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. 2024 Mar 20;5:1373759. doi: 10.3389/fpain.2024.1373759

Table 3.

Mean ± SD dose of fentanyl absorbed and associated bioavailability after application of two (LDF), four (MDF) and six (HDF) 100 mcg/h (16.8 mg/patch) matrix patches to healthy adult horses (n = 6).

Treatment Target dose
(mg)
Dose absorbed (mg) Fractional bioavailability (%)
LDF 33.6 28.8 ± 4.8 57.8 ± 5.7
MDF 67.2 57.9 ± 7.1 49.9 ± 14.0
HDF 100.8 86.0 ± 6.6 54.3 ± 8.6