Luciana F.A. Romani, Maria I. Yoshida, Elionai C.L. Gomes, Renes R. Machado, Felipe F. Rodrigues, Márcio M. Coelho, Marcelo A. Oliveira, Maria B. Freitas-Marques, Rosane A.S. San Gil, Wagner N. Mussel. Physicochemical characterization, the Hirshfeld surface, and biological evaluation of two meloxicam compounding pharmacy samples[J]. Journal of Pharmaceutical Analysis, 2018, 8(2): 103-108.
Citation:
Luciana F.A. Romani, Maria I. Yoshida, Elionai C.L. Gomes, Renes R. Machado, Felipe F. Rodrigues, Márcio M. Coelho, Marcelo A. Oliveira, Maria B. Freitas-Marques, Rosane A.S. San Gil, Wagner N. Mussel. Physicochemical characterization, the Hirshfeld surface, and biological evaluation of two meloxicam compounding pharmacy samples[J]. Journal of Pharmaceutical Analysis, 2018, 8(2): 103-108.
Luciana F.A. Romani, Maria I. Yoshida, Elionai C.L. Gomes, Renes R. Machado, Felipe F. Rodrigues, Márcio M. Coelho, Marcelo A. Oliveira, Maria B. Freitas-Marques, Rosane A.S. San Gil, Wagner N. Mussel. Physicochemical characterization, the Hirshfeld surface, and biological evaluation of two meloxicam compounding pharmacy samples[J]. Journal of Pharmaceutical Analysis, 2018, 8(2): 103-108.
Citation:
Luciana F.A. Romani, Maria I. Yoshida, Elionai C.L. Gomes, Renes R. Machado, Felipe F. Rodrigues, Márcio M. Coelho, Marcelo A. Oliveira, Maria B. Freitas-Marques, Rosane A.S. San Gil, Wagner N. Mussel. Physicochemical characterization, the Hirshfeld surface, and biological evaluation of two meloxicam compounding pharmacy samples[J]. Journal of Pharmaceutical Analysis, 2018, 8(2): 103-108.
Meloxicam (MLX) is an anti-inflammatory drug susceptible to variations and crystalline transitions. In compounding pharmacies, the complete crystallographic evaluation of the raw material is not a routine procedure. We performed a complete crystallographic characterization of aleatory raw MLX samples from compounding pharmacies. X-ray diffraction indicated the presence of two crystalline forms in one sample. DSC experiments suggested that crystallization, or a crystal transition, occurred differently be-tween samples. The FTIR and 1H NMR spectra showed characteristic assignments. 13C solid-state NMR spectroscopy indicated the presence of more than one phase in a sample from pharmacy B. The Hirshfeld surface analysis, with electrostatic potential projection, allowed complete assignment of the UV spectra in ethanol solution. The polymorph I of meloxicam was more active than polymorph Ⅲ in an experi-mental model of acute inflammation in mice. Our results highlighted the need for complete crystal-lographic characterization and the separation of freely used raw materials in compounding pharmacies, as a routine procedure, to ensure the desired dose/effect.