solubility enhancement
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2022 ◽  
pp. 115-132
Maryam Meshksar ◽  
Mohammad Amin Makarem ◽  
Zohreh-Sadat Hosseini ◽  
Mohammad Reza Rahimpour

Life Sciences ◽  
2022 ◽  
pp. 120301
Kifayat Ullah Khan ◽  
Muhammad Usman Minhas ◽  
Syed Faisal Badshah ◽  
Muhammad Suhail ◽  
Aousaf Ahmad ◽  

2021 ◽  
Vol 14 (11) ◽  
pp. 1201
Bharti Gupta ◽  
Varsha Mishra ◽  
Sankalp Gharat ◽  
Munira Momin ◽  
Abdelwahab Omri

One of the major impediments to drug development is low aqueous solubility and thus poor bioavailability, which leads to insufficient clinical utility. Around 70–80% of drugs in the discovery pipeline are suffering from poor aqueous solubility and poor bioavailability, which is a major challenge when one has to develop an ocular drug delivery system. The outer lipid layer, pre-corneal, dynamic, and static ocular barriers limit drug availability to the targeted ocular tissues. Biopharmaceutical Classification System (BCS) class II drugs with adequate permeability and limited or no aqueous solubility have been extensively studied for various polymer-based solubility enhancement approaches. The hydrophilic nature of cellulosic polymers and their tunable properties make them the polymers of choice in various solubility-enhancement techniques. This review focuses on various cellulose derivatives, specifically, their role, current status and novel modified cellulosic polymers for enhancing the bioavailability of BCS class II drugs in ocular drug delivery systems.

2021 ◽  
Vol 11 (5) ◽  

To improve the solubility enhancement of solid dispersion of Lopinavir by spray-drying by adding the Soluplus as polymer that is compatible with Lopinavir, was evaluated and the process used for preparation of Spray dried solid dispersion was validated and the 1:3 ratio used for preparation of solid dispersion. Dissolution tests were carried out on several spray dried solid dispersion of Lopinavir and physical mixture. The solid dispersion characterized by DSC, XRD, % Entrapment Efficiency, solubility study, drug content determination, practical yield, dissolution studies. Keyword: Lopinavir, Soluplus, Spray Drying Technique, Dissolution studies

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