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Mahuron KM, Limbach KE, Hernandez MC, Ituarte PHG, Li D, Kessler J, Singh G. Liver Resection for Gastroenteropancreatic Neuroendocrine Tumors with Extrahepatic Disease. J Clin Med 2024; 13:4983. [PMID: 39274193 DOI: 10.3390/jcm13174983] [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: 05/24/2024] [Revised: 08/14/2024] [Accepted: 08/21/2024] [Indexed: 09/16/2024] Open
Abstract
Background: Although survival outcomes for neuroendocrine liver metastases (NETLM) are improved with liver-direct therapies (LDT), including hepatic debulking and nonsurgical trans-arterial embolization, the benefit is less established in the setting of concurrent extrahepatic disease (EHD). We performed a population-based study to characterize the rates of LDT being performed for NETLM with EHD patients and whether LDT is associated with survival outcomes. Methods: Patients with NETLM and EHD were identified using the California Cancer Registry database merged with data from the California Office of Statewide Health Planning and Development between 2000 and 2012. Demographics, clinical characteristics, and survival outcomes were analyzed for these patients with and without LDT. Results: 327 NETLM patients with EHD were identified. EHD sites included lung, peritoneum, bone, and brain. A total of 71 (22%) of these patients underwent LDT. Compared to NETLM with EHD patients who did not undergo LDT, patients who received LDT had longer median overall survival (27 vs. 16 months, p = 0.006). Within the LDT group, 23 patients underwent liver resection. Liver resection was associated with longer median overall survival compared to nonsurgical LDT (138 vs. 13 months, p < 0.001). Conclusions: LDT candidacy should be determined for patients on a case-by-case basis, but the presence of EHD should not preclude LDT with appropriate patient selection.
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Affiliation(s)
- Kelly M Mahuron
- Department of Surgical Oncology, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Kristen E Limbach
- Department of Surgical Oncology, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Matthew C Hernandez
- Department of Surgical Oncology, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Philip H G Ituarte
- Department of Surgical Oncology, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Daneng Li
- Department of Medical Oncology, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Jonathan Kessler
- Department of Radiology, City of Hope National Medical Center, Duarte, CA 91010, USA
| | - Gagandeep Singh
- Department of Surgical Oncology, City of Hope National Medical Center, Duarte, CA 91010, USA
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Ekmekcioglu O, Hughes S, Fendler WP, Verzijlbergen F, Kong G, Hofman MS. May the Nuclear Medicine be with you! Neuroendocrine tumours and the return of nuclear medicine. Eur J Nucl Med Mol Imaging 2024:10.1007/s00259-024-06877-6. [PMID: 39158585 DOI: 10.1007/s00259-024-06877-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/20/2024]
Affiliation(s)
- Ozgul Ekmekcioglu
- Department of Nuclear Medicine, University of Health Sciences, Sisli Hamidiye Etfal Education and Research Hospital, Istanbul, Turkey.
| | - Simon Hughes
- Department of Nuclear Medicine, Queen Elizabeth Hospital, University Hospital Birmingham NHS Trust, Birmingham, UK
| | - Wolfgang P Fendler
- Department of Nuclear Medicine, University of Duisburg-Essen and German Cancer Consortium (DKTK)-University Hospital Essen, Essen, Germany
| | - Fred Verzijlbergen
- Department of Radiology and Nuclear Medicine, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Grace Kong
- Molecular Imaging and Therapeutic Nuclear Medicine, Cancer Imaging, Peter MacCallum Centre Melbourne, and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, Australia
| | - Michael S Hofman
- Molecular Imaging and Therapeutic Nuclear Medicine, Cancer Imaging, Peter MacCallum Centre Melbourne, and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, Australia
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Ghabra S, Ramamoorthy B, Andrews SG, Sadowski SM. Surgical Management and Long-Term Evaluation of Pancreatic Neuroendocrine Tumors. Surg Clin North Am 2024; 104:891-908. [PMID: 38944507 PMCID: PMC11214659 DOI: 10.1016/j.suc.2024.02.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/01/2024]
Abstract
Pancreatic neuroendocrine tumors (PNETs) arise from neuroendocrine cells and are a rare class of heterogenous tumors with increasing incidence. The diagnosis, staging, treatment, and prognosis of PNETs depend heavily on identifying the histologic features and biological mechanisms. Here, the authors provide an overview of the diagnostic workup (biomarkers and imaging), grade, and staging of PNETs. The authors also explore associated genetic mutations and molecular pathways and describe updated guidelines on surgical and systemic treatment modalities.
