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  • Review
  • Open Access
29 Citations
10,733 Views
35 Pages

Amorphous Solid Dispersion as Drug Delivery Vehicles in Cancer

  • Arif Budiman,
  • Annisa Luthfiyah Handini,
  • Mutia Nur Muslimah,
  • Neng Vera Nurani and ,
  • Eli Laelasari,
  • Insan Sunan Kurniawansyah and
  • Diah Lia Aulifa
  • + 2 authors+ 0 author

11 August 2023

Cancer treatment has improved over the past decades, but a major challenge lies in drug formulation, specifically for oral administration. Most anticancer drugs have poor water solubility which can affect their bioavailability. This causes suboptimal...

(This article belongs to the Section Biobased and Biodegradable Polymers)
  • Article
  • Open Access
21 Citations
6,697 Views
14 Pages

Oral Delivery of Niclosamide as an Amorphous Solid Dispersion That Generates Amorphous Nanoparticles during Dissolution

  • Miguel O. Jara,
  • Zachary N. Warnken,
  • Sawittree Sahakijpijarn,
  • Rishi Thakkar and ,
  • Vineet R. Kulkarni,
  • Dale J. Christensen,
  • John J. Koleng and
  • Robert O. Williams
  • + 3 authors+ 0 author

Niclosamide is an FDA-approved anthelmintic that is being studied in clinical trials as a chemotherapeutic and broad-spectrum antiviral. Additionally, several other applications are currently in the preclinical stage. Unfortunately, niclosamide is a...

(This article belongs to the Special Issue Recent Advances in Amorphous Drug)
  • Article
  • Open Access
52 Citations
8,248 Views
18 Pages

RETRACTED: Preparation and Characterization of Spherical Amorphous Solid Dispersion with Amphotericin B

  • Lyes Mehenni,
  • Malika Lahiani-Skiba,
  • Guy Ladam,
  • François Hallouard and
  • Mohamed Skiba

In the present study, new polymer microspheres of amphotericin B (AmB) were prepared by a spray drying technique using cyclodextrin polymers (Poly-CD) to improve the solubility and dissolution of AmB, to prevent in vivo toxic AmB aggregations. Formul...

(This article belongs to the Special Issue Cyclodextrins in Drug Formulation and Delivery)
  • Article
  • Open Access
9 Citations
4,965 Views
15 Pages

Loratadine (LRD), a non-sedating and slow-acting antihistamine, is often given in combination with short-onset chlorpheniramine maleate (CPM) to increase efficacy. However, LRD has poor water solubility resulting in low bioavailability. The aim of th...

(This article belongs to the Section Physical Pharmacy and Formulation)
  • Article
  • Open Access
42 Citations
9,284 Views
15 Pages

Orally Disintegrating Tablets Containing Melt Extruded Amorphous Solid Dispersion of Tacrolimus for Dissolution Enhancement

  • Poovizhi Ponnammal,
  • Parijat Kanaujia,
  • Yin Yani,
  • Wai Kiong Ng and
  • Reginald B. H. Tan

In order to improve the aqueous solubility and dissolution of Tacrolimus (TAC), amorphous solid dispersions of TAC were prepared by hot melt extrusion with three hydrophilic polymers, Polyvinylpyrrolidone vinyl acetate (PVP VA64), Soluplus® and Hydro...

(This article belongs to the Special Issue Dissolution Enhancement of Poorly Soluble Drugs)
  • Article
  • Open Access
35 Citations
8,887 Views
17 Pages

9 November 2017

Epigallocatechin gallate (EGCG) has been recognized as the most prominent green tea extract due to its healthy influences. The high instability and low bioavailability, however, strongly limit its utilization in food and drug industries. This work, f...

  • Article
  • Open Access
35 Citations
9,367 Views
25 Pages

The Investigation of Flory–Huggins Interaction Parameters for Amorphous Solid Dispersion Across the Entire Temperature and Composition Range

  • Yiwei Tian,
  • Kaijie Qian,
  • Esther Jacobs,
  • Esther Amstad and ,
  • David S. Jones,
  • Lorenzo Stella and
  • Gavin P. Andrews
  • + 2 authors+ 0 author

Amorphous solid dispersion (ASD) is one of the most promising enabling formulations featuring significant water solubility and bioavailability enhancements for biopharmaceutical classification system (BCS) class II and IV drugs. An accurate thermodyn...

