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Item Age is no barrier for adults undergoing HCT for AML in CR1: contemporary CIBMTR analysis(Springer Nature, 2022) Maakaron, Joseph E.; Zhang, Mei-Jie; Chen, Karen; Abhyankar, Sunil; Bhatt, Vijaya Raj; Chhabra, Saurabh; El Jurdi, Najla; Farag, Sherif S.; He, Fiona; Juckett, Mark; de Lima, Marcos; Majhail, Navneet; van der Poel, Marjolein; Saad, Ayman; Savani, Bipin; Ustun, Celalettin; Waller, Edmund K.; Litzow, Mark; Kebriaei, Partow; Hourigan, Christopher S.; Saber, Wael; Weisdorf, Daniel; Medicine, School of MedicineAcute Myeloid Leukemia (AML) has a median age at diagnosis of 67 years. The most common curative therapy remains an allogeneic hematopoietic stem cell transplantation (HCT), yet it is complicated by treatment-related mortality (TRM) and ongoing morbidity including graft versus host disease (GVHD) that may impact survival, particularly in older patients. We examined the outcomes and predictors of success in 1321 patients aged 60 years and older receiving a HCT for AML in first complete remission (CR1) from 2007-2017 and reported to the CIBMTR. Outcomes were compared in three age cohorts (60-64; 65-69; 70+). With median follow-up of nearly 3 years, patients aged 60-64 had modestly, though significantly better OS, DFS and lower TRM than those either 65-69 or 70+; cohorts with similar outcomes. Three-year OS for the 3 cohorts was 49.4%, 42.3%, and 44.7% respectively (p = 0.026). TRM was higher with increasing age, cord blood as graft source and HCT-CI score of ≥3. Conditioning intensity was not a significant predictor of OS in the 60-69 cohort with 3-year OS of 46% for RIC and 49% for MAC (p = 0.38); MAC was rarely used over age 70. There was no difference in the relapse rate, incidence of Grade III/IV acute GVHD, or moderate-severe chronic GVHD across the age cohorts. After adjusting for other predictors, age had a small effect on OS and TRM. High-risk features including poor cytogenetics and measurable residual disease (MRD) prior to HCT were each significantly associated with relapse and accounted for most of the adverse impact on OS and DFS. Age did not influence the incidence of either acute or chronic GVHD; while graft type and associated GVHD prophylaxis were most important. These data suggest that age alone is not a barrier to successful HCT for AML in CR1 and should not exclude patients from HCT. Efforts should focus on minimizing residual disease and better donor selection.Item Antigen-specific T cell responses correlate with decreased occurrence of acute GVHD in a multicenter contemporary cohort(Springer Nature, 2022) Cruz, Conrad Russell Y.; Bo, Na; Bakoyannis, Giorgos; Wright, Kaylor E.; Chorvinsky, Elizabeth A.; Powell, Allison; Bollard, Catherine M.; Jacobsohn, David; Cooke, Kenneth R.; Duncan, Christine; Krance, Robert M.; Carpenter, Paul A.; Rowan, Courtney M.; Paczesny, Sophie; Biostatistics and Health Data Science, School of MedicineItem Dipeptidyl Peptidase 4 Inhibition for Prophylaxis of Acute Graft-versus-Host Disease(Massachusetts Medical Society, 2021-01-07) Farag, Sherif S.; Zaid, Mohammad Abu; Schwartz, Jennifer E.; Thakrar, Teresa C.; Blakley, Ann J.; Abonour, Rafat; Robertson, Michael J.; Broxmeyer, Hal E.; Zhang, Shuhong; Medicine, School of MedicineBackground: Dipeptidyl peptidase 4 (DPP-4; also known as CD26), a transmembrane receptor expressed on T cells, has a costimulatory function in activating T cells. In a mouse model, down-regulation of CD26 prevented graft-versus-host disease (GVHD) but