Development of instrument to report and asses causality of adverse events related to herbal medicines

Keywords: Herbal medicine, adverse drug reaction reporting systems, pharmacovigilance, risk assessment, product Surveillance, postmarketing.

Abstract

Background: The use of herbal medicines is justified empirically using ethnopharmacological knowledge, which has limitations. Reports of adverse events (AE) may contribute for safety, quality, and effectiveness assessment. Objectives: This study aimed to develop an instrument to allow detection and evaluation of the causal likelihood of AE related to herbal medicines. Methods: A quantitative methodological development research intervention was performed with primary care health professionals. Two cases were distributed in an interval of one week in order to allow for completion of the proposal form. The within-rater reliability was calculated and classified into satisfactory, regular, and unsatisfactory, according to essential, necessary, and recommended items reported. Results: Fifty-seven professionals were enrolled. A high degree of the within-rater reliability was observed for the most essential, necessary, and recommended fields. The instrument contributed to assessment of definite causal association, once the duration of reactions including evolution, withdrawal, and reposition items showed high reliability. Most fields poor and weak filled were related to quality defects, such as popular name and appearance. Conclusions: Data suggest the instrument is adequate to report AE arising from herbal medicines. Owing to information regarding to organoleptic characteristics, the instrument is different from drug instruments. Therefore, it is intended to improve AE reports related to herbal medicines and contribute for appropriate use.

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Author Biographies

Patricia de Carvalho MASTROIANNI, Universidade Estadual Paulista Júlio de Mesquita Filho
School of Pharmaceutical Sciences, Department of Drugs and Medicines, PhD, Adjunto professor.
Fabiana ROSSI VARALLO, Universidade Estadual Paulista Júlio de Mesquita Filho
School of Pharmaceutical Sciences, Department of Drugs and Medicines, PhD Student.
Marília AMARAL COSTA, Universidade Estadual Paulista Júlio de Mesquita Filho-

School of Pharmaceutical Sciences, Department of Drugs and Medicines, Master Student.

Luís Vitor Da Silva SACRAMENTO, Universidade Estadual Paulista Júlio de Mesquita Filho

School of Pharmaceutical Sciences, Department of Natural Active Principles and Toxicology, PhD, Adjunto professor.

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Published
2017-04-27
How to Cite
MASTROIANNI P. de C., ROSSI VARALLO F., AMARAL COSTA M., & SACRAMENTO L. V. D. S. (2017). Development of instrument to report and asses causality of adverse events related to herbal medicines. Vitae, 24(1), 13-22. https://doi.org/10.17533/udea.vitae.v24n1a02
Section
Pharmaceutical Care