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Pacheco Zavala E, Vargas Oliva C, Santibañez Bedolla KE, Murillo Ortíz BO, Martínez Villegas O, Amador Medina LF. Adult People with Hemophilia A Have Low Annualized Bleeding Rate, However the Arthropathy Remains a Burden: A Retrospective Cohort Study. Indian J Hematol Blood Transfus 2024; 40:487-493. [PMID: 39011249 PMCID: PMC11246366 DOI: 10.1007/s12288-023-01730-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 12/13/2023] [Indexed: 07/17/2024] Open
Abstract
Congenital Hemophilia A is a complex disease to treat, especially in places without access to hemophilia treatment centers (HTCs). The primary aim of this study was to analyze the outcomes of a cohort of adult people with congenital hemophilia A in an HTC localized in the Bajio region of Mexico. Observational retrospective study of a cohort of 82 adult people with congenital hemophilia A treated in a tertiary-level hospital in the Bajio region of Mexico, between June 2022 and June 2023. The median age of the patients was 29.5 years, 60.9% with severe hemophilia A, 53.6% were under some factor VIII prophylaxis regimen, and 52.4% had home therapy. The median annualized bleeding rate (ABR) was one bleed/year (IQR 0-3 bleeds/year) including a median of zero joint bleeds/year (IQR 0-3 bleeds/year). The presence of high-response inhibitors was detected in 8.5%, with an overall incidence of inhibitors of 14.6% of the cohort. Univariate analysis showed that inhibitors (OR 21.10; CI 95% 1.20-370.3; P = 0.03) and clinical arthropathy (OR 6.14; CI 95% 2.13-17.68; P = 0.001) were significantly higher in severe hemophilia. Clinically significant arthropathy was found in 71.9% of patients. Ultrasonography of the target joints showed that mainly cartilage degeneration was affected. Blood transfusion-associated viral infections were detected in 10.9% of patients. In our HTC, current treatment with hemostatic agents allows adequate control of ABR with acceptable inhibitor rates. However, we still have joint damage in most patients, which is partly explained by the fact that prophylaxis was introduced only in recent years.
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Affiliation(s)
- Eréndira Pacheco Zavala
- High Specialty Medical Unit UMAE No.1, Bajio, Mexican Institute of Social Security, Leon, Guanajuato, Mexico
| | - Carlos Vargas Oliva
- Department of Medicine and Nutrition, University of Guanajuato, Leon, Guanajuato, Mexico
| | | | - Blanca Olivia Murillo Ortíz
- Clinical Epidemiology Research Unit, OOAD Guanajuato, Mexican Institute of Social Security, Blvd. Adolfo López Mateos Esq Paseo de los Insurgentes S/N, Los Paraisos, 37320 Leon, Guanajuato, Mexico
| | - Octavio Martínez Villegas
- High Specialty Medical Unit, Hospital of Gynecology and Pediatrics No. 48, Mexican Institute of Social Security, Leon, Guanajuato, Mexico
| | - Lauro Fabián Amador Medina
- Clinical Epidemiology Research Unit, OOAD Guanajuato, Mexican Institute of Social Security, Blvd. Adolfo López Mateos Esq Paseo de los Insurgentes S/N, Los Paraisos, 37320 Leon, Guanajuato, Mexico
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Español MG, Mistretta JN, Tarantino MD, Roberts JC. The Evolution of Hemophilia Therapeutics: An Illustrated Review. Res Pract Thromb Haemost 2024; 8:102308. [PMID: 38883215 PMCID: PMC11180375 DOI: 10.1016/j.rpth.2023.102308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 11/30/2023] [Accepted: 12/19/2023] [Indexed: 06/18/2024] Open
Abstract
Hemophilia is a rare genetic bleeding disorder historically associated with high morbidity and mortality. Some individuals with hemophilia suffer associated chronic joint disease, chronic pain, and other physical and mental health challenges. In the last 50 years, a better understanding of the pathophysiology of the disease has resulted in extraordinary therapeutic advances leading to enhanced quality of life and increased life expectancy. We present an illustrated review of the evolution of hemophilia treatment from the development of non-factor therapies to gene therapy.
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Affiliation(s)
- María G Español
- The Bleeding & Clotting Disorders Institute, Peoria, IL
- Department of Pediatrics, University of Illinois College of Medicine at Peoria, Peoria, IL
| | | | - Michael D Tarantino
- The Bleeding & Clotting Disorders Institute, Peoria, IL
- Department of Pediatrics and Medicine, University of Illinois College of Medicine at Peoria, Peoria, IL
| | - Jonathan C Roberts
- The Bleeding & Clotting Disorders Institute, Peoria, IL
- Department of Pediatrics and Medicine, University of Illinois College of Medicine at Peoria, Peoria, IL
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3
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Coffin D, Gouider E, Konkle B, Hermans C, Lambert C, Diop S, Ayoub E, Tootoonchian E, Youttananukorn T, Dakik P, Pereira T, Iorio A, Pierce GF. The World Federation of Hemophilia World Bleeding Disorders Registry: insights from the first 10,000 patients. Res Pract Thromb Haemost 2023; 7:102264. [PMID: 38193052 PMCID: PMC10772874 DOI: 10.1016/j.rpth.2023.102264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 10/26/2023] [Accepted: 10/30/2023] [Indexed: 01/10/2024] Open
Abstract
Background The prevalence of hemophilia varies globally, with close to 100% of patients diagnosed in high-income countries and as low as 12% diagnosed in lower-income countries. These inequalities in the care of people with hemophilia exist across various care indicators. Objectives This analysis aims to describe the clinical care outcomes of patients in the World Bleeding Disorders Registry (WBDR). Methods In 2018, the World Federation of Hemophilia developed a global registry, the WBDR, to permit hemophilia treatment centers to collect clinical data, monitor patient care longitudinally, and identify gaps in management and treatment. Results As of July 18, 2022, 10,276 people with hemophilia were enrolled from 87 hemophilia treatment centers in 40 countries. Nearly half (49%, n = 5084) of patients had severe hemophilia; 99% were male, 85% had hemophilia A, and 67% were from low-middle-income countries. Globally, the age of diagnosis for people with severe hemophilia has improved considerably over the last 50 years, from 82 months (∼7 years) for those born before 1980 to 11 months for those born after 2010, and most prominently, among people with severe hemophilia in low- and low-middle-income countries, the age of diagnosis improved from 418 months (∼35 years) for those born before 1970 to 12 months for those born after 2010. Overall, the age of diagnosis of people with hemophilia in low- and low-middle-income countries is delayed by 3 decades compared to patients in upper-middle-income countries and by 4 decades compared to patients in high-income countries. Conclusion Data reveal large treatment and care disparities between socioeconomic groups, showing improvements when prophylaxis is initiated to prevent bleeding. Overall, care provided in low-income countries lags behind high-income countries by up to 40 years. Limitations in the interpretation of data include risk of survival and selection bias.
