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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT04776850
Other study ID # 2020-0952
Secondary ID NCI-2021-0036520
Status Withdrawn
Phase Early Phase 1
First received
Last updated
Start date December 29, 2020
Est. completion date December 5, 2022

Study information

Verified date November 2022
Source M.D. Anderson Cancer Center
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This clinical trial studies the effect of pre-transplant immunosuppression (PTIS) and donor stem cell transplant in treating patients with severe blood diseases (hemoglobinopathies). PTIS helps prepare the body for the transplant and lowers the risk of developing graft versus host disease (GVHD). Hematopoietic cells are found in the bone marrow and produce blood cells. Hematopoietic cell transplantation (HCT) injects healthy hematopoietic cells into the body to support blood cell production. PTIS and HCT may help to control severe hemoglobinopathies.


Description:

PRIMARY OBJECTIVE: I. To estimate event-free survival (EFS) at 2-years post HCT. SECONDARY OBJECTIVES: I. Assess event-free survival (EFS) at 100 days and 1 year post HCT. II. Assess overall survival (OS) at 100 days and 1 year post HCT. III. 30-day transplant-related mortality (TRM). IV. Time to platelet and neutrophil engraftment. V. Rate of graft failure (primary and secondary) through day 100. VI. Incidence of acute graft-versus-host disease (aGVHD) by day 100. VII. Incidence of chronic graft-versus-host disease (cGVHD) by 1 year and 2 years. VIII. Rate of grade II or greater organ toxicity through day 100. IX. Incidence of hepatic sinusoidal obstruction syndrome (SOS) by day 100. X. Incidence of central nervous system (CNS) toxicities including posterior reversible encephalopathy syndrome (PRES) by day 100. XI. Incidence of infectious complications through day 100. EXPLORATORY OBJECTIVES: I. Effect of HCT on clinical and laboratory manifestations of hemoglobinopathies by 1 and 2 years after HCT. II. Assess the pharmacokinetic profile of busulfan and thymoglobulin to better understand post-transplant outcomes. III. Assess immune reconstitution kinetics post HCT. OUTLINE: DONOR-SPECIFIC ANTI-HLA DESENSITIZATION: Patients with donor-specific anti-HLA antibody titers >= 1:3,000 at the start of PTIS receive rituximab intravenously (IV) on days -69, -41, -28, and -13 and bortezomib IV over less than 1 minute on days -68, -65, -40, and -37 in the absence of unacceptable toxicity. Patients with donor-specific anti-HLA antibody titers > 1:15,000 at the start of PTIS receive receive rituximab IV on days -69, -41, -28, and -13 and bortezomib IV over less than 1 minute on days -68, -65, -62, -58, -40, -37, -34, and -31 in the absence of unacceptable toxicity. Patients with donor-specific anti-HLA antibody titers > 1:5,000 at the start of conditioning may also undergo plasmapheresis on day -12. PTIS: Patients receive fludarabine phosphate (fludarabine) IV over 1 hour and dexamethasone IV over less than 1 minute on days -68 to -64 and days -40 to -36 in the absence of disease progression or unacceptable toxicity. CONDITIONING: Patients receive lapine T-lymphocyte immune globulin (rATG) IV over 4-6 hours on days -12 to -10, fludarabine phosphate IV over 1 hour on days -8 to -4, and busulfan IV over 2 hours on days -7 to -4 in the absence of disease progression or unacceptable toxicity. TRANSPLANT: Patients undergo HCT on day 0. GVHD PROPHYLAXIS: Patients receive cyclophosphamide IV over 2-3 hours on days 3 and 4 in the absence of unacceptable toxicity. Beginning on day 5, patients also receive tacrolimus IV continuously daily and then orally (PO) twice daily (BID) at the discretion of the treating physician for up to 12 months, and mycophenolate mofetil IV or PO BID up to day 60 in the absence of unacceptable toxicity. After completion of HCT, patients are followed up periodically for up to 2 years.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date December 5, 2022
Est. primary completion date December 5, 2022
Accepts healthy volunteers No
Gender All
Age group 2 Years to 30 Years
Eligibility Inclusion Criteria: - Patients 2-30 years-of-age with confirmed sickle cell disease (SCD) (SS & sickle beta [SB]-thalassemia, both sickle beta 0 [SB0] and sickle beta plus [SB+]) or severe B-thalassemia major are potentially eligible - Patients with SCD should also meet the following eligibility criteria as outlined by the Center for Medicaid and Medicare Services: sickle cell disease and at least one of the following: - Stroke or neurological deficit lasting > 24 hours - Recurrent acute chest syndrome (ACS): 2 or more episodes of ACS in 2-year period preceding enrollment - Recurrent vaso-occlusive pain crises: 3 or more episodes per year in 2-year period preceding enrollment or recurrent priapism (3 or more episodes in the 2 years preceding enrollment) - Chronic transfusion program defined as 8 or more packed red blood cells (PRBC) transfusions per year to prevent central nervous system and/or vaso-occlusive complications in 1-year period preceding enrollment - Impaired neuropsychological function and abnormal cerebral magnetic resonance imaging (MRI) scan (silent strokes) - Stage I or II sickle lung disease - Sickle nephropathy (moderate or severe proteinuria or a glomerular filtration rate 30-50% of predicted normal value) - Bilateral proliferative retinopathy and major visual impairment in at least one eye - Osteonecrosis of multiple joints - Echocardiographic finding of tricuspid valve regurgitant jet velocity (TRJV) >= 2.7 m/sec - Patients with B-thalassemia are considered as severe if they are/have any of the following: - Transfusion-dependent - Evidence of extra-medullary hematopoiesis - Pesaro Class III - Patients shall not proceed to HCT without confirmation of primary diagnosis by review of available newborn screening results or hemoglobin electrophoresis and/or genetic testing - DONOR: High resolution HLA typing will be performed on all willing and available biologic parents and siblings without clinically significant hemoglobinopathy. Preference will be given to donors with the lowest number of HLA-allele mismatches - DONOR: Donor-specific anti-HLA antibodies will be obtained and analyzed from all patients. Preference will be given to donors with absent or low titer anti HLA-donor specific antibody levels when possible Exclusion Criteria: - Uncontrolled infection - Females who are pregnant and/or unwilling to cease breastfeeding - Seropositivity for human immunodeficiency virus (HIV) - Lansky or Karnofsky performance status < 70% - Life expectancy severely limited by concomitant illness - Uncontrolled arrhythmias or symptomatic cardiac disease - Uncontrolled symptomatic pulmonary disease - Evidence of chronic active hepatitis or cirrhosis - Serum conjugated (direct) bilirubin > 2 x upper limit of normal for age. Participants are not excluded if the serum conjugated (direct) bilirubin is > 2 x the upper limit of normal for age as per local laboratory and: - There is evidence of a hyperhemolytic reaction after a recent red blood cell (RBC) transfusion, OR - There is evidence of moderate direct hyperbilirubinemia defined as direct serum bilirubin < 5 times upper limit of normal (ULN) and not caused by underlying hepatic disease - Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) > 5 x upper limit of normal for age - Serum creatinine > 1.5 x upper limit of normal for age AND estimated or measure creatinine clearance < 70 mL/min/1.72 m^2 - Patient, parent or guardian unable/unwilling to provide consent and when indicated, assent - Patients with available HLA-matched related donor - Prior receipt of gene therapy - DONOR: All potential donors shall be tested by hemoglobin electrophoresis. Any potential donor with a clinically significant hemoglobinopathy will be deemed ineligible. Donors with sickle cell trait and beta thalassemia trait are eligible to donate

