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Wijngaarden JE, Ahbari A, Pouw JEE, Greuter HNJM, Bahce I, Zwezerijnen GJC, Vugts DJ, van Dongen GAMS, Boellaard R, Menke-van der Houven van Oordt CW, Huisman MC. How to obtain the image-derived blood concentration from 89Zr-immuno-PET scans. EJNMMI Phys 2024; 11:16. [PMID: 38321232 PMCID: PMC10847076 DOI: 10.1186/s40658-024-00621-7] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 01/29/2024] [Indexed: 02/08/2024] Open
Abstract
BACKGROUND PET scans using zirconium-89 labelled monoclonal antibodies (89Zr-mAbs), known as 89Zr-immuno-PET, are made to measure uptake in tumour and organ tissue. Uptake is related to the supply of 89Zr-mAbs in the blood. Measuring activity concentrations in blood, however, requires invasive blood sampling. This study aims to identify the best delineation strategy to obtain the image-derived blood concentration (IDBC) from 89Zr-immuno-PET scans. METHODS PET imaging and blood sampling of two 89Zr-mAbs were included, 89Zr-cetuximab and 89Zr-durvalumab. For seven patients receiving 89Zr-cetuximab, PET scans on 1-2 h, 2 and 6 days post-injection (p.i.) were analysed. Five patients received three injections of 89Zr-durvalumab. The scanning protocol for the first two injections consisted of PET scanning on 2, 5 and 7 days p.i. and for the third injection only on 7 days p.i. Blood samples were drawn with every PET scan and the sample-derived blood concentration (SDBC) was used as gold standard for the IDBC. According to an in-house developed standard operating procedure, the aortic arch, ascending aorta, descending aorta and left ventricle were delineated. Bland-Altman analyses were performed to assess the bias (mean difference) and variability (1.96 times the standard deviation of the differences) between IDBC and SDBC. RESULTS Overall, the activity concentration obtained from the IDBC was lower than from the SDBC. When comparing IDBC with SDBC, variability was smallest for the ascending aorta (20.3% and 17.0% for 89Zr-cetuximab and 89Zr-durvalumab, respectively). Variability for the other regions ranged between 17.9 and 30.8%. Bias for the ascending aorta was - 10.9% and - 11.4% for 89Zr-cetuximab and 89Zr-durvalumab, respectively. CONCLUSIONS Image-derived blood concentrations should be obtained from delineating the ascending aorta in 89Zr-immuno-PET scans, as this results in the lowest variability with respect to sample-derived blood concentrations.
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Affiliation(s)
- Jessica E Wijngaarden
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Location Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands.
- Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands.
| | - Amina Ahbari
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Location Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
- Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
| | - Johanna E E Pouw
- Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
- Department of Medical Oncology, Amsterdam UMC Location Vrije Universiteit Amsterdam, Boelelaan 1117, Amsterdam, The Netherlands
| | - Henri N J M Greuter
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Location Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
- Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
| | - Idris Bahce
- Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
- Department of Pulmonary Medicine, Amsterdam UMC Location Vrije Universiteit Amsterdam, Boelelaan 1117, Amsterdam, The Netherlands
| | - Gerben J C Zwezerijnen
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Location Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
- Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
| | - Daniëlle J Vugts
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Location Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
- Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
