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Completed

NCT Number: NCT02639559

Safety and Efficacy of BL-8040 for the Mobilization of Donor Hematopoietic Stem Cells and Allogeneic Transplantation in Patients With Advanced Hematological Malignancies

Current protocols use G-CSF to mobilize hematopoietic progenitor cells from matched sibling and volunteer unrelated donors. Unfortunately, this process requires four to six days of G-CSF injection and can be associated with side effects, most notably bone pain and rarely splenic rupture. BL-8040 is given as a single SC injection, and collection of cells occurs on the same day as BL-8040 administration. This study will evaluate the safety and efficacy of this novel agent for hematopoietic progenitor cell mobilization and allogeneic transplantation based on the following hypotheses:

* Healthy HLA-matched donors receiving one injection of BL-8040 will mobilize sufficient CD34+ cells (at least 2.0 x 10^6 CD34+ cells/kg recipient weight) following no more than two leukapheresis collections to support a hematopoietic cell transplant. * The hematopoietic cells mobilized by SC BL-8040 will be functional and will result in prompt and durable hematopoietic engraftment following transplantation into HLA-identical siblings with advanced hematological malignancies using various non-myeloablative and myeloablative conditioning regimens and regimens for routine GVHD prophylaxis. * If these hypotheses 1 and 2 are confirmed after an interim safety analysis of the data, then the study will continue and include recruitment of haploidentical donors.

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Key information

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

(DONOR):

  • Age 18 to 70 years of age.
  • ECOG performance status of 0 or 1.
  • PART 1: Donor must be a 5/6 or 6/6 HLA-matched sibling willing to donate PBSC for transplant.
  • PART 2: Donor must be a 5/6 or 6/6 HLA-matched sibling or 3/6 or 4/6 HLA haploidentical donor willing to donate PBSC for transplant. Haploidentical donors will be allowed to participate upon investigator decision and based on the data reached from 5/6 or 6/6 HLA matched transplant done during Part 1 of the study.
  • Adequate organ function defined by:
  • serum creatinine within normal limits or a minimum creatinine clearance (CrCl) value of ≥ 60 ml/min calculated using the Modification of Diet in Renal Disease (MDRD) Study equation
  • AST, ALT and total bilirubin ≤ 2x institutional upper limit of normal.
  • Women of childbearing potential and men must agree to use adequate contraception with two different forms, including one barrier method, during participation in the study and for 2 weeks following dosing with BL-8040. Abstinence is acceptable if this is the established and preferred contraception for the subject.
  • Female subjects must have a negative urine or serum pregnancy test within 10 days prior to taking study medication if of childbearing potential or must be of non-childbearing potential. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required. The serum pregnancy test must be negative for the subject to be eligible. Non-childbearing potential is defined as:

-≥ 45 years of age and has not had menses for > 2 years

  • Amenorrheic for > 2 years without a hysterectomy and oophorectomy and a FSH value in the postmenopausal range upon pretrial (screening) evaluation
  • Post-hysterectomy, oophorectomy, or tubal ligation.
  • Able and willing to comply with the requirements of the protocol.
  • Able to understand and willing to sign an IRB-approved written informed consent document.

Inclusion criteria

(RECIPIENT):

  • Age 18 to 75 years
  • ECOG performance status of 0-2 (inclusive)
  • One of the following diagnoses:
  • Acute myelogenous leukemia (AML) in 1st or subsequent remission
  • Acute lymphoblastic leukemia (ALL) in 1st or subsequent remission
  • Chronic myelogenous leukemia (CML) in chronic or accelerated phase
  • Non-Hodgkin lymphoma (NHL) or Hodgkin's disease (HD) in 2nd or greater complete remission, partial remission
  • Chronic lymphocytic leukemia (CLL)
  • Multiple myeloma (MM)
  • Myelodysplastic syndrome (MDS)
  • Myeloproliferative neoplasm (MPN) excluding primary or secondary myelofibrosis
  • Adequate organ function defined by:
  • a creatinine clearance (CrCl) value of ≥ 60 ml/min by MDRD study equation
  • AST, ALT and a total bilirubin ≤ 2x institutional upper limit of normal.
  • Adequate cardiac function with a left ventricular ejection fraction ≥ 40%.
  • Adequate pulmonary function defined as NO severe or symptomatic restrictive or obstructive lung disease, and formal pulmonary function testing showing an FEV1 ≥50% of predicted and a DLCO ≥ 40% of predicted, corrected for hemoglobin.
  • Female subjects must have a negative urine or serum pregnancy test if of childbearing potential or be of non-childbearing potential. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required. The serum pregnancy test must be negative for the subject to be eligible. Non-childbearing potential is defined as:

*≥ 45 years of age and has not had menses for > 2 years

  • Amenorrheic for > 2 years without a hysterectomy and oophorectomy and a FSH value in the postmenopausal range upon pretrial (screening) evaluation
  • Post-hysterectomy, oophorectomy, or tubal ligation.
  • Able to understand and willing to sign an IRB-approved written informed consent document.

