A Study to Evaluate a Therapeutic Vaccine, ASP0113, in Cytomegalovirus (CMV)-Seropositive Recipients Undergoing Allogeneic, Hematopoietic Cell Transplant (HCT) (HELIOS)
Cytomegalovirus (CMV)-Positive Recipients, Allogeneic, Hematopoietic Cell Transplant (HCT)
About this trial
This is an interventional prevention trial for Cytomegalovirus (CMV)-Positive Recipients focused on measuring ASP0113, Cytomegalovirus (CMV), Hematopoietic Cell Transplant (HCT)
Eligibility Criteria
Inclusion Criteria:
- Participant is a CMV-seropositive HCT recipient
Participant is planned to undergo either of the following:
- Sibling Donor Transplant
- Unrelated Donor Transplant
Participant has one of the following underlying diseases:
- Acute myeloid leukemia (AML)
- Acute lymphoblastic leukemia (ALL)
- Acute undifferentiated leukemia (AUL)
- Acute biphenotypic leukemia
- Chronic myelogenous leukemia (CML)
- Chronic lymphocytic leukemia (CLL).
- A defined myelodysplastic syndrome(s) (MDS)
- Primary or secondary myelofibrosis
- Lymphoma (including Hodgkin's)
Exclusion Criteria:
- Participant has active CMV disease or infection or has received treatment for active CMV disease or infection within 3 months (90 days) prior to transplant
- Participant has a modified hematopoietic cell transplant comorbidity index (HCT-CI) score ≥ 4
- Participant has received a prior HCT and has residual Chronic Graft-versus-host Disease (cGVHD)
- Participant who is scheduled to have a cord blood transplant or a haploidentical transplant
- Participant has a platelet count of less than 50,000 mm3 within 3 days prior to randomization (platelet transfusions are allowed)
- Participant has aplastic anemia or multiple myeloma
Sites / Locations
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Arms of the Study
Arm 1
Arm 2
Experimental
Placebo Comparator
ASP0113
Placebo
Participants received 1 mL of 5 mg/mL of ASP0113 via intramuscular injection in the deltoid muscle alternating sides with each dose on days -14 to -3 pretransplant, 14 to 40, 60, 90 and 180 in relation to the day of transplant (Day 0).
Participants received 1 mL of 5 mg/mL of matching placebo via intramuscular injection in the deltoid muscle alternating sides with each dose on days -14 to -3 pretransplant, 14 to 40, 60, 90 and 180 in relation to the day of transplant (Day 0).