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Rischall A, Olson A. SOHO State of the Art Updates and Next Questions | CTLs for Infections Following Stem Cell Transplantation. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2024; 24:340-347. [PMID: 38267354 DOI: 10.1016/j.clml.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 01/26/2024]
Abstract
Allogeneic hematopoietic stem cell transplantation (AHSCT) is an important modality in the treatment of acute leukemia and other hematologic disorders. The post-transplant period is associated with prolonged periods of impaired immune function. Delayed T-cell immune reconstitution is correlated with increased risk of viral, bacterial, and fungal infections. This risk increases with high intensity inductions regimens often required for alternative donor sources. Current therapies for prophylaxis and treatment of these infections are limited by poor efficacy and significant toxicity. Adoptive cell therapy with cytotoxic T lymphocytes (CTL) has proven to be both efficacious and safe in the management of post-transplant viral infections. Recent advances have led to faster production of CTLs and broadened applications for their use. In particular, the generation of third party CTLs has helped ameliorate the problems related to donor availability and product generation time. In this review we aim to describe both the history of CTL use and current advances in the field.
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Affiliation(s)
- Ariel Rischall
- Department of Medical Oncology, The University of Texas Medical Branch, Galveston, TX
| | - Amanda Olson
- Department of Stem Cell Transplantation and Cellular Therapy, The University of Texas MD Anderson Cancer Center, Houston, TX.
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2
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Chorão P, Henriques M, Villalba M, Montoro J, Balaguer-Roselló A, González EM, Gómez MD, Gómez I, Solves P, Santiago M, Asensi P, Lamas B, Bataller A, Granados P, Eiris J, Martínez D, Louro A, Rebollar P, Perla A, Salavert M, de la Rubia J, Sanz MÁ, Sanz J. Cytomegalovirus Reactivations in Allogeneic Hematopoietic Stem Cell Transplantation from HLA-Matched and Haploidentical Donors with Post-Transplantation Cyclophosphamide. Transplant Cell Ther 2024; 30:538.e1-538.e10. [PMID: 38331195 DOI: 10.1016/j.jtct.2024.01.082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/26/2024] [Accepted: 01/30/2024] [Indexed: 02/10/2024]
Abstract
Cytomegalovirus (CMV) reactivations cause significant morbidity in allogeneic hematopoietic stem cell transplantation (HSCT) recipients. Graft-versus-host disease (GVHD) prophylaxis with post-transplantation cyclophosphamide (PTCy) is associated with an increased risk of CMV infections. Data are limited comparing HSCT with PTCy performed from matched sibling donors (MSDs), matched unrelated donors (MUDs), and haploidentical (Haplo) donors. In the present study, we aimed to characterize CMV reactivation and recurrence in patients with hematologic malignancies undergoing HSCT from MSD, MUD, and Haplo donors using PTCy as GVHD prophylaxis in the pre-letermovir era. We also analyzed risk factors of CMV reactivation, including GVHD as a time-dependent variable, on the incidence and mortality associated with CMV infections. We analyzed CMV reactivation in patients undergoing HSCT from 160 MSDs, 124 MUDs, and 82 Haplo donors from a single institution. Uniform GVHD prophylaxis with PTCy, sirolimus, and mycophenolate mofetil was given irrespective of donor type. Overall, 46% of patients had at least 1 CMV reactivation. The 1-year cumulative incidence of CMV infection was 39% for MSD, 44% for MUD, and 62% for Haplo donors (P < .001), with 96% of reactivations occurring before day +100. Multivariate analysis identified factors associated with the first CMV reactivation, including Haplo donor, positive recipient CMV serology, older patient age, and grade II-IV acute GVHD. The 1-year cumulative incidence of second reactivation from HSCT was 13%. Recipient CMV seropositivity, older patient age, and grade II-IV acute GVHD, but not type of donor, were identified as adverse factors for second CMV reactivation in multivariate analysis. The 1-year cumulative incidence of a third reactivation post HSCT was 4.4%. Ten cases of CMV disease were recorded, with no attributable deaths. Nevertheless, the risk for nonrelapse mortality was greater for patients who experienced CMV reactivation in multivariate time-dependent Cox model analysis. CMV reactivation is frequent in HSCT with PTCy in patients not receiving letermovir prophylaxis. Identified risk factors include the use of a Haplo donor, recipient CMV seropositivity, and grade II-IV acute GVHD. The prevalence of recurrent CMV reactivations is a noteworthy issue, especially after acute GVHD, warranting trials of secondary prophylaxis strategies.