  • Article
  • Open Access
1 Citations
1,183 Views
22 Pages

Amorphous Solid Dispersion Hydrogel Platform for Transdermal Delivery of Cannabidiol with Therapeutic Potential for Dermatitis

  • Badmaarag-Altai Chuluunbaatar,
  • Yujin Jeong,
  • Jieun Ok,
  • Yujin Song and ,
  • Jae Woon Son,
  • Ji-Hyun Kang,
  • Wonwoong Lee and
  • Kyung Hyun Min
  • + 3 authors+ 0 author

Background/Objectives: Cannabis sativa is the source of cannabidiol (CBD), a non-intoxicating phytocannabinoid with analgesic and anti-inflammatory qualities that has demonstrated therapeutic potential in inflammatory skin conditions like dermatitis....

(This article belongs to the Special Issue Recent Advances in Controlled Release and Targeted Drug Delivery Formulations for Improved Efficacy and Reduced Side Effects)
  • Article
  • Open Access
47 Citations
8,030 Views
15 Pages

Preparation of Azithromycin Amorphous Solid Dispersion by Hot-Melt Extrusion: An Advantageous Technology with Taste Masking and Solubilization Effects

  • Jiale Li,
  • Conghui Li,
  • Hui Zhang,
  • Xiang Gao and ,
  • Ting Wang,
  • Zengming Wang and
  • Aiping Zheng
  • + 2 authors+ 0 author

26 January 2022

Azithromycin (AZI) is one of the most commonly used macrolide antibiotics in children, but has the disadvantages of a heavy bitter taste and poor solubility. In order to solve these problems, hot-melt extrusion (HME) was used to prepare azithromycin...

(This article belongs to the Section Biobased and Biodegradable Polymers)
  • Review
  • Open Access
20 Citations
3,972 Views
21 Pages

Advancing the Physicochemical Properties and Therapeutic Potential of Plant Extracts Through Amorphous Solid Dispersion Systems

  • Arif Budiman,
  • Nur Parida Mahdhani Hafidz,
  • Raden Siti Salma Azzahra,
  • Salma Amaliah and ,
  • Feggy Yustika Sitinjak,
  • Agus Rusdin,
  • Laila Subra and
  • Diah Lia Aulifa
  • + 3 authors+ 0 author

14 December 2024

Plant extracts demonstrate significant potential as a rich source of active pharmaceutical ingredients, exhibiting diverse biological activities and minimal toxicity. However, the low aqueous solubility of extracts and their gastrointestinal permeabi...

(This article belongs to the Special Issue Sustainable Polymer Composites from Renewable Resources: Functionality and Applications)
  • Article
  • Open Access
1 Citations
1,886 Views
22 Pages

Impact of Different Surfactants on Oral Bioavailability of Paclitaxel/HPMC-AS Amorphous Solid Dispersion

  • Chenzhao Zhang,
  • Siyi Mao,
  • Jinhua Yuan,
  • Xiuzhen Ma and ,
  • Aiya Xing,
  • Xiaoling Liu and
  • Yuejie Chen
  • + 2 authors+ 0 author

Objectives: Surfactants are commonly incorporated into amorphous solid dispersions (ASDs) to improve manufacturing and enhance the dissolution of poorly water-soluble drugs. However, their impact on in vitro dissolution, in vivo bioavailability, and...

(This article belongs to the Section Physical Pharmacy and Formulation)
  • Article
  • Open Access
5 Citations
4,181 Views
26 Pages

Bulk Flow Optimisation of Amorphous Solid Dispersion Excipient Powders through Surface Modification

  • Danni Suhaidi,
  • Yao-Da Dong,
  • Paul Wynne,
  • Karen P. Hapgood and
  • David A. V. Morton

Particulate amorphous solid dispersions (ASDs) have been recognised for their potential to enhance the performance of various solid dose forms, especially oral bioavailability and macromolecule stability. However, the inherent nature of spray-dried A...

