Study Stopped
Competing protocol opened in Adult SCT that will include pediatric patients and is now multi-center. No patients enrolled on study.
Pre-transplant Immunosuppression and Donor Stem Cell Transplant for the Treatment of Severe Hemoglobinopathies
Pre-Transplant Immunosuppression and Related Haploidentical Hematopoietic Cell Transplantation for Patients With Severe Hemoglobinopathies
2 other identifiers
interventional
N/A
0 countries
N/A
Brief 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.
Trial Health
Trial Health Score
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Started Dec 2020
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Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
December 29, 2020
CompletedFirst Submitted
Initial submission to the registry
February 8, 2021
CompletedFirst Posted
Study publicly available on registry
March 2, 2021
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 5, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
December 5, 2022
CompletedOctober 24, 2024
November 1, 2022
1.9 years
February 8, 2021
October 22, 2024
Conditions
Outcome Measures
Primary Outcomes (1)
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 Outcomes (14)
Event-free survival
Up to 100 days post-HCT
Event-free survival
Up to 1 year post-HCT
Overall survival
Up to 100 days post-HCT
Overall survival
Up to 1 year post-HCT
Transplant-related mortality
Up to 30 days post-HCT
- +9 more secondary outcomes
Study Arms (1)
Treatment (PTIS, HCT)
EXPERIMENTALSee Detailed Description.
Interventions
Given IV
Given IV
Given IV
Given IV
Given IV
Undergo HCT
Given IV
Undergo plasmapheresis
Given IV
Given IV or PO
Eligibility Criteria
You may qualify if:
- 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
- +4 more criteria
You may not qualify if:
- 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
- +2 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Kris M Mahadeo
M.D. Anderson Cancer Center
Study Design
- Study Type
- interventional
- Phase
- early phase 1
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 8, 2021
First Posted
March 2, 2021
Study Start
December 29, 2020
Primary Completion
December 5, 2022
Study Completion
December 5, 2022
Last Updated
October 24, 2024
Record last verified: 2022-11