- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00851721
Efficacy and Safety Study of Prophylactic Versus On-Demand Treatment With Feiba NF in Subjects With Hemophilia A or B and a High Titer Inhibitor
April 29, 2021 updated by: Baxalta now part of Shire
FEIBA NF: A Prospective, Open-label, Randomized, Parallel Study to Evaluate the Efficacy and Safety of Prophylactic Versus On-Demand Treatment in Subjects With Hemophilia A or B and a High Titer Inhibitor
The purpose of the study was to determine the efficacy, safety, and health-related quality of life benefits with FEIBA NF prophylactic treatment as compared with on-demand treatment.
Study Overview
Status
Completed
Study Type
Interventional
Enrollment (Actual)
52
Phase
- Phase 3
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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RJ
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Rio de Janeiro, RJ, Brazil
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SP
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Sao Paulo, SP, Brazil
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Sofia, Bulgaria
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Zagreb, Croatia
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Kanagawa, Japan
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Nara, Japan
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Wellington, New Zealand
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Krakow, Poland
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Warsaw, Poland
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Bucharest, Romania
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Timisoara, Romania
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Ekaterinburg, Russian Federation
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Kirov, Russian Federation
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Moscow, Russian Federation
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Lviv, Ukraine
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Illinois
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Chicago, Illinois, United States
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Ohio
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Cleveland, Ohio, United States
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
4 years to 65 years (Child, Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Signed and dated informed consent form by the participant or the participant's legally authorized representative
- The participant is ≥ 4 to ≤ 65 years of age
- The participant has a Karnofsky performance score of ≥ 60
- Hemophilia A and B of any severity, with documented history of high-titer inhibitor (> 5 Bethesda unit (BU)) for at least 12 months; or, if inhibitor titer is ≤ 5 BU, and the participant is refractory with increased dosing of either factor VIII (FVIII) or factor IX (FIX), as demonstrated from the participant's medical history
- Currently being treated on an on-demand basis for treatment of bleeding episodes
- Adequate venous access, with or without central venous device
- ≥ 12 bleeding episodes requiring treatment with by-passing agents in the past 12 months, based on medical history
- Competent in-home treatment and infusion therapy
- Currently using bypassing agents (activated prothrombin complex concentrate (APCC) or recombinant activated factor VII (rFVIIa)) for treatment of bleeding episodes
- HCV-, either by antibody testing or polymerase chain reaction (PCR); or HCV+ with stable hepatic disease
- HIV-, or HIV+ with stable disease and CD4 count > 200 cells/mm3 at screening
- Female participant of childbearing potential, presents with a negative serum pregnancy test, and agrees to employ adequate birth control measures for the duration of the study
Exclusion Criteria:
- Currently receiving immune tolerance induction (ITI)
- Currently on regular prophylactic therapy to prevent bleeding episodes
- Clinically symptomatic liver disease (e.g. diagnosis of cirrhosis [confirmed by liver biopsy], portal vein hypertension, ascites, prothrombin time (PT) 5 seconds above upper limit of normal)
- Platelet count < 100,000/ml
- Planned elective surgery during participation in this study
- Participant is currently participating in another clinical study and has received an investigational product or device within 30 days prior to study entry
- Planned use of pegylated or non-pegylated alpha-interferon with or without ribavirin for HCV infected participants or planned use of a protease inhibitor for HIV infected participants. Participants currently taking any of these medications for a 30-day course are eligible.
