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Palmitoylethanolamide/Baicalin Supplementation and Changes in Pain and Sudomotor Function in Type 2 Diabetes: A Retrospective Matched Real-World Cohort Study

Scibetta S, Calvo L, Pinzolo L, Corrao G, Corrao S. Nutrients, 2026; 18(12):1894.

Observational studyHumansWith baicalin

This study tested palmitoylethanolamide together with baicalin. Its results cannot be assigned to palmitoylethanolamide alone. More combination studies.

Design
Observational study
Subjects
96 patients with type 2 diabetes and nerve damage, in two matched groups of 48
Dose used in the study
600 mg of palmitoylethanolamide with 250 mg of baicalin, twice a day (Neuridase). The comparison group took no supplement.
Duration
6 months
What was measured
Nerve pain on a visual analogue scale and a skin conductance test of small nerve function

What the authors reported

The authors reported that the median pain score fell from 5.5 to 3.0 in the supplement group (p < 0.0001) and did not change in the comparison group, which started at 2.0. Skin conductance in the hands improved in the supplement group and declined in the comparison group.

Limits of this study

A retrospective study of patient records. The groups differed at the start: the supplement group had much higher pain scores, so regression to the mean cannot be excluded, as the authors state. They also name confounding, a single centre and expectation bias. The publication fee was paid by the product's manufacturer, Enfarma.

Source

doi:10.3390/nu18121894

Entry checked against the full text at the publisher (MDPI) on 2026-09-21. The dose shown is the dose the researchers used. It is not a recommendation. How to read this page.