(This article belongs to the Special Issue Recent Advances in Secondary Processing of Pharmaceutical Powders)
  • Article
  • Open Access
4 Citations
4,184 Views
24 Pages

High Drug Loading of Amorphous Solid Dispersion by Hot Melt Extrusion: The Role of Magnesium Aluminometasilicate (Neusilin® US2)

  • Nithin Vidiyala,
  • Pavani Sunkishala,
  • Prashanth Parupathi,
  • Preethi Mandati and ,
  • Srujan Kumar Mantena,
  • Raghu Rami Reddy Kasu and
  • Dinesh Nyavanandi
  • + 2 authors+ 0 author

The objective of the current research is to investigate the role of Neusilin US2 as a porous carrier for improving the drug loading and stability of Ezetimibe (EZB) by hot melt extrusion (HME). The amorphous solid dispersions (ASDs) were developed fr...

  • Article
  • Open Access
4 Citations
3,185 Views
17 Pages

Background/Objectives: Brick dust molecules exhibit high melting points and ultralow solubility. Overcoming this solubility issue is challenging. Previously, we formulated a co-amorphous system for a neuropeptide Y5 receptor antagonist (NP) as a bric...

(This article belongs to the Section Physical Pharmacy and Formulation)
  • Article
  • Open Access
10 Citations
6,415 Views
22 Pages

Amorphous Solid Dispersion Tablets Overcome Acalabrutinib pH Effect in Dogs

  • Deanna M. Mudie,
  • Aaron M. Stewart,
  • Jesus A. Rosales,
  • Nishant Biswas and ,
  • Molly S. Adam,
  • Adam Smith,
  • Christopher D. Craig,
  • Michael M. Morgen and
  • David T. Vodak
  • + 4 authors+ 0 author

Calquence® (crystalline acalabrutinib), a commercially marketed tyrosine kinase inhibitor (TKI), exhibits significantly reduced oral exposure when taken with acid-reducing agents (ARAs) due to the low solubility of the weakly basic drug at elevated g...

(This article belongs to the Special Issue Solid Dispersions for Drug Delivery: Applications and Preparation Methods)
  • Article
  • Open Access
21 Citations
5,656 Views
17 Pages

Myth or Truth: The Glass Forming Ability Class III Drugs Will Always Form Single-Phase Homogenous Amorphous Solid Dispersion Formulations

  • Piyush Panini,
  • Massimiliano Rampazzo,
  • Abhishek Singh,
  • Filip Vanhoutte and
  • Guy Van den Mooter

The physical stability of amorphous solid dispersions (ASD) of active pharmaceutical ingredients (APIs) of high glass forming ability (GFA class III) is generally expected to be high among the scientific community. In this study, the ASD of ten-selec...

(This article belongs to the Special Issue Advances in Amorphous Drug Formulations)
  • Article
  • Open Access
46 Citations
5,416 Views
20 Pages

2 December 2022

The present study reports amorphous solid dispersions (ASDs) of hesperidin (Hes) prepared by ball milling to improve its solubility and apparent solubility over the unmodified compound. The carriers were Soluplus® (Sol), alginate sodium (SA), and...

(This article belongs to the Section Bioactives and Nutraceuticals)
  • Article
  • Open Access
9 Citations
3,121 Views
11 Pages

23 July 2021

The present study aimed to develop an amorphous solid dispersion of nobiletin (ASD/NOB) using hydroxypropyl cellulose-SSL (HPC-SSL) to improve the pharmacokinetic properties and hypouricemic effect of NOB. ASD/NOB was prepared by the freeze-drying me...

  • Article
  • Open Access
4 Citations
4,209 Views
23 Pages

This study compares the effects of pre-processing multiple polymers together to form a single-phase polymer alloy prior to amorphous solid dispersion formulation. KinetiSol compounding was used to pre-process a 1:1 (w/w) ratio of hypromellose acetate...

