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Garcia CR, Myint ZW, Jayswal R, Wang C, Morgan RM, Butts AR, Weiss HL, Villano JL. Hematological adverse events in the management of glioblastoma. J Neurooncol 2022; 156:153-161. [PMID: 34820776 PMCID: PMC8829911 DOI: 10.1007/s11060-021-03891-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 10/30/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND Hematological adverse events (HAEs) are common during treatment for glioblastoma (GBM), usually associated with temozolomide (TMZ). Their clinical value is uncertain, as few investigations have focused on outcomes for HAEs during GBM treatment. METHODS We combined data from two randomized clinical trials, RTOG 0525 and RTOG 0825, to analyze HAEs during treatment for GBM. We investigated differences between chemoradiation and adjuvant therapy, and by regimen received during adjuvant treatment. RESULTS 1454 patients participated in these trials, of which 1154 (79.4%) developed HAEs. During chemoradiation, 44.4% of patients developed HAEs (54% involving more than one cell line), and were most commonly lymphopenia (50.6%), and thrombocytopenia (47.5%). During adjuvant treatment, 45% of patients presented HAEs (78.6% involving more than one cell line), and were more commonly leukopenia (62.7%), and thrombocytopenia (62.3%). Median overall survival (OS) and progression free survival (PFS) were longer in patients with HAEs (OS 19.4 months and PFS 9.9 months) compared to those with other or no adverse events (OS 14.1 months and PFS 5.9 months). There was no significant difference in survival between grade 1 and/or 2 versus grade 3 and/or 4 HAEs. History of HAEs during chemoradiation was a protective factor for presentation of HAEs during adjuvant therapy. CONCLUSION HAEs are common during GBM treatment, and often involve more than one cell line (more likely during adjuvant therapy). HAEs may be associated with prolonged OS and PFS, particularly during adjuvant therapy. HAEs during chemoradiation was a protective factor for HAEs during adjuvant therapy.
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Affiliation(s)
| | - Zin W. Myint
- Markey Cancer Center, University of Kentucky, Lexington, KY, USA.,Division of Medical Oncology, University of Kentucky, Lexington, KY, USA
| | - Rani Jayswal
- Markey Cancer Center, University of Kentucky, Lexington, KY, USA.,Division of Medical Oncology, University of Kentucky, Lexington, KY, USA
| | - Chi Wang
- Markey Cancer Center, University of Kentucky, Lexington, KY, USA.,Division of Cancer Biostatistics, Department of Internal Medicine, University of Kentucky, Lexington, KY, USA
| | - Rachael M. Morgan
- Department of Pharmacy Services, University of Kentucky, Lexington, KY, USA
| | - Allison R. Butts
- Department of Pharmacy Services, University of Kentucky, Lexington, KY, USA
| | - Heidi L. Weiss
- Markey Cancer Center, University of Kentucky, Lexington, KY, USA
| | - John L. Villano
- Markey Cancer Center, University of Kentucky, Lexington, KY, USA.,Division of Medical Oncology, University of Kentucky, Lexington, KY, USA.,Department of Neurology, University of Kentucky, Lexington, KY, USA.,Department of Neurosurgery, University of Kentucky, Lexington, KY, USA
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Park AK, Waheed A, Forst DA, Al-Samkari H. Characterization and Prognosis of Temozolomide-Induced Aplastic Anemia in Patients with Central Nervous System Malignancies. Neuro Oncol 2021; 24:964-973. [PMID: 34647594 DOI: 10.1093/neuonc/noab240] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Temozolomide-induced aplastic anemia (TIAA) is a rare but highly challenging complication of temozolomide (TMZ) therapy. Evidence describing prognosis, clinical characteristics, and treatment of this entity is very limited. METHODS We performed a multicenter, 22-year observational cohort study of patients with central nervous system (CNS) malignancies treated with temozolomide who developed TIAA, retrospectively analyzing prognosis, complications, and recovery. TIAA was defined using adapted evidence-based severe aplastic anemia criteria incorporating profound cytopenias and a minimum duration (4 weeks) without hematologic recovery. RESULTS Of 3,821 patients with CNS malignancies receiving TMZ, 34 patients (0.89%) met criteria for TIAA. Onset was rapid, with 29 patients (85.3%) developing TIAA before completing a second TMZ cycle. 23 patients (67.6%) ultimately achieved a hematologic recovery. Patients without recovery were more likely to develop febrile neutropenia (72.7% vs. 30.4%, P=0.03), infectious complications (45.5% vs. 8.7%, P=0.02), require hospitalization (81.8% vs. 43.5%, P=0.04), and die (100.0% vs. 60.9%, P=0.02). Median overall survival from TIAA diagnosis was 752 days in patients achieving a partial hematologic recovery versus 28 days in those who did not (P<0.0001). 29 patients (85.3%) received one or more hematopoietic growth factors; hematologic recovery rates were higher in patients receiving thrombopoietin receptor agonists (81.8% vs. 60.9%) but were not higher in patients receiving granulocyte colony stimulating factors. CONCLUSIONS TIAA occurs in <1% of patients receiving TMZ for CNS malignancies, but is highly morbid when it occurs and frequently fatal in the one-third of patients not achieving hematologic recovery. Thrombopoietin receptor agonists may improve the likelihood of a hematologic recovery.
