- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04776850
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
Study Overview
Status
Conditions
Intervention / Treatment
Detailed 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.
Study Type
Phase
- Early Phase 1
Contacts and Locations
Study Locations
-
-
Texas
-
Houston, Texas, United States, 77030
- Recruiting
- M D Anderson Cancer Center
-
Principal Investigator:
- Kris M. Mahadeo
-
Contact:
- Kris M. Mahadeo
- Phone Number: 713-729-2873
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
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 Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Treatment (PTIS, HCT)
See Detailed Description.
|
Given IV
Other Names:
Given IV
Other Names:
Undergo HCT
Other Names:
Given IV
Other Names:
Given IV or PO
Other Names:
Given IV
Other Names:
Given IV
Other Names:
Given IV
Other Names:
Given IV or PO
Other Names:
Given IV
Other Names:
Undergo plasmapheresis
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Event-free survival (EFS)
Time Frame: At 2 years post-hematopoietic cell transplantation (HCT)
|
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 Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Event-free survival
Time Frame: Up to 100 days post-HCT
|
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
|
Event-free survival
Time Frame: Up to 1 year post-HCT
|
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
|
Overall survival
Time Frame: Up to 100 days post-HCT
|
Will be summarized by the Kaplan-Meier method.
|
Up to 100 days post-HCT
|
Overall survival
Time Frame: Up to 1 year post-HCT
|
Will be summarized by the Kaplan-Meier method.
|
Up to 1 year post-HCT
|
Transplant-related mortality
Time Frame: Up to 30 days post-HCT
|
Will be summarized by the Kaplan-Meier method.
|
Up to 30 days post-HCT
|
Time to platelet and neutrophil engraftment
Time Frame: Up to 2 years post-HCT
|
Will be estimated using the method of Gooley et al.
|
Up to 2 years post-HCT
|
Incidence of graft failure (primary and secondary)
Time Frame: Up to 100 days post-HCT
|
Will be estimated using the method of Gooley et al.
|
Up to 100 days post-HCT
|
Incidence of acute graft-versus-host disease
Time Frame: Up to 100 days post-HCT
|
Will be estimated using the method of Gooley et al.
|
Up to 100 days post-HCT
|
Incidence of chronic graft-versus-host disease
Time Frame: Up to 1 year post-HCT
|
Will be estimated using the method of Gooley et al.
|
Up to 1 year post-HCT
|
Incidence of chronic graft-versus-host disease
Time Frame: Up to 2 years post-HCT
|
Will be estimated using the method of Gooley et al.
|
Up to 2 years post-HCT
|
Incidence of grade II or greater organ toxicity
Time Frame: Up to 100 days post-HCT
|
Will be reported as counts with percentages.
|
Up to 100 days post-HCT
|
Incidence of hepatic sinusoidal obstruction syndrome
Time Frame: Up to 100 days post-HCT
|
Will be reported as counts with percentages.
|
Up to 100 days post-HCT
|
Incidence of central nervous system toxicities including posterior reversible encephalopathy syndrome
Time Frame: Up to 100 days post-HCT
|
Will be reported as counts with percentages.
|
Up to 100 days post-HCT
|
Incidence of infectious complications
Time Frame: Up to 100 days post-HCT
|
Will be reported as counts with percentages.
|
Up to 100 days post-HCT
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Kris M Mahadeo, M.D. Anderson Cancer Center
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Hematologic Diseases
- Genetic Diseases, Inborn
- Anemia
- Anemia, Hemolytic, Congenital
- Anemia, Hemolytic
- Anemia, Sickle Cell
- Thalassemia
- beta-Thalassemia
- Hemoglobinopathies
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Autonomic Agents
- Peripheral Nervous System Agents
- Enzyme Inhibitors
- Anti-Inflammatory Agents
- Antirheumatic Agents
- Antimetabolites, Antineoplastic
- Antimetabolites
- Antineoplastic Agents
- Immunosuppressive Agents
- Immunologic Factors
- Antiemetics
- Gastrointestinal Agents
- Glucocorticoids
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Antineoplastic Agents, Hormonal
- Protease Inhibitors
- Antineoplastic Agents, Alkylating
- Alkylating Agents
- Myeloablative Agonists
- Anti-Bacterial Agents
- Antibiotics, Antineoplastic
- Antitubercular Agents
- Antibiotics, Antitubercular
- Calcineurin Inhibitors
- Dexamethasone
- Dexamethasone acetate
- BB 1101
- Cyclophosphamide
- Antibodies
- Immunoglobulins
- Immunoglobulins, Intravenous
- Rituximab
- Bortezomib
- Antibodies, Monoclonal
- Antineoplastic Agents, Immunological
- Fludarabine
- Fludarabine phosphate
- Tacrolimus
- gamma-Globulins
- Rho(D) Immune Globulin
- Mycophenolic Acid
- Busulfan
- Thymoglobulin
- Antilymphocyte Serum
Other Study ID Numbers
- 2020-0952 (Other Identifier: M D Anderson Cancer Center)
- NCI-2021-00365 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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