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RATIONALE: White blood cells that have been treated in the laboratory may kill cells that are infected with cytomegalovirus.
- To provide access to cytomegalovirus (CMV) pp65- and IE-1-specific cytotoxic T lymphocytes (CTL) in patients with persistent CMV infections after allogeneic stem cell transplantation.
- To characterize CMV pp65- and IE-1-specific immune responses in terms of cytotoxicity and cytokine production pre-infusion and then periodically thereafter.
- To characterize the levels of CMV DNA in recipients of CMV pp65- and IE-1-specific CTL and observe whether the CTL infusion has any impact on level of virus.
- To determine the feasibility of CMV CTL culture from CMV-seronegative donors who have received a CMV vaccine.
OUTLINE: This is a multicenter study.
Patients receive allogeneic cytomegalovirus (CMV) pp65- and IE-1-specific cytotoxic T-cell lymphocytes infusion over 5 minutes on day 1. Patients may receive up to 2 more doses at least 2 weeks after previous dose.
Blood samples are collected and analyzed by quantitative CMV PCR, chromium-release assays for CMV pp65- and IE-1-specific cytotoxicity, and immunophenotype for CD3, CD4, CD8, CD56, CD19, and CD45RA/RO. Intracellular cytofluorometry is used to assess IL-2, IL-4, IL-10, and IFN-γ production by CD4 and CD8 CMV-specific effector cells.
After completion of study therapy, patients are followed periodically for up to 1 year.
Masking: Open Label, Primary Purpose: Supportive Care
cytomegalovirus IE-1-specific cytotoxic T lymphocytes, cytomegalovirus pp65-specific cytotoxic T lymphocytes, therapeutic allogeneic lymphocytes, polymerase chain reaction, flow cytometry, immunological diagnostic method, laboratory biomarker analysis
Penn State Cancer Institute at Milton S. Hershey Medical Center
National Cancer Institute (NCI)
Published on BioPortfolio: 2014-08-27T03:27:03-0400
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