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Affiliation(s)
- Pedro Chorão
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain; Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain.
| | - Marta Henriques
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain
| | - Marta Villalba
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain; Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain
| | - Juan Montoro
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain; Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain; School of Medicine and Dentistry, Catholic University of Valencia, València, Spain
| | - Aitana Balaguer-Roselló
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain; Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto Carlos III, Madrid, Spain
| | - Eva María González
- Microbiology Department, Hospital Universitari i Politècnic La Fe, València, Spain
| | - María Dolores Gómez
- Microbiology Department, Hospital Universitari i Politècnic La Fe, València, Spain
| | - Inés Gómez
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain; Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain
| | - Pilar Solves
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain; Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto Carlos III, Madrid, Spain
| | - Marta Santiago
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain; Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto Carlos III, Madrid, Spain
| | - Pedro Asensi
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain
| | - Brais Lamas
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain
| | - Ana Bataller
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain
| | - Pablo Granados
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain
| | - Juan Eiris
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain
| | - David Martínez
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain
| | - Alberto Louro
- Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain
| | - Paula Rebollar
- Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain
| | - Aurora Perla
- Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain
| | - Miguel Salavert
- Infectious Diseases, Internal Medicine Department, Hospital Universitari i Politècnic La Fe, València, Spain
| | - Javier de la Rubia
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain; Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain; School of Medicine and Dentistry, Catholic University of Valencia, València, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto Carlos III, Madrid, Spain
| | - Miguel Ángel Sanz
- Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain; School of Medicine, University of Valencia, València, Spain
| | - Jaime Sanz
- Hematology Department, Hospital Universitari i Politècnic La Fe, València, Spain; Hematology Research Group, Institut d'Investigació Sanitària La Fe, València, Spain; Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto Carlos III, Madrid, Spain; School of Medicine, University of Valencia, València, Spain
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Green A, Rubinstein JD, Grimley M, Pfeiffer T. Virus-Specific T Cells for the Treatment of Systemic Infections Following Allogeneic Hematopoietic Cell and Solid Organ Transplantation. J Pediatric Infect Dis Soc 2024; 13:S49-S57. [PMID: 38417086 DOI: 10.1093/jpids/piad077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 09/25/2023] [Indexed: 03/01/2024]
Abstract
Viral infections are a major source of morbidity and mortality in the context of immune deficiency and immunosuppression following allogeneic hematopoietic cell (allo-HCT) and solid organ transplantation (SOT). The pharmacological treatment of viral infections is challenging and often complicated by limited efficacy, the development of resistance, and intolerable side effects. A promising strategy to rapidly restore antiviral immunity is the adoptive transfer of virus-specific T cells (VST). This therapy involves the isolation and ex vivo expansion or direct selection of antigen-specific T cells from healthy seropositive donors, followed by infusion into the patient. This article provides a practical guide to VST therapy by reviewing manufacturing techniques, donor selection, and treatment indications. The safety and efficacy data of VSTs gathered in clinical trials over nearly 30 years is summarized. Current challenges and limitations are discussed, as well as opportunities for further research and development.
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Affiliation(s)
- Abby Green
- Department of Pediatrics, Division of Hematology/Oncology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Pediatrics, Division of Infectious Diseases, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Jeremy D Rubinstein
- Division of Oncology, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Michael Grimley
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
- Division of Bone Marrow Transplantation and Immune Deficiency, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
| | - Thomas Pfeiffer
- Department of Pediatrics, Division of Hematology/Oncology, Washington University School of Medicine, St. Louis, Missouri, USA
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Schreiber B, Tripathi S, Nikiforow S, Chandraker A. Adoptive Immune Effector Cell Therapies in Cancer and Solid Organ Transplantation: A Review. Semin Nephrol 2024; 44:151498. [PMID: 38555223 DOI: 10.1016/j.semnephrol.2024.151498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/02/2024]
Abstract
Cancer is one of the most devastating complications of kidney transplantation and constitutes one of the leading causes of morbidity and mortality among solid organ transplantation (SOT) recipients. Immunosuppression, although effective in preventing allograft rejection, inherently inhibits immune surveillance against oncogenic viral infections and malignancy. Adoptive cell therapy, particularly immune effector cell therapy, has long been a modality of interest in both cancer and transplantation, though has only recently stepped into the spotlight with the development of virus-specific T-cell therapy and chimeric antigen receptor T-cell therapy. Although these modalities are best described in hematopoietic cell transplantation and hematologic malignancies, their potential application in the SOT setting may hold tremendous promise for those with limited therapeutic options. In this review, we provide a brief overview of the development of adoptive cell therapies with a focus on virus-specific T-cell therapy and chimeric antigen receptor T-cell therapy. We also describe the current experience of these therapies in the SOT setting as well as the challenges in their application and future directions in their development.
