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The purpose of this study is to determine the biologic efficacy and safety of rhIL-11 when given subcutaneously in adults with moderate or mild hemophilia A or Von Willebrand disease unresponsive to DDAVP. Biologic efficacy will be measured by the number and percent increase of VWD coagulation tests (FVIII:C, VWF: Ag, VWF: RCo, closure time, APTT, and VWF multimers) to the normal range, or at least to 1.5-3 time baseline, following dosing of rhIL-11 when given daily for 4 days, and boosted by DDAVP infusion on day 4, in those in whom DDAVP is not contraindicated. Safety will be measured by the frequency of adverse events, including fever, headache, fatigue, myalgias, arthralgias, fluid retention, or edema.
This is a prospective, single center, Phase II biologic effects study of recombinant interleukin-11 (rhIL-11, Neumega) in subjects hemophilia A, moderate or mild; or with Von Willebrand disease unable to take desmopressin acetate (DDAVP) because they are unresponsive, allergic, or DDAVP is contraindicated. The purpose of the study is to establish the biologic efficacy and safety of rhIL-11 in those not able to take DDAVP. Study subjects will include adults, age >= 18 years, with hemophilia A, moderate, defined as factor VIII 0.01-0.04 U/ml, or mild, defined as factor VIII >= 0.05 U/ml; or with VWD defined by low VWF:RCo and /or low VWF:Ag, past bleeding history, and/or family history of VWD. A total of 10-16 subjects will be enrolled in order to assure that 10 complete the study. The specific aims of the study are: 1) to determine the biologic effect of rhIL-11 when given 4 consecutive days; 2) to determine the safety of rhIL-11 when used in subjects with hemophilia A, moderate or mild; or with VWD unresponsive or unable to take DDAVP; and 3) to determine the mechanism of the hemostatic effects of rhIL-11. The biologic efficacy outcomes will be measured by VWD-related coagulation tests (VWF:RCo, FVIII:C, VWF:Ag, closure times) before and after rhIL-11 injection. Safety outcomes will be measured by the number and frequency of adverse events, including fever, headache, fatigue, myalgias, arthralgias, fluid retention, or edema. The mechanism of rhIL-11 hemostatic effect will be measured by VWFmRNA before and after rhIL-11 response. Response to DDAVP following rhIL-11 will also be assessed in those in whom DDAVP is not contraindicated. The study will last up to 1 month per subject, and for 24 months for the entire study.
Allocation: Non-Randomized, Control: Uncontrolled, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Neumega (Oprelvekin, Interleukin 11, IL-11)
University of Pittsburgh
University of Pittsburgh
Published on BioPortfolio: 2014-08-27T03:18:40-0400
This study is testing the use of rhIL-11 (recombinant interleukin 11, Neumega) in individuals with Von Willebrand disease. The purpose is to evaluate: 1. if rhIL-11 corrects VWF (Von Wi...
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To identify the causative mutations in previously untreated patients with hemophilia A enrolled in the ReFacto® clinical safety and efficacy study CTN 93-R833-0XX/C9741-28, using two esta...
Prophylactic injections of factor VIII reduce the incidence of bleeds and slow the development of joint damage in people with hemophilia. The aim of this study was to identify optimal person-specific ...
Hemophilia B (HB) is an X-linked bleeding disorder caused by deficiency of factor IX (FIX). Patients with the severe form (FIX
Health-related quality of life (HRQoL) is impaired in patients with hemophilia, however the impact in mild/moderate hemophilia B and affected women is not well characterized.
A phase 1/2 clinical trial of AAV-mediated gene therapy in patients with hemophilia B using an enhanced specific activity factor IX (FIX) transgene reports sustained levels of FIX levels, leading to t...
A deficiency of blood coagulation factor IX inherited as an X-linked disorder. (Also known as Christmas Disease, after the first patient studied in detail, not the holy day.) Historical and clinical features resemble those in classic hemophilia (HEMOPHILIA A), but patients present with fewer symptoms. Severity of bleeding is usually similar in members of a single family. Many patients are asymptomatic until the hemostatic system is stressed by surgery or trauma. Treatment is similar to that for hemophilia A. (From Cecil Textbook of Medicine, 19th ed, p1008)
The classic hemophilia resulting from a deficiency of factor VIII. It is an inherited disorder of blood coagulation characterized by a permanent tendency to hemorrhage.
An interleukin receptor subunit that was originally discovered as a component of the INTERLEUKIN 2 RECEPTOR. It was subsequently found to be a component of several other receptors including the INTERLEUKIN 4 RECEPTOR, the INTERLEUKIN 7 RECEPTOR, the INTERLEUKIN-9 RECEPTOR, the INTERLEUKIN-15 RECEPTOR, and the INTERLEUKIN-21 RECEPTOR. Mutations in the gene for the interleukin common gamma chain have been associated with X-LINKED COMBINED IMMUNODEFICIENCY DISEASES.
Cell surface receptors for INTERLEUKIN-13. Included under this heading are the INTERLEUKIN-13 RECEPTOR ALPHA2 which is a monomeric receptor and the INTERLEUKIN-4 RECEPTOR TYPE II which has specificity for both INTERLEUKIN-4 and INTERLEUKIN-13.
A cytokine subunit that is a component of both interleukin-12 and interleukin-23. It binds to the INTERLEUKIN-12 SUBUNIT P35 via a disulfide bond to form interleukin-12 and to INTERLEUKIN-23 SUBUNIT P19 to form interleukin-23.
In a clinical trial or interventional study, participants receive specific interventions according to the research plan or protocol created by the investigators. These interventions may be medical products, such as drugs or devices; procedures; or change...
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