Clinical Study

Beneficial Effects of the mTOR Inhibitor Everolimus in Patients with Advanced Medullary Thyroid Carcinoma: Subgroup Results of a Phase II Trial

Table 1

Baseline characteristics.

All patients ()

Gender (, %)
 Female2 (29)
 Male5 (71)
Age (year; median, range)53 (44–74)
Time from diagnosis (year; median, range)4.3 (1.6–25.6)
Initial TNM stage (, %)
 IB (T2 N0 M0)0
 IIB (T2-3 N0-1 M0)2 (29)
 IIIA (T1-3 N1-2 M0)3 (43)
 IV (any T any N M1)2 (29)
 Unknown0
Tumor extent at study entry (, %)
 Locally advanced1 (14)
 Metastatic6 (86)
Number of disease sites (, %)
 11 (14)
 22 (29)
 ≥3 4 (57)
Mutational status (, %)
 RET M918T4 (57)
 MEN-IIA1 (14)
 EGFR P848L1 (14)
 Unknown1 (14)
Prior treatment (, %)
 Surgery6 (86)
 Radiation therapy2 (29)
 Tyrosine kinase inhibitor4 (57)

3 patients received XL184; 1 patient showed an ongoing PR for 14 months before he became progressive; 2 had PD as best result after 12 and 24 weeks. 1 patient had vandetanib for 8 months, followed by 3 months of sunitinib, which was stopped due to side effects.