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Table 2 ICH table adapted to radiopharmaceuticals

From: EANM guideline on the validation of analytical methods for radiopharmaceuticals

Type of analytical procedure

Radioactivity Content (assay)

Radionuclide identity (approx. t½)

Radionuclide identity (spectrometry)

Radiochemical identity (HPLC/TLC)

Radionuclidic purity (limit test)

Radionuclidic purity (spectrometry after decay)

Radiochemical puritya (HPLC/TLC)

Characteristics

 Accuracy

+

+

+

+

+

 Precision (Repeatability)

+

+

(+)

(+)

 Intermediate Precision

(+)

(+)

 Specificity

+

+

+

+

+

+

+

 Detection Limit

+

 Quantification Limit

+

+

 Linearity

+

+

+

+

 Range

+

+

+

+

  1. (+) not always possible (e.g. short half life, see text)
  2. aradioenantiomeric purity measurements should be validated analogously