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Wang D, Liu S, Fu J, Zhang P, Zheng S, Qiu B, Liu H, Ye Y, Guo J, Zhou Y, Jiang H, Yin S, He H, Xie C, Liu H. Correlation of K trans derived from dynamic contrast-enhanced MRI with treatment response and survival in locally advanced NSCLC patients undergoing induction immunochemotherapy and concurrent chemoradiotherapy. J Immunother Cancer 2024; 12:e008574. [PMID: 38910009 DOI: 10.1136/jitc-2023-008574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/30/2024] [Indexed: 06/25/2024] Open
Abstract
PURPOSE This study aimed to investigate the prognostic significance of pretreatment dynamic contrast-enhanced (DCE)-MRI parameters concerning tumor response following induction immunochemotherapy and survival outcomes in patients with locally advanced non-small cell lung cancer (NSCLC) who underwent immunotherapy-based multimodal treatments. MATERIAL AND METHODS Unresectable stage III NSCLC patients treated by induction immunochemotherapy, concurrent chemoradiotherapy (CCRT) with or without consolidative immunotherapy from two prospective clinical trials were screened. Using the two-compartment Extend Tofts model, the parameters including Ktrans, Kep, Ve, and Vp were calculated from DCE-MRI data. The apparent diffusion coefficient was calculated from diffusion-weighted-MRI data. The receiver operating characteristic (ROC) curve and the area under the curve (AUC) were used to assess the predictive performance of MRI parameters. The Cox regression model was used for univariate and multivariate analysis. RESULTS 111 unresectable stage III NSCLC patients were enrolled. Patients received two cycles of induction immunochemotherapy and CCRT, with or without consolidative immunotherapy. With the median follow-up of 22.3 months, the median progression-free survival (PFS) and overall survival (OS) were 16.3 and 23.8 months. The multivariate analysis suggested that Eastern Cooperative Oncology Group score, TNM stage and the response to induction immunochemotherapy were significantly related to both PFS and OS. After induction immunochemotherapy, 67 patients (59.8%) achieved complete response or partial response and 44 patients (40.2%) had stable disease or progressive disease. The Ktrans of primary lung tumor before induction immunochemotherapy yielded the best performance in predicting the treatment response, with an AUC of 0.800. Patients were categorized into two groups: high-Ktrans group (n=67, Ktrans>164.3×10-3/min) and low-Ktrans group (n=44, Ktrans≤164.3×10-3/min) based on the ROC analysis. The high-Ktrans group had a significantly higher objective response rate than the low-Ktrans group (85.1% (57/67) vs 22.7% (10/44), p<0.001). The high-Ktrans group also presented better PFS (median: 21.1 vs 11.3 months, p=0.002) and OS (median: 34.3 vs 15.6 months, p=0.035) than the low-Ktrans group. CONCLUSIONS Pretreatment Ktrans value emerged as a significant predictor of the early response to induction immunochemotherapy and survival outcomes in unresectable stage III NSCLC patients who underwent immunotherapy-based multimodal treatments. Elevated Ktrans values correlated positively with enhanced treatment response, leading to extended PFS and OS durations.