| | - Guus A M S van Dongen
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Location Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
- Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
| | - Ronald Boellaard
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Location Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
- Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
| | - C Willemien Menke-van der Houven van Oordt
- Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
- Department of Medical Oncology, Amsterdam UMC Location Vrije Universiteit Amsterdam, Boelelaan 1117, Amsterdam, The Netherlands
| | - Marc C Huisman
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Location Vrije Universiteit Amsterdam, De Boelelaan 1117, 1081 HV, Amsterdam, The Netherlands
- Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
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Pouw JEE, Hashemi SMS, Huisman MC, Wijngaarden JE, Slebe M, Oprea-Lager DE, Zwezerijnen GJC, Vugts D, Ulas EB, de Gruijl TD, Radonic T, Senan S, Menke-van der Houven van Oordt CW, Bahce I. First exploration of the on-treatment changes in tumor and organ uptake of a radiolabeled anti PD-L1 antibody during chemoradiotherapy in patients with non-small cell lung cancer using whole body PET. J Immunother Cancer 2024; 12:e007659. [PMID: 38302416 PMCID: PMC10836378 DOI: 10.1136/jitc-2023-007659] [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] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/03/2024] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND In patients with locally advanced unresectable non-small cell lung cancer (NSCLC), durvalumab, an anti-programmed cell death ligand-1 (PD-L1) antibody, has shown improved overall survival when used as consolidation therapy following concurrent chemoradiotherapy (CRT). However, it is unclear whether CRT itself upregulates PD-L1 expression. Therefore, this study aimed to explore the changes in the uptake of the anti PD-L1 antibody [89Zr]Zr-durvalumab in tumors and healthy organs during CRT in patients with NSCLC. METHODS Patients with NSCLC scheduled to undergo CRT were scanned 7±1 days after administration of 37±1 MBq [89Zr]Zr-durvalumab at baseline, 1-week on-treatment and 1 week after finishing 6 weeks of CRT. First, [89Zr]Zr-durvalumab uptake was visually assessed in a low dose cohort with a mass dose of 2 mg durvalumab (0.13% of therapeutic dose) and subsequently, quantification was done in a high dose cohort with a mass dose of 22.5 mg durvalumab (1.5% of therapeutic dose). Tracer pharmacokinetics between injections were compared using venous blood samples drawn in the 22.5 mg cohort. Visual assessment included suspected lesion detectability. Positron emission tomography (PET) uptake in tumoral and healthy tissues was quantified using tumor to plasma ratio (TPR) and organ to plasma ratio, respectively. RESULTS In the 2 mg dose cohort, 88% of the 17 identified tumor lesions were positive at baseline, compared with 69% (9/13) for the 22.5 mg cohort. Although the absolute plasma concentrations between patients varied, the intrapatient variability was low. The ten quantitatively assessed lesions in the 22.5 mg cohort had a median TPR at baseline of 1.3 (IQR 0.7-1.5), on-treatment of 1.0 (IQR 0.7-1.4) and at the end of treatment of 0.7 (IQR 0.6-0.7). On-treatment, an increased uptake in bone marrow was seen in three out of five patients together with a decreased uptake in the spleen in four out of five patients. CONCLUSIONS This study successfully imaged patients with NSCLC with [89Zr]Zr-durvalumab PET before and during CRT. Our data did not show any increase in [89Zr]Zr-durvalumab uptake in the tumor 1-week on-treatment and at the end of treatment. The changes observed in bone marrow and spleen may be due to an CRT-induced effect on immune cells. TRIAL REGISTRATION NUMBER EudraCT number: 2019-004284-51.
