International Journal of Drug Delivery Technology
Volume 14, Issue 1

Optimizing Verapamil Hydrochloride In-situ Delivery: A Strategic Formulation Approach using Box-Behnken Design for Enhanced Performance and Comprehensive Evaluation of Formulation Parameters

Ram K Choudhary1, Sulochana Beeraka2*, Biresh K Sarkar3, G Dharmamoorthy4, Lalchand Devhare5

1Government Pharmacy Institute, Agamkuan, Patna, Bihar, India.

2Chebrolu Hanumaiah Institute of Pharmaceutical Sciences, Chowdavaram, Guntur, Andhra Pradesh, India.

3Central Ayurveda Research Institute, Kolkata, West Bengal, India.

4Departmentof Pharmaceutical Analysis, MB School of Pharmaceutical Sciences

(Erstwhile Sree Vidyanikethan college of pharmacy) Mohan Babu University, Tirupati, Andhra Pradesh, India.

5Manwatkar College of Pharmacy, Ghodpeth, Bhadavati, Chandrapur, Maharashtra, India. 

Received: 05th October, 2023; Revised: 31st January, 2024; Accepted: 04th February, 2024; Available Online: 25th March, 2024 

ABSTRACT

This study focuses on formulating and assessing an in-situ gastro-retentive gel for precise delivery of verapamil hydrochloride to the stomach, aiming to extend its residence time and improve targeted delivery. Gels were synthesized in-situ using a cation- controlled gelation method, incorporating varied blends of pectin and HPMCK4M. Design Expert’s box behnken design was employed to assess responses such as buoyancy lag time, water uptake, and cumulative drug discharge. Results revealed that the developed gels exhibited a total float time exceeding 10 hours, with formulation T-2 showing the least floating lag time and a cumulative drug release of 99.40 ± 3.24% over 10 hours. This suggests effective prolongation of the gastric residence time, enabling controlled verapamil hydrochloride release. Additional evaluations, including appearance, pH, viscosity, in-vitro gel formation, drug content, density, and gel force, supported the robustness of the developed gels. Subsequent in-vitro dissolution and stability studies affirmed consistent active ingredient content, highlighting formulation stability over time. In conclusion, this study demonstrates that the in-situ gels effectively extend gastric residence time, facilitating controlled verapamil hydrochloride release, marking significant advancements in drug delivery systems and targeted drug delivery within the gastrointestinal tract.

Keywords: Formulation, Gastro-retentive, In-situ, Release, Verapamil.

International Journal of Drug Delivery Technology (2024); DOI: 10.25258/ijddt.14.1.11

How to cite this article: Choudhary RK, Beeraka S, Sarkar BK, Dharmamoorthy G, Devhare L. Optimizing Verapamil Hydrochloride In-situ Delivery: A Strategic Formulation Approach using Box-Behnken Design for Enhanced Performance and Comprehensive Evaluation of Formulation Parameters. International Journal of Drug Delivery Technology. 2024;14(1):61-70.

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