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Paolino J, Dimitrov B, Winger BA, Sandoval-Perez A, Rangarajan AV, Ocasio-Martinez N, Tsai HK, Li Y, Robichaud AL, Khalid D, Hatton C, Gillani R, Polonen P, Dilig A, Gotti G, Kavanagh J, Adhav AA, Gow S, Tsai J, Li YD, Ebert BL, Van Allen EM, Bledsoe J, Kim AS, Tasian SK, Cooper SL, Cooper TM, Hijiya N, Sulis ML, Shukla NN, Magee JA, Mullighan CG, Burke MJ, Luskin MR, Mar BG, Jacobson MP, Harris MH, Stegmaier K, Place AE, Pikman Y. Integration of Genomic Sequencing Drives Therapeutic Targeting of PDGFRA in T-Cell Acute Lymphoblastic Leukemia/Lymphoblastic Lymphoma. Clin Cancer Res 2023; 29:4613-4626. [PMID: 37725576 PMCID: PMC10872648 DOI: 10.1158/1078-0432.ccr-22-2562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 05/22/2023] [Accepted: 09/12/2023] [Indexed: 09/21/2023]
Abstract
PURPOSE Patients with relapsed or refractory T-cell acute lymphoblastic leukemia (T-ALL) or lymphoblastic lymphoma (T-LBL) have limited therapeutic options. Clinical use of genomic profiling provides an opportunity to identify targetable alterations to inform therapy. EXPERIMENTAL DESIGN We describe a cohort of 14 pediatric patients with relapsed or refractory T-ALL enrolled on the Leukemia Precision-based Therapy (LEAP) Consortium trial (NCT02670525) and a patient with T-LBL, discovering alterations in platelet-derived growth factor receptor-α (PDGFRA) in 3 of these patients. We identified a novel mutation in PDGFRA, p.D842N, and used an integrated structural modeling and molecular biology approach to characterize mutations at D842 to guide therapeutic targeting. We conducted a preclinical study of avapritinib in a mouse patient-derived xenograft (PDX) model of FIP1L1-PDGFRA and PDGFRA p.D842N leukemia. RESULTS Two patients with T-ALL in the LEAP cohort (14%) had targetable genomic alterations affecting PDGFRA, a FIP1-like 1 protein/PDGFRA (FIP1L1-PDGFRA) fusion and a novel mutation in PDGFRA, p.D842N. The D842N mutation resulted in PDGFRA activation and sensitivity to tested PDGFRA inhibitors. In a T-ALL PDX model, avapritinib treatment led to decreased leukemia burden, significantly prolonged survival, and even cured a subset of mice. Avapritinib treatment was well tolerated and yielded clinical benefit in a patient with refractory T-ALL. CONCLUSIONS Refractory T-ALL has not been fully characterized. Alterations in PDGFRA or other targetable kinases may inform therapy for patients with refractory T-ALL who otherwise have limited treatment options. Clinical genomic profiling, in real time, is needed for fully informed therapeutic decision making.
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Affiliation(s)
- Jonathan Paolino
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
- Division of Hematology/Oncology, Boston Children’s Hospital, Boston, MA
| | - Boris Dimitrov
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Beth Apsel Winger
- Department of Pediatrics, Division of Hematology/Oncology, Benioff Children’s Hospital and the Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA
| | - Angelica Sandoval-Perez
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA
| | - Amith Vikram Rangarajan
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA
| | | | | | - Yuting Li
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
| | | | - Delan Khalid
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Charlie Hatton
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Riaz Gillani
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
- Division of Hematology/Oncology, Boston Children’s Hospital, Boston, MA
| | - Petri Polonen
- Department of Pathology, St. Jude Children's Research Hospital, Memphis, TN
| | | | - Giacomo Gotti
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
- Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Julia Kavanagh
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Asmani A. Adhav
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Sean Gow
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Jonathan Tsai
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA
| | - Yen Der Li
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
| | - Benjamin L. Ebert
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
| | | | - Jacob Bledsoe
- Department of Pathology, Boston Children’s Hospital, Boston, MA
| | - Annette S. Kim
- Department of Pathology, Brigham and Women’s Hospital, Boston, MA
| | - Sarah K. Tasian
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, PA, and Department of Pediatrics and Abramson Cancer Center at the Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA
| | - Stacy L. Cooper
- Department of Oncology, Johns Hopkins School of Medicine, Baltimore, MD
| | - Todd M. Cooper
- Seattle Children's Hospital, Cancer and Blood Disorders Center, Seattle, WA
| | - Nobuko Hijiya
- Division of Pediatric Hematology/Oncology/Stem Cell Transplantation, Columbia University Irving Medical Center, New York, NY
| | - Maria Luisa Sulis
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Neerav N. Shukla
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, NY