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Affiliation(s)
- DaQuan Wang
- Department of Radiation Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong, China
| | - SongRan Liu
- Department of Pathology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong, China
| | - Jia Fu
- Department of Pathology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong, China
| | - PengXin Zhang
- Department of Radiation Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong, China
| | - ShiYang Zheng
- Department of Radiation Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong, China
| | - Bo Qiu
- Department of Radiation Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong, China
| | - Hui Liu
- United Imaging Healthcare, ShangHai, China
| | - YongQuan Ye
- United Imaging of Healthcare America, Houston, Texas, USA
| | - JinYu Guo
- Department of Radiation Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong, China
| | - Yin Zhou
- SuZhou TongDiao Company, Suzhou, China
| | | | - ShaoHan Yin
- Department of Radiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong, China
| | - HaoQiang He
- Department of Radiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong, China
| | - ChuanMiao Xie
- Department of Radiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong, China
| | - Hui Liu
- Department of Radiation Oncology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Collaborative Innovation Center of Cancer Medicine, Guangzhou, Guangdong, China
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Ohmatsu K, Omatsu T, Okonogi N, Ikoma Y, Murata K, Kishimoto R, Obata T, Yamada S, Karasawa K. Changes in Intratumor Blood Flow After Carbon-Ion Radiation Therapy for Early-Stage Breast Cancer. Int J Part Ther 2024; 12:100018. [PMID: 39022118 PMCID: PMC11252070 DOI: 10.1016/j.ijpt.2024.100018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 04/01/2024] [Accepted: 04/04/2024] [Indexed: 07/20/2024] Open
Abstract
Purpose This study aimed to quantify the changes in intratumoral blood flow after carbon-ion radiation therapy (CIRT) for early-stage breast cancer and analyze their clinical significance. Patients and Methods We included 38 patients with early-stage breast cancer who underwent CIRT. Dynamic imaging was performed using a 3T superconducting magnetic resonance scanner to quantify the washin index (idx), which reflects contrast uptake, and washout idx, which reflects the rate of contrast washout from tumor tissue. The changes in the apparent diffusion coefficient, washin idx, and washout idx were examined before CIRT and at 1 and 3 months after treatment. Clinical factors and imaging features were examined using univariate and receiver operating characteristic curve analyses to identify factors predicting clinical complete response (cCR). Results The median observation period after CIRT was 51 (range: 12-122) months. During the observation period, 31 of the 38 patients achieved cCR, and 22 achieved cCR within 12 months. Tumor size (P < .001), washin idx (P = .043), and washout idx (P < .001) decreased significantly 1-month after CIRT. In contrast, the apparent diffusion coefficient values (P < .001) increased significantly 1-month after CIRT. Univariate analysis suggested that the washin idx after 1 and 3 months of CIRT was associated with cCR by 12 months post-CIRT (P = .028 and .021, respectively). No other parameters were associated with cCR by 12 months post-CIRT. Furthermore, receiver operating characteristic curve analyses showed that the area under the curve values of washin idx after 1 and 3 months of CIRT was 0.78 (specificity 75%, sensitivity 80%) and 0.73 (specificity 75%, sensitivity 71%), respectively. Conclusion Tumor changes can be quantified early after CIRT using contrast-enhanced magnetic resonance imaging in patients with breast cancer. Washin idx values 1 and 3 months after CIRT were associated with cCR within 12 months post-CIRT.
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Affiliation(s)
- Kenta Ohmatsu
- Department of Radiation Oncology, Tokyo Women’s Medical University School of Medicine, Tokyo, Japan
| | - Tokuhiko Omatsu
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - Noriyuki Okonogi
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
- Department of Radiation Oncology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Yoko Ikoma
- Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - Kazutoshi Murata
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - Riwa Kishimoto
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - Takayuki Obata
- Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - Shigeru Yamada
- QST Hospital, National Institutes for Quantum Science and Technology, Chiba, Japan
| | - Kumiko Karasawa
- Department of Radiation Oncology, Tokyo Women’s Medical University School of Medicine, Tokyo, Japan
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Conte M, Woodall RT, Gutova M, Chen BT, Shiroishi MS, Brown CE, Munson JM, Rockne RC. Structural and practical identifiability of contrast transport models for DCE-MRI. PLoS Comput Biol 2024; 20:e1012106. [PMID: 38748755 PMCID: PMC11132485 DOI: 10.1371/journal.pcbi.1012106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 05/28/2024] [Accepted: 04/24/2024] [Indexed: 05/28/2024] Open
Abstract
Contrast transport models are widely used to quantify blood flow and transport in dynamic contrast-enhanced magnetic resonance imaging. These models analyze the time course of the contrast agent concentration, providing diagnostic and prognostic value for many biological systems. Thus, ensuring accuracy and repeatability of the model parameter estimation is a fundamental concern. In this work, we analyze the structural and practical identifiability of a class of nested compartment models pervasively used in analysis of MRI data. We combine artificial and real data to study the role of noise in model parameter estimation. We observe that although all the models are structurally identifiable, practical identifiability strongly depends on the data characteristics. We analyze the impact of increasing data noise on parameter identifiability and show how the latter can be recovered with increased data quality. To complete the analysis, we show that the results do not depend on specific tissue characteristics or the type of enhancement patterns of contrast agent signal.
