EGFR tyrosine kinase inhibitor (TKI) plus chemotherapy showed no clear difference in overall survival compared with chemotherapy alone (low certainty).
It is very uncertain whether EGFR tyrosine kinase inhibitor (TKI) plus chemotherapy changes progression‐free survival compared with chemotherapy alone (very low certainty).
It is very uncertain whether EGFR tyrosine kinase inhibitor (TKI) plus chemotherapy changes toxicity: grade 3 or 4 rash compared with chemotherapy alone (very low certainty).
It is very uncertain whether EGFR tyrosine kinase inhibitor (TKI) plus chemotherapy changes toxicity: grade 3 or 4 nausea ± vomiting compared with chemotherapy alone (very low certainty).
It is very uncertain whether EGFR tyrosine kinase inhibitor (TKI) plus chemotherapy changes toxicity: grade 3 or 4 fatigue compared with chemotherapy alone (very low certainty).
EGFR tyrosine kinase inhibitor (TKI) plus chemotherapy showed no clear difference in toxicity: cardiac toxicity (any grade) compared with chemotherapy alone (low certainty).