Annals of Oncology 12:289-300, 2001
© 2001 European Society for Medical Oncology
review-article |
High-dose progestins for the treatment of cancer anorexia-cachexia syndrome: A systematic review of randomised clinical trials
1Department of Medical Oncology, Pierantoni Hospital Forli, Italy
2Istituto Oncologico Romagnolo Forli, Italy
Correspondence toM. Maltoni, MD, Department of Medical Oncology, Pierantoni Hospital, Via Forlanini 34, 47100 Forli (FC), Italy, E-mail: i.o.r{at}fo.nettuno.it.malto.ma@tin.it)
Background: The aim of the present study was to summarise evidence from scientific studies on cancer anorexia-cachexia syndrome in order to assess and highlight the efficacy of high-dose progestins (megestrol acetate and medroxyprogesterone acetate) compared with placebo in patients with hormone-independent tumors.
Materials and methods: A systematic review of published randomised clinical trials was carried out by an extensive electronic and hand search through databases, relevant journals and books, congress proceedings, reference lists, without any language or year of publication restriction. The research was conducted by two independent operators who collected the data in a form specifically designed for this review. Among the several possible outcomes, appetite and body weight were chosen.
Results: Fifteen randomised clinical trials (more than 2000 patients) were retrieved for the review. There was a statistically significant advantage for high-dose progestins as regards improved appetite: pooled odds ratio (OR) = 4.23, 95% confidence interval (CI): 2.53–7.04. Although the effect of high-dose progestins on body weight was less impressive, statistical significance was also reached for this outcome: pooled OR = 2.66, 95% CI: 1.80–3.92.
Treatment morbidity was very low, due to the brief period of the treatment in most of the studies.
Conclusions: The effects of high-dose progestins on appetite and body weight were clearly demonstrated. However, further studies are undoubtedly warranted to investigate other aspects of progestin activity, especially as regards dosage, duration and timing with best therapeutic index.
advanced cancer, anorexia, cachexia, medroxy-progesterone acetate, megestrol acetate, randomised clinical trials
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