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Affiliation(s)
- Donna Coffin
- World Federation of Hemophilia, Montreal, Quebec, Canada
| | - Emma Gouider
- Service d’hématologie biologique Hemophilia Center Aziza Othmana, Faculté de Médecine de Tunis, Tunis, Tunisia
| | - Barbara Konkle
- Washington Center for Bleeding Disorders, Bloodworks Northwest, Seattle, Washington, USA
| | - Cedric Hermans
- Department of Internal Medicine, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Catherine Lambert
- Haemostasis and Thrombosis Unit, Division of Hematology, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Saliou Diop
- Department of Hematology, National Blood Transfusion Center, University Cheikh Anta Diop, Dakar, Senegal
| | - Emily Ayoub
- World Federation of Hemophilia, Montreal, Quebec, Canada
| | | | | | - Pamela Dakik
- World Federation of Hemophilia, Montreal, Quebec, Canada
| | | | - Alfonso Iorio
- Department of Clinical Epidemiology and Biostatistics, McMaster University, Hamilton, Ontario, Canada
- Department of Medicine, McMaster University, Hamilton, Ontario, Canada
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4
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Touré SA, Seck M, Sy D, Senghor AB, Faye BF, Diop S. Clinical outcome and incidence of inhibitor development in severe hemophilia patients receiving low-dose prophylaxis: a 3-year follow-up study in Senegal, West Africa. Hematol Transfus Cell Ther 2023; 45 Suppl 2:S95-S100. [PMID: 35606318 PMCID: PMC10433309 DOI: 10.1016/j.htct.2022.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 03/29/2022] [Accepted: 04/18/2022] [Indexed: 11/27/2022] Open
Abstract
INTRODUCTION In Africa, where access to diagnosis and treatment of hemophilia is the lowest in the world, prophylaxis is rarely used in preference to on-demand treatment. There are limited data of prophylaxis treatment from sub-Saharan Africa. The aim of this study was to evaluate clinical outcomes and inhibitor development in people with hemophilia receiving low-dose prophylaxis (LDP) in a sub-Saharan African setting. METHODS We conducted a three-year prospective study. A once or twice weekly prophylaxis regimen of 25 IU/kg of rFVIIIFc or 30 IU/kg of rFIXFc was given to Hemophilia A and B, respectively. We evaluated clinical outcomes and inhibitors occurrence, determined by screening and titration using the Nijmegen technique. RESULTS A total of 15 patients were included in the LDP regimen. The mean age was 6.3 years (1.5 - 10). A significant reduction was noted in the annualized bleeding rate, from 7.53 to 1.33 (p = 0.0001); the annualized joint bleeding rate passed from 3.6 to 1.4 (p = 0.001) and the proportion of severe bleeding, from 86.1% to 16.7% (p = 0.0001). The Hemophilia Joint Health Score (HJHS) moved from 9.6 to 3.4 (p = 0.0001) and the Functional Independence Score in Hemophilia (FISH) improved from 25.8 to 30.9 (p = 0.0001). School absenteeism decreased from 7.33% to 2.59%. Adherence to prophylaxis was 89.5% versus 60%. Consumption was 580 IU/kg/year versus 1254.6 IU/kg/year before and after prophylaxis, respectively. Incidence of inhibitors was 23% (3 /13 HA). CONCLUSION The LDP in Hemophilia improves the clinical outcome without a surplus risk of inhibitor development. Using extended half-life clotting factor concentrates (CFCs) is better for prophylaxis in resource-limited countries, as they allow better compliance in treatment.
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Affiliation(s)
- Sokhna Aïssatou Touré
- Cheikh Anta Diop University, Dakar, Senegal; National Blood Transfusion Center, Dakar, Senegal.
| | - Moussa Seck
- Cheikh Anta Diop University, Dakar, Senegal; National Blood Transfusion Center, Dakar, Senegal
| | - Diariatou Sy
- National Blood Transfusion Center, Dakar, Senegal
| | | | - Blaise Felix Faye
- Cheikh Anta Diop University, Dakar, Senegal; National Blood Transfusion Center, Dakar, Senegal
| | - Saliou Diop
- Cheikh Anta Diop University, Dakar, Senegal; National Blood Transfusion Center, Dakar, Senegal
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5
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Laliberté J, Coffin D, Haffar A, Mekhuzla S, Pierce GF, Flynn B, Márquez CS, Hermans C, Garrido C, Baumann A. Theory of change and strategic priorities of the world federation of haemophilia. Haemophilia 2023; 29:45-50. [PMID: 36222220 DOI: 10.1111/hae.14673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 09/14/2022] [Accepted: 09/25/2022] [Indexed: 01/25/2023]
Abstract
The World Federation of Haemophilia (WFH) is a global network of national member organizations (NMOs) that advocate, collectively and individually, to improve lives of people with inherited bleeding disorders. The WFH vision of "Treatment for All" speaks to a future in which all people with an inherited bleeding disorder will have access to care, regardless of their gender or where they live. Over the last several years, initiatives including the WFH Humanitarian Aid program, the World Bleeding Disorders Registry, and Guidelines for the Management of Haemophilia and von Willebrand disease have significantly changed how the WFH and its partners work to improve and sustain care for people with bleeding disorders. Following an extensive consultation that included over 200 stakeholders from 70 countries, a Theory of Change was developed, and strategic priorities identified, to clearly define the WFH's intended impact and point of accountability to its stakeholders, and to determine how and through who those goals will be achieved. Both should help the WFH better support its NMOs and healthcare providers around the world in their efforts to improve access to diagnosis and care, as new therapies revolutionize the treatment landscape and the fallout of the global pandemic continues to challenge the ways in which we work and connect. Global collaboration of all stakeholders, based on their resources, objectives and skills, will be required to achieve these goals and to ensure more people have reliable access to safe treatment and care, regardless of their bleeding disorder, gender, or where they live.
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Affiliation(s)
| | - Donna Coffin
- World Federation of Hemophilia, Montreal, Canada
| | - Assad Haffar
- World Federation of Hemophilia, Montreal, Canada
| | | | | | - Barry Flynn
- World Federation of Hemophilia, Montreal, Canada
| | | | - Cedric Hermans
- World Federation of Hemophilia, Montreal, Canada.,Division of Haematology, Haemostasis and Thrombosis Unit, Saint-Luc University Hospital, Université catholique de Louvain (UCLouvain), Brussels, Belgium
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6
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Boyce S, Rangarajan S. RNAi for the Treatment of People with Hemophilia: Current Evidence and Patient Selection. J Blood Med 2023; 14:317-327. [PMID: 37123985 PMCID: PMC10132380 DOI: 10.2147/jbm.s390521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 03/31/2023] [Indexed: 05/02/2023] Open
Abstract
Severe hemophilia is associated with spontaneous, prolonged and recurrent bleeding. Inadequate prevention and treatment of bleeding can lead to serious morbidity and mortality. Due to the limitations of intravenous clotting factor replacement, including the risk of inhibitory antibodies, innovative novel therapies have been developed that have dramatically changed the landscape of hemophilia therapy. Ribonucleic acid interference (RNAi) has brought the opportunity for multiple strategies to manipulate the hemostatic system and ameliorate the bleeding phenotype in severe bleeding disorders. Fitusiran is a RNAi therapeutic that inhibits the expression of the natural anticoagulant serpin antithrombin. Reduction in antithrombin is known to cause thrombosis if coagulation parameters are otherwise normal and can rebalance hemostasis in severe hemophilia. Reports from late stage clinical trials of fitusiran in hemophilia A and B participants, with and without inhibitory antibodies to exogenous clotting factor, have demonstrated efficacy in preventing bleeding events showing promise for a future "universal" prophylactic treatment of individuals with moderate-severe hemophilia.
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Affiliation(s)
- Sara Boyce
- Haemophilia Comprehensive Care Centre, University Hospital Southampton, Southampton, UK
- Correspondence: Sara Boyce, Email
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Pierce GF, Adediran M, Diop S, Dunn AL, El Ekiaby M, Kaczmarek R, Konkle BA, Pipe SW, Skinner MW, Valentino LA, Robinson F, Ampartzidis G, Martin J, Haffar A. Achieving access to haemophilia care in low-income and lower-middle-income countries: expanded Humanitarian Aid Program of the World Federation of Hemophilia after 5 years. Lancet Haematol 2022; 9:e689-e697. [PMID: 36055333 DOI: 10.1016/s2352-3026(22)00209-5] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 06/10/2022] [Accepted: 06/21/2022] [Indexed: 06/15/2023]
Abstract
Highly effective treatment of haemophilia A and B is primarily available to 15% of the world's population, in high-income countries. In low-income countries (LICs) and lower-middle-income countries (LMICs), morbidity and mortality are high because of greatly reduced access to diagnosis, care, and treatment. We report the challenges and impact after the first 5 years (mid-2015-2020) of the expanded World Federation of Hemophilia (WFH) Humanitarian Aid Program (HAP). WFH HAP donated coagulation products were used to treat more than 250 000 acute bleeding episodes, manage approximately 4000 surgeries, and establish bleeding preventive prophylaxis in about 2000 patients in 73 countries. Health-care providers worldwide learned optimal management of patients with complex needs through virtual and in-person training. In response to the programme, some governments increased investment in haemophilia care, including independent purchases of small amounts of treatment products. With unparalleled scope and complexity, and substantial benefits to people with haemophilia and society in general, the WFH HAP is an exemplar of partnership between for-profit and not-for-profit organisations advancing health-care equity in LICs and LMICs, which could be replicated by other organisations supporting people with different monogenic diseases.
