alexa Fast-disintegrating sublingual tablets: effect of epinephrine load on tablet characteristics.
Pharmaceutical Sciences

Pharmaceutical Sciences

Journal of Developing Drugs

Author(s): RawasQalaji MM, Simons FE, Simons KJ

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Abstract The aim of this study was to evaluate the effect of increasing epinephrine load on the characteristics of fast-disintegrating sublingual tablets for the potential emergency treatment of anaphylaxis. Four tablet formulations, A, B, C, and D, containing 0\%, 6\%, 12\%, and 24\% of epinephrine bitartrate, respectively, and microcrystalline cellulose:low-substituted hydroxypropyl cellulose (9:1), were prepared by direct compression, at a range of compression forces. Tablet weight variation, content uniformity, hardness, disintegration time, wetting time, and friability were measured for each formulation at each compression force. All 4 tablet formulations at each compression force were within the United States Pharmacopeia (USP) limits for weight variation and content uniformity. A linear increase in compression force resulted in an exponential increase in hardness for all formulations, a linear increase in disintegration and wetting times of A, and an exponential increase in disintegration and wetting times of B, C, and D. At a mean +/- SD hardness of > or = 2.3 +/- 0.2 kg, all tablet formulations passed the USP friability test. At a mean +/- SD hardness of < or = 3.1 +/- 0.2 kg, all tablet formulations resulted in disintegration and wetting times of <10 seconds and <30 seconds, respectively. Tablets with drug loads from 0\% to 24\% epinephrine can be formulated with hardness, disintegration times, and wetting times suitable for sublingual administration.
This article was published in AAPS PharmSciTech and referenced in Journal of Developing Drugs

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