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Turoctocog alfa pegol provides effective management for major and minor surgical procedures in patients across all age groups with severe haemophilia A: Full data set from the pathfinder 3 and 5 phase III trials.

ABSTRACT: INTRODUCTION:Turoctocog alfa pegol is a glycoPEGylated recombinant factor VIII (FVIII) with an extended half-life developed for prophylaxis, treatment of bleeds and perioperative management in patients with haemophilia A. AIM:Evaluate the efficacy and safety of turoctocog alfa pegol treatment for major and minor surgeries in the pathfinder 3 and 5 phase III trials. METHODS:Adults/adolescents aged ?12 years with severe haemophilia A (FVIII <1%) received perioperative turoctocog alfa pegol treatment planned to achieve FVIII activity levels >80% during major surgery (pathfinder 3). The primary end point was haemostatic efficacy during surgery; secondary end points were blood loss, haemostatic effect postsurgery, consumption, transfusions, safety and health economics. Children (0-11 years) undergoing minor surgeries received 20-75 IU/kg turoctocog alfa pegol at Investigator's discretion (pathfinder 5). RESULTS:pathfinder 3 included 35 patients undergoing 49 major surgeries. Haemostasis was successful in 47/49 (95.9%) surgeries; two had moderate haemostatic responses. Median (mean) blood loss during major surgery was 75 (322.6) mL. Four bleeds were reported postsurgery; three were successfully treated with turoctocog alfa pegol (one was not evaluated). On the day of surgery, overall mean (median) dose was 75.5 (74.5) IU/kg and mean (median) number of doses was 1.7 (2.0). Five procedures required 11 transfusions on the day of surgery or days 1-6. No safety concerns or inhibitors were identified. Forty-five minor surgeries in 23 children were performed without complications. CONCLUSION:Turoctocog alfa pegol was effective for perioperative haemostatic management of major and minor surgeries in patients across age groups with severe haemophilia A.

SUBMITTER: Tosetto A

PROVIDER: S-EPMC7317207 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Turoctocog alfa pegol provides effective management for major and minor surgical procedures in patients across all age groups with severe haemophilia A: Full data set from the pathfinder 3 and 5 phase III trials.

Tosetto Alberto A Neff Anne A Lentz Steven R SR Santagostino Elena E Nemes Laszlo L Sathar Jameela J Meijer Karina K Chowdary Pratima P Shen Chunduo C Landorph Andrea A Hampton Kingsley K

Haemophilia : the official journal of the World Federation of Hemophilia 20200415 3

<h4>Introduction</h4>Turoctocog alfa pegol is a glycoPEGylated recombinant factor VIII (FVIII) with an extended half-life developed for prophylaxis, treatment of bleeds and perioperative management in patients with haemophilia A.<h4>Aim</h4>Evaluate the efficacy and safety of turoctocog alfa pegol treatment for major and minor surgeries in the pathfinder 3 and 5 phase III trials.<h4>Methods</h4>Adults/adolescents aged ≥12 years with severe haemophilia A (FVIII <1%) received perioperative turocto ...[more]

PMID: 32293786

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Project description:PurposeTo illustrate the benefits of the extended half-life (EHL) recombinant factor VIII product N8-GP (Esperoct®, turoctocog alfa pegol) by describing individual cases of patients with severe hemophilia A treated with N8-GP in the pathfinder clinical trial program.Patients and methodsThis manuscript presents selected patient cases from the pivotal pathfinder clinical trial program, which included a number of clinical studies in adults (pathfinder 2 and 3) and children (pathfinder 5); overall results published previously. Clinical data and outcomes described in this manuscript are more detailed and derived from several interesting patient cases (five adults from pathfinder 2 and two children from pathfinder 5), who received N8-GP as prophylaxis (PPX) for their severe hemophilia A. Three of the five adults described here also underwent multiple major surgeries (for which they moved from pathfinder 2 into pathfinder 3 and later returned to pathfinder 2). New analyses on pediatric joint health from pathfinder 5 are also summarized here. Outcomes assessed included bleeding complications, improvements in quality of life, intraoperative hemostatic response, blood loss during surgery, number of blood transfusions, and annualized bleeding rates. For the pediatric patients, target joint resolution, adverse events, and annualized joint bleeding rate were also assessed, all by the treating physician.ResultsConsiderable improvements in treatment adherence, bleeding rates, and overall physical activity levels were demonstrated in two adult cases from the pathfinder 2 trial. N8-GP demonstrated good or excellent hemostatic coverage in three adult patients undergoing multiple major surgeries. The benefits of N8-GP for joint health and in support of children and adolescents with evolving active lifestyles were reported for several pediatric cases.ConclusionThese patient cases highlight the benefits of EHL products, such as N8-GP, for patients with severe hemophilia A. They include more challenging scenarios relating to improvements in previously poor adherence to PPX, children with active sporting lifestyles, and patients requiring multiple major surgeries.

Dataset Information

Turoctocog alfa pegol provides effective management for major and minor surgical procedures in patients across all age groups with severe haemophilia A: Full data set from the pathfinder 3 and 5 phase III trials.

Publications

Turoctocog alfa pegol provides effective management for major and minor surgical procedures in patients across all age groups with severe haemophilia A: Full data set from the pathfinder 3 and 5 phase III trials.

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