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Affiliation(s)
- Brittany Schreiber
- Division of Renal Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Sudipta Tripathi
- Division of Renal Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Sarah Nikiforow
- Division of Medical Oncology, Department of Medicine, Dana-Farber Cancer Institute, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Anil Chandraker
- Division of Renal Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA; Division of Renal Medicine, Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA.
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Cesaro S. Adenovirus infection in allogeneic hematopoietic cell transplantation. Transpl Infect Dis 2023; 25 Suppl 1:e14173. [PMID: 37846850 DOI: 10.1111/tid.14173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/30/2023] [Accepted: 10/03/2023] [Indexed: 10/18/2023]
Abstract
Adenovirus (AdV) infection occurs in 0-20% of patients in the first 3-4 months after allogeneic hematopoietic cell transplantation (HCT), being higher in pediatric than in adult patients. About 50% of AdV infections involve the blood, which in turn, correlates with an increased risk developing AdV diseases, end-organ damage, and 6-month overall mortality. The main risk factors for AdV infection are T-cell depletion of the graft by ex vivo selection procedures or in vivo use of alemtuzumab or antithymocyte serum, development of graft versus host disease (GVHD) grade III-IV, donor type (haploidentical or human leucocyte antigen mismatched related donor > cord blood> unrelated matched donor) and severe lymphopenia (<0.2 × 109 /L). The prevention of AdV disease relies on early diagnosis of increasing viral replication in blood or stool and the pre-emptive start of cidofovir as viral load exceeds the threshold of ≥102-3 copies/mL in blood and/or 106 copies/g stool in the stool. Cidofovir (CDV), a cytosine monophosphate nucleotide analog, is currently the only antiviral recommended for AdV infection despite limited efficacy and moderate risk of nephrotoxicity. Brincidofovir, a lipid derivative of CDV with more favorable pharmacokinetics properties and superior efficacy, is not available and currently is being investigated for other viral infections. The enhancement of virus-specific T-cell immunity in the first few months post-HCT by the administration of donor-derived or third-party-donor-derived virus-specific T-cells represents an innovative and promising modality of intervention and data of efficacy and safety of the ongoing prospective randomized studies are eagerly awaited.
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Affiliation(s)
- Simone Cesaro
- Pediatric Hematology Oncology, Department of Mother and Child, Azienda Ospedaliera Universitaria Integrata Verona, Verona, Italy
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Dadi G, Jacoby E, Adam E, Hutt D, Varda-Bloom N, Bielorai B, Toren A. αβ + /CD19 + -depleted haploidentical stem cell transplantation for children with acute leukemia: Is there a protective effect of increased γδ + T-cell content in the graft? Pediatr Transplant 2023:e14531. [PMID: 37127942 DOI: 10.1111/petr.14531] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 02/20/2023] [Accepted: 04/07/2023] [Indexed: 05/03/2023]
Abstract
BACKGROUND Haploidentical hematopoietic stem cell transplantation (HSCT) with depletion of αβ+ T cells and CD19+ B cells has emerged as a viable alternative to traditional donors for treating acute leukemia in children. As the use of this innovative approach continues to grow and more experience is gained, it is essential to identify and comprehend the key factors that contribute to successful transplantation and improved outcomes. METHODS We conducted a retrospective analysis of single-center data from 27 children with acute lymphoblastic leukemia and 11 children with acute myeloid leukemia who underwent haploidentical HSCT with depletion of αβ+ T cells and CD19+ B cells between the years 2013 and 2020. RESULTS Engraftment was successful in 35 out of 38 patients (92%), who were all children conditioned using either a total body irradiation-based regimen or a treosulfan, fludarabine, and thiotepa regimen engrafted successfully. The 5-year overall survival and event-free survival rates were 51% and 42%, respectively. There were no cases of grade III-IV acute graft-versus-host disease, and only two patients developed chronic graft-versus-host disease. Patients with a higher content of γδ+ T cells in the graft demonstrated a longer event-free survival. CONCLUSIONS αβ+ /CD19+ -depleted haploidentical hematopoietic stem cell transplantation can offer long-term remission for children with acute leukemia with minimal graft-versus-host disease.
