Survey of Inhibitors in Plasma-Product Exposed Toddlers (SIPPET)
Hemophilia A
About this trial
This is an interventional basic science trial for Hemophilia A focused on measuring Hemophilia A, Factor VIII inhibitors, vWF/FVIII, rFVIII
Eligibility Criteria
Inclusion Criteria:
- Male subjects
- Any ethnicity
- Age <6 years
Severe haemophilia A (FVIII:C <1%), as confirmed at enrolment by the central laboratory.
o Those patients diagnosed locally as severe but subsequently found to have FVIII levels >= 1% on testing at the central laboratory will be separately recorded in the screening list.
Previously untreated (0 EDs to any FVIII concentrates or blood products) or minimally treated (<5 EDs) with blood components, namely whole blood, fresh frozen plasma, packed red blood cells, platelets or cryoprecipitate.
o Patients not meeting these criteria will be separately recorded in the screening list.
- Negative inhibitor measurement at both local and central laboratory at screening
- Ability to comply with study requirements
- Signed informed consent of legal tutors o Patients who will not accept to enter into the study or to be randomized will be separately recorded.
Exclusion Criteria:
- Previous history of FVIII inhibitor
- Other congenital or acquired bleeding defects
Plasma FVIII level >= 1%, as assayed at the central laboratory
o Those patients originally diagnosed locally as severe but subsequently found to have FVIII levels ranging from 1% to 2% on testing at the central laboratory will be separately recorded in the screening list.
- Concomitant congenital or acquired immunodeficiency
- Concomitant treatment with systemic immunosuppressive drugs
- Concomitant treatment with any investigational drug
Sites / Locations
- City of Hope National Medical Center
- Children's Hospital Los Angeles (CHLA)
- Hemophilia and Thrombosis CenterUniversity of Colorado Denver - Anschutz Aurora
- Rush Hemophilia & Trombophilia Center - Rush University Medical Center
- Louisiana Center for Bleeding and Clotting Disorders, Tulane University Medical Center
- University of Mississippi Medical Center, Division of pediatric Hematology/Oncology
- Children's Mercy Hospital
- Hemophilia Treatment Center of Las Vegas
- MeritCare Roger Maris Cancer Center, Pediatric Oncology
- Cook Children's Medical Center
- Hospital de Ninos Sor Maria Ludovica La Plata Servicio de Hematologia
- Fundacion de la Hemofilia
- Landes- Frauen- und Kinderklinik Linz Abteilung für Kinder- und Jugendheilkunde
- Medizinische Universität Wien, Dept. Paediatrics
- Centro de Pesquisa Clinica HEMORIO - Instituto Estadual de Hematologia Arthur de Siqueira Cavalcanti
- Centro de Hematologia e Hemoterapia do e.s - Hemoes
- Hospital de Niños Dr. Luis Calvo Mackenna Centro Hemofílico
- Centro de Hemofilicos del Hospital de Niños Roberto del Rio Instituto de Investigaciones Hematologicas
- Paediatric Haematology department, Cairo University Pediatric Hospital
- Faculty of Medicine Ain Shams University Department Pediatrics
- Centre for Blood Disorders
- St. John's Medical College & Hospital
- Kasturba Medical College, Manipal University
- Karnataka Hemophilia Care and Hematology Research Center
- Kerala Institute of Medical Science (KIMS)
- Lokmanya TilakMunicipal Medical College &General Hospital - Sion
- All India Institute of Medical Sciences Department of Haematology
- Sir Ganga Ram Hospital
- Sahyadri Speciality Hospital
- Jehangir Clinical Development Centre, Department of Haematology, Jehangir Hospital Premises
- Hemophilia Center - Hematoogy & Oncology Dept. Shiraz University of Medical Science Ayatollah Dastgheib Hospital
- Comprehensive Care Center for Children with Hemophilia Mofid Children Hospital
- Centro Emofilia e Trombosi "Angelo Bianchi Bonomi" Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico di Milano - Italy
- Clinica Medica II - Azienda Ospedaliera di Padova - Centro Emofilia di Padova
- Ematologia- UO Diagnostica Speciale e Terapia delle Malattie dell'Emostasi e della Trombosi- Università Sapienza - Policlinico Umberto I
- Unidad Medica de Alta Especialidad (UMAE), Hospital de Pediatria. Centro Medico Nacional de Occidente Istituto Mexicano del Seguro Social
- Hospital de Especialidades UMAE Istituto Mexicano del Seguro Social (IMSS)
- Hospital Universitario Dr. Josè Eleuterio Gonzalez de la UANL, NL. Mexico
- Instituto Nacional de Pediatria
- Hospital Infantil de Mexico Federico Gomez
- Kinf Faisal Specilist Hospital and Research Center
- Haemophilia Comprehensive Care Clinic, Area 454, Charlotte Maxeke Johannesburg Academic Hospital
- Hospital Regional Universitario Carlos Haya
- Hospital Universitario Virgen del Rocio Unidad de Hemofilia
- Hospital Universitario La Fe Unidad Coagulopatias Congenitas
- Cukurova Universitesi, Tip Fakultesi Pediatrik Hematoloji B.D.
- Ege Üniversitesi Tip Fakültesi Cocuk Sağliği ve Hastalikari Anabilim Dali Pediatrik Hematoloji Bilim Dali
- Istanbul Üniversitesi Cerrahpaşa Tip Fakültesi Pediatrik Hematoloji B.D.
Arms of the Study
Arm 1
Arm 2
Active Comparator
Active Comparator
PLASMA DERIVED Factor VIII
rFVIII
Plasma-derived vWF/FVIII
Recombinant FVIII