- Clinically significant increase in D-dimer levels from historical baseline and/or associated with chronic liver disease or clinically evident thromboembolic event
- Known hypersensitivity to anti-inhibitor coagulant complexes (AICCs)
- Currently treated with a systemic immunomodulating drug
- Prior history of thromboembolic event: acute myocardial infarction, deep vein thrombosis, or pulmonary embolism
- Diagnosis of advanced atherosclerosis, malignancy and/or other diseases that may increase the participant's risk of thromboembolic complications
- Clinically significant medical, psychiatric, or cognitive illness, or recreational drug/alcohol use that, in the opinion of the investigator, would affect participant safety or compliance
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Prophylaxis arm
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85 ± 15 U/kg of FEIBA NF every other day during the 12-month prophylactic period
Other Names:
FEIBA NF dose and dosing interval as prescribed by the treating physician
Other Names:
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Active Comparator: On-demand arm
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85 ± 15 U/kg of FEIBA NF every other day during the 12-month prophylactic period
Other Names:
FEIBA NF dose and dosing interval as prescribed by the treating physician
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Reduction in Annualized Bleeding Episode Rate (ABR) Among Participants Receiving Prophylactic Treatment as Compared to Those Treated On-demand
Time Frame: 12 months ± 14 days
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Participants were Randomized to Receive 1 of the 2 Following Treatment Regimens: 1.On-Demand: FEIBA NF dose & dosing interval as prescribed by treating physician 2.Prophylaxis: 85 ± 15 U/kg of FEIBA NF every other day during 12-month prophylactic period Annualized rate of bleeding episodes was calculated as: (Number of bleeding episodes/observed treatment period in days) * 365.25
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12 months ± 14 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Annualized Bleeding Rate by Treatment Regimen, Bleeding Etiology, and Bleed Type
Time Frame: 12 months ± 14 days
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Spontaneous includes unknown/undermined etiology
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12 months ± 14 days
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Differences in Mean Transformed Annualized Bleeding Rate Between On-Demand and Prophylaxis Treatment Regimens by Bleeding Etiology, and Bleeding Type
Time Frame: 12 months ± 14 days
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Annualized bleed rates were transformed using the square root of the number of bleeding episodes observed (X bleeds/year), X' = √(X + 0.5).
This transformation was performed to stabilize the variance and align the sample distribution with the assumption of normality inherent in using the t-test.
The difference in mean transformed ABRs was used to perform statistical tests and generate p-values at a significance level of 5% Participants were Randomized to Receive 1 of the 2 Following Treatment Regimens: 1.On-Demand: FEIBA NF dose & dosing interval as prescribed by treating physician 2.Prophylaxis: 85 ± 15 U/kg of FEIBA NF every other day during 12-month prophylactic period
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12 months ± 14 days
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Annualized Bleeding Rate for New Target Joints
Time Frame: 12 months ± 14 days
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Target joints are ≥4 bleeds/6 months in any one of the following joints: ankles, knees, elbows, and hips; a target joint bleeding episode refers to an individual anatomical location.
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12 months ± 14 days
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Differences in Mean Transformed Annualized Bleeding Rate Between On-Demand and Prophylaxis Treatment Regimens: New Target Joints
Time Frame: 12 months ± 14 days
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Annualized bleed rates (ABRs) were transformed using the square root of the number of bleeding episodes observed (X bleeds/year), X' = √(X + 0.5).
This transformation was performed to stabilize the variance and align the sample distribution with the assumption of normality inherent in using a two-sample, two-sided t-test.
The difference in mean transformed ABRs was used to perform statistical tests and generate p-values at a significance level of 5%
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12 months ± 14 days
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Number of New Target Joints
Time Frame: 12 months ± 14 days
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Target Joints are defined as ≥4 bleeds/6 months in any one of the following joints: ankles, knees, elbows and hips
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12 months ± 14 days
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Assessment of Objective Clinical Symptoms- Visual Analog Scale (VAS): Pain in Adolescents and Adults (≥12 Years Old)
Time Frame: Throughout the study period, 12 months ± 14 days
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Pain caused by a bleeding episode in adolescents and adults (≥12 years old) was measured at pre-infusion (pre-inf) and at 6 ± 0.5 hours (h) and 24 ± 1 h post-infusion (post-inf) (after the last infusion given to treat a bleeding episode) on the VAS pain scale in millimeters from 0 (no pain) to 100 (worst possible pain).
For analysis purposes, if short acting analgesics (duration of activity approximately 6 ± 0.5 h) were used, pain was assigned the highest possible score (100).
Pain assessment occurred after each infusion related to single bleeding episodes.
In case participants required an additional infusion within 24h, pain was assessed 6 ± 0.5 h and 24 ±1 h following the subsequent infusion.
Change in VAS scores at 6 ± 0.5 h and 24 ±1 h post-infusion were also compared relative to pre-infusion VAS scores (ie, (pre-infusion VAS score) - (post-infusion VAS score)).
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Throughout the study period, 12 months ± 14 days
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Assessment of Clinical Symptoms - Visual Analog Scale (VAS): Pain in Pediatrics (<12 Years Old)
Time Frame: 12 months ± 14 days
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Pain caused by a bleeding episode (BE) in pediatric participants (<12 years old) was measured at pre-infusion (pre-inf) and at 6 ± 0.5 h and 24 ± 1 h post-infusion (post-inf) (after the last infusion given to treat a bleeding episode) using the children's VAS pain scale (a facial expression scale with one end marked as no pain and the opposite end marked as the worst possible pain).
For analysis purposes, if short acting analgesics (duration of activity approximately 6 ± 0.5 h) were used, pain was assigned the highest possible score (worst possible pain).