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Affiliation(s)
- Shadin Ghabra
- Surgical Oncology Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA. https://twitter.com/ShadinGhabra_MD
| | - Bhavishya Ramamoorthy
- Surgical Oncology Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Stephen G Andrews
- Neuroendocrine Cancer Therapy Section, Surgical Oncology Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 CRC, Room 4-5932, Bethesda, MD 20892, USA. https://twitter.com/AndrewsStephenG
| | - Samira M Sadowski
- Neuroendocrine Cancer Therapy Section, Surgical Oncology Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Building 10 CRC, Room 4-5932, Bethesda, MD 20892, USA.
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Aggarwal P, Satapathy S, Sood A, Singh H, Mittal BR, Lal S, Gupta R, Das CK, Yadav TD, Walia R. Safety and Efficacy of 177 Lu-DOTATATE in Children and Young Adult Population : A Single-Center Experience. Clin Nucl Med 2024; 49:e312-e318. [PMID: 38769655 DOI: 10.1097/rlu.0000000000005233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
PURPOSE This single-center retrospective study explores the safety and efficacy of 177 Lu-DOTATATE in children and young adult population with metastatic/inoperable neuroendocrine tumors (NETs). PATIENTS AND METHODS This study is a retrospective analysis of all children and young adult patients (≤29 years) with advanced inoperable/metastatic epithelial or nonepithelial NETs who were administered a median of 4 cycles of 177 Lu-DOTATATE therapy and low-dose oral capecitabine as a radiosensitizer every 8-12 weeks, except 2 patients who received CAPTEM chemotherapy. The radiological response was assessed using RECIST 1.1 on interim and end-of-treatment 68 Ga-DOTANOC PET/CT. The primary endpoint was objective response rate, whereas disease control rate, toxicity profile, progression-free survival, and overall survival were secondary endpoints. RESULTS Nineteen biopsy-proven NET patients (median age, 22 ± 10 years) with 8 of them adolescents (10-18 years) and the remaining young adults (19-29 years) were included. Fourteen patients had gastroenteropancreatic neuroendocrine tumor (pancreas being most common primary site), whereas the rest had non-gastroenteropancreatic neuroendocrine tumor. A total of 65 cycles of 177 Lu-DOTATATE (range, 1-6 cycles) were administered with a median cumulative activity of 600 mCi (range, 100-1000 mCi). The objective response rate and disease control rate were 41% and 94%, respectively. Grade 1 and 2 adverse events were observed in 14 (74%) and 5 (26%) of 19 patients, respectively. In a total of 8 events (42%), 4 events each of disease progression and death occurred during a median follow-up of 80.1 months with an estimated 5-year progression-free survival and overall survival of 54% (95% confidence interval, 30-78) and 63% (95% confidence interval, 39-87), respectively. CONCLUSIONS 177 Lu-DOTATATE appears safe and effective in children and young adults with metastatic/inoperable NETs. Large prospective trials are required to validate these results.