Exclusion criteria

(DONOR):

  • Received any investigational agent within 30 days and/or 5 half-lives (of the other investigational agent), whichever is longer, of receiving BL-8040.
  • Active HIV or hepatitis B or C infection
  • Pregnant or breastfeeding.
  • Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements.
  • Known allergy or hypersensitivity to any of the test compounds, materials, or contraindication to test products.
  • Any malignancies in the 2 years prior to baseline, excluding: basal cell carcinoma, in situ malignancy, low-risk prostate cancer, cervix cancer after curative therapy.
  • A comorbid condition which, in the view of the investigators, renders the subject at high risk from treatment complications.

Exclusion criteria

(RECIPIENT):

  • Recipient must not have received any investigational drug within 30 days of starting conditioning treatment.
  • Pregnant or breastfeeding.
  • Active HIV or hepatitis B or C infection.
  • Any medical condition which, in the opinion of the clinical investigator, would interfere with the evaluation of the patient. Subjects with a clinically significant or unstable medical or surgical condition or any other condition that cannot be well-controlled by the allowed medications permitted in the study protocol that would preclude safe and complete study participation, as determined by medical history, physical examinations, ECG, laboratory tests, or chest-X-ray and according to the investigator's judgment.

Treatment and study plan

BL-8040

Drug

Leukapheresis

Procedure

Hematopoietic Cell Transplant

Procedure

Primary outcomes

  1. Number of Donors That Mobilize ≥ 2 x 10^6 CD34+ Cells/kg of Recipients Weight After a Single Injection of BL-8040 After no More Than Two Leukapheresis Collections (Arm 1 - Donors Only)

    Time frame: Up to Day 2

Secondary outcomes

  1. Safety and Tolerability of BL-8040 in Healthy Donors as Measured by Number and Grade of Adverse Events (Arm 1 Donors Only)

    Time frame: Up to 5 years

    -Adverse events will be graded according to the NCI CTCAE version 4.03

  2. Time to Neutrophil Engraftment Post-transplant in Patients Undergoing Allogeneic Stem Cell Transplant (Arm 2 Recipients Only)

    Time frame: Up to Day 28

    -Time to neutrophil engraftment is measured by determining the first of 3 consecutive measurements of neutrophil count ≥ 500/μL following conditioning regimen induced nadir.

  3. Time to Platelet Engraftment Post-transplant in Patients Undergoing Allogeneic Stem Cell Transplant (Arm 2 Recipients Only)

    Time frame: Through 90 days

    -Time to platelet engraftment is measured by determining the first of 3 consecutive measurements of platelet count ≥ 20,000/μL without platelet transfusion support for 7 days.

  4. Number of Recipients With Primary Graft Failure After Transplantation of Hematopoietic Cells Mobilized With BL-8040 (Arm 2 Recipients Only)

    Time frame: Up to 1 year after transplantation

  5. Incidence of Secondary Graft Failure After Transplantation of Hematopoietic Cells Mobilized With BL-8040 (Arm 2 Recipients Only)

    Time frame: Up to 1 year after transplantation

  6. Cumulative Incidence of Grade 2-4 Acute Graft Versus Host Disease (GvHD) as Measured by Minnesota Acute GVHD Criteria (Arm 2 Recipients Only)

    Time frame: Day 100

    • Acute GVHD rate and worst severity is noted
    • 4 organ categories (skin, liver, lower GI, and upper GI)
    • Skin: Grade I: 1-2 , Grade II: 3, Grade III: N/A, Grade IV: 4
    • Liver: Grade I: 0, Grade II: 1, Grade III: 2-4, Grade IV: N/A
    • Lower GI: Grade I: 0, Grade II: 1: Grade II: 2-3: Grade IV: 4
    • Upper GI: Grade I: 0, Grade II: 1, Grade III: N/A, Grade IV: N/A
    • The cumulative incidence of grade 2-4 acute GVHD was determined using competing risk analysis. Competing risks for acute GVHD were death, relapse, and graft failure.
  7. Cumulative Incidence of Chronic GvHD in Patients Who Have Undergone Transplantation of Hematopoietic Cells Mobilized With BL-8040 (Arm 2 Recipients Only)

