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Table 2 Effect of a single dose of α-TEA lysine salt or free acid on serum pharmacokinetics parameters

From: GMP-grade α-TEA lysine salt: a 28-Day oral toxicity and toxicokinetic study with a 28-Day recovery period in Beagle dogs

Test article

Dose level (mg/kg)

Tmax (hr)

T½ (hr)

Cmax (ug/mL)

AUC0-24 (hr*ug/mL)

AUC0-∞ (hr/*ug/mL)

α-TEA Free Acid

100

8

54.6

20.4

1,180

1,670

α-TEA Lysine Acid

200

4

54.

29.4

1,680

2,470

α-TEA Free Acid

200

24

50.2

14.7

1,020

1,400

  1. α-TEA free acid (100 mg/kg) and α-TEA lysine salt (200 mg/kg) were administered by intravenous injection or oral gavage in BALB/c mice. Blood was collected from 3 mice/group at each time point and analyzed for α-TEA levels by HPLC with mass spectrometric detection (LC-MS/MS). The peak plasma concentration of a drug after administration (Cmax), the time required to reach it (Tmax), the time required for the concentration of the drug to reach half of its original value (T1/2), the area under the plasma drug concentration-time curve (AUC) were determined using WinNonlin Version 6.2 software system