The aim of the work is to develop a data fusion model using near-infrared (NIR) and process parameters for the predictions of drug dissolution from controlled release multiparticulate beads. Using a design of experiments, ciprofloxacin-coated beads were manufactured and critical process parameters such as air volume, product temperature, curing temperature, and curing time were measured; environmental humidity was monitored using a Pyrobuttons®. The NIR spectra were decomposed using principal component analysis (PCA). The PCA scores were fused with process measurements and all variables were autoscaled. The autoscaled variables were regressed against measured dissolution data at 1 h and 2 h time points; the PLS regression used quadratic and cross terms. The NIR spectra only model using data collected at the end of bead curing generated a PLS model using 5 latent variables with R2 equal to 0.245 and 0.299 and RMSECV 13.23 and 13.12 for the 1 h and 2 h dissolution time points, respectively. The low R2 and high root mean square error of cross validation (RMSECV) values indicate that NIR spectra alone were insufficient to model the drug release. Similar results were obtained for NIR model using data collected at the end of spraying phase. Models with fused spectral and process data yielded better prediction with R2 above 0.88 and RMSECV less than 5% for the 1 h and 2 h dissolution time points. The data fusion model predicted dissolution profiles with an error less than 10%.
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We would like to thank Bela Janscik of OPULUS, Inc. for supplying the Pyrobutton® package.
This project received funding from the U.S. Food and Drug Administration (FDA) under grant no. HHSF223201110076A.
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Guest Editors: William C. Stagner and Rahul V. Haware
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Ibrahim, A., Kothari, B.H., Fahmy, R. et al. Prediction of Dissolution of Sustained Release Coated Ciprofloxacin Beads Using Near-infrared Spectroscopy and Process Parameters: a Data Fusion Approach. AAPS PharmSciTech 20, 222 (2019). https://doi.org/10.1208/s12249-019-1401-4
- near-infrared spectroscopy
- multiparticulate delivery system
- bead coating
- process control
- dissolution prediction
- ethyl cellulose coating
- data fusion