Table III.
Studies Reporting Plasma PK Parameters for CBD
References | Subjects | Administration route | Dose (mg) | Plasma PK parameter | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
tmax (h) | Cmax (ng/mL) | t1/2 (h) | AUC (ng·h/mL) | CL (L/h) | Vd (L) | MRT (h) | F (%) | ||||
Xu et al., 2019 [86] | Mouse | Oral | 20 mg/kg | 2 | 129.5 | ND | 551 | 51.2 L/h/kg | 215.3 L/kg | 4.2 | 8.63 |
IV | 10 mg/kg | 0.167 | 2343.3 | 3.9 | 3191 | 3.4 L/h/kg | 19.5 L/kg | 3.3 | ND | ||
Deiana et al., 2012 [138] | Mouse | Oral (in plasma) | 120 mg/kg | 1 | 2.2 µg/mL | ND | 378 µg·min/mL | ND | ND | ND | ND |
Oral (in brain) | 120 mg/kg | 6 | 1.3 µg/mL | ND | 319 µg·min/mL | ND | ND | ND | ND | ||
Rats | Oral (in plasma) | 120 mg/kg | 2 | 2 µg/mL | 4.62 | 536 µg·min/mL | ND | ND | ND | ND | |
Oral (in brain) | 120 mg/kg | 4 | 8.6 µg/mL | 3.7 | 1900 µg·min/mL | ND | ND | ND | ND | ||
Paudel et al., 2010 [142] | Rats | Intranasal | 200 µg/kg | 0.48 | 27.35 | 1.31 | 43.26 | 4.83 L/h/kg | ND | ND | 34–46 |
IV | 200 µg/kg | ND | 3596 | 1.06 | 103.56 | 10.21 L/h/kg | 7.59 L/kg | ND | ND | ||
Guinea pigs | Transdermal gel | 18 mg/mL | 38.4 | 8.6 | ND | 276 | ND | ND | ND | ND | |
IV | 1 mg/kg | ND | 269 | 3.47 | 175 | 3.22 L/h/kg | 13.72 L/kg | ND | ND | ||
Spittle et al., 2021 [140] | Guinea pigs | Oral | 25 mg/kg | 1.6 | 42 | 8.1 | 379.5 | 77.7 L/h/kg | 693.5 L/kg | 8.6 | ND |
50 mg/kg | 4.8 | 96.8 | 10.8 | 873.7 | 63.8 L/h/kg | 685.9 L/kg | 11.3 | ND | |||
Meyer et al., 2022 [136] | Dairy calves | Oral | 5 mg/kg | 7.5 | 0.05 µg/mL | 23.02 | 0.7 µg·h/mL | 5.29 L/h/kg | 175.86 L/kg | 35 | ND |
Yocom et al., 2022 [139] | Horses | Oral | 1 mg/kg | 4.1 | 4.3 | 14.8 | 51.6 | 8265.7 | 216.7 | 13.5 | ND |
3 mg/kg | 5 | 19.9 | 8.5 | 162.9 | 10,881.3 | 214.2 | 10.7 | ND | |||
Williams et al., 2022 [134] | Horses | Oral | 0.35 mg/kg | 1.8 | 6.6 | ND | 42 | ND | 170 | 156 | ND |
2 mg/kg | 2.4 | 51 | 13.3 | 330 | ND | 131 | 153 | ND | |||
Samara et al., 1988 [133] | Dogs | IV | 45 | ND | ND | 6.8 | 2706 µg·h/L | 17.3 | 167 | ND | ND |
90 | ND | ND | 9.3 | 6095 µg·h/L | 15.9 | 209 | ND | ND | |||
Oral | 180 | ND | ND | ND | ND | ND | ND | ND | 13–19 | ||
Polidoro et al., 2022 [157] | Dogs | Intranasal | 20 | 0.5 | 28 | ND | 61 | ND | ND | ND | ND |
Oral | 100 | 3.5 | 217 | ND | 1376 | ND | ND | ND | ND | ||
Bartner et al., 2018 [165] | Dogs | Oral | 75 | ND | 625.3 | 3.33 | 2.26 | ND | ND | 3.6 | ND |
150 | ND | 845.5 | 2.13 | 4.96 | ND | ND | 5.0 | ND | |||
Transdermal cream | 75 | ND | 74.3 | ND | 0.20 | ND | ND | 8.2 | ND | ||
150 | ND | 277.6 | ND | 0.50 | ND | ND | 7.8 | ND | |||
Taylor et al., 2018 [137] | Human | Oral | 1500 | 4 | 292.4 | ND | 1517 | 1111 | 20,963 | 1517 | ND |
3000 | 5 | 533 | ND | 2669 | 1121 | 23,357 | 2669 | ND | |||
4500 | 5 | 722.1 | ND | 3215 | 1445 | 36,575 | 3215 | ND | |||
6000 | 5 | 782 | ND | 3696 | 1909 | 42,849 | 3696 | ND | |||
Vitetta et al., 2021 [144] | Human | Oro-buccal | 6 | 1 | 0.53 | 1.23 | 0.9 | 6900 | ND | ND | ND |
18 | 1 | 4.62 | 5.45 | 8.9 | 2040 | ND | ND | ND | |||
Stott et al., 2013 [189] | Human | Oromucosal spray | 5 | 1 | 0.39 | 5.28 | 1.5 | 3252 | 22,169 | ND | ND |
10 | 1.39 | 1.15 | 6.39 | 5.0 | 2546 | 18,800 | ND | ND | |||
20 | 1 | 2.17 | 9.36 | 10.4 | 3783 | 30,595 | ND | ND | |||
Hosseini et al., 2021 [12] | Human | Sublingual wafer | 25 | 4.5 | 9.1 | ND | 31.1 | ND | ND | ND | ND |
50 | 4.1 | 15 | ND | 71.0 | ND | ND | ND | ND | |||
Oral | 50 | 5.2 | 14 | ND | 73.8 | ND | ND | ND | ND | ||
Oromucosal spray | 25 | 4.5 | 4.6 | ND | 29.3 | ND | ND | ND | ND | ||
Meyer et al., 2018 [141] | Human | Inhalation | 1.6 | 0.10 | 7 | 0.18 | 2.1 | ND | ND | ND | 59 |
IV | 1.6 | 0.12 | 22 | 0.40 | 13.7 | ND | ND | ND | 100 | ||
Ohlsson et al., 1986 [126] | Human | IV | 20 | 0.05 | 686 | 24 | 0.01667 ng·min/L | 74.4 | 2520 | ND | ND |
Smoking | 19.2 | 0.05 | 110 | 31 | 0.00485 ng·min/L | ND | ND | ND | 31 | ||
Devinsky et al., 2021 [15] | Human | Oral | 50 | 2.03 | 6.3 | ND | 20.05 | ND | ND | ND | ND |
Inhalation | 2.1 | 0.06 | 18.8 | ND | 7.66 | ND | ND | ND | ND | ||
Spindle et al., 2020 [135] | Human | Oral (in urine) | 100 | 5.3 | 776.3 | ND | ND | ND | ND | ND | ND |
Vaping (in urine) | 100 | 0.8 | 261 | ND | ND | ND | ND | ND | ND |
Abbreviations: AUC, area under the concentration–time curve; CL, clearance; Cmax, peak plasma concentrations; F, bioavailability; MRT, mean retention time; ND, not determined; t1/2, elimination half-life; tmax, time to reach peak plasma concentrations; Vd, volume of distribution