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Table 2 Accuracy and precision of the assay for VEN in plasma samples from the rat and dog

From: Quantification of venadaparib, a novel PARP inhibitor, in the rat and dog plasma using liquid chromatography/tandem mass spectrometry

Batch

Theoretical concentration (ng/mL)

1

3

300

800

8003

Rat plasma

(A) Within-run accuracy and precision

Mean estimated concentration

1.07

3.01

301

802

800

RE, %1

7.0

0.3

0.3

0.3

0.0

CV, %2

7.3

2.4

1.4

2.9

3.3

(B) Between-run accuracy and precision

Mean estimated concentration

1.05

3.09

295

802

 

RE, %

6.9

9.0

4.2

5.9

 

CV, %

5.0

3.0

 − 1.7

0.3

 

Dog plasma

(A) Within-run accuracy and precision

Mean estimated concentration

1.06

3.05

308

828

795

RE, %

6.0

1.7

2.7

3.5

 − 0.6

CV, %

3.6

3.3

1.7

4.2

2.4

(B) Between-run accuracy and precision

Mean estimated concentration

1.02

2.98

296

784

 

RE, %

2.0

 − 0.7

 − 1.3

 − 2.0

 

CV, %

7.6

9.0

7.4

7.8

 
  1. 1Accuracy (RE, %) = (calculated concentration − theoretical concentration)/theoretical concentration × 100
  2. 2Precision (CV, %) = standard deviation of the concentration/mean concentration × 100
  3. 3Analyzed after a 20-fold dilution with blank plasma (viz. 16,000 → 800 ng/mL)