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Affiliation(s)
- Martina Conte
- Department of Mathematical Sciences “G. L. Lagrange”, Politecnico di Torino, Torino, Italy
- Division of Mathematical Oncology and Computational Systems Biology, Department of Computational and Quantitative Medicine, Beckman Research Institute, City of Hope National Medical Center, Duarte, California, United States of America
| | - Ryan T. Woodall
- Division of Mathematical Oncology and Computational Systems Biology, Department of Computational and Quantitative Medicine, Beckman Research Institute, City of Hope National Medical Center, Duarte, California, United States of America
| | - Margarita Gutova
- Department of Stem Cell Biology and Regenerative Medicine, Beckman Research Institute, City of Hope National Medical Center, Duarte, California, United States of America
| | - Bihong T. Chen
- Department of Diagnostic Radiology, City of Hope National Medical Center, Duarte, California, United States of America
| | - Mark S. Shiroishi
- Department of Radiology, Keck School of Medicine of the University of Southern California, Los Angeles, California, United States of America
| | - Christine E. Brown
- Departments of Hematology & Hematopoietic Cell Transplantation and Immuno-Oncology, Beckman Research Institute, City of Hope National Medical Center Duarte, California, United States of America
| | - Jennifer M. Munson
- Fralin Biomedical Research Institute, Virginia Tech, Roanoke, Virginia, United States of America
| | - Russell C. Rockne
- Division of Mathematical Oncology and Computational Systems Biology, Department of Computational and Quantitative Medicine, Beckman Research Institute, City of Hope National Medical Center, Duarte, California, United States of America
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4
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Song PN, Lynch SE, DeMellier CT, Mansur A, Gallegos CA, Wright BD, Hartman YE, Minton LE, Lapi SE, Warram JM, Sorace AG. Dual anti-HER2/EGFR inhibition synergistically increases therapeutic effects and alters tumor oxygenation in HNSCC. Sci Rep 2024; 14:3771. [PMID: 38355949 PMCID: PMC10866896 DOI: 10.1038/s41598-024-52897-5] [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] [Received: 05/15/2023] [Accepted: 01/24/2024] [Indexed: 02/16/2024] Open
Abstract
Epidermal growth factor receptor (EGFR), human epidermal growth factor receptor 2 (HER2), and hypoxia are associated with radioresistance. The goal of this study is to study the synergy of anti-HER2, trastuzumab, and anti-EGFR, cetuximab, and characterize the tumor microenvironment components that may lead to increased radiation sensitivity with dual anti-HER2/EGFR therapy in head and neck squamous cell carcinoma (HNSCC). Positron emission tomography (PET) imaging ([89Zr]-panitumumab and [89Zr]-pertuzumab) was used to characterize EGFR and HER2 in HNSCC cell line tumors. HNSCC cells were treated with trastuzumab, cetuximab, or combination followed by radiation to assess for viability and radiosensitivity (colony forming assay, immunofluorescence, and flow cytometry). In vivo, [18F]-FMISO-PET imaging was used to quantify changes in oxygenation during treatment. Bliss Test of Synergy was used to identify combination treatment synergy. Quantifying EGFR and HER2 receptor expression revealed a 50% increase in heterogeneity of HER2 relative to EGFR. In vitro, dual trastuzumab-cetuximab therapy shows significant decreases in DNA damage response and increased response to radiation therapy (p < 0.05). In vivo, tumors treated with dual anti-HER2/EGFR demonstrated decreased tumor hypoxia, when compared to single agent therapies. Dual trastuzumab-cetuximab demonstrates synergy and can affect tumor oxygenation in HNSCC. Combination trastuzumab-cetuximab modulates the tumor microenvironment through reductions in tumor hypoxia and induces sustained treatment synergy.
