Status:

UNKNOWN

Comparison of Allogeneic Matched Related Haematopoietic Stem Cell Transplantation After a Reduced Intensity Conditioning Regimen With Standard of Care in Adolescents and Adults With Severe Sickle Cell Disease

Lead Sponsor:

Assistance Publique - Hôpitaux de Paris

Conditions:

Sickle Cell Disease

Eligibility:

All Genders

15-45 years

Phase:

PHASE3

Brief Summary

Although the survival of children with sickle cell disease (SCD) has dramatically improved over the last decades in the US and Europe, mortality remains high in adults. Moreover, many children and mos...

Eligibility Criteria

Inclusion

  • Inclusion criteria
  • SCD patients (SS/Sβ0)
  • Aged :15 to 45 years
  • With at least one non-SCD sibling \> 18 years from the same parental couple
  • Who presented at least one of the following criteria:
  • 3 VOC requiring hospitalization over one year within the past 2 years and at least a past history of an ACS
  • At least 1 ACS within the past 2 years requiring transfusions
  • History of ischemic stroke or cerebral/cervical arterial stenosis \> 50%
  • Pulmonary hypertension defined by mean pulmonary artery pressure ≥ 25 mmHg at rest, determined by right heart catherization
  • Requiring treatment with Hydroxyurea or chronic transfusion, or already treated by Hydroxyurea or transfusion program (TP) at inclusion.
  • Patients already receiving chronic transfusions for VOC or ACS not responding to hydroxyurea, will be eligible, provided at least 3 VOC requiring hospitalization/year within the 2 years before initiation of chronic transfusions, and at least past history of an ACS.
  • Contraception during all the study period by sirolimus for women of child bearing potential
  • Signed informed consent
  • Amenable to HLA typing, HSCT if an HLA-identical sibling is available.
  • Patients affiliated to the French health care insurance
  • Exclusion Criteria
  • Performance status: ECOG scale\>1
  • Pulmonary function: FEV1 et CVF \< 50% of the theorical value
  • Post capillary and severe pre-capillary pulmonary hypertension with measured mean pulmonary artery pressure at rest \>35 mmHg
  • Cardiac ejection fraction \< 45%
  • Estimated glomerular fraction rate (GFR) \<50ml/mn /1.73m2
  • Conjugate bilirubin \>50 µmole/L, cirrhosis, ALT\>4N
  • Uncontrolled infection
  • Known hypersensitivity of alemtuzumab
  • Known hypersensitivity to murine proteins and to the following excepients: disodium edetate, polysorbate 80, potassium chloride, potassium phosphate monobasic, sodium chloride, dibasic sodium phosphate, water for injections
  • Positivity for HIV
  • Pregnancy or breast-feeding women
  • Alloimmunization or Delayed Hemolytic Transfusion Reaction precluding red cell transfusions

Exclusion

    Key Trial Info

    Start Date :

    October 15 2019

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    October 15 2024

    Estimated Enrollment :

    78 Patients enrolled

    Trial Details

    Trial ID

    NCT04046705

    Start Date

    October 15 2019

    End Date

    October 15 2024

    Last Update

    September 23 2019

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    Comparison of Allogeneic Matched Related Haematopoietic Stem Cell Transplantation After a Reduced Intensity Conditioning Regimen With Standard of Care in Adolescents and Adults With Severe Sickle Cell Disease | DecenTrialz