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Affiliation(s)
| | | | - Saliou Diop
- World Federation of Hemophilia, Montréal, QC, Canada; Department of Hematology, University Cheikh Anta Diop, National Blood Transfusion Center, Dakar, Senegal
| | - Amy L Dunn
- Department of Hematology, Oncology, and Bone Marrow Transplant, Nationwide Children's Hospital, Columbus, OH, USA; Ohio State University College of Medicine, The Ohio State University, Columbus, OH, USA
| | - Magdy El Ekiaby
- Hemophilia Treatment Center, Shabrawishi Hospital, Giza, Egypt
| | - Radoslaw Kaczmarek
- Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN, USA; Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
| | - Barbara A Konkle
- Washington Center for Bleeding Disorders, Bloodworks Northwest, Seattle, WA, USA; Division of Hematology, University of Washington, Seattle, WA, USA
| | - Steven W Pipe
- Department of Pediatrics and Department of Pathology, University of Michigan, Ann Arbor, MI, USA; National Hemophilia Foundation, New York, NY, USA
| | - Mark W Skinner
- Institute of Policy Advancement, Washington, DC, USA; Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, ON, Canada
| | - Leonard A Valentino
- National Hemophilia Foundation, New York, NY, USA; Internal Medicine and Pediatrics, Rush University, Chicago, IL, USA
| | - Fiona Robinson
- Communications Fiona Robinson, PhD, Montréal, QC, Canada
| | | | - Jayson Martin
- World Federation of Hemophilia, Montréal, QC, Canada
| | - Assad Haffar
- World Federation of Hemophilia, Montréal, QC, Canada
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8
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Zwagemaker A, Kloosterman FR, Coppens M, Gouw SC, Boyce S, Bagot CN, Beckers EAM, Brons P, Castaman G, Eikenboom J, Jackson S, Kruip MJHA, Leebeek FWG, Meijer K, Nieuwenhuizen L, Pabinger I, Fijnvandraat K. Desmopressin for bleeding in non‐severe hemophilia A: Suboptimal use in a real‐world setting. Res Pract Thromb Haemost 2022; 6:e12777. [PMID: 36090159 PMCID: PMC9433315 DOI: 10.1002/rth2.12777] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 05/28/2022] [Accepted: 06/23/2022] [Indexed: 12/03/2022] Open
Abstract
Background Desmopressin is an important treatment option in nonsevere hemophilia A because it has several benefits compared with factor (F) concentrates, including no inhibitor risk and much lower costs. Despite these advantages, data are limited on the real‐world use of desmopressin in the treatment of bleeds. Objective To describe the clinical use of desmopressin in relation to other therapeutic modalities in the treatment of bleeding episodes in patients with nonsevere hemophilia A. Methods Patients with nonsevere hemophilia A aged 12–55 years were included from the DYNAMO cohort study. Data on the desmopressin test response and treated bleeding events in the period January 2009 to July 2020 were retrospectively collected from medical files. An adequate desmopressin test response was defined based on a peak FVIII level of ≥30 IU/dl. Results A total of 248 patients with a median age of 38 years (interquartile range 25–49) were included. An adequate desmopressin test response was documented in 25% and 73% of patients with moderate and mild hemophilia, respectively. In adequate responders, 51% of bleeds were exclusively treated with FVIII concentrates, 24% exclusively with desmopressin, 21% with a combination of both and 4% with other treatments. In 54% of bleeds treated with a single dose of factor concentrates, the expected FVIII level after desmopressin exceeded the level targeted. Conclusion Most bleeds in patients with an adequate response to desmopressin are treated with factor concentrates. These findings may indicate a suboptimal use of desmopressin and that barriers to the use of desmopressin should be explored.
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Affiliation(s)
- Anne‐Fleur Zwagemaker
- Amsterdam UMC University of Amsterdam, Emma Children's Hospital, Pediatric Hematology Amsterdam The Netherlands
| | - Fabienne R. Kloosterman
- Amsterdam UMC University of Amsterdam, Emma Children's Hospital, Pediatric Hematology Amsterdam The Netherlands
| | - Michiel Coppens
- Department of Vascular Medicine Amsterdam University Medical Centers Amsterdam The Netherlands
| | - Samantha C. Gouw
- Amsterdam UMC University of Amsterdam, Emma Children's Hospital, Pediatric Hematology Amsterdam The Netherlands
| | - Sara Boyce
- Department of Haematology University Hospital Southampton Southampton UK
| | | | - Erik A. M. Beckers
- Department of Internal Medicine, Division of Hematology, CARIM School for Cardiovascular Diseases Maastricht University Medical Center Maastricht The Netherlands
| | - Paul Brons
- Department of Pediatric Hemato‐Oncology Radboud University Medical Center Nijmegen The Netherlands
| | - Giancarlo Castaman
- Department of Oncology, Center for Bleeding Disorders Careggi University Hospital Florence Italy
| | - Jeroen Eikenboom
- Department of Internal Medicine, Division of Thrombosis and Hemostasis Leiden University Medical Center Leiden The Netherlands
| | - Shannon Jackson
- Adult Bleeding Disorders Program of BC ‐ Adult Division St. Paul's Hospital Vancouver British Columbia Canada
| | - Marieke J. H. A. Kruip
- Department of Hematology Erasmus MC, Erasmus University Medical Center Rotterdam The Netherlands
| | - Frank W. G. Leebeek
- Department of Hematology Erasmus MC, Erasmus University Medical Center Rotterdam The Netherlands
| | - Karina Meijer
- Department of Hematology University Medical Center Groningen, University of Groningen Groningen The Netherlands
| | | | - Ingrid Pabinger
- Clinical Division of Hematology and Hemostaseology Medical University of Vienna Vienna Austria
| | - Karin Fijnvandraat
- Amsterdam UMC University of Amsterdam, Emma Children's Hospital, Pediatric Hematology Amsterdam The Netherlands
- Department of Molecular Cellular Hemostasis Sanquin Research and Landsteiner Laboratory Amsterdam The Netherlands
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9
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Pierce GF, Haffar A, Baumann A, Hermans C. Supporting patients with haemophilia in a world of crises: New role for the WFH and its partners. Haemophilia 2022; 28:521-522. [PMID: 35819912 DOI: 10.1111/hae.14610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/24/2022] [Accepted: 06/08/2022] [Indexed: 11/30/2022]
Affiliation(s)
| | - Assad Haffar
- World Federation of Haemophilia, Montreal, Canada
| | | | - Cedric Hermans
- World Federation of Haemophilia, Montreal, Canada.,Division of Haematology, Haemostasis and Thrombosis Unit, Saint-Luc University Hospital, Université catholique de Louvain (UCLouvain), Brussels, Belgium
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10
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Carcao M, Gouider E, Wu R. Low dose prophylaxis and antifibrinolytics: Options to consider with proven benefits for persons with haemophilia. Haemophilia 2022; 28 Suppl 4:26-34. [PMID: 35521737 DOI: 10.1111/hae.14552] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 03/07/2022] [Accepted: 03/07/2022] [Indexed: 12/27/2022]
Abstract
INTRODUCTION Prophylaxis has become standard of care for persons with severe phenotype haemophilia (PWsH). However, 'standard prophylaxis' with either factor or non-factor therapies (emicizumab) is prohibitively expensive for much of the world. We sought to evaluate whether haemophilia care can be provided at a lower cost yet achieve good results using Lower dose/Lower frequency prophylaxis (LDP) and with increasing use of antifibrinolytics (Tranexamic acid and Epsilon amino caproic acid). METHODS We identified 12 studies that collectively included 335 PWsH using LDP. Additionally, we undertook a literature search regarding the benefits of antifibrinolytics in haemophilia care. RESULTS Identified studies show that LDP is far superior to no prophylaxis (On demand [OD] therapy) resulting in significant patient benefits. Patients on LDP showed (in comparison to patients OD) on average: 72% less total bleeds; 75% less joint bleeds; 91% less days lost from school; 77% less hospital admission days; and improved quality of life measures. These benefits come at similar or only slightly higher (< 2-fold greater) costs than OD therapy. Antifibrinolytics are effective adjunctive agents in managing bleeds (oral, nasal, intracranial, possibly other) and providing haemostasis for surgeries (particularly oral surgeries). Antifibrinolytics can substitute for more expensive factor concentrates or can reduce the use of such concentrates. There is evidence to show that antifibrinolytics may be used in conjunction with factor concentrates/emicizumab for more effective/less costly prophylaxis. CONCLUSIONS The use of LDP along with appropriate and increased use of antifibrinolytics offers less resourced countries good options for managing patients with haemophilia.
