Early response evaluation and prediction in neoadjuvant-treated patients with esophageal cancer

Table 2 Studies that have assessed the role of a PET scan in the response prediction of patients with neoadjuvant treated squamous cell cancer of the esophagus

Author	n	RCTx	2nd PET	Correlation of PET with histopathological response yes/no
Song et al[44], 2005	32	Cis/Cap/46 Gy	4 wk	Yes
Wieder et al[45], 2004	38	5 FU/40 Gy	During RCTx	Yes
Flamen et al[46], 2002	27	Cis/5-FU/40 Gy	After RCTx	Yes (tumor:liver ratio)
Kato et al[47], 2002	10	5-FU/30 Gy	After RCTx	No
Brücher et al[48], 2001	24	5-FU/30 Gy	After RCTx	Yes

PET: Positron emission tomography; Cis: Cisplatin; Cap: Capectabine; 5-FU: 5 Flurouracil; Gy: Gray; RCTx: Radiochemotherapy.