Antibody Conjugates and Therapeutic Strategies

Table 2.

Common Alpha and Beta Radionuclides Used for Radioimmunotherapy

Radionuclide	Emission	Half-Life	Max Tissue Penetration (mm)
⁹⁰Y	β	2.7 days	12
¹³¹I	β	8 days	2
¹⁷⁷Lu	β	6.7 days	1.5
¹⁸⁶Re	β	3.8 days	5
¹⁸⁸Re	β	0.7 days	11
²¹²Bi	α	60 min	0.6–0.9
²¹³Bi	α	46 min	0.1
²²⁵Ac	α	10 days	0.04
²¹¹At	α	7 hrs	0.05