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Affiliation(s)
- Manuel Carcao
- Haemophilia Clinic and Haemostasis Program, Division of Haematology/Oncology, Department of Paediatrics, Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Emna Gouider
- Hemophilia Treatment Centre, Aziza Othmana Hospital, University Tunis El Manar, Tunis, Tunisia
| | - Runhui Wu
- Haemophilia Comprehensive Care Centre, Haematology Centre, Beijing Children's Hospital, National Centre for Children's Health, Capital Medical University, Beijing, China
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11
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Ozelo MC, Yamaguti‐Hayakawa GG. Impact of novel hemophilia therapies around the world. Res Pract Thromb Haemost 2022; 6:e12695. [PMID: 35434467 PMCID: PMC9004233 DOI: 10.1002/rth2.12695] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/02/2022] [Accepted: 03/22/2022] [Indexed: 12/22/2022] Open
Abstract
Hemophilia A and B are hereditary bleeding disorders, characterized by factor VIII or IX deficiencies, respectively. For many decades, prophylaxis with coagulation factor concentrates (replacement therapy) was the standard‐of‐care approach in hemophilia. Since the 1950s, when prophylaxis started, factor concentrates have been improved with virus inactivation and molecule modification to extend its half‐life. The past years have brought an intense revolution in hemophilia care, with the development of nonfactor therapy and gene therapy. Emicizumab is the first and only nonreplacement agent to be licensed for prophylaxis in people with hemophilia A, and real‐world data show similar efficacy and safety from the pivotal studies. Other nonreplacement agents and gene therapy have ongoing studies with promising results. Innovative approaches, like subcutaneous factor VIII and lipid nanoparticles, are in the preclinical phase. These novel agents, such as extended half‐life concentrates and emicizumab, have been available in resource‐constrained countries through the constant efforts of the World Federation of Haemophilia Humanitarian Aid Program. Despite the wide range of new approaches and therapies, the main challenge remains the same: to guarantee treatment for all. In this article, we discuss the evolution of hemophilia care, global access to hemophilia treatment, and the current and future strategies that are now under development. Finally, we summarize relevant new data on this topic presented at the ISTH 2021 virtual congress.
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Affiliation(s)
- Margareth C. Ozelo
- Hemocentro UNICAMP University of Campinas Campinas Brazil
- Department of Internal Medicine School of Medical Sciences University of Campinas UNICAMP Campinas Brazil
| | - Gabriela G. Yamaguti‐Hayakawa
- Hemocentro UNICAMP University of Campinas Campinas Brazil
- Department of Internal Medicine School of Medical Sciences University of Campinas UNICAMP Campinas Brazil
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12
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Mousavi SH, Arif S, Madadi S, Mansouritorghabeh H. Determining causes of death among individuals with haemophilia in Afghanistan. Haemophilia 2021; 28:86-90. [PMID: 34837287 DOI: 10.1111/hae.14462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 11/07/2021] [Accepted: 11/08/2021] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Haemophilia is a well-known bleeding disorder that affects people worldwide. The main therapeutic strategy is regular infusion of exogenous factor VIII to ensure an optimal haemostatic standard. Morbidity and mortality of individuals with haemophilia has decreased in developing countries due to improvement in early detection, advanced treatments, and comprehensive population outreach efforts. However, individuals with bleeding disorders in developing countries like Afghanistan do not have access to such therapeutic facilities. AIMS The goals of this study were to determine the causes of death and findings related to death among in individuals with bleeding disorders in Afghanistan. METHODS This study conducted as a retrospective cross-sectional study of 387 individuals with bleeding disorders (mainly haemophilia) in Afghanistan. RESULTS All registered individuals with bleeding disorders in Afghanistan were interviewed by telephone. Among the 387 individuals with bleeding disorders, there were 136 deaths. Most deaths occurred in individuals aged 1-15 years (66.2%). Intracranial haemorrhage was the leading cause of death in individuals with haemophilia A and B. CONCLUSION These findings revealed that supply of coagulation factor concentrates, facilities for haemostasis diagnosis, and trained haematologists is inadequate in Afghanistan.
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Affiliation(s)
- Seyed Hamid Mousavi
- Medical Research Centre, Kateb University, Kabul, Afghanistan.,Afghanistan National Charity Organization for Special Diseases (ANCOSD), Kabul, Afghanistan
| | - Shamim Arif
- Faculty of Medicine, Kateb University, Kabul, Afghanistan
| | - Shekiba Madadi
- Faculty of Medicine, Kateb University, Kabul, Afghanistan
| | - Hassan Mansouritorghabeh
- Central Diagnostic Laboratories, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
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13
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Hossain MS, Mosabbir AA. Haemophilia in South Asia: A perspective from Bangladesh. Haemophilia 2021; 28:e18-e19. [PMID: 34676626 DOI: 10.1111/hae.14445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 10/12/2021] [Accepted: 10/12/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Mohammad Sorowar Hossain
- Department of Emerging and Neglected Diseases, Biomedical Research Foundation, Dhaka, Bangladesh
| | - Abdullah Al Mosabbir
- Department of Emerging and Neglected Diseases, Biomedical Research Foundation, Dhaka, Bangladesh.,Department of Haematology, Dhaka Medical College Hospital, Dhaka, Bangladesh
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14
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Ghosh K, Ghosh K. Overcoming the challenges of treating hemophilia in resource-limited nations: a focus on medication access and adherence. Expert Rev Hematol 2021; 14:721-730. [PMID: 34278926 DOI: 10.1080/17474086.2021.1957826] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Hemophilia is a high cost low volume disease. Resource limited nations (RLN) usually spend very little on health budget and most of it is spent in dealing with common ailments. Clotting products constitute more than 90% of the total cost of hemophilia care. The manner in which these products can be made accessible for persons with hemophilia (PWH) and how its continuous supply and distribution can be maintained and improved is described in this review. AREAS COVERED Number of PWH in the Resource Limited Nations (RLN); minimum amount of concentrate required to keep a PWH relatively free of bleeds; the different products available for management of PWH; means and ways to minimize and optimize the concentrate usage and purchase on a budget; nonfactor therapy; ways and means to improve the management and allow better quality concentrates in higher quantities for PWH in those countries; adherence as a challenge for RLN country and ways to manage them. The time covered is from 1980s till date. Pubmed was searched mainly for review articles with the key words hemophilia, RLN, concentrate access, alternative therapy. Cross references from these reviews as well as some of the abstracts from international conferences were read. EXPERT OPINION Developing a patient's society and a bleeding disorder registry are the two most important actions toward ensuring adequate treatment material for PWH in RLN. Government should allocate a budget for hemophilia care depending on the number of PWH diagnosed and future projection of increased numbers of PWH. Population based product requirement may not work initially as only 10-20% of PWH in such a country has been diagnosed hence initial requirement of concentrates should be directed to these patients. Meanwhile efforts should be made to diagnose new cases. Antenatal diagnosis centers should offer antenatal diagnosis and prevent birth of severe hemophilia children. Self sufficiency in plasma based concentrates should be planned and aimed. A national tendering committee can get a good price on the concentrates on global tendering with annual rate contracts (prevents outdating). Avoiding wastage by outdating of the products in large denomination vials will help. Hoarding concentrates in unreasonable amounts should be avoided through good supply chain management. Regular physiotherapy, proper use of optimum amounts of concentrate will reduce per PWH consumption of the factor concentrates. Plasma derived intermediate purity factors, first/second generation recombinant clotting factors are safe and relatively cheaper as well as effective. Also concentrates which are close to their expiry date (>3 < 6 months) are equally effective and cheap. With proper supply chain management such products can be included in the portfolio. Primary prophylaxis with low/ intermediate dose of the concentrates is a cost-effective way to manage the patients and this also reduces inhibitor development. Adherence to therapy is not yet an important issue for RLN countries but will become one in future. With advancement and improvement the country can access alternative non factor concentrates and other newer products.
