Rapid development of hypertension and proteinuria with cediranib, an oral vascular endothelial growth factor receptor inhibitor.

Hypertension and proteinuria are common but poorly understood renal toxicities of vascular endothelial growth factor (VEGF) receptor signaling pathway inhibitors. In this phase II study of cediranib (AZD2171) for recurrent epithelial ovarian cancer, the time course and severity of BP changes and proteinuria were characterized. 46 women ages 41 to 77 years were treated with cediranib. 26% had baseline hypertension. Twice-daily BP was recorded. Urinalyses were performed every 2 weeks, and in some patients proteinuria was further quantified. 31 women (67%) developed hypertension by day 3; 87% by the end of the study. 43% developed grade > or =3 hypertension. Mean systolic BP increase over 3 days was 18 mmHg. Women above the mean age (> or =57 years) had a larger rise in systolic BP by day 3 (15.9 versus 7.0 mmHg). 14 women developed proteinuria. There was a dose response (45 versus 30 mg daily). Proteinuria also developed rapidly, with 7 of 14 women developing proteinuria within 2 weeks. Only 7 of 20 women who developed grade 3 hypertension developed proteinuria. Cediranib induced a rapid but variable rise in BP within 3 days of initiation in most patients. Proteinuria was common and also developed rapidly. The rapid development of hypertension suggests that acute inhibition of VEGF-dependent vasodilation might explain the BP rise with VEGF inhibitors. Clinicians must be vigilant in early detection and management of toxicities of this expanding drug class, especially in older patients.

Citation

Emily S Robinson, Ursula A Matulonis, Percy Ivy, Suzanne T Berlin, Karin Tyburski, Richard T Penson, Benjamin D Humphreys. Rapid development of hypertension and proteinuria with cediranib, an oral vascular endothelial growth factor receptor inhibitor. Clinical journal of the American Society of Nephrology : CJASN. 2010 Mar;5(3):477-83

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PMID: 20056761

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