Development of Abuse-Deterrent Formulations Using Sucrose Acetate Isobutyrate.
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abstract
The objective of the present investigation was to understand the effect of sucrose acetate isobutyrate (SAIB) on abuse-deterrent properties (ADPs) of abuse-deterrent formulations (ADFs) based on Polyox. SAIB would enhance ADPs of Polyox-based formulations due to its glassy liquid and hydrophobic properties. Formulations were prepared by granulation followed by compression and heat curing at 90C. The formulations were evaluated for surface morphology, hardness, manipulation in coffee grinder, particle size distribution, drug (pseudoephedrine hydrochloride) extraction in water, alcohol, 0.1N HCl, 0.1N NaOH at room temperature and elevated temperature using microwave and oven, syringeability and injectability, and dissolution. The heat curing of formulations significantly increased the hardness (>490N). Addition of SAIB imparted elasticity to formulations and decreased brittleness as indicated by lower values of work done and gradient compared to control formulations. After grinding, about 7.7-25.6% of the powder remained on the sieve (1mm pore opening), D90 was 53.1-136.7m more, and Q (fraction <500m) was 17.8-40.7% less in SAIB-based formulations compared to control formulations. Drug extraction between control and test intact formulations was similar. However, drug extraction was 23.9-42.5% (water), 20.6-26.1% (0.1N HCl), and 37.4-50.6% (0.1N NaOH) less in SAIB-based powder cured and uncured formulations compared to control formulations. Dissolution varied from 65.64.2 to 97.64.0% in 9h from the formulations. In conclusion, addition of SAIB to Polyox-based ADFs has synergistic effect on ADPs. This would further decrease potential of drug abuse/misuse by various routes.
