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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT03876301
Registration number
NCT03876301
Ethics application status
Date submitted
11/03/2019
Date registered
15/03/2019
Titles & IDs
Public title
Lead-in Study to Collect Prospective Efficacy and Safety Data of Current FVIII Prophylaxis Replacement Therapy in Adult Hemophilia A Participants
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Scientific title
A Multi-Center, Observational Study in Males With Hemophilia A
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Secondary ID [1]
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SPK-8011-301
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Blood Coagulation Disorder
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Blood Coagulation Disorders, Inherited
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Coagulation Protein Disorders
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Hemophilia A
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Genetic Diseases, Inborn
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Genetic Diseases, X-Linked
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Hematologic Diseases
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Hemorrhagic Disorders
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Factor VIII Deficiency
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Condition category
Condition code
Cardiovascular
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Diseases of the vasculature and circulation including the lymphatic system
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Blood
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Clotting disorders
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Human Genetics and Inherited Disorders
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Other human genetics and inherited disorders
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Blood
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Haematological diseases
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Blood
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Clotting disorders
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Treatment: Drugs - Standard of Care FVIII Replacement therapy
Observational Cohort - Adult males with clinically severe hemophilia A, who are negative for neutralizing antibody (NAb) to AAV-Spark200
Treatment: Drugs: Standard of Care FVIII Replacement therapy
There is no investigational product being administered. Subjects will be administering their own standard of care FVIII replacement therapy.
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Number of bleeding events, annualized
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Assessment method [1]
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Annualized bleeding rate (ABR)
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Timepoint [1]
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12 months
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Secondary outcome [1]
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Dose and total FVIIII consumption
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Assessment method [1]
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Total FVIII replacement therapy consumption and the corresponding dose
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Timepoint [1]
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12 months
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Secondary outcome [2]
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Annualized number of infusions (AIR)
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Assessment method [2]
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Number of reported infusions over the study period
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Timepoint [2]
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12 months
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Eligibility
Key inclusion criteria
1. Able and willing to provide written informed consent.
2. Males =18 years of age.
3. Clinically severe hemophilia A
4. Previous exposure to FVIII therapy
5. No prior history of hypersensitivity or anaphylaxis associated with an FVIII or intravenous immunoglobulin administration.
6. No measurable inhibitor against FVIII
7. Willing to participate and receive treatment in a future Spark hemophilia A gene therapy study.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Males
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Can healthy volunteers participate?
No
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Key exclusion criteria
1. Documented active hepatitis B or C within the past 12 months of Screening
2. Currently on antiviral therapy to treat hepatitis B or C;
3. Documented significant liver disease within the past 6 months of Screening
4. Have serological evidence of HIV-1 or HIV-2
5. Anti-AAV-Spark 200 neutralizing titers =1:1
6. Previously received SPK-8011;
7. Previously dosed with any investigational or approved gene therapy product at any time or treated with an investigational drug within the last 12 weeks;
8. Planned surgical procedure in the next 12 months requiring FVIII prophylactic treatment.
9. Any history of chronic infection or other chronic disease, concurrent clinically significant major disease (such as liver abnormalities or type I diabetes) including active malignancy, except for non-melanoma skin cancer, any other condition or any other unspecified reasons that, in opinion of the Investigator or Sponsor, makes the participant unsuitable for participation and dosing in a future clinical study for Spark's hemophilia A gene therapy.
10. Unable or unwilling to comply with the schedule of visits and/or study assessments described in the protocol.
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Study design
Purpose
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Duration
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Selection
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Timing
Prospective
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
21/01/2019
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
2/05/2023
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Sample size
Target
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Accrual to date
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Final
25
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Recruitment in Australia
Recruitment state(s)
VIC,Western Austraili
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Recruitment hospital [1]
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The Alfred Hospital - Melbourne
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Recruitment hospital [2]
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Fiona Stanley Hospital - Murdoch
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Recruitment postcode(s) [1]
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3004 - Melbourne
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Recruitment postcode(s) [2]
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6150 - Murdoch
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Recruitment outside Australia
Country [1]
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United States of America
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State/province [1]
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California
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Country [2]
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United States of America
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State/province [2]
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Florida
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United States of America
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State/province [3]
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Georgia
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Country [4]
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United States of America
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State/province [4]
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Michigan
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Country [5]
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United States of America
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State/province [5]
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Mississippi
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Country [6]
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United States of America
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State/province [6]
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Washington
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Country [7]
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Canada
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State/province [7]
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British Columbia
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Country [8]
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Canada
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State/province [8]
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Ontario
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Country [9]
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Thailand
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State/province [9]
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Bangkok
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Spark Therapeutics, Inc.
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
The aim of this prospective, observational study is to establish a dataset on the frequency of bleeding events, as well as other characteristics of bleeding events and FVIII infusions, in patients with clinically severe hemophilia A receiving prophylactic FVIII replacement therapy as standard of care. The data collected from this study may assist in providing baseline information for comparison to the Spark's investigational hemophilia A gene therapy in future Phase 3 studies.
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Trial website
https://clinicaltrials.gov/study/NCT03876301
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Phone
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Fax
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Email
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT03876301