Comparison of radiobiological parameters for 90Y radionuclide therapy (RNT) and external beam radiotherapy (EBRT) in vitro

EJNMMI Physics

Table 3 Summary of α and β parameters from EBRT and HDR–⁹⁰Y irradiation

Cell lines	HCT116	SW48	HT29
α_EBRT (Gy ⁻¹)	0.1981	0.1511	0.0842
β_EBRT (Gy ⁻²)	0.0439	0.0376	0.0239
\(\phantom {\dot {i}\!}\alpha _{{}^{90}Y}\) (Gy ⁻¹)	0.0350	0.0265	0.0145
\(\phantom {\dot {i}\!}G \beta _{{}^{90}Y}\) (Gy ⁻²)	0.0009	0.0008	0.0005