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Affiliation(s)
| | | | | | | | | | - Sadhna Lal
- Gastroenterology (Division of Pediatric Gastroenterology)
| | | | | | | | - Rama Walia
- Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
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Halperin R, Tirosh A. Mid-Treatment Response to 177-Lutetium Dotatate Predicts Overall Outcome in Patients With Advanced Neuroendocrine Tumors. JCO Oncol Pract 2024:OP2300789. [PMID: 38935916 DOI: 10.1200/op.23.00789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 04/22/2024] [Accepted: 05/15/2024] [Indexed: 06/29/2024] Open
Abstract
PURPOSE Patients with advanced, well-differentiated neuroendocrine tumors (WD-NETs) often require both peptide receptor radionuclide therapy (PRRT) and subsequent chemotherapy. However, no mid-PRRT predictors are available to identify patients who will not benefit from subsequent PRRT to limit their radiation exposure. Our aim is to characterize patients for whom subsequent PRRT is less efficacious on the basis of mid-PRRT evaluation. MATERIALS AND METHODS A retrospective study of patients with WD-NET who underwent ≥four PRRT cycles. Data gathered included demographics, tumor grade, stage, and response (partial response [PR], stable disease [SD], and progressive disease [PD]) on the basis of RECIST 1.1 criteria and 68Ga-dotatate positron emission tomography-computerized tomography pretreatment, after second and fourth treatment cycle, 6 months after fourth cycle, and at last follow-up. RESULTS Fifty-one patients (51.6% women; age at diagnosis 66.0 ± 1.65 years), with pancreatic NET (PNET; n = 24), small intestine NET (n = 13), or other NET (n = 14), received PRRT, resulting in PR (n = 21), SD (n = 23), and PD (n = 3). Of the patients reaching PR after PRRT, most reached PR after two treatments (70.4%), with only 11.8% PR occurring between subsequent cycles (P = .001). Furthermore, patients with PR at mid-treatment had higher PR rates after PRRT completion than those with SD (P = .007). Patients harboring PNET who achieved PR had a more pronounced reduction of tumor burden in additional cycles than patients who did not (25.6% v 1.5%; P = .03, respectively). On the multivariable model, adjusted for grade and primary site, PR at mid-treatment evaluation was associated with a 20.9 adjusted odds ratio for additional PR at PRRT completion (P = .002). CONCLUSION Mid-PRRT assessment predicts subsequent PRRT response in patients with WD-NET, especially those with PNET, informing personalized management and consideration of reduced bone marrow radiation exposure in high-risk patients.
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Affiliation(s)
- Reut Halperin
- ENTIRE-Endocrine Neoplasia Translational Research Center, Ramat Gan, Israel
- Division of Endocrinology, Metabolism and Diabetes, Sheba Medical Center, Ramat Gan, Israel
- Tel Aviv University Faculty of Medicine, Ramat Gan, Israel
| | - Amit Tirosh
- ENTIRE-Endocrine Neoplasia Translational Research Center, Ramat Gan, Israel
- Division of Endocrinology, Metabolism and Diabetes, Sheba Medical Center, Ramat Gan, Israel
- Tel Aviv University Faculty of Medicine, Ramat Gan, Israel
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Ravi Kumar AS, Hofman MS. Unraveling the Impact of 177Lu-PSMA Radioligand Therapy on Renal Impairment: Distinguishing Causation from Correlation. J Nucl Med 2024; 65:85-86. [PMID: 37973187 DOI: 10.2967/jnumed.123.266638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 11/01/2023] [Indexed: 11/19/2023] Open
Affiliation(s)
- Aravind S Ravi Kumar
- Prostate Cancer Theranostics and Imaging Centre of Excellence, Molecular Imaging and Therapeutic Nuclear Medicine, Cancer Imaging, Peter MacCallum Centre Melbourne, and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, Australia
| | - Michael S Hofman
- Prostate Cancer Theranostics and Imaging Centre of Excellence, Molecular Imaging and Therapeutic Nuclear Medicine, Cancer Imaging, Peter MacCallum Centre Melbourne, and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, Victoria, Australia
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Kong G, Hicks RJ. PRRT for higher-grade neuroendocrine neoplasms: What is still acceptable? Curr Opin Pharmacol 2022; 67:102293. [PMID: 36195008 DOI: 10.1016/j.coph.2022.102293] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 08/25/2022] [Accepted: 09/01/2022] [Indexed: 01/25/2023]
Abstract
Peptide receptor radionuclide therapy (PRRT) is a widely accepted treatment for progressive grade 1 and 2 (G1-2) gastroenteropancreatic neuroendocrine tumors (NET). There is increasing evidence that PRRT is effective for selected patients with well-differentiated (WD) G3 NET, which are now separated from neuroendocrine carcinoma (NEC). These preliminary data have led to prospective PRRT trials currently in progress. This article provides an update of the current role of PRRT for patients with WD-G3 NET, highlighting the importance of patient selection based on molecular imaging phenotype, as well as outlining some potential future directions in this field. Upcoming prospective trials will help define the role, sequencing, and optimization of PRRT to improve outcomes of patients with WD-G3 NET.