preserved graft-versus-tumor effects. Whether inhibition of DPP-4 with sitagliptin may prevent acute GVHD after allogeneic stem-cell transplantation is not known. Methods: We conducted a two-stage, phase 2 clinical trial to test whether sitagliptin plus tacrolimus and sirolimus would reduce the incidence of grade II to IV acute GVHD from 30% to no more than 15% by day 100. Patients received myeloablative conditioning followed by mobilized peripheral-blood stem-cell transplants. Sitagliptin was given orally at a dose of 600 mg every 12 hours starting the day before transplantation until day 14 after transplantation. Results: A total of 36 patients who could be evaluated, with a median age of 46 years (range, 20 to 59), received transplants from matched related or unrelated donors. Acute GVHD occurred in 2 of 36 patients by day 100; the incidence of grade II to IV GVHD was 5% (95% confidence interval [CI], 1 to 16), and the incidence of grade III or IV GVHD was 3% (95% CI, 0 to 12). Nonrelapse mortality was zero at 1 year. The 1-year cumulative incidences of relapse and chronic GVHD were 26% (95% CI, 13 to 41) and 37% (95% CI, 22 to 53), respectively. GVHD-free, relapse-free survival was 46% (95% CI, 29 to 62) at 1 year. Toxic effects were similar to those seen in patients undergoing allogeneic stem-cell transplantation. Conclusions: In this nonrandomized trial, sitagliptin in combination with tacrolimus and sirolimus resulted in a low incidence of grade II to IV acute GVHD by day 100 after myeloablative allogeneic hematopoietic stem-cell transplantation.Item ICOSL+ plasmacytoid dendritic cells as inducer of graft-versus-host disease, responsive to a dual ICOS/CD28 antagonist(American Association for the Advancement of Science, 2020-10-07) Adom, Djamilatou; Dillon, Stacey R.; Yang, Jinfeng; Liu, Hao; Ramadan, Abdulraouf; Kushekhar, Kushi; Hund, Samantha; Albright, Amanda; Kirksey, Maykala; Adeniyan, Titilayo; Lewis, Katherine E.; Evans, Lawrence; Wu, Rebecca; Levin, Steven D.; Mudri, Sherri; Yang, Jing; Rickel, Erika; Seaberg, Michelle; Henderson, Katherine; Gudgeon, Chelsea J.; Wolfson, Martin F.; Swanson, Ryan M.; Swiderek, Kristine M.; Peng, Stanford L.; Hippen, Keli L.; Blazar, Bruce R.; Paczesny, Sophie; Pediatrics, School of MedicineAcute graft-versus-host disease (aGVHD) remains a major complication of allogeneic hematopoietic cell transplantation (HCT). CD146 and CCR5 are proteins that mark activated T helper 17 (Th17) cells. The Th17 cell phenotype is promoted by the interaction of the receptor ICOS on T cells with ICOS ligand (ICOSL) on dendritic cells (DCs). We performed multiparametric flow cytometry in a cohort of 156 HCT recipients and conducted experiments with aGVHD murine models to understand the role of ICOSL+ DCs. We observed an increased frequency of ICOSL+ plasmacytoid DCs, correlating with CD146+CCR5+ T cell frequencies, in the 64 HCT recipients with gastrointestinal aGVHD. In murine models, donor bone marrow cells from ICOSL-deficient mice compared to those from wild-type mice reduced aGVHD-related mortality. Reduced aGVHD resulted from lower intestinal infiltration of pDCs and pathogenic Th17 cells. We transplanted activated human ICOSL+ pDCs along with human peripheral blood mononuclear cells into immunocompromised mice and observed infiltration of intestinal CD146+CCR5+ T cells. We found that prophylactic administration of a dual human ICOS/CD28 antagonist (ALPN-101) prevented aGVHD in this model better than did the clinically approved belatacept (CTLA-4-Fc), which