NCT03914716

Brief Summary

Hemophilia is a genetic condition characterized by marked phenotypic heterogeneity. Bleeding into a joint is the single most important risk factor for the development of hemophilic arthropathy (HA). It is thought that clinical and imaging manifestations of HA are at least partially attributable to genetic polymorphisms unrelated to the hemophilia genotype. Identifying and characterizing biologic factors that could explain differences in susceptibility to joint degeneration of patients with hemophilia would help stratify patients according to the risk of degeneration of their joints and develop personalized therapeutic and prophylactic strategies. This study is conducted in China.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
49

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Mar 2018

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 21, 2018

Completed
11 months until next milestone

First Submitted

Initial submission to the registry

February 19, 2019

Completed
2 months until next milestone

First Posted

Study publicly available on registry

April 16, 2019

Completed
2.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 2, 2022

Completed
1.8 years until next milestone

Study Completion

Last participant's last visit for all outcomes

November 30, 2023

Completed
Last Updated

April 19, 2024

Status Verified

April 1, 2024

Enrollment Period

3.9 years

First QC Date

February 19, 2019

Last Update Submit

April 18, 2024

Conditions

Keywords

HemophiliaRadiogenomicsArthropathy

Outcome Measures

Primary Outcomes (1)

  • Annualized total index joint bleeding rates (AJBRs)

    AJBRs will be calculated from prospectively collected joint bleeding logs and clinic records.

    Between baseline and 24 months

Secondary Outcomes (8)

  • Number of participants with joint inflammation

    At baseline, 6 months and 24 months

  • Number of participants with joint inflammation

    Between baseline and 24 months

  • Number of participants with joint damage

    At baseline, 6 months and 24 months

  • Number of participants with joint damage

    Between baseline and 24 months

  • Number of participants with clinical arthropathy

    Every 6 months

  • +3 more secondary outcomes

Interventions

Study groupDIAGNOSTIC_TEST

Subjects will have physical, imaging examinations and provide samples for biological markers

Eligibility Criteria

Age4 Years - 11 Years
Sexmale
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • Hemophilia A with baseline FVIII levels of \<2%
  • Clinical history of ≥ 50 exposure days to FVIII prior to the study start.
  • On-demand treatment, prophylaxis FVIII infusions or treatment with plasma-derived products for \>3 months prior to enrollment into the study.

You may not qualify if:

  • History of FVIII inhibitor (titer \>0.6 Bethesda Units \[BU\])
  • Chronic renal failure (serum creatinine \>2.0 mg /dL).
  • Chronic liver disease (alanine aminotransferase \[ALT\] \>200 U/L).
  • Clinically documented immunodeficiency.
  • Anticipation of need for major surgery during the study period.
  • Association of diseases known to mimic or cause joint diseases such as symptomatic human immunodeficiency virus (HIV) infection, juvenile idiopathic arthritis, and metabolic bone diseases.
  • Social barriers for participation in the study such as long distance between home and the comprehensive care centre, and documented track record of non-compliance to therapies or participation in clinical studies.
  • Neuro-developmental/behavioral problems.
  • Contraindications to MR imaging (presence of heart pacemakers, metallic foreign bodies in the eye, aneurysm clips, severe claustrophobia).

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Beijing Children's Hospital

Beijing, China

Location

MeSH Terms

Conditions

Hemophilia AJoint Diseases

Condition Hierarchy (Ancestors)

Blood Coagulation Disorders, InheritedBlood Coagulation DisordersHematologic DiseasesHemic and Lymphatic DiseasesCoagulation Protein DisordersHemorrhagic DisordersGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesMusculoskeletal Diseases

Study Officials

  • Andrea Doria, MD

    The Hospital for Sick Children

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
DIAGNOSTIC
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Radiologist, Senior Scientist, Research Director, Department of Diagnostic Imaging

Study Record Dates

First Submitted

February 19, 2019

First Posted

April 16, 2019

Study Start

March 21, 2018

Primary Completion

February 2, 2022

Study Completion

November 30, 2023

Last Updated

April 19, 2024

Record last verified: 2024-04

Data Sharing

IPD Sharing
Will not share

Locations