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Affiliation(s)
- Kanjaksha Ghosh
- Haemostasis & Thrombosis, National Institute of Immunohaematology, Mumbai, India
| | - Kinjalka Ghosh
- Clinical Biochemistry, Tata Memorial Hospital and Homi Bhaba National Institute, Mumbai, India
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15
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Abstract
Haemophilia A and B are rare congenital, recessive X-linked disorders caused by lack or deficiency of clotting factor VIII (FVIII) or IX (FIX), respectively. The severity of the disease depends on the reduction of levels of FVIII or FIX, which are determined by the type of the causative mutation in the genes encoding the factors (F8 and F9, respectively). The hallmark clinical characteristic, especially in untreated severe forms, is bleeding (spontaneous or after trauma) into major joints such as ankles, knees and elbows, which can result in the development of arthropathy. Intracranial bleeds and bleeds into internal organs may be life-threatening. The median life expectancy was ~30 years until the 1960s, but improved understanding of the disorder and development of efficacious therapy based on prophylactic replacement of the missing factor has caused a paradigm shift, and today individuals with haemophilia can look forward to a virtually normal life expectancy and quality of life. Nevertheless, the potential development of inhibitory antibodies to infused factor is still a major hurdle to overcome in a substantial proportion of patients. Finally, gene therapy for both types of haemophilia has progressed remarkably and could soon become a reality.
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16
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Hermans C, Mancuso ME, Nolan B, Pasi KJ. Recombinant factor VIII Fc for the treatment of haemophilia A. Eur J Haematol 2021; 106:745-761. [PMID: 33650192 PMCID: PMC8252769 DOI: 10.1111/ejh.13610] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 02/24/2021] [Indexed: 12/13/2022]
Abstract
Prophylaxis with factor VIII (FVIII) is the current therapeutic approach for people with haemophilia A. However, standard half-life (SHL) FVIII products must be injected frequently, imposing a substantial burden on the individual and making it difficult to tailor therapy according to patient need and lifestyle, which could impact adherence. Recombinant FVIII Fc fusion protein (rFVIIIFc; Elocta® , Sobi; Eloctate® , Sanofi) is a recombinant fusion protein that undergoes slower clearance from the body than SHL FVIII products. This pharmacokinetic property of rFVIIIFc allows prophylactic administration every 3-5 days, or once weekly in selected patients, with doses adjusted to patient needs and clinical outcomes. Higher FVIII levels can be achieved maintaining dosing frequency similar to that usually applied with SHL FVIII. This review provides a summary of recent data from the A-LONG, Kids A-LONG, ASPIRE and PUPs A-LONG studies and recently published real-world experience relevant to rFVIIIFc use in individualised regimens. The review also introduces ongoing studies of rFVIIIFc, including its use for induction of immune tolerance, and discusses some aspects to consider when switching patients to rFVIIIFc and managing ongoing treatment. In summary, rFVIIIFc is suitable for individualised prophylaxis regimens that can be tailored according to patient clinical needs and lifestyle.
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Affiliation(s)
- Cedric Hermans
- Haemostasis and Thrombosis UnitDivision of HaematologyCliniques Universitaires Saint‐LucUniversité catholique de Louvain (UCLouvain)BrusselsBelgium
| | - Maria Elisa Mancuso
- Center for Thrombosis and Hemorrhagic DiseasesHumanitas Clinical and Research Center ‐ IRCCSRozzanoItaly
| | | | - K. John Pasi
- Royal London Haemophilia CentreBarts and the London School of Medicine and DentistryLondonUK
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17
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Hermans C, Makris M. Disruptive technology and hemophilia care: The multiple impacts of emicizumab. Res Pract Thromb Haemost 2021; 5:e12508. [PMID: 34027289 PMCID: PMC8116836 DOI: 10.1002/rth2.12508] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 02/19/2021] [Accepted: 02/26/2021] [Indexed: 12/24/2022] Open
Abstract
Emicizumab, a bispecific antibody mimicking the action of factor VIII (FVIII), is currently the first and only approved and increasingly accessible disruptive treatment option for hemophilia A, a disease so far mainly treated with frequent intravenous infusions of FVIII concentrates or bypassing agents in case of inhibitor development. Other disruptive treatments are expected to follow, such as agents that rebalance coagulation and gene therapy with the ambition of curing hemophilia. While these treatment options represent major achievements or expectations, their adoption and implementation should consider their multiple direct and indirect, immediate or delayed, consequences on hemophilia care globally. It is these multiple changes, present and future, already visible or hypothetical, that this article intends to review and explore.
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Affiliation(s)
- Cedric Hermans
- Hemostasis and Thrombosis Unit Division of Hematology Cliniques Universitaires Saint-Luc Université catholique de Louvain (UCLouvain) Brussels Belgium
| | - Mike Makris
- Department of Infection, Immunity and Cardiovascular Disease University of Sheffield Sheffield UK.,Sheffield Haemophilia and Thrombosis Centre Royal Hallamshire Hospital Sheffield UK
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18
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Sannié T, de Moerloose P. How to implement medical and patient associations in low-income countries: A proposition from the African French Alliance for the Treatment of Haemophilia (AFATH). Haemophilia 2021; 27:261-269. [PMID: 33620137 DOI: 10.1111/hae.14269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 01/18/2021] [Accepted: 01/21/2021] [Indexed: 11/29/2022]
Abstract
INTRODUCTION There is a lack of joint recommendations by healthcare professionals (HCP) and patient organizations when a partnership between high and low-income countries in the field of haemophilia is planned. AIM To draft recommendations to clarify the methodology when a partnership between low- and high-income countries is planned with the objective of a long-term implication. This methodology is to be implemented for fulfilling both medical and associative aims. METHODS Based on the available literature, a first document was written, then diffused to AFATH (Alliance Franco-Africaine pour le Traitement de l'Hémophilie) members, and after a one-day meeting and further amendments, a second draft was approved by all members before submission for publication. RESULTS Based on 6 years experience, several recommendations regarding the joint and separate roles of patient association and HCP for a first mission in French-speaking sub-Saharan African countries have been established. The proposed methodology for establishing preliminary contacts, the first visit and the key points for diagnostic action, medical follow-up, patient education and advocacy strategy outlines a model of partnership between patients and HCP. CONCLUSION This paper written jointly by patients and physicians underlines the importance of reciprocal expert guidance and a partnership based on complementary inputs.
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Affiliation(s)
- Thomas Sannié
- Thomas Sannié, Association Française des Hémophiles, Paris, France
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19
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Pierce GF, Haffar A, Coffin D. Impact of humanitarian aid linked prophylaxis in Côte d'Ivoire (Ivory Coast). Haemophilia 2021; 27:9-11. [PMID: 33528069 DOI: 10.1111/hae.14246] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 12/16/2020] [Accepted: 12/20/2020] [Indexed: 11/29/2022]
Affiliation(s)
| | - Assad Haffar
- World Federation of Hemophilia, Montreal, QC, Canada
| | - Donna Coffin
- World Federation of Hemophilia, Montreal, QC, Canada
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20
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El Ekiaby M, Haffar A. Low-dose surgical prophylaxis: Optimization of use of World Federation of Hemophilia Humanitarian Aid donated clotting factor concentrates to developing countries. Haemophilia 2021; 26 Suppl 3:11-15. [PMID: 32356350 DOI: 10.1111/hae.13921] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Patients with hemophilia (PWH) might need surgical interventions during the course of their lives. Such medical interventions pose hemostatic challenges and requests infusion of clotting factor concentrates (CFCs) during peri and postoperative for variable periods to prevent bleeding and until complete wound healing. Access to CFCs to PWH living in resource limited settings is usually a challenge which makes surgical interventions either risky or not practical. Recently World Federation of Hemophilia (WFH) started a humanitarian aid program to channel CFCs into resource limited countries and which allowed the possibility to perform surgical interventions for PWH in these countries. AIM OF WORK To study safety and efficacy of using lower doses of CFCs for surgical prophylaxis. METHODS Review of literature and our center experience to demonstrate safety and efficacy of low dose surgical prophylaxis using CFCs RESULTS: Several elements can help using lower doses of CFCs for surgical prophylaxis in resource limited setting. These elements include severity of hemophilia, type of surgical procedure, the use of hemostatic surgical techniques, the type of CFCs, the mode of infusion of CFCs and finally the use of adjunctive therapies CONCLUSION: Management of surgical procedures for PWH in a multidisciplinary specialized hemophilia treatment centers with proper understanding of hemostatic and surgical challenges of the procedure can allow for safe and effective use of lower doses of CFCs for surgical prophylaxis.
