Table 2.

Screening Criteria for Study Inclusion Into the Review and Meta-Analysis.

PICOS	Description of detail
P	Population: Adults (>18 years of age), cancer patients with an identified stage of cachexia (according to Fearon et al,21 2011), or animal models with a cachexia-inducing tumor implanted
I	Intervention: Sole, repetitive exercise performed at least for 7 days in a controlled (ie, supervised) exercise protocol (excluding voluntary exercise trials)
C	Comparison: Human or animal tumor hosts without structured exercise influence (also excluding studies which performed unilateral exercise and studies using the contralateral body part as control)
O	Outcomes: Primary: total body mass; Secondary: muscle mass and muscle cross-sectional area
S	Study design: Randomized-controlled trials or controlled trials