| | - Jeffrey A. Magee
- Division of Pediatric Hematology/Oncology, Washington University/St. Louis Children's Hospital, St. Louis, MO
| | | | - Michael J. Burke
- Medical College of Wisconsin, Children’s Hospital of Wisconsin, Milwaukee, WI
| | - Marlise R. Luskin
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
| | | | - Matthew P. Jacobson
- Department of Pharmaceutical Chemistry, University of California San Francisco, San Francisco, CA
| | | | - Kimberly Stegmaier
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
- Division of Hematology/Oncology, Boston Children’s Hospital, Boston, MA
- Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, MA
| | - Andrew E. Place
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
- Division of Hematology/Oncology, Boston Children’s Hospital, Boston, MA
| | - Yana Pikman
- Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
- Division of Hematology/Oncology, Boston Children’s Hospital, Boston, MA
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Ogbogu PU, Bochner BS, Butterfield JH, Gleich GJ, Huss-Marp J, Kahn JE, Leiferman KM, Nutman TB, Pfab F, Ring J, Rothenberg ME, Roufosse F, Sajous MH, Sheikh J, Simon D, Simon HU, Stein ML, Wardlaw A, Weller PF, Klion AD. Hypereosinophilic syndrome: a multicenter, retrospective analysis of clinical characteristics and response to therapy. J Allergy Clin Immunol 2009; 124:1319-25.e3. [PMID: 19910029 PMCID: PMC2829669 DOI: 10.1016/j.jaci.2009.09.022] [Citation(s) in RCA: 392] [Impact Index Per Article: 26.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2009] [Revised: 08/26/2009] [Accepted: 09/03/2009] [Indexed: 12/31/2022]
Abstract
BACKGROUND Hypereosinophilic syndrome (HES) is a heterogeneous group of rare disorders defined by persistent blood eosinophilia > or =1.5 x 10(9)/L, absence of a secondary cause, and evidence of eosinophil-associated pathology. With the exception of a recent multicenter trial of mepolizumab (anti-IL-5 mAb), published therapeutic experience has been restricted to case reports and small case series. OBJECTIVE The purpose of the study was to collect and summarize baseline demographic, clinical, and laboratory characteristics in a large, diverse cohort of patients with HES and to review responses to treatment with conventional and novel therapies. METHODS Clinical and laboratory data from 188 patients with HES, seen between January 2001 and December 2006 at 11 institutions in the United States and Europe, were collected retrospectively by chart review. RESULTS Eighteen of 161 patients (11%) tested were Fip1-like 1-platelet-derived growth factor receptor alpha (FIP1L1-PDGFRA) mutation-positive, and 29 of 168 patients tested (17%) had a demonstrable aberrant or clonal T-cell population. Corticosteroid monotherapy induced complete or partial responses at 1 month in 85% (120/141) of patients with most remaining on maintenance doses (median, 10 mg prednisone equivalent daily for 2 months to 20 years). Hydroxyurea and IFN-alpha (used in 64 and 46 patients, respectively) were also effective, but their use was limited by toxicity. Imatinib (used in 68 patients) was more effective in patients with the FIP1L1-PDGFRA mutation (88%) than in those without (23%; P < .001). CONCLUSION This study, the largest clinical analysis of patients with HES to date, not only provides useful information for clinicians but also should stimulate prospective trials to optimize treatment of HES.
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MESH Headings
- Adolescent
- Adrenal Cortex Hormones/administration & dosage
- Adrenal Cortex Hormones/therapeutic use
- Adult
- Aged
- Aged, 80 and over
- Antibodies, Monoclonal/administration & dosage
- Antibodies, Monoclonal/therapeutic use
- Antibodies, Monoclonal, Humanized
- Benzamides
- Chemokine CCL17/blood
- Child
- Cyclosporine/administration & dosage
- Cyclosporine/therapeutic use
- Drug Therapy, Combination
- Eosinophils/drug effects
- Eosinophils/immunology
- Eosinophils/metabolism
- Female
- Humans
- Hydroxyurea/administration & dosage
- Hydroxyurea/therapeutic use
- Hypereosinophilic Syndrome/drug therapy
- Hypereosinophilic Syndrome/immunology
- Hypereosinophilic Syndrome/metabolism
- Imatinib Mesylate
- Interferon-alpha/administration & dosage
- Interferon-alpha/therapeutic use
- Interleukin-5/blood
- Male
- Middle Aged
- Oncogene Proteins, Fusion/immunology
- Oncogene Proteins, Fusion/metabolism
- Piperazines/administration & dosage
- Piperazines/therapeutic use
- Pyrimidines/administration & dosage
- Pyrimidines/therapeutic use
- Receptor, Platelet-Derived Growth Factor alpha/immunology
- Receptor, Platelet-Derived Growth Factor alpha/metabolism
- Retrospective Studies
- Tryptases/blood
- Young Adult
- mRNA Cleavage and Polyadenylation Factors/immunology
- mRNA Cleavage and Polyadenylation Factors/metabolism
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Affiliation(s)
- Princess U Ogbogu
- National Institute of Allergy and Infectious Diseases, Laboratory of Parasitic Diseases, National Institutes of Health, Bethesda, MD 20892, USA.
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