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Affiliation(s)
- Magdy El Ekiaby
- Shabrawishi Hospital Blood Transfusion and Hemophilia Treatment Center, Giza, Egypt
| | - Assad Haffar
- World Federation of Hemophilia, Montreal, QC, Canada
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21
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Mbanya DN, Diop S, Ndoumba Mintya AN, El Kiaby M. Hemophilia care in Africa: Status and challenges. Transfus Clin Biol 2021; 28:158-162. [PMID: 33515729 DOI: 10.1016/j.tracli.2021.01.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Haemophilia care remains challenging especially in resource-limited settings where haemophilia and other non-communicable diseases may not be considered a healthcare priority, in comparison to malaria, HIV/AIDS and other infectious diseases. This article is a review of the evolution in haemophilia care in Africa, with focus on countries with varying degrees of care (Cameroon with budding care; Senegal with more evolved care and Egypt with a more longstanding history of care). The indispensable role of the World Federation of Haemophilia is highlighted in all the contexts of care.
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Affiliation(s)
- D N Mbanya
- Faculty of Medicine & Biomedical Sciences, University of Yaounde I and Yaounde University Teaching Hospital, P.O Box: 1364, Yaoundé, Cameroon.
| | - S Diop
- National Blood Transfusion Service, BP: 5002, Dakar, Senegal
| | - A N Ndoumba Mintya
- Faculty of Medicine & Biomedical Sciences, University of Yaounde I and Yaounde University Teaching Hospital, P.O Box: 1364, Yaoundé, Cameroon
| | - M El Kiaby
- Egypt Shabrawishi Hospital International Hemophilia Treatment Center, Giza, Egypt
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22
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Choi EJ, Hwang TJ, Choi YM, Kim HC, Yoo MC, Song H, Badejo K. Safety and effectiveness of Rixubis in patients with hemophilia B: a real-world, prospective, postmarketing surveillance study in South Korea. Blood Res 2020; 55:246-252. [PMID: 33303707 PMCID: PMC7784123 DOI: 10.5045/br.2020.2020225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 10/30/2020] [Indexed: 11/23/2022] Open
Abstract
Background Rixubis (recombinant factor IX, nonacog gamma) is indicated for the control and prevention of bleeding episodes, perioperative management, and routine prophylaxis in hemophilia B patients. This real-world, postmarketing surveillance study aimed to evaluate the safety and effectiveness of Rixubis in adult and pediatric hemophilia B patients in South Korea. Methods This prospective, observational, multicenter study (clinicaltrials.gov identifier NCT029 22231) was conducted in hemophilia B patients between April 2015 and April 2019, who were observed for up to 6 months after the initiation of Rixubis treatment. Safety was evaluated based on the number and severity of adverse events (AEs) and serious AEs (SAEs). Hemostatic effectiveness was assessed by physicians and patients by using a four-point scale and rated as excellent, good, fair, or no response based on treatment type. Results In all, 58 patients were enrolled from four centers by seven physicians during the study period. The safety and effectiveness analysis sets included 57 and 54 patients, respectively. Overall, 11 AEs were reported in eight patients (14.0%), of which three were SAEs and occurred in three patients (5.3%). All 11 AEs were reported as unexpected and mild in severity, with no anaphylactic reaction, and 10 AEs (90.9%) resolved. The majority of AEs (10) were unrelated to Rixubis. Of the 142 hemostatic effectiveness assessments, 123 (86.6%) were reported as good or excellent. Conclusion Rixubis demonstrated an acceptable safety and effectiveness profile in the treatment of bleeding, perioperative management, and prophylaxis in hemophilia B patients in a real-world setting in South Korea.
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Affiliation(s)
- Eun Jin Choi
- Department of Pediatrics, Daegu Catholic University Medical Center, Daegu, Korea
| | - Tai ju Hwang
- Korea Hemophilia Foundation Clinic, Gwangju, Korea
| | | | | | | | - Haylee Song
- Hematology, Growth and Emerging Markets, Takeda Pharmaceutical International, Singapore
| | - Kayode Badejo
- Global Patient safety Evaluation, Takeda Pharmaceutical Company Ltd, Cambridge, MA, USA
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23
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Lambert C, Meité N, Sanogo I, Lobet S, Hermans C. Feasibility and outcomes of low-dose and low-frequency prophylaxis with recombinant extended half-life products (Fc-rFVIII and Fc-rFIX) in Ivorian children with hemophilia: Two-year experience in the setting of World Federation of Haemophilia humanitarian aid programme. Haemophilia 2020; 27:33-40. [PMID: 33245818 DOI: 10.1111/hae.14216] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/29/2020] [Accepted: 11/09/2020] [Indexed: 02/06/2023]
Abstract
INTRODUCTION In sub-Saharan Africa, access to clotting factor concentrates (CFCs) is often extremely limited and published data on people with haemophilia on prophylaxis are almost not existent. AIMS AND METHODS To assess the feasibility, barriers and outcomes of a low-dose and low-frequency prophylaxis with extended half-life (EHL) recombinant Fc fusion FVIII and FIX in Ivorian children on a two-year period in the setting of the World Federation of Hemophilia's (WFH) humanitarian aid programme. RESULTS Twenty-five boys with haemophilia were included. Mean (SD) age at inclusion was 5.6 (2.5) years. The median [range] follow-up duration was 17 [11-24] months. Regimen of prophylaxis was 20 IU kg-1 1×/week in haemophilia A and every 10 days in haemophilia B. We observed a maximal reduction by 87.6% of the annual spontaneous joint bleeding rate and a slight decrease in the total HJHS scores (p = .047). Adherence problems related to parents' low education level and shortage in CFCs were the main issues to carry out the programme. Inhibitors occurred in 12.5%. CONCLUSION This study confirms the feasibility and efficacy of low-dose and low-frequency prophylaxis in young Ivorian children with haemophilia treated with EHL CFCs donated through the WFH humanitarian aid programme. This work also highlights the crucial role of adherence and the need for appropriate education to achieve prophylaxis. Finally, it reminds the paramount objective of achieving self-sufficient, sustainable and available haemophilia replacement therapy for all worldwide.
