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  • Title: Formulation and Evaluation of Baclofen-Meloxicam Orally Disintegrating Tablets (ODTs) Using Co-Processed Excipients and Improvement of ODTs Performance Using Six Sigma Method.
    Author: Abdelmonem R, Abdellatif MM, Al-Samadi IEI, El-Nabarawi MA.
    Journal: Drug Des Devel Ther; 2021; 15():4383-4402. PubMed ID: 34690500.
    Abstract:
    PURPOSE: This study aimed to formulate an orally disintegrating tablet (ODT) containing both baclofen and meloxicam together for treating osteoarthritis. METHODS: Direct compression method was used to prepare ODTs using three types of co-processed excipients (Prosolv ODT G2®, F-melt®, and Pharmaburst®500). ODTs were evaluated according to weight variation, thickness, friability, hardness, drug content, wetting time, in-vitro disintegration time, in-vitro dissolution test, and palatability. To enhance the in-vitro dissolution of meloxicam and palatability of ODT, a six sigma methodology was used, and an improvement phase was established where ODTs were prepared using lyophilization and levigation techniques. Finally, a pharmacokinetic study of the improved ODT was accomplished in comparison to the conventional oral tablet. RESULTS: Pharmaburst-based formula (F4) showed the shortest wetting time and, consequently, the shortest disintegration time and the highest percentage of drug dissolved within 3 min compared to the other formulae. All the improved ODTs had a bitterness taste score vary from (0) palatable and (+1) tasteless. The current sigma level was 3.628 σ and 3.33 σ for palatability and solubility of ODT, respectively, which indicated the process was successfully improved compared with the previous sigma level of 2.342 σ of both processes. Pharmacokinetic study of the improved ODTs showed a significant decrease of Tmax to 120 and 30 min instead of 180 and 120 min for meloxicam and baclofen, respectively. CONCLUSION: ODTs were successfully improved using the six sigma methodology, the pharmacokinetic parameters of both drugs were enhanced due to rapid absorption through the oral mucosa.
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