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A two-part Phase II study of cediranib in patients with advanced solid tumours: the effect of food on single-dose pharmacokinetics and an evaluation of safety, efficacy and imaging pharmacodynamics

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Abstract

Background

Cediranib (RECENTIN™) is an oral, highly potent VEGF inhibitor. This study evaluated the effect of food on the pharmacokinetics of cediranib and compared the administration of continual cediranib via two dosing strategies using this as a platform to investigate pharmacodynamic imaging biomarkers.

Methods

Sixty patients were randomised to receive two single doses of cediranib in either fed/fasted or fasted/fed state (Part A). In continual dosage phase (Part B), patients were randomised to a fixed-dose or dose-escalation arm. Exploratory pharmacodynamic assessments were performed using DCE-MRI and CT enhancing fraction (EnF).

Results

In part A, plasma AUC and C max of cediranib were lower in the presence of food by a mean of 24 and 33%, respectively (94% CI: AUC, 12–34% and C max, 20–43%), indicating food reduces cediranib plasma exposure. In part B, cediranib 30 mg/day appeared to be the most sustainable for chronic dosing. Continuous cediranib therapy was associated with sustained antivascular effects up to 16 weeks, with significant reductions in DCE-MRI parameters and CT EnF.

Conclusions

It is recommended that cediranib be administered at least 1 h before or 2 h after food. Evidence of antitumour activity was observed, with significant sustained effects upon imaging vascular parameters.

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Acknowledgments

We would like to thank the patients who entered this study and all the research teams at all the sites. In addition, we would like to thank CRUK for their support for the clinical research teams involved within this study. We thank Dr Jen Lewis, from Mudskipper Bioscience, who provided medical-writing support funded by AstraZeneca.

Conflict of interest

None.

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Authors

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Correspondence to Claire L. Mitchell.

Additional information

RECENTIN™ is a trade mark of the AstraZeneca group of companies.

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Mitchell, C.L., O’Connor, J.P.B., Roberts, C. et al. A two-part Phase II study of cediranib in patients with advanced solid tumours: the effect of food on single-dose pharmacokinetics and an evaluation of safety, efficacy and imaging pharmacodynamics. Cancer Chemother Pharmacol 68, 631–641 (2011). https://doi.org/10.1007/s00280-010-1534-3

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  • DOI: https://doi.org/10.1007/s00280-010-1534-3

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