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Affiliation(s)
- Catherine Lambert
- Hemostasis and Thrombosis Unit, Division of Hematology, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - N'Dogomo Meité
- Division of Clinical Hematology, Centre Hospitalier Universitaire de Yopougon, Abidjan, Côte d'Ivoire
| | - Ibrahima Sanogo
- Division of Clinical Hematology, Centre Hospitalier Universitaire de Yopougon, Abidjan, Côte d'Ivoire
| | - Sébastien Lobet
- Hemostasis and Thrombosis Unit, Division of Hematology, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain (UCLouvain), Brussels, Belgium.,Secteur des Sciences de la Santé, Institut de Recherche Expérimentale et Clinique, Neuromusculoskeletal Lab (NMSK), Université Catholique de Louvain, Brussels, Belgium.,Secteur de Kinésithérapie, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Cedric Hermans
- Hemostasis and Thrombosis Unit, Division of Hematology, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain (UCLouvain), Brussels, Belgium
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24
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Reiss UM, Zhang L, Ohmori T. Hemophilia gene therapy-New country initiatives. Haemophilia 2020; 27 Suppl 3:132-141. [PMID: 32638467 DOI: 10.1111/hae.14080] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 05/26/2020] [Accepted: 05/27/2020] [Indexed: 12/12/2022]
Abstract
Gene therapy is an opportunity for haemophilia patients to receive a one-time treatment and have lasting factor levels for years or decades instead of dependence on repeated administration within short intervals and on sustained supply of drug. Great strides have been made in the development of gene therapy for haemophilia in the last decade. Adeno-associated virus (AAV) vector-mediated gene transfer in haemophilia A and B has entered the phase III trial stage. Gene transfer by lentiviral vector or gene editing technologies using factor VIII (FVIII) or IX (FIX) genes are now entering clinical evaluation. It is expected that the first FVIII and FIX gene therapy products will soon be approved and distributed in major markets. Global access to gene therapy is a critical goal. This review presents new and ongoing efforts towards this goal in countries other than North America and Europe. In Japan, researchers, regulators and funders have established a promising gene therapy development platform for multiple diseases including haemophilia. Decades of scientific and clinical research in haemophilia gene therapy in China have led to a recently registered clinical trial of AAV-mediated gene therapy for haemophilia B. Other countries are in earlier phases of building gene therapy programmes or participate in international trials. A phase 2 feasibility trial of AAV-mediated FIX gene therapy in low- and middle-income countries aims to demonstrate that gene therapy could become available in resource-constrained socio-economic settings. The different strategies for establishing gene therapy provide opportunities for closing the global gap in haemophilia care.
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Affiliation(s)
- Ulrike M Reiss
- Department of Hematology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Lei Zhang
- State Key Laboratory of Experimental Hematology, National Clinical Research Center for Blood Diseases, CAMS Key Laboratory of Gene Therapy for Blood Diseases, Tianjin Key Laboratory of Blood Disease Gene Therapy, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China
| | - Tsukasa Ohmori
- Department of Biochemistry, Jichi Medical University School of Medicine, Shimotsuke, Japan
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25
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Stonebraker JS, Bolton‐Maggs PHB, Brooker M, Evatt B, Iorio A, Makris M, O'Mahony B, Skinner MW, Coffin D, Pierce GF, Tootoonchian E. The World Federation of Hemophilia Annual Global Survey 1999‐2018. Haemophilia 2020; 26:591-600. [DOI: 10.1111/hae.14012] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/03/2020] [Accepted: 04/06/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Jeffrey S. Stonebraker
- Department of Business Management Poole College of Management North Carolina State University Raleigh NC USA
| | | | - Mark Brooker
- Formerly World Federation of Hemophilia Montreal Canada
| | - Bruce Evatt
- Formerly Centers for Disease Control and Prevention Atlanta GA USA
| | - Alfonso Iorio
- Department of Health Research Methods, Evidence, and Impact McMaster University Hamilton ON Canada
- McMaster‐Bayer Endowed Research Chair in Clinical Epidemiology of Congenital Bleeding Disorders Department of Medicine McMaster University Hamilton ON Canada
| | - Michael Makris
- Department of Infection, Immunity and Cardiovascular Disease University of Sheffield Sheffield UK
| | - Brian O'Mahony
- Irish Haemophilia Society Dublin Ireland
- Trinity College Dublin Ireland
| | - Mark W. Skinner
- Department of Health Research Methods, Evidence, and Impact McMaster University Hamilton ON Canada
- Institute for Policy Advancement Ltd Washington DC USA
| | - Donna Coffin
- World Federation of Hemophilia Montréal QC Canada
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26
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Pierce GF. Uncertainty in an era of transformative therapy for haemophilia: Addressing the unknowns. Haemophilia 2020; 27 Suppl 3:103-113. [PMID: 32484283 DOI: 10.1111/hae.14023] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 03/24/2020] [Indexed: 12/12/2022]
Abstract
Haemophilia is at the dawn of a new era in therapeutic management, one that can generate greater protection from bleeding and a functional cure in some individuals. Prior advances in protein engineering and monoclonal antibody technology have facilitated therapeutic options to maintain decreased risk of bleeding and less burdensome treatment. The use of gene transfer, first proposed in 1971 for monogenic diseases, is emerging as an effective long-term treatment for a variety of diseases. Transfer of functional factor VIII (FVIII) and factor IX (FIX) genes has witnessed a series of advances and setbacks since the first non-clinical experiments in animals were initiated nearly 30 years ago. More recently, multiyear therapeutic levels of FVIII and FIX activity have been achieved in human clinical trials, translated into meaningful clinical benefit and a functional cure. While clinical progress has been definitive, many questions remain unanswered as prelicensure phase 3 clinical trials are underway. These unanswered questions translate into a state of uncertainty about the known unknowns and unknown unknowns intrinsic to any new therapeutic platform. Accepting this modality as a means to functionally cure haemophilia also means accepting the uncertainty regarding the biology of viral vector-mediated gene transfer, which remains inadequately understood. Gene therapy is a far more complex biological 'drug' than small molecule and protein drugs, where manufacturing processes and the drugs themselves are now well characterized. Extent of community acceptance of uncertainty and acknowledgement of the need for an uncompromising drive for answers to the unknowns will characterize the introduction of this first generation of gene therapy for haemophilia to the wider patient population in both resource-rich and resource-poor countries.
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27
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Hermans C, Weill A, Pierce GF. The COVID‐19 pandemic: New global challenges for the haemophilia community. Haemophilia 2020; 26:371-372. [DOI: 10.1111/hae.14001] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 03/26/2020] [Accepted: 03/26/2020] [Indexed: 01/08/2023]
Affiliation(s)
- Cedric Hermans
- Hemostasis and Thrombosis Unit Division of Hematology Saint‐Luc University Hospital Université Catholique de Louvain (UCLouvain) Brussels Belgium
| | - Alain Weill
- World Federation of Hemophilia Montreal QC Canada
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Lobet S, Meité N, Koninckx MI, Van Overstraeten A, Kamagate AM, Hermans C, Lambert C. Implementation and assessment of a self- and community-based rehabilitation programme in patients with haemophilia from Côte d'Ivoire. Haemophilia 2019; 25:859-866. [PMID: 31393670 DOI: 10.1111/hae.13833] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/04/2019] [Accepted: 07/15/2019] [Indexed: 12/15/2022]
Abstract
INTRODUCTION In resource-constrained countries, few patients with haemophilia (PWH) have access to clotting factor concentrates (CFC), with increased musculoskeletal (MSK) complications. Physiotherapy actively contributes to preventing MSK complications, minimizing joint damage and reducing pain. AIM To assess the impact of a 20-week self- and community-based rehabilitation (CBR) programme in Ivorian PWH. METHODS Fifty participants underwent a clinical and functional baseline assessment with identification of joints' functional defects and initiation of an individualized exercise programme comprising exercises to improve strength, joint mobility and proprioception. Hemophilia Joint Health Score (HJHS), 2-minute walking test (2MWT), Timed Up and Go (TUG), goniometry and maximal isometric voluntary contractions using the MicroFET2 were performed at baseline (T1) and at Week 20 (T2). RESULTS At T2, there was a significant improvement in both the 2MWT and TUG tests. The HJHS total score decreased significantly from 23.6 ± 14.2 at T1 to 20.4 ± 13 at T2. A significant improvement in joint health was found in the left elbow, right knee and right ankle, with elements correlating with joint function responsible for these improvements. A strong programme adherence was observed, with 94% of participants reporting regular exercise performance and a high degree of satisfaction. CONCLUSION The programme with its encouraging results is meant to be the first step towards a more ambitious project. Self-based and CBR programmes are inexpensive and efficient treatment options designed to minimize the detrimental effects of joint and muscle bleedings, and to increase the functional independence and quality of life of PWH with limited access to CFC and physiotherapy.
