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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT04762875
Other study ID # 145-ADS-202
Secondary ID
Status Terminated
Phase Phase 2
First received
Last updated
Start date June 16, 2021
Est. completion date March 14, 2022

Study information

Verified date January 2024
Source Ensoma
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This research study tests a new medicine for mobilizing stem cells so they can be collected and used for allogeneic stem cell transplant for treatment of hematological malignancies. MGTA-145, the new medicine, will be given with plerixafor.


Description:

This is a Phase II, open-label, multicenter, prospective study of MGTA-145 + plerixafor mobilized HLA-matched sibling and matched unrelated donor allografts for myeloablative hematopoietic stem cell transplantation (HSCT) in recipients with hematological malignancies. Donors will undergo 1 or 2 days of mobilization and apheresis.


Recruitment information / eligibility

Status Terminated
Enrollment 7
Est. completion date March 14, 2022
Est. primary completion date September 14, 2021
Accepts healthy volunteers No
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: Donor Inclusion Criteria: - Donor medical suitability and eligibility will be determined following Institution or NMDP/Be The Match standards - Age 18-65 years old at the time of signing informed consent - 8/8 (HLA- A, B, C, and DRB1) HLA-matched sibling or volunteer unrelated donor - Fulfill Institution or NMDP/Be The Match criteria to serve as a mobilized blood cell donor - Serum creatinine < 1.5 x institution upper limit of normal (ULN) or estimated creatinine clearance (CRCL) > 50 mL/min using the Modification of Diet in Renal Disease Study (MDRD) equation or similar method Recipient Inclusion Criteria: - At least 18 years old at the time of signing informed consent - Has an available 8/8 (HLA- A, B, C, and DRB1) HLA-matched sibling or volunteer unrelated donor willing to donate peripheral blood stem cells (PBSC) for transplant - Fulfill additional individual Transplant Center Criteria for transplant beyond NMDP/Be The Match criteria - One of the following diagnoses: - Acute myelogenous leukemia (AML) in 1st remission or beyond with = 5% marrow blasts and no circulating blasts. Documentation of bone marrow assessment will be accepted within 45 days prior to the date of consent. - Acute lymphoblastic leukemia (ALL) in 1st remission or beyond with = 5% marrow blasts and no circulating blasts. Documentation of bone marrow assessment will be accepted within 45 days prior to the date of consent. - Patients with myelodysplasia (MDS) with no circulating blasts and with less than 10% blasts in the bone marrow (higher blast percentage allowed in MDS due to lack of differences in outcomes with < 5% or 5-10% blasts in MDS). Documentation of bone marrow assessment will be accepted within 45 days prior to the date of consent. - Cardiac function: Left ventricular ejection fraction at least 45% based on most recent echocardiogram or MUGA results obtained via standard of care - Estimated creatinine clearance acceptable per local institutional guidelines - Pulmonary function: diffusing capacity of the lungs for carbon monoxide (DLCO) corrected for hemoglobin at least 50% and forced expiratory volume in first second (FEV1) predicted at least 50% based on most recent DLCO results obtained via standard of care - Liver function acceptable per local institutional guidelines - Karnofsky performance status (KPS) of 70% or greater - Hematopoietic Cell Transplantation-Comorbidity Index (HCT-CI) score of 4 or less Exclusion Criteria: Donor Exclusion Criteria: - Donor unwilling or unable to give informed consent, or unable to comply with the protocol including required follow-up and testing - Donor already enrolled on another investigational agent study - Pregnant or breastfeeding females, sexually active female and male donors not willing or able to use adequate contraception, or males who do not agree to refrain from donating sperm, from the time of consent through 3 months after treatment with MGTA-145 + plerixafor Recipient Exclusion Criteria: - Subject unwilling or unable to give informed consent, or unable to comply with the protocol including required follow-up and testing - Subject whose donor does not meet the eligibility criteria and is a screen fail - Subjects with a prior allogeneic transplant - Subjects with active, uncontrolled infection at the time of the transplant preparative regimen - Pregnant or breastfeeding females, sexually active female or male subjects not willing or able to use adequate contraception, or males who do not agree to refrain from donating sperm, from the time of consent through 3 months after PBSC infusion - Subjects with clinical evidence of active Central Nervous System (CNS) tumor involvement as evidenced by documented disease on examination of spinal fluid or MRI within 45 days of start of conditioning - A condition, which, in the opinion of the clinical investigator, would interfere with the evaluation of primary and secondary endpoints - Planned treatment with a new investigational agent from the time of transplant through 30 days post-transplant

Study Design


Related Conditions & MeSH terms


Intervention

Biological:
MGTA-145
MGTA-145 will be be administered as an IV infusion
Plerixafor
240 µg/kg subcutaneously

Locations

Country Name City State
United States Emory University Hospital Atlanta Georgia
United States Roswell Park Cancer Institute Buffalo New York
United States Ohio State Medical Center, James Cancer Center Columbus Ohio
United States City of Hope National Medical Center Duarte California
United States M.D. Anderson Cancer Center Houston Texas
United States Mayo Clinic Rochester Rochester Minnesota
United States Be The Match Collection Center Seattle Seattle Washington
United States Stanford Health Care Stanford California

Sponsors (2)

Lead Sponsor Collaborator
Ensoma National Marrow Donor Program

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary HSC Yield in apheresis product To assess the efficacy of MGTA-145 in combination with plerixafor in mobilizing adequate number of hematopoietic stem cells (= 2.0 x 10^6 CD34+ cells/kg) in healthy donors in one apheresis setting. Up to 2 days
Secondary HSC Yield in apheresis product To determine the proportion of donors whose cells can be successfully mobilized and collected with a target CD34+ cell dose of at least 4.0 x 10^6 CD34+ cells/kg actual recipient weight in one apheresis collection Up to 2 days
Secondary Adverse events experienced by donors To ascertain the incidence of adverse events (AEs) before and during apheresis experienced by donors receiving MGTA-145 + plerixafor Baseline though day 180
Secondary Infusion related toxicities To ascertain the severity of adverse events (AEs) before and during apheresis experienced by donors receiving MGTA-145 + plerixafor Baseline though 72 hours post donation
Secondary Neutrophil and platelet engraftment To determine the incidence of and kinetics of neutrophil and platelet recovery after transplantation of hematopoietic cells mobilized with MGTA-145 + plerixafor Day 28, 56, 100, 180, 365
Secondary Graft Durability The proportion of participants with primary and secondary graft failure after transplantation of hematopoietic cells mobilized with MGTA-145 + plerixafor Day 28, 56, 100, 180, 365
Secondary Graft-versus host disease (GVHD) To determine the incidence and severity of acute and chronic graft versus host disease (GVHD) after transplantation of hematopoietic cells mobilized with MGTA-145 + plerixafor Day 21, 28, 56, 100, 180, and 365
Secondary Treatment-related mortality To determine the proportion of treatment-related mortality and disease relapse/progression after transplantation of hematopoietic cells mobilized with MGTA-145 + plerixafor Day 21, 28, 56, 100, 180, and 365
Secondary Progression-free survival To determine the probability of progression-free survival after transplantation of hematopoietic cells mobilized with MGTA-145 + plerixafor Day 21, 28, 56, 100, 180, and 365
Secondary Overall survival To determine the probability of overall survival after transplantation of hematopoietic cells mobilized with MGTA-145 + plerixafor Day 21, 28, 56, 100, 180, and 365
Secondary Adverse Events related to Allograft To characterize the adverse effects experienced by recipients receiving grafts mobilized by MGTA-145 + plerixafor Day 0 through 365
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