(This article belongs to the Section Drug Discovery, Development and Delivery)
  • Article
  • Open Access
27 Citations
9,715 Views
20 Pages

A Repurposed Drug for Brain Cancer: Enhanced Atovaquone Amorphous Solid Dispersion by Combining a Spontaneously Emulsifying Component with a Polymer Carrier

  • Hiroyuki Takabe,
  • Zachary N. Warnken,
  • Yajie Zhang,
  • Daniel A. Davis and ,
  • Hugh D. C. Smyth,
  • John G. Kuhn,
  • Steve Weitman and
  • Robert O. Williams III
  • + 3 authors+ 0 author

Glioblastoma multiforme (GBM) is the most common and lethal central nervous system tumor. Recently, atovaquone has shown inhibition of signal transducer and activator transcription 3, a promising target for GBM therapy. However, it is currently unabl...

(This article belongs to the Special Issue Pharmaceutical Applications of Hot-melt Extrusion)
  • Article
  • Open Access
22 Citations
5,283 Views
18 Pages

Candesartan cilexetil (CC), a prodrug and highly effective antihypertensive agent, is a poorly soluble (BCS Class II) drug with limited bioavailability. Here, we attempted to improve CC’s bioavailability by formulating several CC-loaded amorphous sol...

(This article belongs to the Special Issue Drug Absorption Studies: In Situ, In Vitro and In Silico Models)
  • Review
  • Open Access
72 Citations
11,568 Views
26 Pages

Advancing Drug Delivery Paradigms: Polyvinyl Pyrolidone (PVP)-Based Amorphous Solid Dispersion for Enhanced Physicochemical Properties and Therapeutic Efficacy

  • Agus Rusdin,
  • Amirah Mohd Gazzali,
  • Nur Ain Thomas,
  • Sandra Megantara and ,
  • Diah Lia Aulifa,
  • Arif Budiman and
  • Muchtaridi Muchtaridi
  • + 2 authors+ 0 author

20 January 2024

Background: The current challenge in drug development lies in addressing the physicochemical issues that lead to low drug effectiveness. Solubility, a crucial physicochemical parameter, greatly influences various biopharmaceutical aspects of a drug,...

(This article belongs to the Special Issue Polymeric Materials for Drug Delivery II)
  • Article
  • Open Access
15 Citations
6,822 Views
13 Pages

Characterization of Amorphous Solid Dispersion of Pharmaceutical Compound with pH-Dependent Solubility Prepared by Continuous-Spray Granulator

  • Ryoma Tanaka,
  • Yusuke Hattori,
  • Yukun Horie,
  • Hitoshi Kamada and ,
  • Takuya Nagato and
  • Makoto Otsuka
  • + 1 author+ 0 author

A continuous-spray granulator (CTS-SGR) is a one-step granulation technology capable of using solutions or suspensions. The present research objectives were, (1) to reduce the manufacturing operations for solid dosage formulations, (2) to make amorph...

(This article belongs to the Special Issue Recent Progress in Solid Dispersion Technology)
  • Article
  • Open Access
7 Citations
7,270 Views
26 Pages

In Vitro-In Silico Tools for Streamlined Development of Acalabrutinib Amorphous Solid Dispersion Tablets

  • Deanna M. Mudie,
  • Aaron M. Stewart,
  • Jesus A. Rosales,
  • Molly S. Adam and ,
  • Michael M. Morgen and
  • David T. Vodak
  • + 1 author+ 0 author

Amorphous solid dispersion (ASD) dosage forms can improve the oral bioavailability of poorly water-soluble drugs, enabling the commercialization of new chemical entities and improving the efficacy and patient compliance of existing drugs. However, th...

(This article belongs to the Special Issue Solid Dispersions for Drug Delivery: Applications and Preparation Methods)
  • Article
  • Open Access
19 Citations
6,443 Views
32 Pages

Effects of Ultrasonic Dispersion Energy on the Preparation of Amorphous SiO2 Nanomaterials for In Vitro Toxicity Testing

  • Martin Wiemann,
  • Antje Vennemann,
  • Michael Stintz,
  • Rodrigo R. Retamal Marín and ,
  • Frank Babick,
  • Gottlieb-Georg Lindner,
  • Tobias B. Schuster,
  • Ulrich Brinkmann and
  • Nils Krueger
  • + 4 authors+ 0 author

22 December 2018

Synthetic amorphous silica (SAS) constitute a large group of industrial nanomaterials (NM). Based on their different production processes, SAS can be distinguished as precipitated, fumed, gel and colloidal. The biological activity of SAS, e.g., cytot...

