TABLE 2.

Summary of Dosimetry Results

Patient	Mean AD_RPT (Gy/GBq)^*	Mean AD delivered by SBRT (Gy)^†	Mean total from RPT (Gy)^‡	Mean BED from SBRT (Gy)^†	Mean total BED (Gy)^§	Maximum total BED (Gy)^§
1 [1]	3.7	27.7	53	113	160	185
1 [2]	NA	27.9	NA	114	NA	NA
2 [3]	5.0	28.1	73	116	186	217
3 [4]	2.9	28.8	41	121	158	171
4 [5]	7.7	28.4	114	118	219	258
4 [6]	5.1	27.9	75	114	187	209
4 [7]	3.7	28.2	54	116	158	179
5 [8]	1.1	28.3	16	117	124	138
6 [9]	2.1	26.7	31	106	131	141
Median	3.7 (2.4)	28.1 (0.4)	58 (37)	116 (3)	159 (35)	182 (48)

↵* As calculated from first-cycle serial SPECT/CT imaging.
↵† Mean within gross tumor volume.
↵‡ Total dose from both cycles, assuming second cycle contributes 90% of dose from first cycle. Mean within VOI is as defined on PSMA PET/CT.
↵§ Mean BED from RPT and SBRT within VOI as defined on PSMA PET/CT. Mean BED from RPT and SBRT within gross tumor volume was approximately 5% lower.
NA = not available.
Numbers in brackets are number of lesions; numbers in parentheses are IQR. Lesion 2 was not within SPECT field of view, assuming α/β ratio of 3 Gy.