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Affiliation(s)
- Johanna E E Pouw
- Department of Medical Oncology, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
| | - Sayed M S Hashemi
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Pulmonary Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Marc C Huisman
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Jessica E Wijngaarden
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Maarten Slebe
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Pulmonary Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Daniela E Oprea-Lager
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Gerben J C Zwezerijnen
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Danielle Vugts
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Radiology and Nuclear Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Ezgi B Ulas
- Department of Pulmonary Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
- Cancer Immunology, Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Tanja D de Gruijl
- Department of Medical Oncology, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
| | - Teodora Radonic
- Department of Pathology, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | - Suresh Senan
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Radiation Oncology, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
| | | | - Idris Bahce
- Imaging and Biomarkers, Cancer Centre Amsterdam, Amsterdam, Netherlands
- Department of Pulmonary Medicine, Amsterdam UMC Locatie VUmc, Amsterdam, Netherlands
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Wijngaarden JE, Huisman MC, Pouw JEE, Menke-van der Houven van Oordt CW, Jauw YWS, Boellaard R. Optimal imaging time points considering accuracy and precision of Patlak linearization for 89Zr-immuno-PET: a simulation study. EJNMMI Res 2022; 12:54. [PMID: 36065038 PMCID: PMC9445120 DOI: 10.1186/s13550-022-00927-6] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 08/19/2022] [Indexed: 11/10/2022] Open
Abstract
Purpose Zirconium-89-immuno-positron emission tomography (89Zr-immuno-PET) has enabled visualization of zirconium-89 labelled monoclonal antibody (89Zr-mAb) uptake in organs and tumors in vivo. Patlak linearization of 89Zr-immuno-PET quantification data allows for separation of reversible and irreversible uptake, by combining multiple blood samples and PET images at different days. As one can obtain only a limited number of blood samples and scans per patient, choosing the optimal time points is important. Tissue activity concentration curves were simulated to evaluate the effect of imaging time points on Patlak results, considering different time points, input functions, noise levels and levels of reversible and irreversible uptake. Methods Based on 89Zr-mAb input functions and reference values for reversible (VT) and irreversible (Ki) uptake from literature, multiple tissue activity curves were simulated. Three different 89Zr-mAb input functions, five time points between 24 and 192 h p.i., noise levels of 5, 10 and 15%, and three reference Ki and VT values were considered. Simulated Ki and VT were calculated (Patlak linearization) for a thousand repetitions. Accuracy and precision of Patlak linearization were evaluated by comparing simulated Ki and VT with reference values. Results Simulations showed that Ki is always underestimated. Inclusion of time point 24 h p.i. reduced bias and variability in VT, and slightly reduced bias and variability in Ki, as compared to combinations of three later time points. After inclusion of 24 h p.i., minimal differences were found in bias and variability between different combinations of later imaging time points, despite different input functions, noise levels and reference values. Conclusion Inclusion of a blood sample and PET scan at 24 h p.i. improves accuracy and precision of Patlak results for 89Zr-immuno-PET; the exact timing of the two later time points is not critical. Supplementary Information The online version contains supplementary material available at 10.1186/s13550-022-00927-6.
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Affiliation(s)
- Jessica E Wijngaarden
- Department of Radiology and Nuclear Medicine, Amsterdam UMC location Vrije Universiteit Amsterdam, Boelelaan 1117, Amsterdam, The Netherlands. .,Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands.
| | - Marc C Huisman
- Department of Radiology and Nuclear Medicine, Amsterdam UMC location Vrije Universiteit Amsterdam, Boelelaan 1117, Amsterdam, The Netherlands.,Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
| | - Johanna E E Pouw
- Department of Medical Oncology, Amsterdam UMC location Vrije Universiteit Amsterdam, Boelelaan 1117, Amsterdam, The Netherlands.,Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
| | - C Willemien Menke-van der Houven van Oordt
- Department of Medical Oncology, Amsterdam UMC location Vrije Universiteit Amsterdam, Boelelaan 1117, Amsterdam, The Netherlands.,Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
