A case of pathological complete regression in combined modality treatment of resectable Her2/neu-positive gastric cancer

Background. Overexpression of Her2neu occurs in 15–20% of patients with gastric cancer and correlates with an unfavorable prognosis. Case report. We report a case of pathological complete regression of resectable gastric cancer with Her2/neu overexpression. The patient received combined modality tre...

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Main Authors: A. V. Avgustinovich, S. G. Afanasyev, L. V. Spirina, E. V. Kaygorodova, R. V. Ermolenko, E. N. Samtsov, I. G. Frolova, O. V. Cheremisina
Format: Article
Language:Russian
Published: Russian Academy of Sciences, Tomsk National Research Medical Center 2024-03-01
Series:Сибирский онкологический журнал
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Online Access:https://www.siboncoj.ru/jour/article/view/2970
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Summary:Background. Overexpression of Her2neu occurs in 15–20% of patients with gastric cancer and correlates with an unfavorable prognosis. Case report. We report a case of pathological complete regression of resectable gastric cancer with Her2/neu overexpression. The patient received combined modality treatment including 8 cycles of neoadjuvant chemotherapy with mFLOT + trastuzumab followed by R0 resection. The addition of targeted therapy did not have a negative impact on the perioperative period. Histolohical examination of the surgical specimen revealed pathological complete response (Mandart TGR1). Currently, the patient has been followed-up for 27 months without signs of disease relapse. Conclusion. Total neoadjuvant chemotherapy with mFLОТ+ trastuzumab for operable gastric cancer with Her2/neu overexpression allows us to hope for improved long-term treatment outcomes.
ISSN:1814-4861
2312-3168