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Table 7 RCY and RCP Production of clinical batches (after t = 0, 4, 24 and 48 h)

From: Radiolabeling and quality control of therapeutic radiopharmaceuticals: optimization, clinical implementation and comparison of radio-TLC/HPLC analysis, demonstrated by [177Lu]Lu-PSMA

RCY (%), Radio-TLC-scanner

RCY (%), Gamma counter

RCP (%), HPLC

t0

t4

t24

t48

t0

t4

t24

t48

t0

t4

t24

t48

Syringe

 > 99.9

 > 99.9

 > 99.9

 > 99.9

 > 99.9

 > 99.9

99.8

 ± 0.1

99.5

97.9

 ± 0.1

97.5

 ± 0.1

94.4

 ± 0.1

90.8

 ± 0.4

Flask

99.5

 ± 0.5

99.3

 ± 0.5

99.7

 ± 0.3

99.4

 ± 0.6

98.6

 ± 1.6

 > 99.9

98.7

 ± 1.3

99.3

 ± 0.9

97.3

 ± 0.7

96.5

 ± 0.5*

92.8

 ± 0.7

88.0

 ± 2.7

  1. Batches of the syringe (n = 2) or flask (n = 4), SD not displayed if measurements were all > 99.9%
  2. *Performed n = 3