TABLE 2

18F-FLT Uptake at Baseline and 7 and 28 Days After Start of Treatment

ParameterBaseline7 d after start of treatment28 d after start of treatmentFriedman test P
Pharmacokinetic model
K10.294 (0.242–0.389)0.255 (0.190–0.312)0.260 (0.193–0.424)0.11
k30.129 (0.080–0.175)0.083 (0.069–0.123)0.088 (0.073–0.135)0.05
 BPND5.66 (3.27–8.21)3.12 (2.45–5.35)3.64 (2.61–6.06)0.02
VB0.066 (0.050–0.128)0.082 (0.054–0.170)0.101 (0.065–0.171)0.001
VT4.53 (3.12–5.52)3.41 (1.68–3.81)2.99 (2.60–3.79)<0.001
Ki0.063 (0.051–0.082)0.050 (0.031–0.058)0.048 (0.040–0.063)0.005
Simplified models
 TBR PP 40–60 min5.0 (3.3–5.8)3.4 (1.8–4.6)3.5 (3.0–4.1)0.003
 TBR PP 50–60 min5.3 (3.3–5.8)3.5 (1.9–4.9)3.8 (3.2–4.4)0.001
 TBR WB 40–60 min4.3 (3.3–5.4)3.3 (2.0–4.4)3.4 (2.9–3.9)0.001
 TBR WB 50–60 min4.5 (3.3–5.8)3.5 (2.2–4.6)3.6 (3.1–4.1)0.001
 SUV LBM 40–60 min2.5 (2.0–3.3)1.9 (1.2–2.5)1.9 (1.6–2.2)<0.001
 SUV LBM 50–60 min2.4 (2.0–3.2)1.9 (1.2–2.5)1.9 (1.6–2.2)<0.001
  • BPND = nondisplaceable binding potential; VB = blood volume fraction; PP = parent plasma; WB = whole blood; LBM = lean body mass.

  • Data are median followed by interquartile range in parentheses.