Scores on the children's VAS scale are presented as: -No Pain -Mild Pain -Moderate pain -Severe pain -Very severe pain
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12 months ± 14 days
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Assessment of Clinical Symptoms - Range of Motion (ROM)
Time Frame: 12 months ± 14 days
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ROM was measured using a goniometer for 3 key joints (ie, ankles, knees, and elbows) at screening, month 6, and termination (end of study visit)
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12 months ± 14 days
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Assessment of Hemostasis for Treatment of Bleeding Episodes- Overall Efficacy Rating at 6 Hours
Time Frame: 6 h ± 30 min post-infusion
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Number of rAHF-PFM-treated bleeding episodes with an assessment of hemostasis (4-point ordinal scale): Excellent: Full pain relief & bleeding cessation within ~6 hours of 1 infusion.
Additional infusions may have been given to maintain hemostasis; Good: Definite pain relief and/or improvement in bleeding within ~6 hours after infusion.
Possibly requires >1 infusion for complete resolution; Fair: Probable or slight relief of pain & slight improvement in bleeding within ~6 hours after infusion.
Requires >1 infusion for complete resolution; None: No improvement or condition worsens
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6 h ± 30 min post-infusion
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Assessment of Hemostasis for Treatment of Bleeding Episodes- Overall Efficacy Rating at 24 Hours
Time Frame: 24 ± 1 h post-infusion
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Number of rAHF-PFM-treated bleeding episodes with an assessment of hemostasis (4-point ordinal scale): Excellent: Full pain relief & bleeding cessation within ~24 hours of 1 infusion.
Additional infusions may have been given to maintain hemostasis; Good: Definite pain relief and/or improvement in bleeding within ~24 hours after infusion.
Possibly requires >1 infusion for complete resolution; Fair: Probable or slight relief of pain & slight improvement in bleeding within ~24 hours after infusion.
Requires >1 infusion for complete resolution; None: No improvement or condition worsens
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24 ± 1 h post-infusion
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Total Weight Adjusted Dose to Control a Bleeding Episode
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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The Number of Bleeding Episode (BE) Which Required 1, 2, 3, or ≥4 Infusions to Control Bleeding
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Abnormal Activated Partial Thromboplastin Time (aPTT) Assay Results
Time Frame: Screening visit, Month 3, Month 6, Month 9, and Termination visit
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The normal reference range of values for aPTT is 22.8 - 31 seconds.
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Screening visit, Month 3, Month 6, Month 9, and Termination visit
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Abnormal D-Dimer Assay Results
Time Frame: Screening visit, Month 3, Month 6, Month 9, and Termination visit
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The normal reference range of values for D-dimers is <500 ng/mL.
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Screening visit, Month 3, Month 6, Month 9, and Termination visit
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Abnormal Fibrinogen Assay Results
Time Frame: Screening visit, Month 3, Month 6, Month 9, and Termination visit
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The normal reference range of values for fibrinogen is 200-400 mg/dL.
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Screening visit, Month 3, Month 6, Month 9, and Termination visit
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Abnormal Fibrin Degradation Products (FDP) Assay Results
Time Frame: Screening visit, Month 3, Month 6, Month 9, and Termination visit
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The normal reference range of values for FDP is 0-5 ug/mL.
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Screening visit, Month 3, Month 6, Month 9, and Termination visit
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Abnormal Prothrombin Fragment F 1.2 Assay Results
Time Frame: Screening visit, Month 3, Month 6, Month 9, and Termination visit
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The normal reference range of values for prothrombin fragment F 1.2 is 69-229 pmol/L.
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Screening visit, Month 3, Month 6, Month 9, and Termination visit
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Abnormal Prothrombin Time Assay Results
Time Frame: Screening visit, Month 3, Month 6, Month 9, and Termination visit
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The normal reference range of values for PT is 9.7-12.3
sec.
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Screening visit, Month 3, Month 6, Month 9, and Termination visit
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Abnormal Thrombin-Antithrombin III (TAT) Assay Results
Time Frame: Screening visit, Month 3, Month 6, Month 9, and Termination visit
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The normal reference range of values for TAT is 1-4.1 ug/L.
