Donor Stem Cell Transplant With Treosulfan, Fludarabine, and Thiotepa in Treating Patients With Non-malignant Disorders

Registration Number
NCT03980769
Lead Sponsor
Fred Hutchinson Cancer Center
Brief Summary

This phase II clinical trial studies how well treosulfan, thiotepa, fludarabine, and rabbit anti-thymocyte globulin (rATG) before donor stem cell transplantation works in treating patients with nonmalignant (non-cancerous) diseases. Hematopoietic cell transplantation has been shown to be curative for many patients with nonmalignant (non-cancerous) diseases s...

Detailed Description

OUTLINE:
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Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
40
Inclusion Criteria
  • Patient with nonmalignant disease treatable by allogenic HCT

  • Patient with a nonmalignant disease that is not clearly defined (a patient with a non-malignant disease for whom genetic testing has been done and a genetic mutation responsible for their non-malignant disease phenotype has not been identified) are eligible for the study following discussion with and approval by the protocol principal investigator (PI) (Dr. Lauri Burroughs)

  • Age < 50 years

  • DONOR: Human leukocyte antigen (HLA)-identical related donor OR unrelated donor matched for HLA-A, B, C, DRB1 and DQB1 or mismatched for a single allele at HLA-A, B, C, or a single DQB1 antigen or allele mismatch by high resolution deoxyribonucleic acid (DNA) typing

  • DONOR: Bone marrow is the preferred cell source (when feasible). However, peripheral blood stem cells (PBSC) is also allowed and the PI may determine if PBSC is preferred for certain patients

    • The recommended total nucleated cell count (TNC) for bone marrow grafts is >= 4.0 x 10^8 TNC/kg (actual recipient weight)
    • The recommended CD34 cell count for PBSC grafts is >= 5 x 10^6 CD34/kg (actual recipient weight) and the recommended maximum CD34 cell count for PBSC grafts is 10 x 10^6 CD34/kg (actual recipient weight)
  • DONOR: HLA-matched sibling bone marrow in combination with HLA-matched sibling umbilical cord blood if the HLA-matched sibling umbilical cord blood was collected and stored. The HLA-matched sibling bone marrow and cord blood would be matched for HLA-A, B, C, DRB1 and DQB1

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Exclusion Criteria
  • Patients with idiopathic aplastic anemia and Fanconi anemia; patients with aplastic anemia associated with paroxysmal nocturnal hemoglobinuria (PNH) or inherited marrow failure syndromes (except Fanconi anemia) will be allowed

  • Impaired cardiac function as evidenced by ejection fraction < 35% (or, if unable to obtain ejection fraction, shortening fraction of < 26%) or cardiac insufficiency requiring treatment or symptomatic coronary artery disease. Patients with a shortening fraction of < 26% may be enrolled if approved by a cardiologist

  • Impaired pulmonary function as evidenced by carbon monoxide diffusing capability (DLCO) corrected < 50% of predicted (or, if unable to perform pulmonary function tests, then oxygen [O2] saturation < 92% on room air)

  • Impaired renal function as evidenced by:

    • Estimated creatinine clearance < 60 mL/min/1.73m^2 using either the Chronic Kidney Disease Epidemiology Collaboration (CKD EPI) equation for adult patients (>= 18 years old), or the updated Schwartz formula for pediatric patients (< 18 years old). If the estimated creatinine clearance is < 60 mL/min/1.73m^2, then renal function must be measured by 24-hour creatinine clearance, Iothalamate, Iohexol or nuclear GFR and the patient is excluded if their measured creatinine clearance is < 50 mL/min/1.73 m^2, OR
    • Serum creatinine > 2 x upper limit of normal, OR
    • Dialysis dependent
  • Evidence of synthetic dysfunction or severe cirrhosis requiring deferral of conditioning as recommended by a gastroenterology specialist

  • Active infectious disease requiring deferral of conditioning as recommended by an infectious disease specialist

  • Positive for HIV (human immunodeficiency virus)

  • Females who are pregnant or breast-feeding

  • Known hypersensitivity to treosulfan, fludarabine, and/or thiotepa

  • DONOR: Donors deemed unable to undergo marrow harvesting of PBSC mobilization and leukapheresis

  • DONOR: HIV-positive donors

  • DONOR: Donors with active infectious hepatitis

  • DONOR: Female donor with positive pregnancy test

  • DONOR: Donors are excluded if the patient has an identified antibody against a donor-specific HLA locus as specified in standard practice

  • DONOR: HLA-matched sibling cord blood units that have not passed donor screening for infectious disease markers as recommended by the National Marrow Donor Project (NMDP) will not be used unless a waiver is signed by the clinical attending allowing use of cord blood unit. Cord blood units are presumed to be cytomegalovirus (CMV) negative regardless of serologic testing due to passive transmission of maternal CMV antibodies