| | - Yvonne W S Jauw
- Department of Radiology and Nuclear Medicine, Amsterdam UMC location Vrije Universiteit Amsterdam, Boelelaan 1117, Amsterdam, The Netherlands.,Department of Hematology, Amsterdam UMC location Vrije Universiteit Amsterdam, Boelelaan 1117, Amsterdam, The Netherlands.,Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
| | - Ronald Boellaard
- Department of Radiology and Nuclear Medicine, Amsterdam UMC location Vrije Universiteit Amsterdam, Boelelaan 1117, Amsterdam, The Netherlands.,Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, The Netherlands
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4
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Geboers B, Timmer FEF, Ruarus AH, Pouw JEE, Schouten EAC, Bakker J, Puijk RS, Nieuwenhuizen S, Dijkstra M, van den Tol MP, de Vries JJJ, Oprea-Lager DE, Menke-van der Houven van Oordt CW, van der Vliet HJ, Wilmink JW, Scheffer HJ, de Gruijl TD, Meijerink MR. Irreversible Electroporation and Nivolumab Combined with Intratumoral Administration of a Toll-Like Receptor Ligand, as a Means of In Vivo Vaccination for Metastatic Pancreatic Ductal Adenocarcinoma (PANFIRE-III). A Phase-I Study Protocol. Cancers (Basel) 2021; 13:cancers13153902. [PMID: 34359801 PMCID: PMC8345515 DOI: 10.3390/cancers13153902] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/24/2021] [Accepted: 07/28/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Metastatic pancreatic ductal adenocarcinoma has a dismal prognosis, and to date no curative treatment options exist. The image guided tumor ablation technique irreversible electroporation (IRE) employs high-voltage electrical pulses through the application of several needle electrodes in and around the tumor in order to induce cell death. IRE ablation of the primary tumor has the ability to reduce pancreatic tumor induced immune suppression while allowing the expansion of tumor specific effector T cells, hereby possibly shifting the pancreatic tumor microenvironment into a more immune permissive state. The addition of immune enhancing therapies to IRE might work synergistically and could potentially induce a clinically significant treatment effect. This study protocol describes the rationale and design of the PANFIRE-III trial that aims to assess the safety of the combination of IRE with IMO-2125 (toll-like receptor 9 ligand) and/or nivolumab in patients with metastatic pancreatic ductal adenocarcinoma. Abstract Irreversible electroporation (IRE) is a novel image-guided tumor ablation technique with the ability to generate a window for the establishment of systemic antitumor immunity. IRE transiently alters the tumor’s immunosuppressive microenvironment while simultaneously generating antigen release, thereby instigating an adaptive immune response. Combining IRE with immunotherapeutic drugs, i.e., electroimmunotherapy, has synergistic potential and might induce a durable antitumor response. The primary objective of this study is to assess the safety of the combination of IRE with IMO-2125 (a toll-like receptor 9 ligand) and/or nivolumab in patients with metastatic pancreatic ductal adenocarcinoma (mPDAC). In this randomized controlled phase I clinical trial, 18 patients with mPDAC pretreated with chemotherapy will be enrolled in one of three study arms: A (control): nivolumab monotherapy; B: percutaneous IRE of the primary tumor followed by nivolumab; or C: intratumoral injection of IMO-2125 followed by percutaneous IRE of the primary tumor and nivolumab. Assessments include contrast enhanced computed tomography (ceCT), 18F-FDG and 18F-BMS-986192 (PD-L1) positron emission tomography (PET)-CT, biopsies of the primary tumor and metastases, peripheral blood samples, and quality of life and pain questionnaires. There is no curative treatment option for patients with mPDAC, and palliative chemotherapy regimens only moderately improve survival. Consequently, there is an urgent need for innovative and radically different treatment approaches. Should electroimmunotherapy establish an effective and durable anti-tumor response, it may ultimately improve PDAC’s dismal prognosis.
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Affiliation(s)
- Bart Geboers
- Department of Radiology and Nuclear Medicine, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (F.E.F.T.); (A.H.R.); (E.A.C.S.); (R.S.P.); (S.N.); (M.D.); (J.J.J.d.V.); (D.E.O.-L.); (H.J.S.); (M.R.M.)
- Correspondence:
| | - Florentine E. F. Timmer
- Department of Radiology and Nuclear Medicine, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (F.E.F.T.); (A.H.R.); (E.A.C.S.); (R.S.P.); (S.N.); (M.D.); (J.J.J.d.V.); (D.E.O.-L.); (H.J.S.); (M.R.M.)
| | - Alette H. Ruarus
- Department of Radiology and Nuclear Medicine, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (F.E.F.T.); (A.H.R.); (E.A.C.S.); (R.S.P.); (S.N.); (M.D.); (J.J.J.d.V.); (D.E.O.-L.); (H.J.S.); (M.R.M.)
| | - Johanna E. E. Pouw
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (J.E.E.P.); (J.B.); (C.W.M.-v.d.H.v.O.); (H.J.v.d.V.); (J.W.W.); (T.D.d.G.)
