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HLA Haploidentical Bone Marrow Transplant in Patients With Severe Sickle Cell Disease (DREPHAPLO)

Primary Purpose

Sickle Cell Disease

Status
Active
Phase
Phase 2
Locations
France
Study Type
Interventional
Intervention
bone marrow transplant
Sponsored by
Centre Hospitalier Intercommunal Creteil
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional other trial for Sickle Cell Disease focused on measuring sickle cell disease, haploidentical, graft, marrow

Eligibility Criteria

13 Years - 40 Years (Child, Adult)All SexesDoes not accept healthy volunteers

Inclusion criteria recipient:

  • Age: 13 years-40 years
  • Severe Sickle cell with at least one of the following criteria:

    • Stenosing vasculopathy with abnormal MRA despite prolonged transfusion program
    • PAH confirmed by right catheterization with mPAP> 25mmHg
    • Systolic ejection fraction <55% and tricuspid regurgitation speed> 2.5m /s at distance from an acute episode
    • No possibility of blood transfusion or very complicated blood transfusion
    • Report albumin / creatinine> 30 mg / mmol, confirmed 3 times, away at distance from acute episode and persistent despite hydroxyurea or IEC
    • GFR <80ml / min /1.73m2 (CKD-Epi without ethnic criterion)
    • Previous history of acute liver sequestration with liver failure
    • Acute chest syndrome or vaso-occlusive crises under hydroxyurea
    • Complications of sickle cell transfusion imposing an exchange program with no possible withdrawal beyond a period of one year
  • Not having geno-identical donor, but a haploidentical major donor (parent, sibling, adult child, or HbAA AS)
  • Having red and understood the information letter and signed the informed consent
  • Patients affiliated to a social security system (Social Security or Universal Medical Coverage)

Exclusion Criteria recipient:

  • Patient with a geno-identical donor
  • Performans status: ECOG> 1
  • lung disease: FEV1 and FVC <50% predicted,
  • score of PAH NYHA≥2
  • Liver disease with bilirubin> 50 .mu.mol / L
  • heart failure defined by NYHA≥3 score ejection fraction <45% or shortening fraction <24%
  • anti HLA alloimmunization against the donor or against red cell antigens of the donor
  • Serology or HIV viral load positively
  • Patients who for family, social or geographical reasons, do not wish to be regularly monitored in consultation
  • severe uncontrolled infection at the time of inclusion or graft
  • pregnant woman (positive beta HCG) or during lactation
  • incapable adult patient, trust, guardianship, or safeguard justice

Inclusion criteria donor

  • Age> 18 years and <60 years
  • Viral serologic economy allows the graft
  • No contraindication for general anesthesia
  • No contraindication the administration of G-CSF (the existence of sickle cell trait is not a contraindication)
  • Lack antigens HLA recognized by the recipient antibody
  • Hemoglobin S <50%
  • When several donors are compatible: choose according to the ABO recipient: prefer ABO compatibility and major incompatibility and minor incompatibility, and finally major and minor incompatibility.
  • Signature of informed consent
  • Non-inclusion criteria donors: β HCG positive or known pregnancy

Sites / Locations

  • CHU Henri-Mondor
  • intercommunal hospital of Créteil
  • CHU La Timone
  • Hospital Necker
  • Hospital Robert-Debré
  • Saint-Louis hospital
  • CHU Strasbourg

Arms of the Study

Arm 1

Arm Type

Experimental

Arm Label

bone marrow transplant

Arm Description

All the included patient will receive an haploidentical bone marrow transplant with the following protocol concerning the conditioning and GvHD prevention Conditioning THYMOGLOBULINE : 0.5mg/kg at D-9 and 2 mg/kg at D-8 and D-7 THIOTEPA: 10mg/kg/j at D-7 CYCLOPHOSPHAMIDE (Endoxan®):14.5mg/kg/j at D-6 and D-5 FLUDARABINE (Fludara®): 30mg/m2 per Day from D-6 to D-2 TBI : 2GY : D -1 Graft : Injection at D0 of G-CSF-stimulated bone marrow transplant. Prophylaxis of GvHD CYCLOPHOSPHAMIDE (Endoxan®): 50mg/Kg per Day from D+3 to D+4 Sirolimus and MycophénolateMofétil (MMP) from D+5. In the absence of acute GvHD (aGvHD), stop of MMP to D35 and pursuit of sirolimus 1 year after the graft.