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Affiliation(s)
- Patrick N Song
- Department of Radiology, The University of Alabama at Birmingham, 1670 University Blvd, Birmingham, AL, 35233, USA
- Graduate Biomedical Sciences, The University of Alabama at Birmingham, Birmingham, USA
| | - Shannon E Lynch
- Department of Radiology, The University of Alabama at Birmingham, 1670 University Blvd, Birmingham, AL, 35233, USA
- Graduate Biomedical Sciences, The University of Alabama at Birmingham, Birmingham, USA
| | - Chloe T DeMellier
- Department of Biomedical Engineering, The University of Alabama at Birmingham, Birmingham, USA
| | - Ameer Mansur
- Department of Biomedical Engineering, The University of Alabama at Birmingham, Birmingham, USA
| | - Carlos A Gallegos
- Department of Biomedical Engineering, The University of Alabama at Birmingham, Birmingham, USA
| | - Brian D Wright
- Department of Radiology, The University of Alabama at Birmingham, 1670 University Blvd, Birmingham, AL, 35233, USA
| | - Yolanda E Hartman
- Department of Otolaryngology, The University of Alabama at Birmingham, Birmingham, USA
| | - Laura E Minton
- Department of Otolaryngology, The University of Alabama at Birmingham, Birmingham, USA
| | - Suzanne E Lapi
- Department of Radiology, The University of Alabama at Birmingham, 1670 University Blvd, Birmingham, AL, 35233, USA
- O'Neal Comprehensive Cancer Center, The University of Alabama at Birmingham, Birmingham, USA
| | - Jason M Warram
- Department of Radiology, The University of Alabama at Birmingham, 1670 University Blvd, Birmingham, AL, 35233, USA
- Department of Biomedical Engineering, The University of Alabama at Birmingham, Birmingham, USA
- Department of Otolaryngology, The University of Alabama at Birmingham, Birmingham, USA
- O'Neal Comprehensive Cancer Center, The University of Alabama at Birmingham, Birmingham, USA
| | - Anna G Sorace
- Department of Radiology, The University of Alabama at Birmingham, 1670 University Blvd, Birmingham, AL, 35233, USA.
- Department of Biomedical Engineering, The University of Alabama at Birmingham, Birmingham, USA.
- O'Neal Comprehensive Cancer Center, The University of Alabama at Birmingham, Birmingham, USA.
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Lu Y, Zhang T, Yang S, Yang B, Li J, Liu H, Yao D, Ren G, Wang D. Dynamic Contrast-Enhanced MRI Assessing Antifibrotic Therapeutic Effects of Pancreatic Fibrosis with Curcumin - An Experimental Study at 11.7 T. Acad Radiol 2023; 30 Suppl 1:S230-S237. [PMID: 37453883 DOI: 10.1016/j.acra.2023.05.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 05/24/2023] [Accepted: 05/27/2023] [Indexed: 07/18/2023]
Abstract
RATIONALE AND OBJECTIVES Pancreatic fibrosis is the hallmark of chronic pancreatitis (CP), which is associated with microcirculatory disturbance. Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) can assess the perfusion and permeability of the pancreas by providing information about microcirculation. We hypothesize that DCE-MRI parameters can be utilized to assess pancreatic fibrosis and may furthermore provide an opportunity to evaluate response to antifibrotic treatment with curcumin. Our study was to evaluate the feasibility of quantitative DCE-MRI in assessing pancreatic fibrosis and the antifibrotic effect of curcumin in a rat model of CP. MATERIALS AND METHODS Pancreatic fibrosis was induced by injecting dibutyltin dichloride (DBTC). Seventy rats were randomized to five groups: the control group (n = 10); DBTC for 2 weeks (n = 15); DBTC for 4 weeks (n = 15); DBTC + curcumin for 2 weeks (n = 15); DBTC + curcumin for 4 weeks (n = 15). DCE-MRI was performed at an 11.7 T MR scanner. DCE-MRI quantitative parameters (Ktrans, Ve, and Vp) were derived from an extended Tofts model. Fibrosis content and DCE-MRI parameters were compared among the above groups (one-way analysis of variance). The correlations between DCE-MRI parameters and pancreatic fibrosis content as well as the expression of α-SMA were computed by Spearman correlation coefficients. RESULTS Fifty-three rats survived and underwent MR imaging. Ktrans in rats 4 weeks after DBTC injection was significantly lower than DBTC 2 weeks rats and control rats (0.30 ± 0.06 min vs 0.49 ± 0.09 vs 0.62 ± 0.09, respectively). Vp in DBTC 4 weeks rats was also significantly lower than control rats (0.048 ± 0.010 min-1 vs 0.065 ± 0.011 min-1, respectively). Ktrans and Vp significantly correlated with fibrosis content of pancreas (r = -0.619 and -0.450, all P < 0.001), and the expression of α-SMA (r = -0.688 and -0.402, all P < 0.01). Ktrans and Vp in rats with daily curcumin treatment for 4 weeks were significantly higher than DBTC 4 weeks rats (Ktrans, 0.51 ± 0.09 vs 0.30 ± 0.06; Vp, 0.064 ± 0.015 vs 0.048 ± 0.010). CONCLUSION DCE-MRI parameters (Ktrans and Vp) have the potential to noninvasively assess pancreatic fibrosis and the antifibrotic treatment response of curcumin.
