A Dose-Escalation Study Evaluating Safety and Tolerability of Viral-Specific T Cells Against CMV in Adult Solid Organ Transplant Recipients
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- STATUS
- Recruiting
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- End date
- Aug 21, 2023
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- participants needed
- 20
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- sponsor
- University of Wisconsin, Madison
Summary
This study measures the tolerability of viral-specific T cells against Cytomegalovirus (CMV) in adult solid organ transplant (SOT) recipients. Participants are expected to be on study for 52 +/- 3 weeks.
Description
Viral infections, or their reactivation in the immunocompromised host, remain serious complications that adversely affect outcomes of transplantation. These infections may be refractory to pharmacologic treatment and result in increased morbidity and mortality after transplantation. Furthermore, the available pharmacologic therapies can result in severe toxicities.
Once an infection occurs, adequate immune reconstitution is decisive for recovery from viral disease after solid organ transplantation. The present trial will consist of the treatment of solid organ transplant recipients diagnosed with severe CMV infection when standard antiviral therapy is ineffective (disease progression on therapy, decline in viral load less than 10-fold in 2 weeks, known drug resistance), or toxic (end-organ damage), with virus-specific T cells using the CliniMACS® Prodigy System. These are the patients with the greatest unmet need and greatest risk or morbidity and allograft loss due to CMV infection. CMV-specific T cells will be isolated from donor leukapheresis products using the CliniMACS® Prodigy. Prior studies on transfer of CMV-specific T cells have been shown to be safe and efficacious in the treatment of CMV infections.
The primary objective of this Phase I trial is to evaluate the safety and tolerability of CMV-specific T-cell transfer in adult patients suffering from CMV infections following solid organ transplantation using a dose escalation design. The incubation with viral antigens (MACS GMP PepTivator) allows the enrichment of CMV-specific CD4+(Cluster of Differentiation 4) and CD8+(Cluster of Differentiation 8) T cells. Increasing evidence of the safety and efficacy of CMV-specific T-cell is available. Furthermore, the safety and efficacy of the specific manufacturing approach using the fully automated protocol of the ClinMACS® Prodigy for the isolation of CMV-specific T cells against CMV has been described and demonstrated that these cells retain their biological properties.
Details
| Condition | Cytomegalovirus Infections, Solid Organ Transplant |
|---|---|
| Treatment | CMV specific T-cells |
| Clinical Study Identifier | NCT03950414 |
| Sponsor | University of Wisconsin, Madison |
| Last Modified on | 15 February 2022 |
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