Status:

UNKNOWN

Thrombin Generation Assay (TGA) as Predictive Test for Haemostatic. Effectiveness of FVIII Concentrates in Haemophiliac A With Inhibitors

Lead Sponsor:

Grifols Italia S.p.A

Collaborating Sponsors:

Thrombinoscope

Conditions:

Severe Hemophilia A With Inhibitor

Eligibility:

MALE

Brief Summary

This is an observational, prospective, longitudinal, multicenter, cohort study designed with the scope to verify whether or not TGA may predict effectiveness of different FVIII concentrates class (dev...

Detailed Description

Rationale: Hemophilia A is a serious and common hereditary bleeding disorder caused by deficiency of coagulation factor VIII (FVIII). Patients with this disease are treated with recombinant factor VI...

Eligibility Criteria

Inclusion

  • Diagnosis of inherited, severe (FVIII:C \< 1%) or moderately severe haemophilia A (FVIII ≤ 2%)
  • Any age
  • Ability to comply with study methods and willingness to participate to the study
  • Written informed consent.
  • FOR THE LOW RESPONDERS COHORT
  • \- Documented low anamnestic response after FVIII exposure (FVIII inhibitors titre \>0.6 and \< 5 BU/ml tested by Bethesda assay, Nijmegen modification). It will be included in this study those patients who have never been submitted to ITI and also those patients who have completed ITI with partial success (defined as inhibitors titre \>0.6 and \< 5 BU/ml and no increase in the INH titer \> 5 BU over treatment with FVIII)
  • INCLUSION CRITERIA FOR THE HIGH RESPONDERS COHORT
  • Documented high response after FVIII exposure (FVIII inhibitors titre \> 5 BU/ml tested by Bethesda assay, Nijmegen modification). It will be included in this study those patients who are potential candidates to a first or rescue ITI.
  • Any historical peak ≥ 5 BU

Exclusion

  • Diagnosis of acquired haemophilia
  • Diagnosis of inherited mild haemophilia A (FVIII \> 2%)
  • Life expectancy lower than 1 year
  • Psychiatric illness and any other conditions may impair ability to comply with study methods

Key Trial Info

Start Date :

March 1 2012

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

June 1 2016

Estimated Enrollment :

25 Patients enrolled

Trial Details

Trial ID

NCT01505946

Start Date

March 1 2012

End Date

June 1 2016

Last Update

June 17 2013

Active Locations (15)

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Page 1 of 4 (15 locations)

1

Azienda Ospedaliero Universitaria Consorziale Policlinico di Bari

Bari, Apulia, Italy, 70124

2

Ospedale Civile dell' Annunziata

Cosenza, Calabria, Italy, 87100

3

Az. Universitaria Policlinico "Federico II" Dip. Assist. di Clinica Medica

Napoli, Campania, Italy, 80131

4

UO Angiologia e Malattie della Coagulazione "Marino Golinelli" Az Osp. Policlinico S. Orsola Malpighi

Bologna, Emilia-Romagna, Italy, 40138