  • Article
  • Open Access
41 Citations
5,831 Views
14 Pages

Effect of Drug–Polymer Interaction in Amorphous Solid Dispersion on the Physical Stability and Dissolution of Drugs: The Case of Alpha-Mangostin

  • Arif Budiman,
  • Neng Vera Nurani,
  • Eli Laelasari,
  • Muchtaridi Muchtaridi and ,
  • Sriwidodo Sriwidodo and
  • Diah Lia Aulifa
  • + 1 author+ 0 author

13 July 2023

Improving drug solubility is necessary for formulations of poorly water-soluble drugs, especially for oral administration. Amorphous solid dispersions (ASDs) are widely used in the pharmaceutical industry to improve the physical stability and solubil...

(This article belongs to the Section Polymer Applications)
  • Review
  • Open Access
28 Citations
5,204 Views
33 Pages

Biocompatible Natural Polymer-Based Amorphous Solid Dispersion System Improving Drug Physicochemical Properties, Stability, and Efficacy

  • Arif Budiman,
  • Helen Ivana,
  • Kelly Angeline Huang,
  • Stella Aurelia Huang and ,
  • Mazaya Salwa Nadhira,
  • Agus Rusdin and
  • Diah Lia Aulifa
  • + 2 authors+ 0 author

28 July 2025

Poor aqueous solubility still disqualifies many promising drug candidates at late stages of development. Amorphous solid dispersion (ASD) technology solves this limitation by trapping the active pharmaceutical ingredient (API) in a high-energy, non-c...

(This article belongs to the Section Biobased and Biodegradable Polymers)
  • Article
  • Open Access
75 Citations
10,903 Views
15 Pages

Polymer–Surfactant System Based Amorphous Solid Dispersion: Precipitation Inhibition and Bioavailability Enhancement of Itraconazole

  • Disang Feng,
  • Tingting Peng,
  • Zhengwei Huang,
  • Vikramjeet Singh and ,
  • Yin Shi,
  • Ting Wen,
  • Ming Lu,
  • Guilan Quan,
  • Xin Pan and
  • Chuanbin Wu
  • + 5 authors+ 0 author

The rapid release of poorly water-soluble drugs from amorphous solid dispersion (ASD) is often associated with the generation of supersaturated solution, which provides a strong driving force for precipitation and results in reduced absorption. Preci...

(This article belongs to the Special Issue Pharmaceutical Applications of Hot-melt Extrusion)
  • Review
  • Open Access
45 Citations
7,838 Views
27 Pages

Drug-Rich Phases Induced by Amorphous Solid Dispersion: Arbitrary or Intentional Goal in Oral Drug Delivery?

  • Kaijie Qian,
  • Lorenzo Stella,
  • David S. Jones,
  • Gavin P. Andrews and ,
  • Huachuan Du and
  • Yiwei Tian
  • + 1 author+ 0 author

Among many methods to mitigate the solubility limitations of drug compounds, amorphous solid dispersion (ASD) is considered to be one of the most promising strategies to enhance the dissolution and bioavailability of poorly water-soluble drugs. The e...

(This article belongs to the Special Issue Solid Dispersions for Drug Delivery: Applications and Preparation Methods)
  • Article
  • Open Access
6 Citations
1,825 Views
17 Pages

Investigating the Potential of Poly(2-ethyl-2-oxazoline) and Its Polymer Blends for Enhancing Fenofibrate Amorphous Solid Dispersion Dissolution Profile

  • Ziru Zhang,
  • Rasha M. Elkanayati,
  • Sheng Feng,
  • Indrajeet Karnik and ,
  • Sateesh Kumar Vemula and
  • Michael A. Repka
  • + 1 author+ 0 author

23 September 2025

Background/Objectives: This study aimed to develop a novel amorphous solid dispersion (ASD) platform using poly(2-ethyl-2-oxazoline) (PEtOx) for the solubility enhancement of poorly water-soluble drugs. Fenofibrate (FB), a Biopharmaceutics Classifica...