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Affiliation(s)
- Gal Dadi
- Division of Pediatric Hematology and Oncology, Sheba Medical Center, The Edmond and Lily Safra Children's Hospital, Ramat Gan, Israel
| | - Elad Jacoby
- Division of Pediatric Hematology and Oncology, Sheba Medical Center, The Edmond and Lily Safra Children's Hospital, Ramat Gan, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Etai Adam
- Division of Pediatric Hematology and Oncology, Sheba Medical Center, The Edmond and Lily Safra Children's Hospital, Ramat Gan, Israel
| | - Daphna Hutt
- Division of Pediatric Hematology and Oncology, Sheba Medical Center, The Edmond and Lily Safra Children's Hospital, Ramat Gan, Israel
| | | | - Bella Bielorai
- Division of Pediatric Hematology and Oncology, Sheba Medical Center, The Edmond and Lily Safra Children's Hospital, Ramat Gan, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Amos Toren
- Division of Pediatric Hematology and Oncology, Sheba Medical Center, The Edmond and Lily Safra Children's Hospital, Ramat Gan, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Galletta TJ, Lane A, Lutzko C, Leemhuis T, Cancelas JA, Khoury R, Wang YM, Hanley PJ, Keller MD, Bollard CM, Davies SM, Grimley MS, Rubinstein JD. Third-Party and Patient-Specific Donor-Derived Virus-Specific T Cells Demonstrate Similar Efficacy and Safety for Management of Viral Infections after Hematopoietic Stem Cell Transplantation in Children and Young Adults. Transplant Cell Ther 2023; 29:305-310. [PMID: 36736781 DOI: 10.1016/j.jtct.2023.01.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 01/24/2023] [Accepted: 01/25/2023] [Indexed: 02/05/2023]
Abstract
Infections with double-stranded DNA viruses are a common complication after hematopoietic stem cell transplantation (HSCT) and cause significant morbidity and mortality in the post-transplantation period. Both donor-derived (DD) and third-party (TP) virus-specific T cells (VSTs) have shown efficacy and safety in viral management following HSCT in children and young adults. Owing to a greater degree of HLA matching between the recipient and stem cell donor, DD VSTs potentially persist longer in circulation compared to TP VSTs, because they are collected from a well-matched donor. However, TP VSTs are more easily accessible, particularly for smaller transplantation centers that do not have VST manufacturing capabilities, and more economical than creating a customized product for each transplant recipient. We conducted the present study to compare clinical efficacy and safety outcomes for DD VSTs and TP VSTs in a large cohort of pediatric and young adult HSCT recipients and to determine whether DD VSTs are associated with improved outcomes owing to potentially longer persistence in the recipient's circulation. This retrospective cohort study included 145 patients who received VSTs at Cincinnati Children's Hospital Medical Center (CCHMC) between 2017 and 2021 for the treatment of adenovirus, BK virus, cytomegalovirus, and/or Epstein-Barr virus. Viruses were detected using quantitative polymerase chain reaction. Patients received VSTs on a DD (NCT02048332) or TP (NCT02532452) protocol, and VST products for both protocols were manufactured in an identical fashion. The primary study outcome was clinical response to VSTs, evaluated 4 weeks after VST administration, defined as decrease in viral load to under the inclusion thresholds, or resolution of symptoms of invasive viral infection, without the need for additional conventional antiviral medication following VST administration. Secondary outcomes included graft-versus-host-disease, transplant-associated thrombotic microangiopathy, renal function, hospital length of stay, and overall survival at 30 days and 100 days after VST administration and 1 year after HSCT. Statistical analysis was performed using the Fisher exact test or chi-square test. An unpaired t test was used to compare continuous variables. The study group comprised 77 patients in the DD cohort and 68 patients in the TP cohort. Eighteen patients in the TP cohort underwent HSCT at CCHMC, and the other 50 underwent HSCT at other institutions and presented to CCHMC solely for VST administration. There was no statistically significant difference in clinical response rates between DD and TP cohorts (65.6% versus 62.7%; odds ratio [OR], 1.162; 95% confidence interval [CI], .619 to 2.164; P = .747). There were no significant differences in secondary outcomes between the 2 cohorts. The percentage of patients requiring multiple infusions for a clinical response did not differ significantly between the DD and TP cohorts (38.2% versus 32.5%; OR, .780; 95% CI, .345 to 1.805; P = .666). We found no significant difference in clinical response rate between DD VSTs and TP VSTs and a similar safety profile. Our data suggest that TP VSTs may be sufficient to control viral infection until immune reconstitution occurs despite the potential for more rapid VST clearance compared to DD VSTs. The lack of significant differences between DD VSTs and TP VSTs is an important finding, indicating that it is not necessary for every transplant center to manufacture customized DD VSTs, and that TP VSTs are a satisfactory substitute.
