Recombinant FVIII Products (Turoctocog Alfa and Turoctocog Alfa Pegol) Stable Up to 40°C
Received 7 October 2020
Accepted for publication 26 December 2020
Published 25 January 2021 Volume 2021:12 Pages 9—20
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 2
Editor who approved publication: Dr Martin Bluth
Mariasanta Napolitano,1 Arne Agerlin Olsen,2 Anne Mette Nøhr,2 Hermann Eichler3
1Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties (PROMISE), University of Palermo Reference Regional Center for Thrombosis and Hemostasis, Hematology Unit, Palermo, Italy; 2Novo Nordisk A/S, Biopharm Manufacturing Development, Gentofte, Denmark; 3Saarland University and Saarland University Hospital, Institute of Clinical Haemostaseology and Transfusion Medicine, Homburg (Saar), Germany
Correspondence: Anne Mette Nøhr
Biopharm Manufacturing Development, Novo Nordisk A/S, Nybrovej 80, Gentofte 2820, Denmark
Tel +45 3075 1619
Purpose: The stability under high-temperature conditions of factor VIII (FVIII) concentrates for replacement therapy is of critical importance to patients, particularly those who reside in, or travel to, regions with high ambient temperatures. Concerns about product stability may limit or prevent access to treatment for patients and may limit their ability to live a close-to-normal life. This study evaluated the effect of hot and humid storage conditions on the long-term stability of the recombinant FVIII products, turoctocog alfa and turoctocog alfa pegol.
Methods: Turoctocog alfa samples were assessed for stability at 30°C for 9 months or 40°C for 3 months following storage at 5°C for 21 or 27 months, respectively, while turoctocog alfa pegol samples were assessed at 30°C for 12 months or 40°C for 3 months following storage at 5°C for 18 or 27 months, respectively. In addition, turoctocog alfa and turoctocog alfa pegol dry powders were evaluated for stability at 5°C/ambient humidity (AH) for 30 months, 30°C/75% relative humidity (RH) for 12 months and 40°C/75% RH for 6 months. Both studies utilized a range of product strengths. Key stability assessments included oxidized forms, potency, water content and high molecular weight protein (HMWP).
Results: Both turoctocog alfa and turoctocog alfa pegol remained stable following storage at 40°C/75% RH for 3 months, and at single temperatures (5°C/AH, 30 and 40°C/75% RH), without any major increase in HMWP or any impairment of potency or water content.
Conclusion: Turoctocog alfa and turoctocog alfa pegol offer stability at 40°C for up to 3 months without jeopardizing the quality of each product. These stability characteristics may offer patients flexibility with product storage and daily use.
Keywords: factor VIII, hemophilia A, storage flexibility, temperature stability, turoctocog alfa, turoctocog alfa pegol
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