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Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Treatment (chemotherapy, transplant)Rabbit Anti-Thymocyte GlobulinPatients receive thiotepa IV BID over 2 hours on day -7, treosulfan IV over 120 minutes on days -6 to -4, fludarabine phosphate IV over 60 minutes on days -6 to -2, and rabbit anti-thymocyte globulin IV over 4-6 hours on days -4 to -2. Patients then undergo allogeneic hematopoietic cell transplant via infusion on day 0. Patients may also undergo bone marrow biopsy and aspiration and MRI as clinically indicated and blood sample collection on study.
Treatment (chemotherapy, transplant)Allogeneic Hematopoietic Stem Cell TransplantationPatients receive thiotepa IV BID over 2 hours on day -7, treosulfan IV over 120 minutes on days -6 to -4, fludarabine phosphate IV over 60 minutes on days -6 to -2, and rabbit anti-thymocyte globulin IV over 4-6 hours on days -4 to -2. Patients then undergo allogeneic hematopoietic cell transplant via infusion on day 0. Patients may also undergo bone marrow biopsy and aspiration and MRI as clinically indicated and blood sample collection on study.
Treatment (chemotherapy, transplant)Bone Marrow BiopsyPatients receive thiotepa IV BID over 2 hours on day -7, treosulfan IV over 120 minutes on days -6 to -4, fludarabine phosphate IV over 60 minutes on days -6 to -2, and rabbit anti-thymocyte globulin IV over 4-6 hours on days -4 to -2. Patients then undergo allogeneic hematopoietic cell transplant via infusion on day 0. Patients may also undergo bone marrow biopsy and aspiration and MRI as clinically indicated and blood sample collection on study.
Treatment (chemotherapy, transplant)Bone Marrow AspirationPatients receive thiotepa IV BID over 2 hours on day -7, treosulfan IV over 120 minutes on days -6 to -4, fludarabine phosphate IV over 60 minutes on days -6 to -2, and rabbit anti-thymocyte globulin IV over 4-6 hours on days -4 to -2. Patients then undergo allogeneic hematopoietic cell transplant via infusion on day 0. Patients may also undergo bone marrow biopsy and aspiration and MRI as clinically indicated and blood sample collection on study.
Treatment (chemotherapy, transplant)Magnetic Resonance ImagingPatients receive thiotepa IV BID over 2 hours on day -7, treosulfan IV over 120 minutes on days -6 to -4, fludarabine phosphate IV over 60 minutes on days -6 to -2, and rabbit anti-thymocyte globulin IV over 4-6 hours on days -4 to -2. Patients then undergo allogeneic hematopoietic cell transplant via infusion on day 0. Patients may also undergo bone marrow biopsy and aspiration and MRI as clinically indicated and blood sample collection on study.
Treatment (chemotherapy, transplant)Biospecimen CollectionPatients receive thiotepa IV BID over 2 hours on day -7, treosulfan IV over 120 minutes on days -6 to -4, fludarabine phosphate IV over 60 minutes on days -6 to -2, and rabbit anti-thymocyte globulin IV over 4-6 hours on days -4 to -2. Patients then undergo allogeneic hematopoietic cell transplant via infusion on day 0. Patients may also undergo bone marrow biopsy and aspiration and MRI as clinically indicated and blood sample collection on study.
Treatment (chemotherapy, transplant)ThiotepaPatients receive thiotepa IV BID over 2 hours on day -7, treosulfan IV over 120 minutes on days -6 to -4, fludarabine phosphate IV over 60 minutes on days -6 to -2, and rabbit anti-thymocyte globulin IV over 4-6 hours on days -4 to -2. Patients then undergo allogeneic hematopoietic cell transplant via infusion on day 0. Patients may also undergo bone marrow biopsy and aspiration and MRI as clinically indicated and blood sample collection on study.
Treatment (chemotherapy, transplant)TreosulfanPatients receive thiotepa IV BID over 2 hours on day -7, treosulfan IV over 120 minutes on days -6 to -4, fludarabine phosphate IV over 60 minutes on days -6 to -2, and rabbit anti-thymocyte globulin IV over 4-6 hours on days -4 to -2. Patients then undergo allogeneic hematopoietic cell transplant via infusion on day 0. Patients may also undergo bone marrow biopsy and aspiration and MRI as clinically indicated and blood sample collection on study.
Treatment (chemotherapy, transplant)Fludarabine PhosphatePatients receive thiotepa IV BID over 2 hours on day -7, treosulfan IV over 120 minutes on days -6 to -4, fludarabine phosphate IV over 60 minutes on days -6 to -2, and rabbit anti-thymocyte globulin IV over 4-6 hours on days -4 to -2. Patients then undergo allogeneic hematopoietic cell transplant via infusion on day 0. Patients may also undergo bone marrow biopsy and aspiration and MRI as clinically indicated and blood sample collection on study.
Primary Outcome Measures
NameTimeMethod
Engraftment failure1 year after transplant

Will be defined as donor CD3 chimerism \< 5% at 1 year after transplant.

Secondary Outcome Measures
NameTimeMethod
Transplant-related mortalityAt day 100 after transplant
Overall survivalAt 1 year post-transplant
Incidence of chronic graft-versus-host diseaseAt 1 year after transplant
Event-free survivalAt 1 year post-transplant

Defined as death due to any cause, donor lymphocyte infusion, CD34 boost, second transplant, graft rejection or graft failure, or the development of myelodysplastic syndrome or leukemia following transplant (whichever event occurs first).

Incidence of grade II-IV acute graft-versus-host diseaseAt day 100 after transplant
Donor chimerism CD3 & CD33At 1 year after transplant

Trial Locations

Locations (1)

Fred Hutch/University of Washington Cancer Consortium

🇺🇸

Seattle, Washington, United States

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