Skip to main content

Table 4 Total radioligand binding (VT ± standard error) in lungs and pituitary gland; ipratropium inhalation dose and average plasma exposure

From: Pulmonary PET imaging confirms preferential lung target occupancy of an inhaled bronchodilator

NHP

Lungs

Pituitary gland

Ipratropium post-dosing

Baseline VT (ml/cm3)

Post-dosing VT (ml/cm3)

Baseline VT (ml/cm3)

Post-dosing VT (ml/cm3)

Dose (μg/kg)

Exposure, Cpl (nM)

#1

0.32 ± 0.007

0.43 ± 0.005

2.08 ± 0.195

1.79 ± 0.166

1.5

0.55

#1

0.95 ± 0.012

0.29 ± 0.002

2.63 ± 0.202

0.42 ± 0.041

2.0

3.46

#3

0.52 ± 0.004

0.13 ± 0.001

0.91 ± 0.174

0.20 ± 0.071

150.0

19.36

#5

0.81 ± 0.010

0.59 ± 0.009

0.82 ± 0.251

0.63 ± 0.230

0.5

(0.25)a

#5

0.68 ± 0.013

0.11 ± 0.002

1.42 ± 0.348

0.17 ± 0.218

10.0

8.06

  1. aPlasma exposure could not be measured, lower limit-of-quantification value used for model fitting