What do systematic reviews say?

Chemotherapy vs chemotherapy alone

Chemotherapy showed no clear difference in progression‐free survival (non‐taxane monotherapy vs taxane… compared with chemotherapy (low certainty).

• Salvage systemic therapy for advanced gastric and oesophago‐gastric junction adenocarcinoma 2020 · Cochrane Headline outcomes only
  HR 1.14 [0.88, 1.48]
  1 study · 219 participants
  Low