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Affiliation(s)
- Grace Kong
- Department of Molecular Imaging and Therapeutic Nuclear Medicine, Peter MacCallum Cancer Centre, Victoria, Australia; The Sir Peter MacCallum Department of Oncology, The University of Melbourne, Victoria, Australia
| | - Rodney J Hicks
- The University of Melbourne Department of Medicine, St Vincent's Hospital, Melbourne, Australia.
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Hofland J, Brabander T, Verburg FA, Feelders RA, de Herder WW. Peptide Receptor Radionuclide Therapy. J Clin Endocrinol Metab 2022; 107:3199-3208. [PMID: 36198028 PMCID: PMC9693835 DOI: 10.1210/clinem/dgac574] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Indexed: 11/19/2022]
Abstract
The concept of using a targeting molecule labeled with a diagnostic radionuclide for using positron emission tomography or single photon emission computed tomography imaging with the potential to demonstrate that tumoricidal radiation can be delivered to tumoral sites by administration of the same or a similar targeting molecule labeled with a therapeutic radionuclide termed "theranostics." Peptide receptor radionuclide therapy (PRRT) with radiolabeled somatostatin analogs (SSAs) is a well-established second/third-line theranostic treatment for somatostatin receptor-positive well-differentiated (neuro-)endocrine neoplasms (NENs). PRRT with 177Lu-DOTATATE was approved by the regulatory authorities in 2017 and 2018 for selected patients with low-grade well-differentiated gastroenteropancreatic (GEP) NENs. It improves progression-free survival as well as quality of life of GEP NEN patients. Favorable symptomatic and biochemical responses using PRRT with 177Lu-DOTATATE have also been reported in patients with functioning metastatic GEP NENs like metastatic insulinomas, Verner Morrison syndromes (VIPomas), glucagonomas, and gastrinomas and patients with carcinoid syndrome. This therapy might also become a valuable therapeutic option for inoperable low-grade bronchopulmonary NENs, inoperable or progressive pheochromocytomas and paragangliomas, and medullary thyroid carcinomas. First-line PRRT with 177Lu-DOTATATE and combinations of this therapy with cytotoxic drugs are currently under investigation. New radiolabeled somatostatin receptor ligands include SSAs coupled with alpha radiation emitting radionuclides and somatostatin receptor antagonists coupled with radionuclides.
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Affiliation(s)
- Johannes Hofland
- Department of Internal Medicine, Section of Endocrinology, ENETS Center of Excellence, Erasmus MC and Erasmus Cancer Institute, Rotterdam, The Netherlands
| | - Tessa Brabander
- Department of Radiology & Nuclear Medicine, ENETS Center of Excellence, Erasmus MC and Erasmus Cancer Institute, Rotterdam, The Netherlands
| | - Frederik A Verburg
- Department of Radiology & Nuclear Medicine, ENETS Center of Excellence, Erasmus MC and Erasmus Cancer Institute, Rotterdam, The Netherlands
| | - Richard A Feelders
- Department of Internal Medicine, Section of Endocrinology, ENETS Center of Excellence, Erasmus MC and Erasmus Cancer Institute, Rotterdam, The Netherlands
| | - Wouter W de Herder
- Correspondence: Wouter W. de Herder, MD, PhD, Department of Internal Medicine, Section of Endocrinology, ENETS Center of Excellence, Erasmus MC and Erasmus Cancer Institute, Rotterdam, The Netherlands.
