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Abstract

Formulation and Evaluation of Solid Self-emulsifying Drug Delivery System of Bambuterol Hydrochloride

Author(s): S. Saggar*, A. Upadayay and M. Goswami1
Department of Pharmaceutical Sciences, MJRP College of Health Care & Allied Sciences, Mahatma Jyoti Rao Phoole University, Jaipur-302 019, 1Department of Pharmaceutical Sciences, University Institute of Pharma Sciences, Chandigarh University, Mohali-140 413, India

Correspondence Address:
Department of Pharmaceutical Sciences, MJRP College of Health Care & Allied Sciences, Mahatma Jyoti Rao Phoole University, Jaipur-302 019, India, E-mail: [email protected]


The solid self-emulsifying drug delivery system of bambuterol hydrochloride was designed, prepared and evaluated to overcome poor bioavailability. The designing process included selection of oil phase, surfactant and co-solvent/co-surfactant based on saturated solubility studies. Psuedoternary phase diagram was constructed using dilution method to identify the self-emulsifying region. Liquid self-emulsifying drug delivery formulations were prepared from components obtained from these studies and were converted to solid self-emulsifying drug delivery systems by adsorption technique using microcrystalline cellulose:aerosil mixture as the adsorbent. The prepared solid self-emulsifying drug delivery system-based formulations were evaluated for drug content, morphology, globule size, micromeritic properties, ex vivo permeability and stability. Formulation F1 containing 10 mg bambuterol hydrochloride, triacetin (12.50 % w/w), Tween 80 (43.75 % w/w) and ethanol (43.75 % w/w) was concluded to be optimal. These results suggested that bambuterol hydrochloride can be formulated as a solid self-emulsifying drug delivery system, which could be used to improve oral bioavailability of bambuterol hydrochloride.



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