Outcomes

Primary Outcome Measures

Survival rate
Survival without sickle cell survival rate (electrophoresis of hemoglobin similar to that from the donor, that is to say a percentage of HbS not exceeding 10% of that of distance donor transfusions and that of a stable manner and without GvHDc other than mild

Secondary Outcome Measures

Survival rate
Survival without sickle cell survival rate (electrophoresis of hemoglobin similar to that from the donor, that is to say a percentage of HbS not exceeding 10% of that of distance donor transfusions and that of a stable manner and without GvHDc other than mild
haematologic reconstitution
defined as a neutrophil count> 500 / mm3 and platelets> 20000 / mm3, for three consecutive days.
Chimerism
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Chimerism
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Chimerism
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Chimerism
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Chimerism
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Chimerism
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Chimerism
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Chimerism
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Chimerism
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
hemoglobin electrophoresis
hemoglobin electrophoresis
hemoglobin electrophoresis
hemoglobin electrophoresis
hemoglobin electrophoresis
hemoglobin electrophoresis
hemoglobin electrophoresis
hemoglobin electrophoresis
hemoglobin electrophoresis
occurence of graft versus host disease
evaluated monthly from M1 to M6, and M9, M12, M24
grade of graft versus host disease
Incidence and grade of GvHD, toxic deaths and infectious complications and secondary cancer
occurrence of toxic deaths
occurrence of infectious complications
occurrence of secondary cancer
Lymphocyte immunophenotyping
Lymphocyte immunophenotyping T, B and NK + The Extended Phenotype including activation markers, assessment of naive people and memories, T reg populations etc) and plasma protein electrophoresis: 1 month, 3 months, 6 months, 12 months and 24 months post-transplantation.
ECOG score value
Index Trading ECOG complete physical examination with determination of weight
Assessment of sickle cell disease complications
Microalbuminuria, creatinuria; echocardiography for measurement of systolic ventricular ejection fraction (February), PAH research and measurement IT Vmax; respiratory function tests with measurement of DLCO; MRI brain with ARM and Cervical Pre-transplant anomalies; Radio of the pelvis
ferritin dosage
Evaluation of iron overload by ferritin
ferritin dosage
Evaluation of iron overload by ferritin
MRI iron overload
hepatic and cardiac MRI to assess the iron overload

Full Information

First Posted
July 31, 2017
Last Updated
September 5, 2023
Sponsor
Centre Hospitalier Intercommunal Creteil
Collaborators
Keocyt, Association Clinique Thérapeutique Infantile du val de Marne
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1. Study Identification

Unique Protocol Identification Number
NCT03240731
Brief Title
HLA Haploidentical Bone Marrow Transplant in Patients With Severe Sickle Cell Disease
Acronym
DREPHAPLO
Official Title
Bone Marrow Transplantation HLA Haploidentical After a Reduced Intensity Conditioning and Prevention of GvHD Based on Post-transplant Cyclophosphamide Administration in Patients With Severe Sickle Cell Disease
Study Type
Interventional

2. Study Status

Record Verification Date
September 2023
Overall Recruitment Status
Active, not recruiting
Study Start Date
August 10, 2017 (Actual)
Primary Completion Date
March 2024 (Anticipated)
Study Completion Date
September 2025 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
Centre Hospitalier Intercommunal Creteil
Collaborators
Keocyt, Association Clinique Thérapeutique Infantile du val de Marne

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
Yes

5. Study Description

Brief Summary
multicentric interventional biomedical research phase II, prospective, non-randomized evaluating a haploidentical marrow transplants after reduced-intensity conditioning and prevention of GvHD based on cyclophosphamide administration post transplantation in patients with severe sickle cell disease.
Detailed Description
Sickle cell disease is a severe disease with frequent occurrence of painful crises and progressive installation of a multi organ injuries. Despite the progress in its management, particularly since the introduction of hydroxycarbamide, the median age of death in sickle cell patients was about 40 years in a recent US study. Severe forms resistant to hydroxyurea or cerebral vasculopathy require transfusion programs throughout susceptible to risks of iron overload and alloimmunization. The bone marrow transplantation cures almost 95% of children and adolescents transplant from an HLA-identical siblings. In patients without HLA-identical donor, interesting results have been reported in haploidentical transplants marrow without ex vivo T cell depletion taken after non myeloablative conditioning regimen and GvHD prevention with cyclophosphamide high dose injection after bone marrow transplant . This approach performed in 14 patients was effective to cure 50% of the patients and 50% have rejected the transplant . No death or severe GvHD were related to the procedure. DREPHAPLO protocol aims to evaluate that approach in a population of sickle cell patients with severe complications of the disease, bringing direct benefit to patients with a cure of the disease in at least half of them.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Sickle Cell Disease
Keywords
sickle cell disease, haploidentical, graft, marrow