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Navalkissoor S, Gnanasegaran G, Grossman A. Optimisation of radioligand therapy in neuroendocrine tumours: Current and evolving evidence. J Neuroendocrinol 2022; 34:e13208. [PMID: 36346690 DOI: 10.1111/jne.13208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/23/2022] [Accepted: 10/02/2022] [Indexed: 11/27/2022]
Abstract
Treatment of neuroendocrine tumours (NETs) with radioligand therapy (RLT) for example, 177 Lu-DOTATATE is generally well-tolerated and prolongs time to progression in most patients. However, approximately 20% of patients are nonresponders. In addition, complete responses are rare (<5% of patients), and durable responses beyond 3-4 years are uncommon. This article will discuss factors which may improve the outcomes of PRRT by using biomarkers to identify patients at high risk to be nonresponders (imaging and liquid biomarkers) and will examine mechanisms to potentially improve/optimise current RLT treatment strategies. These include mechanisms to potentiate the effects of RLT, increase tumour absorbed dose, overcoming radio-resistance and upregulation of somatostatin receptors, although larger studies will be required to demonstrate which techniques are going to be most efficacious in clinical practice.
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Affiliation(s)
- Shaunak Navalkissoor
- Department of Nuclear Medicine, ENETS Centre of Excellence, Royal Free London NHS Foundation Trust, London, UK
| | - Gopinath Gnanasegaran
- Department of Nuclear Medicine, ENETS Centre of Excellence, Royal Free London NHS Foundation Trust, London, UK
| | - Ashley Grossman
- NET Unit, ENETS Centre of Excellence, Royal Free London NHS Foundation Trust, London, UK
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Park R, Amin M, Trikalinos NA. Temozolomide duration and secondary hematological neoplasms: A literature review and implications for patients with neuroendocrine neoplasms. J Neuroendocrinol 2022; 34:e13178. [PMID: 35854663 DOI: 10.1111/jne.13178] [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: 04/08/2022] [Revised: 05/25/2022] [Accepted: 06/16/2022] [Indexed: 11/30/2022]
Abstract
Evidence-based recommendations for the optimal duration and sequencing of temozolomide-based treatments in advanced neuroendocrine neoplasms are lacking. Here, we conducted a systematic review of the literature for a descriptive analysis of temozolomide-associated myelodysplasias and leukemias to guide treatment planning. A database search of PubMed and Embase was conducted to identify case reports and/or case series reporting secondary myelodysplasias or leukemias in the setting of temozolomide therapy. Key data items extracted from the studies were the temozolomide dose and duration, latency to hematological disorder, type of secondary malignancy and cytogenetics. Reported cases were summarized graphically. A total of 16 studies with 27 patient cases of therapy-related hematologic neoplasms were identified, all of which were case reports or case series. The median treatment duration and cumulative dose were 19 months and 18,000 mg/m2 , respectively. Most patients (21/27) were diagnosed on, or after, 12 months, while only one patient was diagnosed before 6 months of treatment. Most of the patients were diagnosed, while still on treatment with temozolomide. Graphically, cases clustered around a cumulative dose of 10,000 to 30,000 mg/m2 and a latency period of 10 to 40 months which translates to an approximate treatment duration of 12.5 to 37.5 months. Taken together, most reported treatment-related hematological neoplasms appear to develop on or beyond the 12-month mark, while patients are still on treatment with temozolomide. For patients with neuroendocrine neoplasms, where sequencing of multiple therapies is important, we suggest an approach to optimizing treatment duration by establishing disease response at 6 months before continuing further treatment and restricting treatment to or establishing closer vigilance beyond 12 months.
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Affiliation(s)
- Robin Park
- Department of Medicine, MetroWest Medical Center/Tufts University School of Medicine, Framingham, Massachusetts, USA
| | - Manik Amin
- Department of Medicine, Division of Oncology, Dartmouth- Hitchcock Medical Center, Lebanon, New Hampshire, USA
| | - Nikolaos A Trikalinos
- Department of Medicine, Division of Oncology, Washington University Medical School, St. Louis, Missouri, USA
- Siteman Cancer Center, St Louis, Missouri, USA
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