherapeutic drug delivery systems (ChrDDs) is to review the literatures with special focus on ChrDDs and the various dosage forms, techniques that are used to target the circadian rhythms (CR) of various diseases. Many functions of the human body vary considerably in a day. ChrDDs refers to a treatment method in which in vivo drug availability is timed to match circadian rhythms of disease in order to optimize therapeutic outcomes and minimize side effects. Several techniques have been developed but not many dosage forms for all the diseases are available in the market. ChrDDs are gaining importance in the field of pharmaceutical technology as these systems reduce dosing frequency, toxicity and deliver the drug that matches the CR of that particular disease when the symptoms are maximum to worse. Finally, the ultimate benefit goes to the patient due the compliance and convenience of the dosage form. Some diseases that follow circadian rhythms include cardiovascular diseases, asthma, arthritis, ulcers, diabetes etc. ChrDDs in the market were also discussed and the current technologies used to formulate were also stated. These technologies include Contin® , Chronotopic®, Pulsincaps®, Ceform®, Timerx®, Oros®, Codas®, Diffucaps®, Egalet®, Tablet in capsule device, Core-in-cup tablet technology, A coated drug-core tablet matrix, A bi-layered tablet, Multiparticulate-based chronotherapeutic drug delivery systems, Chronoset and Controlled release microchips.

Keywords: Chronopharmacokinetics, chronotherapeutic drug delivery systems, circadian rhythms, Chronobiology, Chronotherapy, Chronopharmaceutics, Diseases, Current technologies, Marketed dosage forms


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