7. Study Design

Primary Purpose
Other
Study Phase
Phase 2
Interventional Study Model
Single Group Assignment
Model Description
Haploidentical Marrow Transplants
Masking
None (Open Label)
Allocation
N/A
Enrollment
18 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
bone marrow transplant
Arm Type
Experimental
Arm Description
All the included patient will receive an haploidentical bone marrow transplant with the following protocol concerning the conditioning and GvHD prevention Conditioning THYMOGLOBULINE : 0.5mg/kg at D-9 and 2 mg/kg at D-8 and D-7 THIOTEPA: 10mg/kg/j at D-7 CYCLOPHOSPHAMIDE (Endoxan®):14.5mg/kg/j at D-6 and D-5 FLUDARABINE (Fludara®): 30mg/m2 per Day from D-6 to D-2 TBI : 2GY : D -1 Graft : Injection at D0 of G-CSF-stimulated bone marrow transplant. Prophylaxis of GvHD CYCLOPHOSPHAMIDE (Endoxan®): 50mg/Kg per Day from D+3 to D+4 Sirolimus and MycophénolateMofétil (MMP) from D+5. In the absence of acute GvHD (aGvHD), stop of MMP to D35 and pursuit of sirolimus 1 year after the graft.
Intervention Type
Biological
Intervention Name(s)
bone marrow transplant
Intervention Description
haploidentical bone marrow transplant
Primary Outcome Measure Information:
Title
Survival rate
Description
Survival without sickle cell survival rate (electrophoresis of hemoglobin similar to that from the donor, that is to say a percentage of HbS not exceeding 10% of that of distance donor transfusions and that of a stable manner and without GvHDc other than mild
Time Frame
2 years
Secondary Outcome Measure Information:
Title
Survival rate
Description
Survival without sickle cell survival rate (electrophoresis of hemoglobin similar to that from the donor, that is to say a percentage of HbS not exceeding 10% of that of distance donor transfusions and that of a stable manner and without GvHDc other than mild
Time Frame
1 year
Title
haematologic reconstitution
Description
defined as a neutrophil count> 500 / mm3 and platelets> 20000 / mm3, for three consecutive days.
Time Frame
2 years
Title
Chimerism
Description
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Time Frame
at month 1
Title
Chimerism
Description
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Time Frame
at month 2
Title
Chimerism
Description
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Time Frame
at month 3
Title
Chimerism
Description
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Time Frame
at month 4
Title
Chimerism
Description
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Time Frame
at month 5
Title
Chimerism
Description
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Time Frame
at month 6
Title
Chimerism
Description
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Time Frame
at month 9
Title
Chimerism
Description
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Time Frame
at month 12
Title
Chimerism
Description
Chimerism in the peripheral blood of the total population and the CD3 + population with the techniques usually employed by the centers
Time Frame
at month 24
Title
hemoglobin electrophoresis
Time Frame
at 1 month
Title
hemoglobin electrophoresis
Time Frame
at 2 month
Title
hemoglobin electrophoresis
Time Frame
at 3 months
Title
hemoglobin electrophoresis
Time Frame
at 4 months
Title
hemoglobin electrophoresis
Time Frame
at 5 months
Title
hemoglobin electrophoresis
Time Frame
at 6 months
Title
hemoglobin electrophoresis
Time Frame
at 9 months
Title
hemoglobin electrophoresis
Time Frame
at 12 months
Title
hemoglobin electrophoresis
Time Frame
at 24 months
Title
occurence of graft versus host disease
Description
evaluated monthly from M1 to M6, and M9, M12, M24
Time Frame
at month 24
Title
grade of graft versus host disease
Description
Incidence and grade of GvHD, toxic deaths and infectious complications and secondary cancer
Time Frame
at month 24
Title
occurrence of toxic deaths
Time Frame
at month 24
Title
occurrence of infectious complications
Time Frame
at month 24
Title
occurrence of secondary cancer
Time Frame
at month 24
Title
Lymphocyte immunophenotyping
Description
Lymphocyte immunophenotyping T, B and NK + The Extended Phenotype including activation markers, assessment of naive people and memories, T reg populations etc) and plasma protein electrophoresis: 1 month, 3 months, 6 months, 12 months and 24 months post-transplantation.
Time Frame
2 years
Title
ECOG score value
Description
Index Trading ECOG complete physical examination with determination of weight
Time Frame
2 years
Title
Assessment of sickle cell disease complications
Description
Microalbuminuria, creatinuria; echocardiography for measurement of systolic ventricular ejection fraction (February), PAH research and measurement IT Vmax; respiratory function tests with measurement of DLCO; MRI brain with ARM and Cervical Pre-transplant anomalies; Radio of the pelvis
Time Frame
at 1 year
Title
ferritin dosage
Description
Evaluation of iron overload by ferritin
Time Frame
at month 3
Title
ferritin dosage
Description
Evaluation of iron overload by ferritin
Time Frame
at month 6
Title
MRI iron overload
Description
hepatic and cardiac MRI to assess the iron overload
Time Frame
at 12 months

