Pharmaceutical hydrates analysis—overview of methods and recent advances

E Jurczak, AH Mazurek, Ł Szeleszczuk, DM Pisklak… - Pharmaceutics, 2020 - mdpi.com
This review discusses a set of instrumental and computational methods that are used to
characterize hydrated forms of APIs (active pharmaceutical ingredients). The focus has been …

Applications of powder X-ray diffraction in small molecule pharmaceuticals: achievements and aspirations

NK Thakral, RL Zanon, RC Kelly, S Thakral - Journal of pharmaceutical …, 2018 - Elsevier
Since the discovery of X-ray diffraction and its potential to elucidate crystal symmetry,
powder X-ray diffraction has found diverse applications in the field of pharmaceutical …

Pharmaceutical cocrystals: molecules, crystals, formulations, medicines

MAE Yousef, VR Vangala - Crystal Growth & Design, 2019 - ACS Publications
Cocrystals are long known yet recently applied molecular entities. In the past decade, a
significant potential has been demonstrated by these novel solids in terms of modifying the …

Characterization and quality control of pharmaceutical cocrystals

K Izutsu, T Koide, N Takata, Y Ikeda, M Ono… - Chemical and …, 2016 - jstage.jst.go.jp
Recent active research and new regulatory guidance on pharmaceutical cocrystals have
increased the rate of their development as promising approaches to improve handling …

Engineering codrug solid forms: mechanochemical synthesis of an indomethacin–caffeine system

S Bordignon, P Cerreia Vioglio, E Priola… - Crystal Growth & …, 2017 - ACS Publications
This article reports on the preparation and solid-state characterization of an indomethacin–
caffeine drug–drug cocrystal (or codrug) in a 1: 1 stoichiometry. These two active ingredients …

Pharmaceutical cocrystals: formulation approaches to develop robust drug products

NK Duggirala, SM LaCasse, MJ Zaworotko… - Crystal Growth & …, 2019 - ACS Publications
Phase transformation of an active pharmaceutical ingredient in the solid state can influence
the physicochemical properties and consequently drug product performance. The neat …

Supply and demand in the ball mill: competitive cocrystal reactions

F Fischer, D Lubjuhn, S Greiser… - Crystal Growth & …, 2016 - ACS Publications
The stability of different theophylline cocrystals under milling conditions was investigated by
competitive cocrystal reactions. To determine the most stable cocrystal form under milling …

Mechanistic insight into caffeine–oxalic cocrystal dissociation in formulations: Role of excipients

NK Duggirala, A Vyas, JF Krzyzaniak… - Molecular …, 2017 - ACS Publications
Caffeine–oxalic acid cocrystal, widely reported to be stable under high humidity, dissociated
in the presence of numerous pharmaceutical excipients. In cocrystal–excipient binary …

Improving mechanical properties of desloratadine via multicomponent crystal formation

A Ainurofiq, R Mauludin, D Mudhakir, D Umeda… - European Journal of …, 2018 - Elsevier
We report the first multicomponent crystal of desloratadine, an important anti-histamine drug,
with a pharmaceutically acceptable coformer of benzoic acid. The single crystal structure …

Interrelation of the dissolution behavior and solid-state features of acetazolamide cocrystals

JI Arenas-García, D Herrera-Ruiz… - European Journal of …, 2017 - Elsevier
The thermal behavior, phase stability, indicative stability and intrinsic dissolution rates of a
series of cocrystals and cocrystal hydrates derived from the pharmaceutically active …