• Musa Baris Aykan, Gul Sema Yildiran, Ece Akcan, Ramazan Acar, Ismail Erturk, and Nuri Karadurmus.
• Department of Medical Oncology, University of Health Sciences, Gulhane School of Medicine, Ankara, Turkey.
• J Coll Physicians Surg Pak. 2022 Jul 1; 32 (7): 880-884.

ObjectiveTo determine the survival endpoints and treatment-related adverse events after the use of the gemcitabine, paclitaxel, and oxaliplatin (GemPOx) protocol in relapsed/refractory germ cell tumours (GCTs) who had previously received multi-line systemic treatments including high-dose chemotherapy.Study DesignObservational study.Place And Duration Of StudyClinic of Medical Oncology, Gulhane School of Medicine, Ankara, Turkey, between January 2017 and August 2021.MethodologyClinical characteristics of adult patients with relapsed/refractory GCTs treated with the GemPOx protocol were recorded from the hospital's patient registry database. Patients without a medical record were not included in the study. Objective response rate (ORR), progression-free survival (PFS), overall survival (OS), one-year PFS rate, one-year OS rate, and treatment-related haematological side effects were determined after GemPOx.ResultsFifty-three adult patients were included (47 of them were male). Seventy-eight percent had Stage 3 at initial diagnosis. Twenty-four percent of the patients received more than four lines of systemic chemotherapy. Ninety-six percent of the patients received high-dose chemotherapy prior to GemPOx. ORR, which is the sum of the complete and partial response rates, was 69.8%. PFS was determined as 8.5 ± 5.4 months. The one-year PFS rate was 30.3%. OS was 15.9 ± 10.6 months. The one-year OS rate was 72.6%. Febrile neutropenia was observed in 15.1% of the patients.ConclusionIn patients with relapsed/refractory GCTs receiving multi-line systemic chemotherapy, significant PFS and OS are achievable, and a manageable spectrum of haematological side effects is observed with GemPOx.Key WordsGemcitabine, Paclitaxel, Oxaliplatin, Germ cell tumour.

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