TABLE 4

Effect of particle size on oral exposures of GDC-0449 after oral administration of capsules containing a 150-mg total dose to male dogs (n = 6/group)

TreatmentCmaxTmaxAUC0–168
μMhμM · h
150-mg capsule8.12 ± 4.014.0453 ± 271
(small particles)(4.0–4.0)
25 + 125-mg capsules2.66 ± 1.563.0150 ± 95
(large particles)(1.0–4.0)
  • AUC0–168, area under the plasma concentration-time profile from time 0 to 168 h postdose; Cmax, highest observed plasma concentration; Tmax, time at which Cmax occurred.