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Affiliation(s)
- Thomas J Galletta
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.
| | - Adam Lane
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Carolyn Lutzko
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Divison of Experimental Hematology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Hoxworth Blood Center, University of Cincinnati, Cincinnati, Ohio
| | - Thomas Leemhuis
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Hoxworth Blood Center, University of Cincinnati, Cincinnati, Ohio
| | - Jose A Cancelas
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Divison of Experimental Hematology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Hoxworth Blood Center, University of Cincinnati, Cincinnati, Ohio
| | - Ruby Khoury
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - YunZu M Wang
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Patrick J Hanley
- Center for Cancer and Immunology Research, Children's National Hospital and Department of Pediatrics, The George Washington University, Washington, DC
| | - Michael D Keller
- Center for Cancer and Immunology Research, Children's National Hospital and Department of Pediatrics, The George Washington University, Washington, DC
| | - Catherine M Bollard
- Center for Cancer and Immunology Research, Children's National Hospital and Department of Pediatrics, The George Washington University, Washington, DC
| | - Stella M Davies
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Michael S Grimley
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Division of Bone Marrow Transplantation and Immune Deficiency, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Jeremy D Rubinstein
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
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Pathogen-specific T Cells: Targeting Old Enemies and New Invaders in Transplantation and Beyond. Hemasphere 2023; 7:e809. [PMID: 36698615 PMCID: PMC9831191 DOI: 10.1097/hs9.0000000000000809] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Accepted: 11/07/2022] [Indexed: 01/27/2023] Open
Abstract
Adoptive immunotherapy with virus-specific cytotoxic T cells (VSTs) has evolved over the last three decades as a strategy to rapidly restore virus-specific immunity to prevent or treat viral diseases after solid organ or allogeneic hematopoietic cell-transplantation (allo-HCT). Since the early proof-of-principle studies demonstrating that seropositive donor-derived T cells, specific for the commonest pathogens post transplantation, namely cytomegalovirus or Epstein-Barr virus (EBV) and generated by time- and labor-intensive protocols, could effectively control viral infections, major breakthroughs have then streamlined the manufacturing process of pathogen-specific T cells (pSTs), broadened the breadth of target recognition to even include novel emerging pathogens and enabled off-the-shelf administration or pathogen-naive donor pST production. We herein review the journey of evolution of adoptive immunotherapy with nonengineered, natural pSTs against infections and virus-associated malignancies in the transplant setting and briefly touch upon recent achievements using pSTs outside this context.
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Agarwal N, Rotz S, Hanna R. Medical emergencies in pediatric blood & marrow transplant and cellular therapies. Front Pediatr 2023; 11:1075644. [PMID: 36824648 PMCID: PMC9941678 DOI: 10.3389/fped.2023.1075644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 01/16/2023] [Indexed: 02/10/2023] Open
Abstract
Hematopoietic stem cell transplant (HCT) is used for many pediatric malignant and non-malignant diseases. However, these patients are at a high risk for emergencies post-transplant, related to prior comorbidities and treatments for the underlying disease, high dose chemotherapy regimen related toxicities, prolonged myelosuppression, and opportunistic infections due to their immunocompromised state. Emergencies can be during preparative regimen and hematopoietic progenitor cell (HPC) infusion, acute post-transplant (pre-engraftment) and late during post engraftment. Infectious complications are the most common cause of morbidity and mortality in the peri-transplant period. Sinusoidal obstructive syndrome is another life-threatening emergency seen in children undergoing HCT, especially in infants. Timely recognition and administration of defibrotide with/without steroids is key to the management of this complication. Another complication seen is transplant associated thrombotic microangiopathy. It can cause multiorgan failure if left untreated and demands urgent identification and management with complement blockade agents such as eculizumab. Cytokine release syndrome and cytokine storm is an important life-threatening complication seen after cellular therapy, and needs emergent intervention with ICU supportive care and tocilizumab. Other complications in acute period include but are not limited to: seizures from busulfan or other chemotherapy agents, PRES (posterior reversible encephalopathy syndrome), diffuse alveolar hemorrhage, idiopathic pulmonary syndrome and allergic reaction to infusion of stem cells. Acute graft versus host disease (GvHD) is a major toxicity of allogeneic HCT, especially with reduced intensity conditioning, that can affect the skin, liver, upper and lower gastrointestinal tract. There has been major development in new biomarkers for early identification and grading of GvHD, which enables application of treatment modalities such as post-transplant cyclophosphamide and JAK/STAT inhibitors to prevent and treat GvHD. Myelosuppression secondary to the chemotherapy increases risk for engraftment syndrome as well as coagulopathies, thus increasing the risk for clotting and bleeding in the pediatric population. The purpose of this article is to review recent literature in these complications seen with pediatric hematopoietic cell transplant (HCT) and cellular therapies and provide a comprehensive summary of the major emergencies seen with HCT.
