Conversely, the Δ values of the conventional microneedle and the model groups were less than 0, indicating an increasing trend in blood glucose levels.
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Enhanced transdermal delivery of pioglitazone hydrochloride via conductive hydrogel microneedles combined with iontophoresis.
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The sentences
The results revealed that the Δ values of the oral administration and the iontophoresis microneedle groups were greater than 0, indicating a decreasing trend in blood glucose levels.