Abstract
Solubility is a significant physicochemical parameter that affects the absorption, bioavailability and therapeutic effectiveness of any drug. Formulation development would fail if drug has a poor aqueous solubility. The low aqueous solubility of drug substances will lead to inadequate absorption and consequently, low bioavailability. Improvement of the aqueous solubility and dissolution rate of hydrophobic drugs remains one of the most difficult challenges in drug development process. Among various techniques used to improve poor aqueous solubility of drugs, solid dispersion technology has been extensively used in the literature and has become one of the well-established pharmaceutical procedures during formulation process. Although the technique seems to be “a part of the past”, literature tells us that it is still used and developed to suit current needs of pharmaceutical industry. This review article highlights recent advances in solid dispersion technology and its applications in contemporary pharmaceutical research. Peer Review History: Received 17 June 2017; Revised 25 June; Accepted 1 July, Available online 15 July 2017 Academic Editor: Dr. A.A. Mgbahurike, University of Port Harcourt, Nigeria, amaka_mgbahurike@yahoo.com UJPR follows the most transparent and toughest ‘Advanced OPEN peer review’ system. The identity of the authors and, reviewers will be known to each other. This transparent process will help to eradicate any possible malicious/purposeful interference by any person (publishing staff, reviewer, editor, author, etc) during peer review. As a result of this unique system, all reviewers will get their due recognition and respect, once their names are published in the papers. We expect that, by publishing peer review reports with published papers, will be helpful to many authors for drafting their article according to the specifications. Auhors will remove any error of their article and they will improve their article(s) according to the previous reports displayed with published article(s). The main purpose of it is ‘to improve the quality of a candidate manuscript’. Our reviewers check the ‘strength and weakness of a manuscript honestly’. There will increase in the perfection, and transparency. Received file: Reviewer's Comments: Average Peer review marks at initial stage: 6.0/10 Average Peer review marks at publication stage: 8.0/10 Reviewer(s) detail: Dr. Jennifer Audu-Peter, University of Jos, Nigeria, drambia44@gmail.com Dr. Mohammed Abdel-Wahab Sayed Abourehab, Umm Al-Qura University; Makkah Al-Mukarramah, Saudi Arabia, mohawahab2002@yahoo.com Similar Articles: FABRICATION AND CHARACTERIZATION OF EZETIMIBE SOLID DISPERSION FOR SOLUBILITY ENHANCEMENT DEVELOPMENT AND IN VITRO DISSOLUTION STUDY OF BINARY AND TERNARY SOLID DISPERSIONS OF ACECLOFENAC IN VITRO DISSOLUTION STUDY OF GLIMEPIRIDE FROM BINARY AND TERNARY SOLID DISPERSION FORMULATION This article has been cited by: Mahmoud A. Younis Helal F. Hetta Mohamed A. Y. Abdel-Malek Hassan Refat H. Ali Noha N. Atia Hesham M. Tawfeek. Combining acetyl salicylic acid and rofecoxib into novel oral tablets normalize platelet function with potential higher tolerability in patients with cardiovascular disorders . Journal of Drug Delivery Science and Technology Volume 59, October 2020, 101851.Pubmed
Highlights
Solubility is a significant physicochemical parameter that affects the absorption, bioavailability and therapeutic effectiveness of any drug
Scientists have developed several approaches to overcome solubility problems including the use of surfactants[3], cosolvents[3], inclusion complexes[4], self-emulsifying systems[5], prodrugs[6] and micro-environmental buffering systems[7]
History and definitions of solid dispersion technology In 1961, Sekiguchi and Obi[9] first used solid dispersions technology to increase the dissolution and oral absorption of poorly water-soluble drugs. They assumed the formation of an eutectic mixture of a poorly water-soluble drug with a physiologically inert, hydrophilic carrier
Summary
Solubility is a significant physicochemical parameter that affects the absorption, bioavailability and therapeutic effectiveness of any drug. Class A–C: Amorphous API dispersed in polymer, it can be classified as a "solid solution", crystalline carrier. Advantages of solid dispersion technology The major advantage of solid dispersions is that they improve the solubility of poorly water soluble drugs in pharmaceutical dosage forms which results in rapid dissolution rates and improved bioavailability of drugs.
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