¹¹C-Labeled Pictilisib (GDC-0941) as a Molecular Tracer Targeting Phosphatidylinositol 3-Kinase (PI3K) for Breast Cancer Imaging

Table 1

IC₅₀ values of pictilisib, GDCI, and GDCM against cells.

Compounds	MCF-7		MDA-MB-231
	IC50 (μmol/L)	95% CI	IC50 (μmol/L)	95% CI
Pictilisib	7.14	5.56–9.17	19.57	14.40–26.60
GDCI	6.91	5.02–9.51	16.00	15.06–17.00
GDCM	73.26	28.64–187.4	130.8	71.57–406.8