10. Eligibility

Sex
All
Minimum Age & Unit of Time
13 Years
Maximum Age & Unit of Time
40 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion criteria recipient: Age: 13 years-40 years Severe Sickle cell with at least one of the following criteria: Stenosing vasculopathy with abnormal MRA despite prolonged transfusion program PAH confirmed by right catheterization with mPAP> 25mmHg Systolic ejection fraction <55% and tricuspid regurgitation speed> 2.5m /s at distance from an acute episode No possibility of blood transfusion or very complicated blood transfusion Report albumin / creatinine> 30 mg / mmol, confirmed 3 times, away at distance from acute episode and persistent despite hydroxyurea or IEC GFR <80ml / min /1.73m2 (CKD-Epi without ethnic criterion) Previous history of acute liver sequestration with liver failure Acute chest syndrome or vaso-occlusive crises under hydroxyurea Complications of sickle cell transfusion imposing an exchange program with no possible withdrawal beyond a period of one year Not having geno-identical donor, but a haploidentical major donor (parent, sibling, adult child, or HbAA AS) Having red and understood the information letter and signed the informed consent Patients affiliated to a social security system (Social Security or Universal Medical Coverage) Exclusion Criteria recipient: Patient with a geno-identical donor Performans status: ECOG> 1 lung disease: FEV1 and FVC <50% predicted, score of PAH NYHA≥2 Liver disease with bilirubin> 50 .mu.mol / L heart failure defined by NYHA≥3 score ejection fraction <45% or shortening fraction <24% anti HLA alloimmunization against the donor or against red cell antigens of the donor Serology or HIV viral load positively Patients who for family, social or geographical reasons, do not wish to be regularly monitored in consultation severe uncontrolled infection at the time of inclusion or graft pregnant woman (positive beta HCG) or during lactation incapable adult patient, trust, guardianship, or safeguard justice Inclusion criteria donor Age> 18 years and <60 years Viral serologic economy allows the graft No contraindication for general anesthesia No contraindication the administration of G-CSF (the existence of sickle cell trait is not a contraindication) Lack antigens HLA recognized by the recipient antibody Hemoglobin S <50% When several donors are compatible: choose according to the ABO recipient: prefer ABO compatibility and major incompatibility and minor incompatibility, and finally major and minor incompatibility. Signature of informed consent Non-inclusion criteria donors: β HCG positive or known pregnancy
Facility Information:
Facility Name
CHU Henri-Mondor
City
Créteil
ZIP/Postal Code
94000
Country
France
Facility Name
intercommunal hospital of Créteil
City
Créteil
ZIP/Postal Code
94000
Country
France
Facility Name
CHU La Timone
City
Marseille
Country
France
Facility Name
Hospital Necker
City
Paris
Country
France
Facility Name
Hospital Robert-Debré
City
Paris
Country
France
Facility Name
Saint-Louis hospital
City
Paris
Country
France
Facility Name
CHU Strasbourg
City
Strasbourg
Country
France

12. IPD Sharing Statement

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HLA Haploidentical Bone Marrow Transplant in Patients With Severe Sickle Cell Disease

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