Sat, 18 Nov 2017

Polyethylene Glycol Enhances Solubility of Domperidone through Solid Dispersion

 

Rajender Guleria1, Vivek Sharma1*, Ankita Kapoor1, NS Kaith2, Ranjit Singh3

 

1. Govt. College of Pharmacy, Rohru Distt. Shimla, Himachal Pradesh-171207, India

2. KVK Rohru-171207 Distt. Shimla, Himachal Pradesh, India

3. School of Pharmaceutical Sciences, Shobhit University, Meerut, (UP) India


 

ABSTRACT

Domperidone is a water insoluble drug exhibiting poor dissolution pattern. Domperidone is an antiemetic and shows gastroprokinetic properties. It is a weak base and shows poor solubility in alkaline pH. Several methods are being employed to enhance the solubility of domperidone irrespective of its pH dependent solubility. The present protocol aim to design Polyethylene glycol (PEG) based solid dispersions of Domperidone to enhance its solubility. PEG 8000 based solid dispersions containing the drug in different mass ratio i.e. 1:1, 1:3, 1:5 and 1:7 were prepared using fusion method. The prepared solid dispersions were characterized for their drug content, phase solubility studies, Fourier-transform infrared (FTIR) spectroscopy, differential scanning calorimetry (DSC), x-ray diffraction, and in-vitro dissolution studies. All the formulations showed marked improvement in the solubility and dissolution rate of drug which may be due to decrease in crystallinity of drug and additives. It was concluded that prepared solid dispersion of the Domperidone with PEG can improve the solubility and dissolution rate of the drug.

Keywords: Domperidone, PEG, Solid dispersion, Solubility 


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