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Clinical Trial Summary

The ability to distinguish allogeneic hematopoietic cell transplantation (allo-HCT) recipients at risk for cytomegalovirus (CMV) reactivation from those who are not is central for optimal CMV management strategies. Measuring this cell mediated immunity has been proposed as a potent tool to predict those patients at highest risk of CMV reactivation and disease. This study will evaluate the ability of the T-SPOT.CMV test to predict Cytomegalovirus (CMV) reactivation in allogeneic hematopoietic cell transplantation (allo-HCT) pediatric recipients.

Primary Objectives:

To evaluate feasibility of T-SPOT.CMV spot count test in allo-HCT pediatric recipients.

To evaluate association of T-SPOT.CMV spot count in the first sample collected after patient has engrafted with subsequent CMV reactivation in allo-HCT pediatric recipients.

Secondary Objectives:

To evaluate the correlation between T-SPOT.CMV spot count in donors with subsequent recipient CMV spot count.

To explore the relationship between recipient T-SPOT.CMV spot counts and subsequent CMV infection related morbidity and treatment outcomes among pediatric all-HCT recipients.


Clinical Trial Description

T-SPOT response will be measured using the results from the T-SPOT.CMV blood test in both HCT recipients and HCT donors.

A blood sample for the T-SPOT.CMV blood test will be collected from the HCT donor prior to transplant.

Blood specimens will be collected for the T-SPOT.CMV blood test from HCT recipients over the course of 6 months, starting weekly at Day +1, biweekly starting at Day +45, and monthly starting at day +120.

HCT recipient participant demographic and clinical characteristics will be collected at enrollment. Additional clinical information will be abstracted from the HCT recipient participants medical record during the study follow-up period. This will include information related to transplant history and outcome, infections, antimicrobial exposure, chemotherapy, and laboratory values related to infectious diseases and immunosuppression.

The feasibility of the T-SPOT.CMV spot count test will be evaluated once the first 30 participants enrolled on study reach day +90. If 75% of patients have at least 1 evaluable samples after engraftment (> 75,000 per microtiter wells), we will proceed with enrollment. If more >25% of patients have all their samples deemed not evaluable due to insufficient mononuclear cell count (<75,000 per microtiter wells) the study will be stopped and concluded as not feasible. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03570411
Study type Observational
Source St. Jude Children's Research Hospital
Contact
Status Terminated
Phase
Start date July 16, 2018
Completion date April 22, 2019

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