| | - Evelien A. C. Schouten
- Department of Radiology and Nuclear Medicine, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (F.E.F.T.); (A.H.R.); (E.A.C.S.); (R.S.P.); (S.N.); (M.D.); (J.J.J.d.V.); (D.E.O.-L.); (H.J.S.); (M.R.M.)
| | - Joyce Bakker
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (J.E.E.P.); (J.B.); (C.W.M.-v.d.H.v.O.); (H.J.v.d.V.); (J.W.W.); (T.D.d.G.)
| | - Robbert S. Puijk
- Department of Radiology and Nuclear Medicine, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (F.E.F.T.); (A.H.R.); (E.A.C.S.); (R.S.P.); (S.N.); (M.D.); (J.J.J.d.V.); (D.E.O.-L.); (H.J.S.); (M.R.M.)
| | - Sanne Nieuwenhuizen
- Department of Radiology and Nuclear Medicine, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (F.E.F.T.); (A.H.R.); (E.A.C.S.); (R.S.P.); (S.N.); (M.D.); (J.J.J.d.V.); (D.E.O.-L.); (H.J.S.); (M.R.M.)
| | - Madelon Dijkstra
- Department of Radiology and Nuclear Medicine, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (F.E.F.T.); (A.H.R.); (E.A.C.S.); (R.S.P.); (S.N.); (M.D.); (J.J.J.d.V.); (D.E.O.-L.); (H.J.S.); (M.R.M.)
| | - M. Petrousjka van den Tol
- Department of Surgery, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands;
| | - Jan J. J. de Vries
- Department of Radiology and Nuclear Medicine, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (F.E.F.T.); (A.H.R.); (E.A.C.S.); (R.S.P.); (S.N.); (M.D.); (J.J.J.d.V.); (D.E.O.-L.); (H.J.S.); (M.R.M.)
| | - Daniela E. Oprea-Lager
- Department of Radiology and Nuclear Medicine, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (F.E.F.T.); (A.H.R.); (E.A.C.S.); (R.S.P.); (S.N.); (M.D.); (J.J.J.d.V.); (D.E.O.-L.); (H.J.S.); (M.R.M.)
| | - C. Willemien Menke-van der Houven van Oordt
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (J.E.E.P.); (J.B.); (C.W.M.-v.d.H.v.O.); (H.J.v.d.V.); (J.W.W.); (T.D.d.G.)
| | - Hans J. van der Vliet
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (J.E.E.P.); (J.B.); (C.W.M.-v.d.H.v.O.); (H.J.v.d.V.); (J.W.W.); (T.D.d.G.)
- Lava Therapeutics, Yalelaan 60, 3584 CM Utrecht, The Netherlands
| | - Johanna W. Wilmink
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (J.E.E.P.); (J.B.); (C.W.M.-v.d.H.v.O.); (H.J.v.d.V.); (J.W.W.); (T.D.d.G.)
| | - Hester J. Scheffer
- Department of Radiology and Nuclear Medicine, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (F.E.F.T.); (A.H.R.); (E.A.C.S.); (R.S.P.); (S.N.); (M.D.); (J.J.J.d.V.); (D.E.O.-L.); (H.J.S.); (M.R.M.)
| | - Tanja D. de Gruijl
- Department of Medical Oncology, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (J.E.E.P.); (J.B.); (C.W.M.-v.d.H.v.O.); (H.J.v.d.V.); (J.W.W.); (T.D.d.G.)
| | - Martijn R. Meijerink
- Department of Radiology and Nuclear Medicine, Cancer Center Amsterdam, Amsterdam University Medical Centers, de Boelelaan 1117, 1081 HV Amsterdam, The Netherlands; (F.E.F.T.); (A.H.R.); (E.A.C.S.); (R.S.P.); (S.N.); (M.D.); (J.J.J.d.V.); (D.E.O.-L.); (H.J.S.); (M.R.M.)
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