(This article belongs to the Special Issue Emerging Strategies to Enhance Solubility of Poorly Soluble Drugs: From Nanosystems to Molecular Innovations)
  • Article
  • Open Access
21 Citations
7,510 Views
15 Pages

Development and Characterization of an Amorphous Solid Dispersion of Furosemide in the Form of a Sublingual Bioadhesive Film to Enhance Bioavailability

  • Viviana De Caro,
  • Alessia Ajovalasit,
  • Flavia Maria Sutera,
  • Denise Murgia and ,
  • Maria Antonietta Sabatino and
  • Clelia Dispenza
  • + 1 author+ 0 author

Administered by an oral route, Furosemide (FUR), a diuretic used in several edematous states and hypertension, presents bioavailability problems, reported as a consequence of an erratic gastrointestinal absorption due to various existing polymorphic...

  • Review
  • Open Access
24 Citations
5,629 Views
33 Pages

24 September 2025

Amorphous solid dispersions (ASDs) represent a promising formulation strategy for improving the solubility and bioavailability of poorly water-soluble drugs, a major challenge in pharmaceutical development. This review provides a comprehensive analys...

(This article belongs to the Special Issue Advances in Solid and Semi-Solid Dosage Form Design for Enhanced Biopharmaceutical Performance)
  • Article
  • Open Access
11 Citations
2,557 Views
19 Pages

The Excellent Chemical Interaction Properties of Poloxamer and Pullulan with Alpha Mangostin on Amorphous Solid Dispersion System: Molecular Dynamics Simulation

  • Agus Rusdin,
  • Muchtaridi Muchtaridi,
  • Sandra Megantara,
  • Yoga Windhu Wardhana and ,
  • Taufik Muhammad Fakih and
  • Arif Budiman
  • + 1 author+ 0 author

31 October 2024

Background: Alpha mangostin (AM) has demonstrated significant potential as an anticancer agent, owing to its potent bioactivity. However, its clinical application is limited by poor solubility, which hampers its bioavailability and effectiveness. Amo...

(This article belongs to the Special Issue Biomedical Applications of Polymeric Materials II)
  • Article
  • Open Access
10 Citations
3,555 Views
20 Pages

Effect of Span 20 Feeding Zone in the Twin Screw Extruder on the Properties of Amorphous Solid Dispersion of Ritonavir

  • Hengqian Wu,
  • Zhengping Wang,
  • Yanna Zhao,
  • Yan Gao and ,
  • Heng Zhang,
  • Lili Wang,
  • Zhe Wang and
  • Jun Han
  • + 3 authors+ 0 author

A ternary amorphous solid dispersion (ASD) system consisting of drug/polymer/surfactant is receiving increased attention to improve the oral bioavailability of poorly water-soluble drugs. The effect of polymers has been extensively studied, while the...

(This article belongs to the Section Physical Pharmacy and Formulation)
  • Article
  • Open Access
15 Citations
6,662 Views
25 Pages

Thermodynamic Modeling of the Amorphous Solid Dispersion-Water Interfacial Layer and Its Impact on the Release Mechanism

  • Stefanie Dohrn,
  • Samuel O. Kyeremateng,
  • Esther Bochmann,
  • Ekaterina Sobich and ,
  • Andrea Wahl,
  • Bernd Liepold,
  • Gabriele Sadowski and
  • Matthias Degenhardt
  • + 3 authors+ 0 author

During the dissolution of amorphous solid dispersion (ASD) formulations, the gel layer that forms at the ASD/water interface strongly dictates the release of the active pharmaceutical ingredient (API) and, hence, the dissolution performance. Several...

(This article belongs to the Section Drug Delivery and Controlled Release)
  • Article
  • Open Access
36 Citations
6,808 Views
16 Pages

A Hot-Melt Extrusion Risk Assessment Classification System for Amorphous Solid Dispersion Formulation Development

  • Samuel O. Kyeremateng,
  • Kristin Voges,
  • Stefanie Dohrn,
  • Ekaterina Sobich and ,
  • Ute Lander,
  • Stefan Weber,
  • David Gessner,
  • Rachel C. Evans and
  • Matthias Degenhardt
  • + 4 authors+ 0 author

Several literature publications have described the potential application of active pharmaceutical ingredient (API)–polymer phase diagrams to identify appropriate temperature ranges for processing amorphous solid dispersion (ASD) formulations vi...

