Abstract
Drug–drug cocrystals of imatinib mesylate with several cocrystal formers, i.e. 5-chlorouracil, 5-fluorouracil, hydroxyurea, 5-fluorocytosine, N-acetylcytosine, chlorogenic acid, dacarbazine, curcumin, creatine, orotic acid, l-cysteine, glutathione, and caffeic acid, were prepared from mixtures by cogrinding or solvent cocrystallization. The samples prepared were analyzed by FTIR, DSC, and XRPD. Formation of cocrystals with different stoichiometry was observed. Novel cocrystals of imatinib mesylate with 5-fluorouracil or hydroxyurea were identified, characterized, and selected by the solid form screening approach. These cocrystals were non-hygroscopic and chemically and physically stable to thermal stress under the testing conditions.
Published Version
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