Status:

COMPLETED

Joint Status in Subjects With Severe Hemophilia A in Relation to Different Treatment Regimens

Lead Sponsor:

Bayer

Conditions:

Hemophilia A

Eligibility:

MALE

12-35 years

Phase:

PHASE4

Brief Summary

The joint status (knees, ankles) of patients suffering from severe Hemophilia A (too little blood clotting factor VIII in blood) is evaluated in a single magnetic resonance imaging session. No study m...

Eligibility Criteria

Inclusion

  • Males aged 12 - 35 years
  • Severe hemophilia A ( \< 1 % FVIII:C)
  • No history of Factor VIII inhibitory antibody
  • For prophylaxis groups, having received at least two prophylactic infusions per week for 45 weeks per year for the prevention of bleeding without relevant interruption and continuing until the present.
  • Complete documentation of joints bleeds and their locations prior to start of prophylaxis,
  • Bleeding history and/or treatments received during the last 5 years documented in the subjects medical records.
  • For the on-demand subjects \> 12 bleeds/year in the last 5 years.
  • Written informed consent by subject and parent/legal representative, if \< 18 years

Exclusion

  • Individuals with other coagulopathies (e.g., von Willebrand disease)
  • HIV seropositive subjects
  • Individuals for whom the most clinically severe joint is not one of the 4 index joints (ankle, knee)
  • HCV seropositive individuals who underwent interferon therapy during the last 12 months
  • Individuals for whom high-magnetic exposure is contraindicated (see section 7.1)
  • Synovectomy performed within the six months prior to investigation enrollment or orthopedic surgery planned to be performed within the investigation period
  • Joint replacement
  • For the on-demand treatment group, any period greater than 8 consecutive months having received \>/= 50 IU per kg per week Factor VIII for the prevention of bleeding

Key Trial Info

Start Date :

June 1 2009

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 1 2010

Estimated Enrollment :

156 Patients enrolled

Trial Details

Trial ID

NCT00927667

Start Date

June 1 2009

End Date

December 1 2010

Last Update

February 20 2013

Active Locations (15)

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Page 1 of 4 (15 locations)

1

Heidelberg, Baden-Wurttemberg, Germany, 69123

2

Bonn, North Rhine-Westphalia, Germany, 53105

3

Münster, North Rhine-Westphalia, Germany, 48143

4

Magdeburg, Saxony-Anhalt, Germany, 39112