Breast Cancer Clinical Trial
Official title:
Efficacy of metfOrmin in PrevenTIng Glucocorticoid-induced Diabetes in Melanoma, breAst or Lung Cancer Patients With Brain Metastases: the Phase II OPTIMAL Study
This is a monocentric, open label, randomized Phase II study in patients with brain metastasis from melanoma, lung or breast cancer, who require treatment with high-dose dexamethasone, as defined as a minimum of 8 mg daily based on the clinician judgment, for at least three weeks, with or without radiation therapy. The aim is to investigate the metformin efficacy in preventing the onset of glucocorticoid-induced diabetes and other metabolic perturbations in patients with brain metastases from melanoma, lung or breast cancer.
The study will be conducted in approximately 110 adult patients. aim of the study is to evaluate the effect of oral metformin in preventing GC-induced alterations of systemic metabolism, and in particular GC-induced diabetes. Other clinical objectives of the study consist in investigating the impact of metformin on precocious mortality, deterioration of ECOG PS and local (brain) disease control rate at one month. As an exploratory analysis, the effect of dexamethasone plus/minus metformin on other metabolites or growth factors (including amino acids, fatty acids, ketone bodies, IGF-1), as well as on the number, activation status and metabolism of peripheral blood immune cell populations will be evaluated ;
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