binds CD80 (B7-1) and CD86 (B7-2) and interferes with the CD28 T cell costimulatory pathway. When started at onset of aGVHD signs, ALPN-101 treatment alleviated symptoms of ongoing aGVHD and improved survival while preserving antitumoral cytotoxicity. Our data identified ICOSL+-pDCs as an aGVHD biomarker and suggest that coinhibition of the ICOSL/ICOS and B7/CD28 axes with one biologic drug may represent a therapeutic opportunity to prevent or treat aGVHD.Item Improved Reproducibility and Quality of GVHD Biomarker Assay- Application of Multiplex Microfluidic Channel System(Springer Nature, 2016) Anandi, Prathima; Tian, Xin; Chinian, Fariba; Cantilena, Caroline R.; Dunavin, Neil; Hensel, Nancy; Draper, Debbie; Koklanaris, Eleftheria; Maxwell, Sandra; Superata, Jeanine; Muranski, Pawel; Battiwalla, Minoo; Paczesny, Sophie; Barrett, A. John; Ito, Sawa; Pediatrics, School of MedicineItem Murine chronic graft-versus-host disease proteome profiling discovers CCL15 as a novel biomarker in patients(American Society of Hematology, 2018-04-12) Du, Jing; Flynn, Ryan; Paz, Katelyn; Ren, Hong-Gang; Ogata, Yuko; Zhang, Qing; Gafken, Philip R.; Storer, Barry E.; Roy, Nathan H.; Burkhardt, Janis K.; Mathews, Wendy; Tolar, Jakub; Lee, Stephanie J.; Blazar, Bruce R.; Paczesny, Sophie; Pediatrics, School of MedicineImproved diagnostic and treatment methods are needed for chronic graft-versus-host disease (cGVHD), the leading cause of late nonrelapse mortality (NRM) in long-term survivors of allogenic hematopoietic cell transplantation. Validated biomarkers that facilitate disease diagnosis and classification generally are lacking in cGVHD. Here, we conducted whole serum proteomics analysis of a well-established murine multiorgan system cGVHD model. We discovered 4 upregulated proteins during cGVHD that are targetable by genetic ablation or blocking antibodies, including the RAS and JUN kinase activator, CRKL, and CXCL7, CCL8, and CCL9 chemokines. Donor T cells lacking CRK/CRKL prevented the generation of cGVHD, germinal center reactions, and macrophage infiltration seen with wild-type T cells. Whereas antibody blockade of CCL8 or CXCL7 was ineffective in treating cGVHD, CCL9 blockade reversed cGVHD clinical manifestations, histopathological changes, and immunopathological hallmarks. Mechanistically, elevated CCL9 expression was present predominantly in vascular smooth muscle cells and uniquely seen in cGVHD mice. Plasma concentrations of CCL15, the human homolog of mouse CCL9, were elevated in a previously published cohort of 211 cGVHD patients compared with controls and associated with NRM. In a cohort of 792 patients, CCL15 measured at day +100 could not predict cGVHD occurring within the next 3 months with clinically relevant sensitivity/specificity. Our findings demonstrate for the first time the utility of preclinical proteomics screening to identify potential new targets for cGVHD and specifically CCL15 as a diagnosis marker for cGVHD. These data warrant prospective biomarker validation studies.Item Outcomes of Pediatric Patients with Therapy-Related Myeloid Neoplasms(Springer Nature, 2021) Sharma, Akshay; Huang, Sujuan; Li, Ying; Brooke, Russell J.; Ahmed, Ibrahim; Allewelt, Heather B.; Amrolia, Persis; Bertaina, Alice; Bhatt, Neel S.; Bierings, Marc B.; Bies, Joshua; Brisset, Claire; Brondon, Jennifer E.; Dahlberg, Ann; Dalle, Jean-Hugues; Eissa, Hesham; Fahd, Mony; Gassas, Adam; Gloude, Nicholas J.; Goebel, W. Scott; Goeckerman, Erika S.; Harris, Katherine; Ho, Richard; Hudspeth, Michelle