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McGrady ME, Ignjatovic V, Jones S, Bruce A, Goldenberg NA, Rizzi M, Thornburg CD, Todd KE, Luchtman-Jones L. Evaluation, analysis, and reporting of medication adherence for clinical trials of anticoagulants in children: guidance from the ISTH SSC Subcommittee on Pediatric and Neonatal Thrombosis and Hemostasis. J Thromb Haemost 2024; 22:2081-2092. [PMID: 38642706 DOI: 10.1016/j.jtha.2024.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 04/02/2024] [Accepted: 04/03/2024] [Indexed: 04/22/2024]
Abstract
In response to growing recognition that nonadherence prevents children, adolescents, and young adults from achieving the therapeutic benefits of anticoagulant medication, the International Society on Thrombosis and Haemostasis Scientific and Standardization Committee Subcommittee on Pediatric and Neonatal Thrombosis and Hemostasis convened a working party on medication adherence. The primary aim of this article was to synthesize recommendations from the larger adherence science literature to provide guidance regarding the classification, collection, and interpretation of anticoagulation adherence data. The secondary aim of this article was to evaluate the degree to which trials published from 2013 to 2023 adhered to these guidance recommendations. As less than half of all trials reported on adherence and none included all recommended elements, the proposed International Society on Thrombosis and Haemostasis Scientific and Standardization Committee guidance has the potential to enhance the rigor and reproducibility of pediatric anticoagulant research.
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Affiliation(s)
- Meghan E McGrady
- Center for Adherence and Self-Management, Division of Behavioral Medicine and Clinical Psychology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA; Patient and Family Wellness Center, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA.
| | - Vera Ignjatovic
- Haematology, Murdoch Children's Research Institute, Parkville, Victoria, Australia; Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
| | - Sophie Jones
- Haematology, Murdoch Children's Research Institute, Parkville, Victoria, Australia; Department of Clinical Haematology, The Royal Children's Hospital, Melbourne, Victoria, Australia; Department of Nursing, The University of Melbourne, Parkville, Victoria, Australia
| | - Aisha Bruce
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
| | - Neil A Goldenberg
- Johns Hopkins All Children's Institute for Clinical and Translational Research, St. Petersburg, Florida, USA; Departments of Pediatrics and Medicine, Division of Hematology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Mattia Rizzi
- Hematology/Oncology Unit, Division of Pediatrics, Lausanne University Hospital, Lausanne, Switzerland
| | - Courtney D Thornburg
- Division of Pediatric Hematology/Oncology, Rady Children's Hospital San Diego, San Diego, California, USA; Department of Pediatrics, UC San Diego School of Medicine, La Jolla, California, USA
| | - Kevin E Todd
- Department of Pediatric Hematology/Oncology, Children's Hospital of the King's Daughters, Norfolk, Virginia, USA
| | - Lori Luchtman-Jones
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA; Division of Hematology, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
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Cohen O, Barg AA, Nowak-Göttl U, Amado-Fernández C, Mazzolai L, Tiberio G, Schellong S, Skride A, Morales MDV, Monreal M, Kenet G. Venous thromboembolism characteristics, treatment and outcomes in young adults: findings from the Registro Informatizado de Enfermedad TromboEmbólica registry. J Thromb Haemost 2023; 21:2811-2823. [PMID: 37406932 DOI: 10.1016/j.jtha.2023.06.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 06/13/2023] [Accepted: 06/25/2023] [Indexed: 07/07/2023]
Abstract
BACKGROUND Venous thromboembolism (VTE) is rare in patients aged <21 years. Young adults aged 18 to 21 years are frequently included in adult VTE studies, whereas pediatric VTE studies include patients aged up to either 18 or 21 years. The clinical characteristics of young adult patients with VTE have not been well defined. OBJECTIVES We aimed to highlight any unique characteristics or treatment considerations that may apply to young adult patients with VTE. METHODS Data from the prospective, international Registro Informatizado de Enfermedad TromboEmbólica registry were used. Patients were stratified into subcohorts according to age. The clinical characteristics, risk factors, management, and outcomes of young adult patients with VTE were compared with those of adolescents aged 12 to 18 years and adults aged >21 years. RESULTS Of 104 253 Registro Informatizado de Enfermedad TromboEmbólica patients enrolled until August 2022, 234 were adolescents and 884 were young adults. Less cases of pulmonary embolism were reported in adolescents (P < .001). Estrogen use was a common risk factor, more prevalent in adolescents and young adults (P < .001), whereas active cancer and immobilization were uncommon in both. Most patients were initially treated with low-molecular-weight heparin. VTE recurrence, major bleeding, and all-cause mortality rates were comparably low among adolescents and young adults. None of the patients aged <21 years died from VTE recurrence. CONCLUSION Young adults have some distinctive VTE risk factors. While VTE presentation may be similar among young adults and older patients, the outcomes of patients aged <21 years are more favorable.
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Affiliation(s)
- Omri Cohen
- National Hemophilia Center, Sheba Medical Center, Tel Hashomer, Israel; Amalia Biron Research Institute of Thrombosis and Hemostasis, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Assaf A Barg
- National Hemophilia Center, Sheba Medical Center, Tel Hashomer, Israel; Amalia Biron Research Institute of Thrombosis and Hemostasis, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ulrike Nowak-Göttl
- Institute of Clinical Chemistry, Thrombosis and Haemostasis Treatment Centre, University Hospital, Kiel-Lübeck, Germany
| | | | - Lucia Mazzolai
- Department of Angiology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Gregorio Tiberio
- Department of Internal Medicine, Hospital Virgen del Camino, Pamplona, Navarra, Spain
| | - Sebastian Schellong
- Department of Medical Clinic, Municipal Hospital of Dresden Friedrichstadt, Dresden, Germany
| | - Andris Skride
- Department of Cardiology, Pauls Stradiņš Clinical University Hospital, Riga Stradiņš University, Riga, Latvia
| | | | - Manuel Monreal
- Chair for the Study of Thromboembolic Disease, Faculty of Health Sciences, Universidad Católica San Antonio de Murcia (UCAM), El Centro de Investigación Biomédica en Red Enfermedades Respiratorias (CIBERS), Madrid, Spain
| | - Gili Kenet
- National Hemophilia Center, Sheba Medical Center, Tel Hashomer, Israel; Amalia Biron Research Institute of Thrombosis and Hemostasis, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
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Cancer associated thrombosis in pediatric patients. Best Pract Res Clin Haematol 2022; 35:101352. [DOI: 10.1016/j.beha.2022.101352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 06/13/2022] [Indexed: 11/22/2022]
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