Study Design


Intervention

Drug:
Bortezomib
Given IV
Busulfan
Given IV
Cyclophosphamide
Given IV
Dexamethasone
Given IV
Fludarabine Phosphate
Given IV
Procedure:
Hematopoietic Cell Transplantation
Undergo HCT
Biological:
Lapine T-Lymphocyte Immune Globulin
Given IV
Drug:
Mycophenolate Mofetil
Given IV or PO
Procedure:
Plasmapheresis
Undergo plasmapheresis
Biological:
Rituximab
Given IV
Drug:
Tacrolimus
Given IV or PO

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
M.D. Anderson Cancer Center

Outcome

Type Measure Description Time frame Safety issue
Primary Event-free survival (EFS) EFS is defined as survival time following HCT without a qualifying event. Will be summarized by the Kaplan-Meier method with 95% confidence intervals. At 2 years post-hematopoietic cell transplantation (HCT)
Secondary Event-free survival EFS is defined as survival time following HCT without a qualifying event. Will be summarized by the Kaplan-Meier method with 95% confidence intervals. Up to 100 days post-HCT
Secondary Event-free survival EFS is defined as survival time following HCT without a qualifying event. Will be summarized by the Kaplan-Meier method with 95% confidence intervals. Up to 1 year post-HCT
Secondary Overall survival Will be summarized by the Kaplan-Meier method. Up to 100 days post-HCT
Secondary Overall survival Will be summarized by the Kaplan-Meier method. Up to 1 year post-HCT
Secondary Transplant-related mortality Will be summarized by the Kaplan-Meier method. Up to 30 days post-HCT
Secondary Time to platelet and neutrophil engraftment Will be estimated using the method of Gooley et al. Up to 2 years post-HCT
Secondary Incidence of graft failure (primary and secondary) Will be estimated using the method of Gooley et al. Up to 100 days post-HCT
Secondary Incidence of acute graft-versus-host disease Will be estimated using the method of Gooley et al. Up to 100 days post-HCT
Secondary Incidence of chronic graft-versus-host disease Will be estimated using the method of Gooley et al. Up to 1 year post-HCT
Secondary Incidence of chronic graft-versus-host disease Will be estimated using the method of Gooley et al. Up to 2 years post-HCT
Secondary Incidence of grade II or greater organ toxicity Will be reported as counts with percentages. Up to 100 days post-HCT
Secondary Incidence of hepatic sinusoidal obstruction syndrome Will be reported as counts with percentages. Up to 100 days post-HCT
Secondary Incidence of central nervous system toxicities including posterior reversible encephalopathy syndrome Will be reported as counts with percentages. Up to 100 days post-HCT
Secondary Incidence of infectious complications Will be reported as counts with percentages. Up to 100 days post-HCT
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