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Affiliation(s)
- Yimei Lu
- Department of Radiology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China (Y.L., T.Z., S.Y., J.L., H.L., D.Y., G.R., D.W.).
| | - Tingting Zhang
- Department of Radiology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China (Y.L., T.Z., S.Y., J.L., H.L., D.Y., G.R., D.W.).
| | - Shuyan Yang
- Department of Radiology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China (Y.L., T.Z., S.Y., J.L., H.L., D.Y., G.R., D.W.).
| | - Baofeng Yang
- Institute of Science and Technology for Brain-Inspired Intelligence, Fudan University, Shanghai 200433, China (B.Y.); Human Phenome Institute, Fudan University, Shanghai 200433, China (B.Y.).
| | - Jinning Li
- Department of Radiology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China (Y.L., T.Z., S.Y., J.L., H.L., D.Y., G.R., D.W.).
| | - Huanhuan Liu
- Department of Radiology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China (Y.L., T.Z., S.Y., J.L., H.L., D.Y., G.R., D.W.).
| | - Defan Yao
- Department of Radiology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China (Y.L., T.Z., S.Y., J.L., H.L., D.Y., G.R., D.W.).
| | - Gang Ren
- Department of Radiology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China (Y.L., T.Z., S.Y., J.L., H.L., D.Y., G.R., D.W.).
| | - Dengbin Wang
- Department of Radiology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China (Y.L., T.Z., S.Y., J.L., H.L., D.Y., G.R., D.W.).
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Civil YA, Jonker LW, Groot Koerkamp MPM, Duvivier KM, de Vries R, Oei AL, Slotman BJ, van der Velde S, van den Bongard HJGD. Preoperative Partial Breast Irradiation in Patients with Low-Risk Breast Cancer: A Systematic Review of Literature. Ann Surg Oncol 2023; 30:3263-3279. [PMID: 36869253 PMCID: PMC10175515 DOI: 10.1245/s10434-023-13233-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 01/29/2023] [Indexed: 03/05/2023]
Abstract
BACKGROUND Preoperative instead of standard postoperative partial breast irradiation (PBI) after breast-conserving surgery (BCS) has the advantage of reducing the irradiated breast volume, toxicity, and number of radiotherapy sessions and can allow tumor downstaging. In this review, we assessed tumor response and clinical outcomes after preoperative PBI. PATIENTS AND METHODS We conducted a systematic review of studies on preoperative PBI in patients with low-risk breast cancer using the databases Ovid Medline, Embase.com, Web of Science (Core Collection), and Scopus (PROSPERO registration CRD42022301435). References of eligible manuscripts were checked for other relevant manuscripts. The primary outcome measure was pathologic complete response (pCR). RESULTS A total of eight prospective and one retrospective cohort study were identified (n = 359). In up to 42% of the patients, pCR was obtained and this increased after a longer interval between radiotherapy and BCS (0.5-8 months). After a maximum median follow-up of 5.0 years, three studies on external beam radiotherapy reported low local recurrence rates (0-3%) and overall survival of 97-100%. Acute toxicity consisted mainly of grade 1 skin toxicity (0-34%) and seroma (0-31%). Late toxicity was predominantly fibrosis grade 1 (46-100%) and grade 2 (10-11%). Cosmetic outcome was good to excellent in 78-100% of the patients. CONCLUSIONS Preoperative PBI showed a higher pCR rate after a longer interval between radiotherapy and BCS. Mild late toxicity and good oncological and cosmetic outcomes were reported. In the ongoing ABLATIVE-2 trial, BCS is performed at a longer interval of 12 months after preoperative PBI aiming to achieve a higher pCR rate.
