Enhancing Simvastatin Solubility and Dissolution with Twin Screw Melt Granulation
Author Information
Author(s): Elkanayati Rasha M., Karnik Indrajeet, Uttreja Prateek, Narala Nagarjuna, Vemula Sateesh Kumar, Karry Krizia, Repka Michael A.
Primary Institution: The University of Mississippi
Hypothesis
Can twin screw melt granulation and hot-melt extrusion improve the solubility and dissolution rate of simvastatin using polymer blends?
Conclusion
The study shows that twin screw melt granulation and hot-melt extrusion can significantly enhance the solubility and dissolution rates of simvastatin.
Supporting Evidence
- The SIM-SOP/KIR blend showed the highest solubility at 34 µg/mL, a 5.5-fold increase over the pure drug.
- Dissolution studies indicated that SIM-SOP/KIR formulations had significantly higher release profiles than the physical mixture and pure drug.
- 100% drug release was achieved within 30 minutes for the SIM-SOP/KIR formulation.
Takeaway
This study found ways to make a medicine called simvastatin dissolve better in water, which can help it work better in the body.
Methodology
Simvastatin was processed with various polymeric combinations at a 30% w/w drug load, and characterized using differential scanning calorimetry, powder X-ray diffraction, and Fourier-transform infrared spectroscopy.
Limitations
The study did not explore long-term stability or in vivo effects of the formulations.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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