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11 August 2022 : Case report  Poland

A 75-Year-Old Female Smoker with Advanced Small-Cell Lung Cancer and Eastern Cooperative Oncology Group Performance Status 2 who Responded to Combination Immunochemotherapy with Atezolizumab, Etoposide, and Carboplatin

Unusual clinical course, Unusual setting of medical care, Educational Purpose (only if useful for a systematic review or synthesis)

Michał Dębczyński1ABCDEF*, Damian Mojsak1ABCDEF, Beata Kuklińska1ABCDEF, Robert Marek Mróz1ADEF

DOI: 10.12659/AJCR.936536

Am J Case Rep 2022; 23:e936536

Abstract

BACKGROUND: Atezolizumab is an immune checkpoint inhibitor used as first-line treatment with carboplatin and etoposide chemotherapy for advanced small cell lung cancer. Immunochemotherapy treatment decisions can be affected by patients’ physical ability. Because of the exclusion of patients with an Eastern Cooperative Oncology Group Performance Status (ECOG PS) ≥2 from clinical trials, treatment outcome evidence in this group is limited.

CASE REPORT: We present the case of a 75-year-old woman with an ECOG PS of 2 admitted with respiratory symptoms and diagnosed with advanced small-cell lung cancer. After managing exacerbation of COPD and decompensated heart failure, atezolizumab with carboplatin and etoposide was administered. After 2 cycles of immunochemotherapy, deterioration of health was observed, including anemia and thrombocytopenia. Because of the good response in imaging tests and restored balance of the patient condition, immunochemotherapy was continued. After 4 cycles of combined treatment, complete regression was achieved. No another adverse effects were observed. The patient was qualified for maintenance therapy with atezolizumab. In follow-up CT scan after 2 cycles of atezolizumab, progression was observed and patient was qualified for second-line treatment.

CONCLUSIONS: This report presents the case of an older patient with advanced small cell lung cancer and an ECOG status of 2 who responded to combined immunochemotherapy with atezolizumab, etoposide, and carboplatin. Adverse effects observed during immunotherapy were not a reason for discontinuation of the therapy. The assessment of the effectiveness of immunotherapy in patients with ECOG PS ³2 is difficult owing to the insufficient representation of this group in clinical trials.

Keywords: Antineoplastic Combined Chemotherapy Protocols, case reports, Immunotherapy, Physical Functional Performance, Small Cell Lung Carcinoma

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923