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Affiliation(s)
- Albert K Park
- Department of Medicine, Massachusetts General Hospital, Boston, MA.,Harvard Medical School, Boston, MA
| | - Anem Waheed
- Harvard Medical School, Boston, MA.,Division of Hematology Oncology, Massachusetts General Hospital, Boston, MA
| | - Deborah A Forst
- Harvard Medical School, Boston, MA.,Division of Neuro-Oncology, Massachusetts General Hospital, Boston, MA
| | - Hanny Al-Samkari
- Harvard Medical School, Boston, MA.,Division of Hematology Oncology, Massachusetts General Hospital, Boston, MA
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Gilbar PJ, Pokharel K, Mangos HM. Temozolomide-induced aplastic anaemia: Case report and review of the literature. J Oncol Pharm Pract 2020; 27:1275-1280. [PMID: 33086908 DOI: 10.1177/1078155220967087] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Temozolomide (TMZ) is an oral alkylating agent principally indicated for neurological malignancies including glioblastoma (GBM) and astrocytoma. Most common side effects are mild to moderate, and include fatigue, nausea, vomiting, thrombocytopenia and neutropenia. Severe or prolonged myelosuppression, causing delayed treatment or discontinuation, is uncommon. Major haematological adverse effects such as myelodysplastic syndrome or aplastic anaemia (AA) have rarely been reported. CASE REPORT We report a 68-year old female with GBM treated at a tertiary hospital with short-course radiotherapy and concurrent temozolomide following craniotomy. On treatment completion she was transferred to our hospital for rehabilitation. She was thrombocytopenic on admission. Platelets continued falling with significant pancytopenia developing over the next two weeks. Blood parameters and a markedly hypocellular bone marrow confirmed the diagnosis of very severe AA, probably due to TMZ. MANAGEMENT AND OUTCOME Treatment consisted of repeated platelet transfusions, intravenous antibiotics, antiviral and antifungal prophylaxis, and G-CSF 300 mcg daily. Platelet and neutrophil counts had returned to normal at 38 days following the completion of TMZ treatment. DISCUSSION Whilst most cases of AA are idiopathic, a careful drug, occupational exposure and family history should be obtained, as acquired AA may result from viruses, chemical exposure, radiation and medications. Temozolomide-induced AA is well documented, though only 12 cases have been described in detail. Other potential causes were eliminated in our patient. Physicians should be aware of this rare and potentially fatal toxicity when prescribing. Frequent blood tests should be performed, during and following TMZ treatment, to enable early detection.
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Affiliation(s)
- Peter J Gilbar
- Cancer Care Services, Toowoomba Hospital, Toowoomba, Australia.,Rural Clinical School, Faculty of Medicine, The University of Queensland, Toowoomba, Australia
| | - Khageshwor Pokharel
- Cancer Care Services, Toowoomba Hospital, Toowoomba, Australia.,Rural Clinical School, Faculty of Medicine, The University of Queensland, Toowoomba, Australia
| | - Hilda M Mangos
- Cancer Care Services, Toowoomba Hospital, Toowoomba, Australia
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