City of Hope Medical Center
Duarte, California, 91010, United States
NCT Number: NCT01588015
This randomized phase I trial studies the side effects of vaccine therapy in preventing cytomegalovirus (CMV) infection in patients with hematological malignancies undergoing donor stem cell transplant. Vaccines made from a tetanus-CMV peptide or antigen may help the body build an effective immune response and prevent or delay the recurrence of CMV infection in patients undergoing donor stem cell transplant for hematological malignancies.
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Notify Me18 year–75 year
All sexes
Interventional
Phase 1
Duarte, California, 91010, United States
PRIMARY OBJECTIVES: I. To discover whether two administrations of 2.5 mg tetanus (Tet)-CMV peptide co-injected with 1 mg of PF-03512676 (tetanus-CMV fusion peptide vaccine), by subcutaneous (SC) route on days 28 and 56 post-hematopoietic cell transplantation (HCT) are safe and well tolerated in human leukocyte antigen (HLA) A*0201 CMV-positive recipients of allogeneic HCT.
SECONDARY OBJECTIVES:
I. To measure levels of CMV-specific T cells in vaccinated compared to unvaccinated HCT recipients (control arm).
II. To assess whether vaccination of HCT recipients with Tet-CMV co-injected with PF03512676 reduces expression of programmed death 1 (PD-1) on CMV-specific T cells.
OUTLINE: Patients are randomized to 1 of 2 treatment arms.
ARM I: Patients receive Tet-CMV + PF03512675 SC on days 28 and 56 post-HCT.
ARM II: Patients undergo immune monitoring only.
After completion of study treatment, patients are followed up at days 70, 84, 100, 130, 160, and 180.
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
Given SC
Correlative studies
Time frame: Up to day 180
GVHD, local and systemic reactogenicity, and toxicity related to the vaccine formulation will be evaluated by the study principal investigator (PI), conferring with the treating physician. AEs will be summarized for each treatment group by type (MedDRA codes within organ systems), grade, and attribution.
Time frame: Up to day 180
Compare levels of CD8+ T cells binding to CMV-specific tetramers in vaccinated and unvaccinated HCT recipients by Wilcoxon rank-sum test, using integrated CMV-specific CD8+ T cells levels over the first 100 days as a numerical outcome. PD-1 expression and levels of apoptosis markers and proliferation of CMV-specific T cells immune-parameters will be compared in both arms using the Kruskall-Wallis rank-sum test.
City of Hope Medical Center
Other
A Phase I Trial to Evaluate Safety and Immunogenicity of a Cytomegalovirus Peptide Vaccine Co-Injected With PF-03512676 Adjuvant in Recipients of Allogeneic Hematopoietic Stem Cell Transplant
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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