(This article belongs to the Special Issue Amorphous Solid Dispersions: Rational Selection of a Manufacturing Process)
  • Article
  • Open Access
52 Citations
6,586 Views
23 Pages

Biphasic dissolution systems achieved good predictability for the in vivo performance of several formulations of poorly water-soluble drugs by characterizing dissolution, precipitation, re-dissolution, and absorption. To achieve a high degree of pred...

(This article belongs to the Special Issue Hot-Melt Extrusion)
  • Article
  • Open Access
72 Citations
7,353 Views
23 Pages

When developing an amorphous solid dispersion (ASD), a prudent choice of polymer is critical to several aspects of ASD performance including: processability, solid state stability and dissolution rate. However, there is little guidance available to f...

(This article belongs to the Special Issue Advances in Amorphous Drug Formulations)
  • Article
  • Open Access
16 Citations
3,918 Views
25 Pages

Carvedilol Precipitation Inhibition by the Incorporation of Polymeric Precipitation Inhibitors Using a Stable Amorphous Solid Dispersion Approach: Formulation, Characterization, and In Vitro In Vivo Evaluation

  • Akhila Akkihebbal Ravikumar,
  • Parthasarathi K. Kulkarni,
  • Riyaz Ali M. Osmani,
  • Umme Hani and ,
  • Mohammed Ghazwani,
  • Adel Al Fatease,
  • Ali H. Alamri and
  • Devegowda V. Gowda
  • + 3 authors+ 0 author

17 November 2022

An amorphous solid dispersion (ASD) of carvedilol (CVL) was prepared via the solvent evaporation method, using cellulose derivatives as polymeric precipitation inhibitors (PPIs). The prepared ASDs existed in the amorphous phase, as revealed by X-ray...

(This article belongs to the Special Issue Advanced Polymeric Materials for Pharmaceutical Applications III)
  • Review
  • Open Access
2 Citations
1,962 Views
47 Pages

Amorphous Solid Dispersions of Polyphenols: Current State of the Art (Part I)

  • Natalia Rosiak,
  • Miłosz Ignacyk,
  • Aleksandra Kryszak,
  • Jakub Piontek and
  • Judyta Cielecka-Piontek

Polyphenols have attracted considerable scientific interest over recent years due to their broad spectrum of biological activities, including antioxidant, cardioprotective, anti-inflammatory, antidiabetic, and anticancer properties. However, their pr...

(This article belongs to the Section Pharmaceutical Technology)
  • Article
  • Open Access
18 Citations
7,311 Views
19 Pages

The downstream processing of hot-melt extruded amorphous solid dispersions (ASDs) into tablets is challenging due to the low tabletability of milled ASDs. Typically, the extrudate strand is sized before milling, as the strand cannot be fed directly i...

(This article belongs to the Special Issue Amorphous Solid Dispersions: Rational Selection of a Manufacturing Process)
  • Article
  • Open Access
7 Citations
5,921 Views
18 Pages

9 December 2020

This study investigated thiamine degradation in thiamine mononitrate (TMN):polymer solid dispersions, accounting for the physical state of the vitamin and the recrystallization tendency of TMN in these dispersions. Results were compared with those fr...

(This article belongs to the Special Issue Functional Mechanism of B-Vitamins and Their Metabolites 2.0)
  • Review
  • Open Access
82 Citations
18,026 Views
23 Pages

Molecular Simulation and Statistical Learning Methods toward Predicting Drug–Polymer Amorphous Solid Dispersion Miscibility, Stability, and Formulation Design

  • Daniel M. Walden,
  • Yogesh Bundey,
  • Aditya Jagarapu,
  • Victor Antontsev and ,
  • Kaushik Chakravarty and
  • Jyotika Varshney
  • + 1 author+ 0 author

1 January 2021

Amorphous solid dispersions (ASDs) have emerged as widespread formulations for drug delivery of poorly soluble active pharmaceutical ingredients (APIs). Predicting the API solubility with various carriers in the API–carrier mixture and the prin...

