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- Title
Retrospective analysis of the impact of platinum dose reduction and chemotherapy delays on the outcomes of stage III ovarian cancer patients.
- Authors
Liutkauskiene, Sigita; Janciauskiene, Rasa; Jureniene, Kristina; Grizas, Saulius; Malonyte, Rasa; Juozaityte, Elona
- Abstract
Background: Ovarian cancer is a common gynaecological malignancy still remaining a challenge to treat. The objective of this study was to evaluate the impact of platinum dose reduction and chemotherapy delays on progression free survival and overall survival in patients with stage III ovarian cancer and to analyze reasons for such chemotherapy scheme modifications. Methods: Medical records of patients with FIGO stage III ovarian cancer were reviewed. Inclusion criteria involved FIGO stage III epithelial ovarian carcinoma; cytoreductive surgery performed and 6 courses of platinum-based chemotherapy completed; no neoadjuvant chemotherapy applied; and no history of previous malignancies. Progression free survival and overall survival were analyzed using Kaplan-Meier and Cox proportional hazards models. Results: Significant 3.3 times higher death risk in patients who experienced only chemotherapy delays compared with patients who did not experience any chemotherapy scheme modifications was established (HR = 3.3, 95% CI: 1.2-8.5, p = 0.016). Increased death risk in patients who experienced only chemotherapy delays compared with patients who experienced both chemotherapy delays and platinum dose reduction was also established (HR = 2.3, 95% CI: 1.1-4.8, p = 0.021). Main reasons for chemotherapy scheme modifications (in decreasing order) were the following: neutropenia, modifications with no objective medical reasons, renal disorders, anaemia, poor performance status, gastrointestinal symptoms and neuropathy. Overall survival in patients who experienced chemotherapy scheme modifications with no objective medical reasons was non-inferior than in patients who did not experience any chemotherapy scheme modifications. Conclusions: Chemotherapy delays in patients with FIGO stage III ovarian cancer caused lower overall survival. The most common reason for chemotherapy scheme modifications was neutropenia.
- Subjects
CANCER chemotherapy; OVARIAN cancer; OVARIAN cancer patients; DRUG dosage; PHYSIOLOGICAL effects of platinum; RETROSPECTIVE studies; TUMOR classification
- Publication
BMC Cancer, 2015, Vol 15, Issue 1, p1
- ISSN
1471-2407
- Publication type
Article
- DOI
10.1186/s12885-015-1104-5