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Affiliation(s)
- Sébastien Lobet
- Secteur des Sciences de la Santé, Institut de Recherche Expérimentale et Clinique, Neuromusculoskeletal Lab, Université Catholique de Louvain, Bruxelles, Belgium.,Department of Physical medicine and rehabilitation, Cliniques Universitaires Saint-Luc, Bruxelles, Belgium.,Hemostasis and Thrombosis Unit, Department of Hematology, Cliniques Universitaires Saint-Luc, Bruxelles, Belgium
| | - N'Dogomo Meité
- Department of Clinical hematology, Centre Hospitalier Universitaire de Yopougon, Abidjan, Côte d'Ivoire
| | - Marie-Inès Koninckx
- Faculté des Sciences de la Motricité, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Antoine Van Overstraeten
- Faculté des Sciences de la Motricité, Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Amed Mama Kamagate
- Department of Physical medicine and rehabilitation, Centre Hospitalier Universitaire de Yopougon, Abidjan, Côte d'Ivoire
| | - Cédric Hermans
- Hemostasis and Thrombosis Unit, Department of Hematology, Cliniques Universitaires Saint-Luc, Bruxelles, Belgium
| | - Catherine Lambert
- Hemostasis and Thrombosis Unit, Department of Hematology, Cliniques Universitaires Saint-Luc, Bruxelles, Belgium
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Fukutake K, Taki M, Matsushita T, Sakai M, Takata A, Yamaguchi H, Karumori T. Postmarketing safety and effectiveness of recombinant factor IX (nonacog alfa) in Japanese patients with haemophilia B. Haemophilia 2019; 25:e247-e256. [PMID: 31168882 PMCID: PMC6852692 DOI: 10.1111/hae.13783] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 05/02/2019] [Accepted: 05/13/2019] [Indexed: 11/28/2022]
Abstract
INTRODUCTION In 2010, nonacog alfa became the first recombinant factor IX (rFIX) available in Japan for patients with haemophilia B. AIM To determine real-world safety (adverse events, incidence of inhibitors) and effectiveness of nonacog alfa in Japan. METHODS This multicentre, prospective, observational, postmarketing surveillance study enrolled previously treated and untreated patients (PTPs and PUPs, respectively) who were observed for 1 and 2 years, respectively, after initiating nonacog alfa therapy. Safety and effectiveness were assessed for each treatment type. Annualized bleeding rate (ABR) and incremental recovery of rFIX were also evaluated. RESULTS Overall, 312 of 314 patients enrolled from 173 sites were eligible for the safety analysis set (PTPs, 281; PUPs, 28; other, 3). Mean age was 25.4 (PTPs) and 14.8 (PUPs) years. Haemophilic severity ranged from mild to severe, and 133 (42.6%) patients had haemophilic arthropathy. Of 285 patients (PTPs, 257; PUPs, 28) in the effectiveness set, 112 received on-demand treatment for 1161 bleeding episodes (effectiveness rate, 93.7%) and 185 received routine prophylaxis (effectiveness rate, 95.5%). No spontaneous bleeding was observed in 52.4% of patients during prophylactic treatment. Median ABR was lower during routine prophylaxis (2.0) vs the rest of the observation period (8.3). A weak negative correlation was found between body weight and the reciprocal of rFIX recovery. Eleven adverse drug reactions occurred in 7 PTPs (2.2% [7/312]); recurrence of inhibitor was observed in 1 patient, but no new inhibitor developed in PTPs or PUPs. CONCLUSION Nonacog alfa therapy is safe and effective in the real-world scenario in Japan.
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Affiliation(s)
- Katsuyuki Fukutake
- Department of Laboratory Medicine, Tokyo Medical University, Tokyo, Japan.,Department of Molecular Genetics of Coagulation Disorders, Tokyo Medical University, Tokyo, Japan
| | - Masashi Taki
- Department of Pediatrics, St. Marianna University School of Medicine, Yokohama City Seibu Hospital, Yokohama, Japan
| | - Tadashi Matsushita
- Department of Transfusion Medicine, Nagoya University Hospital, Nagoya, Japan
| | - Michio Sakai
- Department of Pediatrics, University of Occupational and Environmental Health, Kitakyushu, Japan
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Okoye HC, Nwogoh B, Adediran M, Nwagha TU. Health Status of Persons with Hemophilia: A Pilot Survey from a Resource-Constrained Country. Niger Med J 2019; 60:87-91. [PMID: 31462848 PMCID: PMC6688393 DOI: 10.4103/nmj.nmj_33_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background Most resource-poor countries are yet to develop standard hemophilia treatment center (HTC) despite improved outcome of health status of persons with hemophilia (PWH). Aim This study aimed to evaluate the health status of PWH in Nigeria. Methodology In this descriptive, cross-sectional study, modified prevalidated and pretested questionnaire (National health and Nutrition examination survey (NHANES) 2013 Health Status questionnaire (HSQ)) was consecutively administered to consenting PWH (pediatric and adult) attending the 2018 Annual General Meeting of the Haemophilia Foundation of Nigeria. The study's measurable outcome variables were calculated health status and its determinants. Association between the outcome variables and clinical characteristics of PWH was done using SPSS software version 22, and P < 0.05 was considered statistically significant. Results Of the 36 PWH who participated in the survey, 50% had good health status, 38.9% had poor health status, while only 11.1% had excellent health status. A majority (88.9%) had access to HTC with <6 consultations in the past year. Nearly 47.2% were hospitalized for disease-related problem in the past year. There was nonsignificant difference between health status and disease type (P = 0.751) and severity (P = 0.086), treatment plan (0.496), type of treatment facility (P = 0.152), and access to a doctor (P = 0.67). Conclusion Several PWH in resource-poor settings still suffer serious morbidity that impacts negatively on their health status. More robust (multicenter) research is needed to ascertain the true picture of health status of PWH in resource-poor countries.
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Affiliation(s)
- Helen C Okoye
- Department of Haematology and Immunology, College of Medicine, University of Nigeria, Ituku-Ozalla, Enugu, Nigeria
| | - Benedict Nwogoh
- Department of Haematology, School of Medicine, University of Benin, Benin City, Edo, Nigeria
| | - Megan Adediran
- Haemophilia Foundation of Nigeria Headquarters, Kaduna, Nigeria
| | - Theresa U Nwagha
- Department of Haematology and Immunology, College of Medicine, University of Nigeria, Ituku-Ozalla, Enugu, Nigeria
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Farrugia A, Liumbruno G, Calizzani G, Candura F, Profili S, Cassar J. Improving access to haemophilia therapies-Beyond humanitarian aid. Haemophilia 2018; 24:e430-e432. [PMID: 30311330 DOI: 10.1111/hae.13619] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 09/14/2018] [Accepted: 09/17/2018] [Indexed: 11/30/2022]
Affiliation(s)
- Albert Farrugia
- School of Surgery, University of Western Australia, Crawley, Western Australia, Australia
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Mannucci PM. Miracle of haemophilia drugs: Personal views about a few main players. Haemophilia 2018; 24:557-562. [PMID: 29808952 DOI: 10.1111/hae.13519] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/25/2018] [Indexed: 12/11/2022]
Abstract
INTRODUCTION In the second decade of the third millennium there have been dramatic developments pertaining to the availability of highly innovative drugs for hemophilia care, notwithstanding a satisfactory previous scenario. AIM I am going to emphasize the role of 2 main categories of players: scientist physicians who produced important translational research and the pharmaceutical industry, who developed, produced and made commercially available so many improved treatment weapons stemming from the translational research of the forementioned scientist physicians. RESULTS Pertaining to the role of scientist physicians, I chose to mention first those who were successful in the 1980 in the production of recombinant coagulation factors. In addition, those who more recently helped to produce new non substitutive therapies given by the subcutaneous route, and recombination coagulation factors with an extended half-life. CONCLUSIONS Current miraculous progress in hemophilia therapy is stemming from the research work of outstanding scientist physicians who acted in close collaboration with small biotechnology companies, leading to the early development of innovative therapeutic products, subsequently taken to the market place by the so called Big Pharma. I shall briefly provide my views to explain the fact that large pharmaceutical companies show more and more interest in such a rare disease as the hemophilias.
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Affiliation(s)
- P M Mannucci
- Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, IRCCS Ca' Granda Maggiore Policlinico Hospital Foundation, Milan, Italy
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