P.; Huo, Jeffrey S.; Jacobsohn, David; Kasow, Kimberly A.; Katsanis, Emmanuel; Kaviany, Saara; Keating, Amy K.; Kernan, Nancy A.; Ktena, Yiouli P.; Lauhan, Colette R.; López-Hernandez, Gerardo; Martin, Paul L.; Myers, Kasiani C.; Naik, Swati; Olaya-Vargas, Alberto; Onishi, Toshihiro; Radhi, Mohamed; Ramachandran, Shanti; Ramos, Kristie; Rangarajan, Hemalatha G.; Roehrs, Philip A.; Sampson, Megan E.; Shaw, Peter J.; Skiles, Jodi L.; Somers, Katherine; Symons, Heather J.; de Tersant, Marie; Uber, Allison N.; Versluys, Birgitta; Cheng, Cheng; Triplett, Brandon M.; Pediatrics, School of MedicineLong-term outcomes after allogeneic hematopoietic cell transplantation (HCT) for therapy-related myeloid neoplasms (tMNs) are dismal. There are few multicenter studies defining prognostic factors in pediatric patients with tMNs. We have accumulated the largest cohort of pediatric patients who have undergone HCT for a tMN to perform a multivariate analysis defining factors predictive of long-term survival. Sixty-eight percent of the 401 patients underwent HCT using a myeloablative conditioning (MAC) regimen, but there were no statistically significant differences in the overall survival (OS), event-free survival (EFS), or cumulative incidence of relapse and non-relapse mortality based on the conditioning intensity. Among the recipients of MAC regimens, 38.4% of deaths were from treatment-related causes, especially acute graft versus host disease (GVHD) and end-organ failure, as compared to only 20.9% of deaths in the reduced-intensity conditioning (RIC) cohort. Exposure to total body irradiation (TBI) during conditioning and experiencing grade III/IV acute GVHD was associated with worse OS. In addition, a diagnosis of therapy-related myelodysplastic syndrome and having a structurally complex karyotype at tMN diagnosis were associated with worse EFS. Reduced-toxicity (but not reduced-intensity) regimens might help to decrease relapse while limiting mortality associated with TBI-based HCT conditioning in pediatric patients with tMNs.Item Prognostic biomarkers for acute graft-versus-host disease risk after cyclophosphamide-fludarabine nonmyeloablative allotransplantation(Elsevier, 2014-11) Nelson, Robert P.; Khawaja, Muhammad Rizwan; Perkins, Susan M.; Elmore, Lindsey; Mumaw, Christen L.; Orschell, Christie M.; Paczesny, Sophie; Department of Pediatrics, IU School of MedicineFive candidate plasma biomarkers (suppression of tumorogenesis 2 [ST2], regenerating islet-derived-3α [REG3α], elafin, tumor necrosis factor receptor 1 [TNFR1], and soluble IL-2 receptor-alpha [sIL2Rα]) were measured at specific time points after cyclophosphamide/fludarabine-based nonmyeloablative allotransplantation (NMAT) in patients who did or did not develop acute graft-versus-host disease (aGVHD). Plasma samples from 34 patients were analyzed at days +7, +14, +21, and +30. At a median follow-up of 358 days, 17 patients had experienced aGVHD with a median time to onset at day +36. Risk of aGVHD was associated with elevated plasma ST2 concentrations at day +7 (c-statistic = .72, P = .03), day +14 (c-statistic = .74, P = .02), and day +21 (c-statistic = .75, P = .02); elevated plasma REG3α concentrations at day +14 (c-statistic = .73, P = .03), day +21 (c-statistic = .76, P = .01), and day +30 (c-statistic = .73, P = .03); and elevated elafin at day +14 (c-statistic = .71, P = .04). Plasma concentrations of TNFR1 and sIL2Rα were not associated with aGVHD risk at any of the time points studied. This study identified ST2, REG3α, and