Table 1.

Biological and effective half-lives (T) of ²¹²Pb-NG001 in selected organs/tissues in nude mice with C4-2 xenografts, N = 3–11.

Organ/Tissue	Pharmacokinetic Parameter	212Pb-NG001
Blood	${\mathrm{T}}_{\mathrm{effective}}$ ${\mathrm{T}}_{\mathrm{biological}}$	4.2 ± 0.4 min 4.2 ± 0.4 min
Tumour	${\mathrm{T}}_{\mathrm{effective}}$ ${\mathrm{T}}_{\mathrm{biological}}$	5.3 ± 0.9 h 10.6 ± 2.0 h
Kidneys	${\mathrm{T}}_{\mathrm{effective}}$ ${\mathrm{T}}_{\mathrm{biological}}$	56.4 ± 5.4 min 52.2 ± 4.8 min