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Klamroth, R.; Simpson, M.; von Depka-Prondzinski, M.; Gill, J. C.; Morfini, M.; Powell, J. S.; Santagostino, E.; Davis, J.; Huth-Kühne, A.; Leissinger, C.; Neumeister, P.; Bensen-Kennedy, D.; Feussner, A.; Limsakun, T.; Zhou, M.; Veldman, A.; St. Ledger, K.; Blackman, N.; Pabinger, I.
Haemophilia : the official journal of the World Federation of Hemophilia, 09/2016, Letnik: 22, Številka: 5Journal Article
Background rVIII‐SingleChain, a novel recombinant factor VIII (rFVIII), has been designed as a B‐domain truncated construct with covalently bonded heavy and light chains, aiming to increase binding affinity to von Willebrand factor (VWF). Preclinical studies confirmed greater affinity for VWF, giving improved pharmacokinetic and pharmacodynamic properties compared with full‐length rFVIII. Aim To investigate the pharmacokinetics of rVIII‐SingleChain and compare them against those of full‐length rFVIII. Methods This study enrolled 27 patients with severe haemophilia A in the AFFINITY clinical trial programme. After a 4‐day washout period, all patients received a single infusion of 50 IU kg−1 octocog alfa (Advate®); after a ≥4‐day postinfusion washout period, they received a single infusion of 50 IU kg−1 rVIII‐SingleChain. Blood samples for pharmacokinetic assessments of each product were collected before infusion (predose) and at 0.5, 1, 4, 8, 10, 24, 32, 48 and 72 h postinfusion for both products. Results rVIII‐SingleChain had a longer mean half‐life (t1/2) (14.5 vs. 13.3 h), lower mean clearance (CL) (2.64 vs. 3.68 mL h−1 kg−1), higher mean residence time (20.4 vs. 17.1 h) and larger mean AUCinf (2090 vs. 1550 IU?h dL−1) than octocog alfa, respectively. The mean AUCinf after rVIII‐SingleChain infusion was ~35% larger than after octocog alfa. A similar pattern was observed for AUC0‐last. No serious adverse events or inhibitors were reported. Conclusions rVIII‐SingleChain has a favourable pharmacokinetic profile compared with octocog alfa and was well tolerated. The prolonged t1/2, larger AUC and reduced CL of rVIII‐SingleChain may permit longer dosing intervals, thereby improving patient adherence to prophylactic treatment.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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