elafin as prognostic biomarkers to evaluate risk of aGVHD after cyclophosphamide/fludarabine-based NMAT. These results need to be confirmed in an independent validation cohort.Item Risk Factors for Graft-versus-Host Disease in Haploidentical Hematopoietic Cell Transplantation Using Post-Transplant Cyclophosphamide(Elsevier, 2020-08) Im, Annie; Rashidi, Armin; Wang, Tao; Hemmer, Michael; MacMillan, Margaret L.; Pidala, Joseph; Jagasia, Madan; Pavletic, Steven; Majhail, Navneet S.; Weisdorf, Daniel; Abdel-Azim, Hisham; Agrawal, Vaibhav; Al-Homsi, A. Samer; Aljurf, Mahmoud; Askar, Medhat; Auletta, Jeffery J.; Bashey, Asad; Beitinjaneh, Amer; Bhatt, Vijaya Raj; Byrne, Michael; Cahn, Jean-Yves; Cairo, Mitchell; Castillo, Paul; Cerny, Jan; Chhabra, Saurabh; Choe, Hannah; Ciurea, Stefan; Daly, Andrew; Perez, Miguel Angel Diaz; Farhadfar, Nosha; Gadalla, Shahinaz M.; Gale, Robert; Ganguly, Siddhartha; Gergis, Usama; Hanna, Rabi; Hematti, Peiman; Herzig, Roger; Hildebrandt, Gerhard C.; Lad, Deepesh P.; Lee, Catherine; Lehmann, Leslie; Lekakis, Lazaros; Kamble, Rammurti T.; Kharfan-Dabaja, Mohamed A.; Khandelwal, Pooja; Martino, Rodrigo; Murthy, Hemant S.; Nishihori, Taiga; O'Brien, Tracey A.; Olsson, Richard F.; Patel, Sagar S.; Perales, Miguel-Angel; Prestidge, Tim; Qayed, Muna; Romee, Rizwan; Schoemans, Hélène; Seo, Sachiko; Sharma, Akshay; Solh, Melhem; Strair, Roger; Teshima, Takanori; Urbano-Ispizua, Alvaro; Van der Poel, Marjolein; Vij, Ravi; Wagner, John L.; William, Basem; Wirk, Baldeep; Yared, Jean A.; Spellman, Steve R.; Arora, Mukta; Hamilton, Betty K.; Medicine, School of MedicinePost-transplant cyclophosphamide (PTCy) has significantly increased the successful use of haploidentical donors with a relatively low incidence of graft-versus-host disease (GVHD). Given its increasing use, we sought to determine risk factors for GVHD after haploidentical hematopoietic cell transplantation (haplo-HCT) using PTCy. Data from the Center for International Blood and Marrow Transplant Research on adult patients with acute myeloid leukemia, acute lymphoblastic leukemia, myelodysplastic syndrome, or chronic myeloid leukemia who underwent PTCy-based haplo-HCT (2013 to 2016) were analyzed and categorized into 4 groups based on myeloablative (MA) or reduced-intensity conditioning (RIC) and bone marrow (BM) or peripheral blood (PB) graft source. In total, 646 patients were identified (MA-BM = 79, MA-PB = 183, RIC-BM = 192, RIC-PB = 192). The incidence of grade 2 to 4 acute GVHD at 6 months was highest in MA-PB (44%), followed by RIC-PB (36%), MA-BM (36%), and RIC-BM (30%) (P = .002). The incidence of chronic GVHD at 1 year was 40%, 34%, 24%, and 20%, respectively (P < .001). In multivariable analysis, there was no impact of stem cell source or conditioning regimen on grade 2 to 4 acute GVHD; however, older donor age (30 to 49 versus <29 years) was significantly associated with higher rates of grade 2 to 4 acute GVHD (hazard ratio [HR], 1.53; 95% confidence interval [CI], 1.11 to 2.12; P = .01). In contrast, PB compared to BM as a stem cell source was a significant risk factor for the development of chronic GVHD (HR, 1.70; 95% CI, 1.11 to 2.62; P = .01) in the RIC setting. There were no differences in relapse or overall survival between groups. Donor age and graft source are risk factors for acute and chronic GVHD, respectively, after PTCy-based haplo-HCT. Our results indicate that in RIC haplo-HCT, the risk of chronic GVHD is higher with PB stem cells, without any difference in relapse or overall survival.