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Screening visit, Month 3, Month 6, Month 9, and Termination visit
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Viral Serology From Screening Visit and Study Termination Visit: Hepatitis A, Hepatitis B, and Hepatitis C
Time Frame: 12 months ± 14 days
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-Hepatitis A Virus Antibody (HAV Ab) -Hepatitis B Virus Core Antibody (HBcAb) -Hepatitis B Virus Surface Antibody (HBsAb) -Hepatitis B Virus Surface Antigen (HBsAg) -Hepatitis C Virus (HCV)
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12 months ± 14 days
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Viral Serology From Screening Visit and Study Termination Visit: HIV-1/2 Antibody (Ab)
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Viral Serology From Screening Visit and Study Termination Visit: Parvovirus B19 IgG Antibody [IV]
Time Frame: 12 months ± 14 days
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Normal range (0 - 0.89 IV); High (> 0.89 IV) - Parvovirus B19 IgG Antibody [IV] (Parvo IgG Ab)
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12 months ± 14 days
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Viral Serology From Screening Visit and Study Termination Visit: Parvovirus B19 IgM Antibody [IV]
Time Frame: 12 months ± 14 days
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Normal range (0 - 0.89 IV); High (> 0.89 IV) - Parvovirus B19 IgM Antibody [IV] (Parvo IgM Ab)
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12 months ± 14 days
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Rate of Related Adverse Events (AEs) Per Year
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Rate of Related Adverse Events (AEs) During or Within 1 Hour of Infusion Per Year
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Number of Related Thromboembolic Adverse Events (AEs)
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Absolute Changes in Inhibitor Titer of Hemophilia A Participants With Shifts in Factor VIII (FVIII) Inhibitor Titer Levels
Time Frame: 12 months ± 14 days
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Absolute Changes in Inhibitor Titer (or no change in low or high titer status): -Inhibitor Titer went from Low (≤5 BU) to Low (≤5 BU) -Inhibitor Titer went from Low (≤5 BU) to High (>5 BU) -Inhibitor Titer went from High (>5 BU) to Low (≤5 BU) -Inhibitor Titer went from High (>5 BU) to High (>5 BU)
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12 months ± 14 days
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Absolute Changes in Inhibitor Titer of Hemophilia B Participants With Shifts in Factor IX (FIX) Inhibitor Titer Levels
Time Frame: 12 months ± 14 days
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Absolute Changes in Inhibitor Titer (or no change in low or high titer status): -Inhibitor Titer went from Low (≤5 BU) to Low (≤5 BU) -Inhibitor Titer went from Low (≤5 BU) to High (>5 BU) -Inhibitor Titer went from High (>5 BU) to Low (≤5 BU) -Inhibitor Titer went from High (>5 BU) to High (>5 BU)
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12 months ± 14 days
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Pharmacoeconomics: Annual Days Lost Due to Bleeding (Work or School)
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Pharmacoeconomics: Annual Number of Hospitalizations for Bleeding
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Pharmacoeconomics: Annual Number of Hospitalizations for Indwelling Line
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Pharmacoeconomics: Annual Number of Emergency Room Visits
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Pharmacoeconomics: Annual Number of Physician's Office Visits
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Pharmacoeconomics: Annual Total Length of Hospitalization for Bleeding
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Pharmacoeconomics: Annual Total Length of Hospitalization for Indwelling Line
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Pharmacoeconomics: Annual Total Number of Days Lost (Work or School)
Time Frame: 12 months ± 14 days
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12 months ± 14 days
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Health-Related Quality of Life (HRQoL): EuroQoL (Quality of Life)-5 Dimensions (EQ-5D) Index Scores
Time Frame: 12 months ± 14 days
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EQ-5D is a participant answered questionnaire scoring 5 dimensions - mobility, self-care, usual activities, pain/discomfort and anxiety/depression.
The EQ-5D total score ranges from 0 (worst health state) to 1 (perfect health state) and 1 reflects the best outcome.
EQ-5D Index scores based on EQ-5D questionnaire were calculated for participants ≥14 years of age, at screening, 6 months, and at termination visit.
Changes in scores at 6 months and termination were also calculated.
A relatively higher score represents better quality of life.
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12 months ± 14 days
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Hemophilia-specific Quality of Life Questionnaire for Adults (Haem-A-QoL) ≥ 16 Years Old
Time Frame: 12 months ± 14 days
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The Haem-A-QoL instrument has been developed and used in Hemophilia A patients.
As a hemophilia-specific instrument, this measure assesses very specific aspects of dealing with hemophilia.
The areas covered by this instrument are: Physical Health (PH), Sports & Leisure (S&L), School & Work (W&S), Dealing with Hemophilia (Dealing), Family Planning (FP), Feeling, Relationships (R'ships), Treatment, View, and Outlook for the Future (Future).
A Haem-A-QoL Total Score (Total) was also calculated.