    Time frame: From Day 100 through 1 year after transplantation

    • Chronic GVHD rate and severity for the first 365 days after PBSC infusion will be assessed based on the NIH criteria
    • The cumulative incidence of chronic GVHD was determined using competing risk analysis. Competing risks for acute GVHD were death, relapse, and graft failure.
  8. Number of Participants Who Collect 5 x 106 CD34+ Cells/kg of Recipient Weight in a Single Leukapheresis and in 2 Leukapheresis Sessions (Arm 1 Donors Only)

    Time frame: Up to Day 2

  9. Incidence of CMV Reactivation After Transplantation of Hematopoietic Cells Mobilized With BL-8040 in CMV Seropositive Recipients

    Time frame: Up to 1 year after transplantation

    -CMV reactivation will be defined as a positive test for CMV viremia as determined by an antigenemia assay or quantitative PCR that results in the administration of antiviral treatment directed against CMV

  10. Cumulative Incidence of Treatment-related Mortality After Transplantation of Hematopoietic Cells Mobilized With BL-8040 (Arm 2 Recipients Only)

    Time frame: Up to 1 year after transplantation

    -Death that results from a transplant procedure related complication (e.g. infection, organ failure, hemorrhage, GVHD) rather than from relapse of the underlying disease or an unrelated cause

  11. Cumulative Incidence of Disease Relapse/Progression After Transplantation of Hematopoietic Cells Mobilized With BL-8040 (Arm 2 Recipients Only)

    Time frame: At 1 year post-tranplantation

    -Disease relapse occurs in recipients who entered transplant in CR. Progression occurs in recipients with existent disease at transplant who meet criteria for progressive disease post-transplant. A recipient will be considered relapsed when there is a recurrence of the original malignant disease after transplantation. Date of relapse/progression is defined as the date at which the first observation of hematologic, radiographic, or cytogenetic changes which signify progression/relapse is made

  12. Cumulative Incidence of Disease Relapse/Progression After Transplantation of Hematopoietic Cells Mobilized With BL-8040 (Arm 2 Recipients Only)

    Time frame: At 2 years post-tranplantation

    -Disease relapse occurs in recipients who entered transplant in CR. Progression occurs in recipients with existent disease at transplant who meet criteria for progressive disease post-transplant. A recipient will be considered relapsed when there is a recurrence of the original malignant disease after transplantation. Date of relapse/progression is defined as the date at which the first observation of hematologic, radiographic, or cytogenetic changes which signify progression/relapse is made

  13. Kaplan-Meier Estimate of Event Free Survival After Transplantation of Hematopoietic Cells Mobilized With BL-8040 (Arm 2 Recipients Only)

    Time frame: At 2 years post-transplantation

    -An event is defined as either graft failure, disease relapse as evidenced by hematologic, radiographic, or cytogenetic changes, or death. The event free survival is the time from Day 0 to occurrence of the first event.

  14. Kaplan-Meier Estimate of Event Free Survival After Transplantation of Hematopoietic Cells Mobilized With BL-8040 (Arm 2 Recipients Only)

    Time frame: At 3 years post-transplantation

    -An event is defined as either graft failure, disease relapse as evidenced by hematologic, radiographic, or cytogenetic changes, or death. The event free survival is the time from Day 0 to occurrence of the first event.

  15. Kaplan-Meier Estimate of Overall Survival After Transplantation of Hematopoietic Cells Mobilized With BL-8040 (Arm 2 Recipients Only)

    Time frame: At 2 years post-transplantation

    -The time from Day 0 to death

  16. Kaplan-Meier Estimate of Overall Survival After Transplantation of Hematopoietic Cells Mobilized With BL-8040 (Arm 2 Recipients Only)

    Time frame: At 3 years post-transplantation

    -The time from Day 0 to death

  17. Median Peripheral Blood CD34+ Cell Count (Arm 1 Donor Only)

    Time frame: At 3-4 hours after BL-8040

Sponsors and collaborators

Lead sponsor

Washington University School of Medicine

Other

Collaborators

  • BioLineRx, Ltd.

Registry information

Official study title

A Phase II Study Evaluating the Safety and Efficacy of BL-8040 for the Mobilization of Donor Hematopoietic Stem Cells and Allogeneic Transplantation in Patients With Advanced Hematological Malignancies

Important dates

Study start
2016
Primary completion
2018
Study completion
2023
First posted
Dec 24, 2015
Registry last updated
Nov 7, 2023

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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