(This article belongs to the Collection Poorly Soluble Drugs)
  • Article
  • Open Access
29 Citations
8,121 Views
26 Pages

BCS Class II drugs, such as itraconazole (ITZ), exhibit poor solubility (1–4 ng/mL) and so require solubility enhancement. Therefore, ITZ and Kollidon® VA64 (KOL) amorphous solid dispersions (ASDs) were produced using hot-melt extrusion (HM...

(This article belongs to the Special Issue Recent Advances in Solid Dosage Form)
  • Review
  • Open Access
60 Citations
11,348 Views
18 Pages

5 January 2021

Amorphous solid dispersion drug delivery systems (ASD DDS) were proved to be efficient for the enhancement of solubility and bioavailability of poorly water-soluble drugs. One of the major keys for successful preparation of ASD is the selection of ap...

(This article belongs to the Special Issue Solid-State of Organic Pharmaceutical Compounds)
  • Article
  • Open Access
1 Citations
2,074 Views
19 Pages

Boundary Between Amorphously and Molecularly Dispersed Curcumin of Its Amorphous Solid Dispersions Determined by Fluorescence Spectroscopy

  • Shixin Fan,
  • Wenling Zheng,
  • Shizhao Ren,
  • Wangchuan Xiao and ,
  • Fenghua Chen and
  • Rongrong Xue
  • + 1 author+ 0 author

27 May 2025

Amorphous solid dispersion (ASD) technology is popularly used for enhancing the solubility of poorly water-soluble drugs. Drug molecules in ASDs can be dispersed in the form of either amorphous (AASD) or molecular (MASD) forms. The boundary between A...

  • Review
  • Open Access
42 Citations
5,807 Views
19 Pages

The thermodynamically unstable nature of amorphous drugs has led to a persistent stability issue of amorphous solid dispersions (ASDs). Lately, microwave-induced in situ amorphization has been proposed as a promising solution to this problem, where t...

(This article belongs to the Special Issue Advances in Amorphous Drug Formulations)
  • Article
  • Open Access
15 Citations
5,385 Views
20 Pages

Enrofloxacin (ENRO) is a poorly soluble drug used in veterinary medicine. It differs from the more widely used fluoroquinolone ciprofloxacin (CIP) by the presence of an ethyl substituent on its piperazine amino group. While a number of recent studies...

(This article belongs to the Special Issue Recent Progress in Solid Dispersion Technology)
  • Article
  • Open Access
3 Citations
3,686 Views
14 Pages

Integrating In Vitro Dissolution and Physiologically Based Pharmacokinetic Modeling for Generic Drug Development: Evaluation of Amorphous Solid Dispersion Formulations for Tacrolimus

  • Evangelos Karakitsios,
  • Maria-Faidra-Galini Angelerou,
  • Iasonas Kapralos,
  • Georgia Tsakiridou and ,
  • Lida Kalantzi and
  • Aristides Dokoumetzidis
  • + 1 author+ 0 author

Objectives: Tacrolimus, a Biopharmaceutics Classification System (BCS) class II drug, is widely used for transplant patients to prevent graft rejection. To enhance its bioavailability, amorphous solid dispersion (ASD) formulations were developed and...

(This article belongs to the Section Biopharmaceutics)
  • Review
  • Open Access
83 Citations
9,392 Views
25 Pages

Amorphous Solid Dispersions: Role of the Polymer and Its Importance in Physical Stability and In Vitro Performance

  • Qin Shi,
  • Haibiao Chen,
  • Yanan Wang,
  • Ruoxun Wang and ,
  • Jia Xu and
  • Chen Zhang
  • + 1 author+ 0 author

Amorphous solid dispersions stabilized by one or more polymer(s) have been widely used for delivering amorphous drugs with poor water solubilities, and they have gained great market success. Polymer selection is important for preparing robust amorpho...

(This article belongs to the Special Issue Feature Papers in Physical Pharmacy and Formulation)

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