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Evaluation of the bioequivalence and food effect on the bioavailability of CC-486 (oral azacitidine) tablets in adult patients with cancer
Journal article   Open access   Peer reviewed

Evaluation of the bioequivalence and food effect on the bioavailability of CC-486 (oral azacitidine) tablets in adult patients with cancer

Hani M. Babiker, Mohammed Milhem, Joseph Aisner, William Edenfield, Dale Shepard, Michael Savona, Swaminathan Iyer, Maen Abdelrahim, C. L. Beach, Barry Skikne, …
Cancer chemotherapy and pharmacology, Vol.85(3), pp.621-626
03/01/2020
DOI: 10.1007/s00280-020-04037-9
PMCID: PMC7036073
PMID: 32036412
url
https://doi.org/10.1007/s00280-020-04037-9View
Published (Version of record) Open Access

Abstract

Purpose CC-486 is an oral formulation of azacitidine that allows for extended dosing schedules to prolong azacitidine exposure to malignant cells and maximize clinical activity. CC-486 300 mg daily, administered for 14 or 21 days of 28-day treatment cycles, is currently under investigation in two ongoing phase III trials. The 300-mg daily dose in these studies is administered as two 150-mg tablets (Formulation A). Methods We evaluated the bioequivalence of one 300-mg CC-486 tablet (Formulation B) with Formulation A and food effect on Formulation B, in adult patients with cancer in a 2-stage crossover design study. Results The ratios of the geometric means of the maximum azacitidine plasma concentration (C-max) and of the area under the plasma concentration-time curve from time 0 extrapolated to infinity (AUC(infinity)) were 101.5% and 105.7%, demonstrating the bioequivalence of Formulations A and B. Formulation B was rapidly absorbed under fasted and fed conditions. The geometric mean of C-max was significantly decreased by ~ 21% in the fed state. Median T-max was reached at 2 h and 1 h post-dose in fed and fasted states, respectively (P < 0.001). Nevertheless, systemic drug exposure (AUC) in fed and fasted states was within the 80-125% boundaries of bioequivalence and differences in C-max and T-max are not expected to have a clinical impact. Conclusion The single 300-mg CC-486 tablet was bioequivalent to two 150-mg tablets, which have shown to be efficacious and generally well-tolerated in clinical trials, and can be taken with or without food.
Oncology Life Sciences & Biomedicine Pharmacology & Pharmacy Science & Technology

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