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Affiliation(s)
- Nikki Agarwal
- Department of Pediatric Hematology, Oncology and Bone Marrow and Blood Transplant, Cleveland Clinic, Cleveland, OH, United States
| | - Seth Rotz
- Department of Pediatric Hematology, Oncology and Bone Marrow and Blood Transplant, Cleveland Clinic, Cleveland, OH, United States
| | - Rabi Hanna
- Department of Pediatric Hematology, Oncology and Bone Marrow and Blood Transplant, Cleveland Clinic, Cleveland, OH, United States
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Ouellette CP. Adoptive Immunotherapy for Prophylaxis and Treatment of Cytomegalovirus Infection. Viruses 2022; 14:v14112370. [PMID: 36366468 PMCID: PMC9694397 DOI: 10.3390/v14112370] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/22/2022] [Accepted: 10/25/2022] [Indexed: 01/31/2023] Open
Abstract
Cytomegalovirus (CMV), a member of the Herpesviridae family, is frequent among hematopoietic cell transplant (HCT) and solid organ transplant (SOT) recipients in absence of antiviral prophylaxis, and is a major cause of morbidity and mortality in these vulnerable populations. Antivirals such ganciclovir, valganciclovir, and foscarnet are the backbone therapies, however drug toxicity and antiviral resistance may render these agents suboptimal in treatment. Newer therapies such as letermovir and maribavir have offered additional approaches for antiviral prophylaxis as well as treatment of drug resistant CMV infection, though may be limited by cost, drug intolerance, or toxicity. Adoptive immunotherapy, the transfer of viral specific T-cells (VSTs), offers a new approach in treatment of drug-resistant or refractory viral infections, with early clinical trials showing promise with respect to efficacy and safety. In this review, we will discuss some of the encouraging results and challenges of widespread adoption of VSTs in care of immunocompromised patients, with an emphasis on the clinical outcomes for treatment and prophylaxis of CMV infection among high-risk patient populations.
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Affiliation(s)
- Christopher P Ouellette
- Division of Pediatric Infectious Diseases and Host Defense Program, Nationwide Children's Hospital, Columbus, OH 43205, USA
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Adenovirus Infection in Pediatric Hematopoietic Cell Transplantation: A Challenge Still Open for Survival. J Clin Med 2022; 11:jcm11164827. [PMID: 36013066 PMCID: PMC9410345 DOI: 10.3390/jcm11164827] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 08/13/2022] [Accepted: 08/16/2022] [Indexed: 11/16/2022] Open
Abstract
Human Adenovirus (HAdV) infection occurs in 14−16% of patients in the early months after pediatric hematopoietic cell transplantation (HCT) and this correlates with a higher risk of developing HAdV disease and overall 6-month mortality. The main risk factors for HAdV infection are T-cell depletion of the graft by ex vivo CD34+ selection or in vivo use of alemtuzumab or anti-thymocyte serum, the development of grade III-IV graft versus host disease (GVHD), the type of donor (unrelated donor, cord blood, haploidentical, or HLA mismatched parent), and severe lymphopenia (<0.2 × 109/L). The prevention of HAdV disease is based on early intervention with antivirals in the asymptomatic patient when the permitted viral load threshold in the blood (≥102−3 copies/mL) and/or in the stool (109 copies/g stool) is exceeded. Cidofovir, a monophosphate nucleotide analog of cytosine, is the primary drug for preemptive therapy, used at 5 mg/kg/week for 2 weeks followed by 3−5 mg/kg every 2 weeks. The alternative schedule is 1 mg/kg every other day (three times/week). Enhancing virus-specific T-cell immunity in the first months post-HCT by donor-derived or third-party-derived virus-specific T cells represents an innovative and promising way of intervention, applicable both in prevention and therapeutic settings.
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