Author(s): Uday Kumar Thummala, Eswar Guptha Maddi, Prameela Rani Avula

Email(s): udaykumar.chowdary16@gmail.com , meguptas@gmail.com , drapr64@gmail.com

DOI: 10.52711/0975-4377.2021.00036   

Address: Uday Kumar Thummala1,2*, Eswar Guptha Maddi3, Prameela Rani Avula4
1Associate Professor, Aditya College of Pharmacy, Surampalem, Kakinada, Andhra Pradesh, India.
2Research Scholar, School of Pharmacy, JNT University Kakinada, Kakinada, Andhra Pradesh, India.
3Sir CR Reddy College of Pharmaceutical Sciences, Eluru, Andhra Pradesh, India.
4University College of Pharmaceutical Sciences, Acharya Nagarjuna University, Guntur, Andhra Pradesh, India.
*Corresponding Author

Published In:   Volume - 13,      Issue - 3,     Year - 2021


ABSTRACT:
The fixed dose combination of ledipasvir (LDV) and sofosbuvir (SBV) is approved by USFDA in 2014 for the treatment of Hepatitis C virus infection and is available in the form of tablets. In the present work, the principal aim is to explore orodispersible films type dosage form to impart its characteristic advantages to these poorly soluble drugs so as to improve their bioavailability and ease of administration. Solid dispersions with low viscosity grade methyl cellulose A 15-LV (MC A 15-LV) at different ratios with LDV and SBV were prepared and evaluated to check their ability in improving the solubility of the drugs. The best drug to polymer ratio was selected to develop the films, using other excipients including plasticizer and superdisintegrant. Solvent casting method was used to develop the films. Three formulation parameters were selected as independent factors viz. thickness of the film (50-150 µm), concentration of superdisintegrant (sodium starch glycolate 6-10%) and concentration of plasticizer (polyethylene glycol 400, 10-20%). Disintegration time (DT), time for 90% dissolution (T90%) of LDV and time for 90% dissolution of SBV were taken as the response variables. The experiment was designed using Box-Behnken design. Among the polymers, MC A 15-LV produced maximum solubility at 1:2 ratio. The films obtained were found to have good tensile strength and % elongation with disintegration times in the range of 43-162 sec. The T90% values for LDV and SDV were found to be in the range of 8.4-21.2 min and 7.2-18.4 respectively. All the three formulation factors were found to have significant effect on the three responses. The optimum formulation was identified at 100 µm thickness, 10% superdisintegrant and 20% plasticizer which showed DT of 89 sec with T90% values of 8.4 min and 7.2 min for LDV and SBV respectively. The rapid disintegration and dissolution of the films signified that the set objective was achieved.


Cite this article:
Uday Kumar Thummala, Eswar Guptha Maddi, Prameela Rani Avula. Optimization and development of orodispersible films for ledipasvir and sofosbuvir through solid dispersion using Box-Behnken design. Research Journal of Pharmaceutical Dosage Forms and Technology. 2021; 13(3):201-8. doi: 10.52711/0975-4377.2021.00036

Cite(Electronic):
Uday Kumar Thummala, Eswar Guptha Maddi, Prameela Rani Avula. Optimization and development of orodispersible films for ledipasvir and sofosbuvir through solid dispersion using Box-Behnken design. Research Journal of Pharmaceutical Dosage Forms and Technology. 2021; 13(3):201-8. doi: 10.52711/0975-4377.2021.00036   Available on: https://rjpdft.com/AbstractView.aspx?PID=2021-13-3-7


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