Table 2. Pharmacokinetic measurements from non-pregnant Rhesus.

	Beta-Ac 0.125 mg/kg IM	Dex-P 0.15 mg/kg PO	Beta-P 0.15 mg/kg PO	Dex-P 0.04 mg/kg PO
Cmax (ng/mL)	6.1 ± 2.2	26.2 ± 14.8	20.3 ± 2.3	6.1 ± 0.7
AUC 24	113 ± 38	134 ± 32	226 ± 23	32 ± 6.8
t1/2 (hrs.)	N/A	3.3	2.5	7.4

N/A: The half-life (t1/2) after intramuscular Beta-Ac could not be estimated.