Irinotecan + targeted therapy showed no clear difference in overall survival compared with irinotecan (low certainty).
Irinotecan probably leads to lower overall survival compared with non‐irinotecan‐containing regimens (moderate certainty).
It is very uncertain whether irinotecan changes overall survival ‐ Other comparisons compared with non‐irinotecan‐containing regimens (very low certainty).
Irinotecan + oxaliplatin probably leads to lower overall survival compared with irinotecan (moderate certainty).
Irinotecan showed no clear difference in overall survival ‐ Additive comparisons compared with non‐irinotecan‐containing regimens (low certainty).
Irinotecan‐based regimens showed no clear difference in overall survival compared with irinotecan (low certainty).
Irinotecan showed no clear difference in overall survival ‐ Substitutive comparisons compared with non‐irinotecan‐containing regimens (moderate certainty).