Therapeutic Response Statement (Sensitivity)

This therapeutic response statement supports the relationship that HER2-negative status confers therapeutic sensitivity to Cisplatin, Fluorouracil, Pembrolizumab in patients with Adenocarcinoma of the Gastroesophageal Junction.

This statement is based on a regulatory approval from the Health Canada:

KEYTRUDA (pembrolizumab), in combination with fluoropyrimidine- and platinum-containing chemotherapy, is indicated for the first-line treatment of adult patients with locally advanced unresectable or metastatic HER2-negative gastric or gastroesophageal junction (GEJ) adenocarcinoma.

Citation

Merck Canada Inc. Keytruda (pembrolizumab) [product monograph]. Health Canada website. https://pdf.hres.ca/dpd_pm/00080285.PDF. Published April 2025. Accessed June 2025.