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Ramalingam S, Siamakpour-Reihani S, Bohannan L, Ren Y, Sibley A, Sheng J, Ma L, Nixon AB, Lyu J, Parker DC, Bain J, Muehlbauer M, Ilkayeva O, Kraus VB, Huebner JL, Spitzer T, Brown J, Peled JU, van den Brink M, Gomes A, Choi T, Gasparetto C, Horwitz M, Long G, Lopez R, Rizzieri D, Sarantopoulos S, Chao N, Sung AD. A phase 2 trial of the somatostatin analog pasireotide to prevent GI toxicity and acute GVHD in allogeneic hematopoietic stem cell transplant. PLoS One 2021; 16:e0252995. [PMID: 34170918 PMCID: PMC8232534 DOI: 10.1371/journal.pone.0252995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 05/21/2021] [Indexed: 11/18/2022] Open
Abstract
Background Allogeneic hematopoietic stem cell transplantation (HCT) is an often curative intent treatment, however it is associated with significant gastrointestinal (GI) toxicity and treatment related mortality. Graft-versus-host disease is a significant contributor to transplant-related mortality. We performed a phase 2 trial of the somatostatin analog pasireotide to prevent gastrointestinal toxicity and GVHD after myeloablative allogeneic HCT. Methods Patients received 0.9mg pasireotide every 12 hours from the day prior to conditioning through day +4 after HCT (or a maximum of 14 days). The primary outcomes were grade 3–4 gastrointestinal toxicity through day 30 and acute GVHD. Secondary outcomes were chronic GVHD, overall survival and relapse free survival at one year. Stool and blood samples were collected from before and after HCT for analyses of stool microbiome, local inflammatory markers, and systemic inflammatory and metabolic markers. Results were compared with matched controls. Results Twenty-six patients received pasireotide and were compared to 52 matched contemporaneous controls using a 1–2 match. Grade 3–4 GI toxicity occurred in 21 (81%) patients who received pasireotide and 35 (67%) controls (p = 0.33). Acute GVHD occurred in 15 (58%) patients in the pasireotide group and 28 (54%) controls (p = 0.94). Chronic GVHD occurred in 16 patients in the pasireotide group (64%) versus 22 patients in the control group (42%) (p = 0.12). Overall survival at 1 year in the pasireotide group was 63% (95% CI: 47%,86%) versus 82% (95% CI: 72%, 93%) in controls (log-rank p = 0.006). Relapse-free survival rate at one year was 40% (95% CI: 25%, 65%) in the pasireotide group versus 78% (95% CI: 68%, 91%) in controls (log-rank p = 0.002). After controlling for the effect of relevant covariates, patients in the pasireotide group had attenuated post-HCT loss of microbial diversity. Analysis of systemic inflammatory markers and metabolomics demonstrated feasibility of such analyses in patients undergoing allogeneic HCT. Baseline level and pre-to-post transplant changes in several inflammatory markers (including MIP1a, MIP1b, TNFa, IL8Pro, and IL6) correlated with likelihood of survival. Conclusions Pasireotide did not prevent gastrointestinal toxicity or acute GVHD compared to contemporaneous controls. Pasireotide was associated with numerically higher chronic GVHD and significantly decreased OS and RFS compared to contemporaneous controls. Pasireotide may provide a locally protective effect in the stool microbiome and in local inflammation as measured by stool calprotectin, stool beta-defensin, and stool diversity index.
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Affiliation(s)
- Sendhilnathan Ramalingam
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC, United States of America
- Duke Cancer Institute, Durham, NC, United States of America
| | - Sharareh Siamakpour-Reihani
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC, United States of America
| | - Lauren Bohannan
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC, United States of America
| | - Yi Ren
- Duke Cancer Institute, Durham, NC, United States of America
| | | | - Jeff Sheng
- Duke Cancer Institute, Durham, NC, United States of America
| | - Li Ma
- Department of Statistical Science, Duke University, Durham, NC, United States of America
| | - Andrew B. Nixon
- Department of Medicine, Duke University, Durham, NC, United States of America
| | - Jing Lyu
- Duke Cancer Institute, Durham, NC, United States of America
| | - Daniel C. Parker
- Division of Geriatrics, Duke University School of Medicine, Durham, NC, United States of America
| | - James Bain
- Duke Molecular Physiology Institute and Department of Medicine, Duke University School of Medicine, Duke University, Durham, NC, United States of America
| | - Michael Muehlbauer
- Duke Molecular Physiology Institute and Department of Medicine, Duke University School of Medicine, Duke University, Durham, NC, United States of America
| | - Olga Ilkayeva
- Duke Molecular Physiology Institute and Department of Medicine, Duke University School of Medicine, Duke University, Durham, NC, United States of America
| | - Virginia Byers Kraus
- Duke Molecular Physiology Institute and Department of Medicine, Duke University School of Medicine, Duke University, Durham, NC, United States of America
| | - Janet L. Huebner
- Duke Molecular Physiology Institute and Department of Medicine, Duke University School of Medicine, Duke University, Durham, NC, United States of America
| | - Thomas Spitzer
- Massachusetts General Hospital, Boston, MA, United States of America
- Department of Medicine, Massachusetts General Hospital, Boston, MA, United States of America
| | - Jami Brown
- Massachusetts General Hospital, Boston, MA, United States of America
| | - Jonathan U. Peled
- Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York, NY, United States of America
| | - Marcel van den Brink
- Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York, NY, United States of America
| | - Antonio Gomes
- Adult Bone Marrow Transplantation Service, Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York, NY, United States of America
| | - Taewoong Choi
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC, United States of America
- Duke Cancer Institute, Durham, NC, United States of America
| | - Cristina Gasparetto
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC, United States of America
- Duke Cancer Institute, Durham, NC, United States of America
| | - Mitchell Horwitz
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC, United States of America
- Duke Cancer Institute, Durham, NC, United States of America
| | - Gwynn Long
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC, United States of America
- Duke Cancer Institute, Durham, NC, United States of America
| | - Richard Lopez
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC, United States of America
- Duke Cancer Institute, Durham, NC, United States of America
| | - David Rizzieri
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC, United States of America
- Duke Cancer Institute, Durham, NC, United States of America
| | - Stefanie Sarantopoulos
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC, United States of America
- Duke Cancer Institute, Durham, NC, United States of America
| | - Nelson Chao
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC, United States of America
- Duke Cancer Institute, Durham, NC, United States of America
| | - Anthony D. Sung
- Division of Hematologic Malignancies and Cellular Therapy, Duke University School of Medicine, Durham, NC, United States of America
- Duke Cancer Institute, Durham, NC, United States of America
- * E-mail:
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