Pancreatic cancer in 2021: What you need to know to win

Table 4 Phase of trial and level of evidence of trial about chemotherapy for resectable and borderline resectable pancreatic ductal adenocarcinoma

Ref.	Phase of trial	Level of evidence
Neoptolemos et al[185]	III	II
Oettle et al[186]	III	I
Neoptolemos et al[187]	III	I
Neoptolemos et al[188]	III	I
Conroy et al[189]	III	I
You et al[195]	III	II
van Roessel et al[198]	IV	II
Versteijne et al[202]	III	II
Ghaneh et al[205]	II	II
Sohal et al[207]	IV	II
Labori et al[209]	III	II
Schwarz et al[210]	II	I
Ettrich et al[211]	II	II
Motoi et al[212]	III	II
UMIN-CTR Clinical Trial[215] (UMIN000026858)	III	II