For the Haem-A-QoL, higher scores indicate a worse quality of life.
Scores on a scale range between 0 and 100.
Haem-A-QoL scores at screening, 6 months, and at termination visit were collected.
Changes in scores at 6 months and termination were also calculated.
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12 months ± 14 days
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Hemophilia-specific Quality of Life Questionnaire for Children and Adolescents < 16 Years Old (Haemo-QoL) - Parent's Evaluation
Time Frame: 12 months ± 14 days
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The Haemo-QoL is a quality of life (QoL) assessment instrument for children and adolescents with haemophilia.
As a hemophilia-specific instrument, this measure assesses very specific aspects of dealing with hemophilia.
The areas covered by this instrument are: Physical Health (PH), Sports & School (S&S), Dealing with Hemophilia (Dealing), Family, Feeling, Relationships (R'ships), Treatment, View, Outlook for the Future (Future), Friends, Others, and Support.
A Haemo-QoL Total Score (Total) was also calculated.
For the Haemo-QoL, higher scores indicate a worse quality of life.
Scores on a scale range between 0 and 100.
Haemo-QoL scores at screening, 6 months, and at termination visit were collected.
Changes in scores at 6 months and termination were also calculated.
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12 months ± 14 days
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Hemophilia-specific Quality of Life Questionnaire for Children and Adolescents < 16 Years Old (Haemo-QoL) - Child's Evaluation
Time Frame: 12 months ± 14 days
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The Haemo-QoL is a quality of life (QoL) assessment instrument for children and adolescents with haemophilia.
As a hemophilia-specific instrument, this measure assesses very specific aspects of dealing with hemophilia.
The areas covered by this instrument are: Physical Health (PH), Sports & School (S&S), Dealing with Hemophilia (Dealing), Family, Feeling, Relationships (R'ships), Treatment, View, Outlook for the Future (Future), Friends, Others, and Support.
A Haemo-QoL Total Score (Total) was also calculated.
For the Haemo-QoL, higher scores indicate a worse quality of life.
Scores on a scale range between 0 and 100.
Haemo-QoL scores at screening, 6 months, and at termination visit were collected.
Changes in scores at 6 months and termination were also calculated.
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12 months ± 14 days
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Health-Related Quality of Life (HRQoL) - General Pain Assessment Using a Visual Analogue Scale (VAS) in Adults and Adolescents ≥12 Years Old
Time Frame: Baseline, 6 months and 12 months ± 14 days
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General pain was assessed using a VAS pain scale at screening, 6 months, and at termination.
Unlike the VAS pain assessment for pain of bleeding episodes (Outcome above), this general pain assessment did not take use of analgesics into account.
For the pain scale, a higher number indicates worse pain.
The visual analog scale ranges from 0 to 100 where the endpoints are labeled 'Worst imaginable health state' (=0) and 'Best imaginable health state' (=100).
A positive change from baseline indicates improvement.
Change in VAS scores at 6 months and study termination were also compared relative to Baseline/Screening scores (ie, (Baseline/Screening VAS score) - (VAS score at 6 months and study termination).
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Baseline, 6 months and 12 months ± 14 days
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Health-Related Quality of Life (HRQoL) - General Pain Assessment Using a Visual Analogue Scale (VAS) in Pediatrics <12 Years Old
Time Frame: Baseline, 6 months and 12 months ± 14 days
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General pain was assessed using the children's VAS pain scale (a facial expression scale with one end marked as no pain and the opposite end marked as the worst possible pain).
Assessments were done at the screening, 6 months, and termination visits.
Scores on the children's VAS scale are presented as: -No Pain -Mild Pain -Moderate pain -Severe pain -Very severe pain Unlike the VAS pain assessment for pain of bleeding episodes (Outcome above), this general pain assessment did not take use of analgesics into account.
Change in VAS scores at 6 months and study termination were also compared relative to Baseline/Screening scores (ie, (Baseline/Screening VAS score) - (VAS score at 6 months and study termination).
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Baseline, 6 months and 12 months ± 14 days
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
March 31, 2009
Primary Completion (Actual)
October 17, 2012
Study Completion (Actual)
October 17, 2012
Study Registration Dates
First Submitted
February 25, 2009
First Submitted That Met QC Criteria
February 25, 2009
First Posted (Estimate)
February 26, 2009
Study Record Updates
Last Update Posted (Actual)
May 19, 2021
Last Update Submitted That Met QC Criteria
April 29, 2021
Last Verified
April 1, 2021
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 090701
- 2008-003855-65 (EudraCT Number)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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