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Affiliation(s)
- Yasmin A Civil
- Department of Radiation Oncology, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands.
- Cancer Center Amsterdam, Cancer Treatment and Quality of Life, Amsterdam, The Netherlands.
| | - Lysanne W Jonker
- Department of Radiation Oncology, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Maartje P M Groot Koerkamp
- Department of Radiation Oncology, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Katya M Duvivier
- Department of Radiology, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Ralph de Vries
- Medical Library, Vrije Universiteit, Amsterdam, The Netherlands
| | - Arlene L Oei
- Department of Radiation Oncology, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands
- Laboratory for Experimental Oncology and Radiobiology, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands
- Center for Experimental Molecular Medicine, Amsterdam UMC Location University of Amsterdam, Amsterdam, The Netherlands
- Cancer Center Amsterdam, Cancer Biology and Immunology, Amsterdam, The Netherlands
| | - Berend J Slotman
- Department of Radiation Oncology, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Cancer Center Amsterdam, Cancer Treatment and Quality of Life, Amsterdam, The Netherlands
| | - Susanne van der Velde
- Department of Surgery, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - H J G Desirée van den Bongard
- Department of Radiation Oncology, Amsterdam UMC Location Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Cancer Center Amsterdam, Cancer Treatment and Quality of Life, Amsterdam, The Netherlands
- Cancer Center Amsterdam, Cancer Biology and Immunology, Amsterdam, The Netherlands
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DiCarlo JC, Jarrett AM, Kazerouni AS, Virostko J, Sorace A, Slavkova KP, Woodard S, Avery S, Patt D, Goodgame B, Yankeelov TE. Analysis of simplicial complexes to determine when to sample for quantitative DCE MRI of the breast. Magn Reson Med 2023; 89:1134-1150. [PMID: 36321574 PMCID: PMC9792438 DOI: 10.1002/mrm.29511] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 10/09/2022] [Accepted: 10/13/2022] [Indexed: 12/27/2022]
Abstract
PURPOSE A method is presented to select the optimal time points at which to measure DCE-MRI signal intensities, leaving time in the MR exam for high-spatial resolution image acquisition. THEORY Simplicial complexes are generated from the Kety-Tofts model pharmacokinetic parameters Ktrans and ve . A geometric search selects optimal time points for accurate estimation of perfusion parameters. METHODS The DCE-MRI data acquired in women with invasive breast cancer (N = 27) were used to retrospectively compare parameter maps fit to full and subsampled time courses. Simplicial complexes were generated for a fixed range of Kety-Tofts model parameters and for the parameter ranges weighted by estimates from the fully sampled data. The largest-area manifolds determined the optimal three time points for each case. Simulations were performed along with retrospectively subsampled data fits. The agreement was computed between the model parameters fit to three points and those fit to all points. RESULTS The optimal three-point sample times were from the data-informed simplicial complex analysis and determined to be 65, 204, and 393 s after arrival of the contrast agent to breast tissue. In the patient data, tumor-median parameter values fit using all points and the three selected time points agreed with concordance correlation coefficients of 0.97 for Ktrans and 0.67 for ve . CONCLUSION It is possible to accurately estimate pharmacokinetic parameters from three properly selected time points inserted into a clinical DCE-MRI breast exam. This technique can provide guidance on when to capture images for quantitative data between high-spatial-resolution DCE-MRI images.
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Affiliation(s)
- Julie C. DiCarlo
- The Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, Texas, USA
- Livestrong Cancer Institutes, The University of Texas at Austin, Austin, Texas, USA
| | - Angela M. Jarrett
- The Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, Texas, USA
| | | | - John Virostko
- The Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, Texas, USA
- Livestrong Cancer Institutes, The University of Texas at Austin, Austin, Texas, USA
- Department of Diagnostic Medicine, The University of Texas at Austin, Austin, TX, USA
| | - Anna Sorace
- Department of Radiology, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Biomedical Engineering, University of Alabama at Birmingham, Birmingham, AL, USA
- O’Neal Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Kalina P. Slavkova
- Department of Physics, The University of Texas at Austin, Austin, TX, USA
| | - Stefanie Woodard
- Department of Radiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Sarah Avery
- Department of Diagnostic Medicine, The University of Texas at Austin, Austin, TX, USA
- Austin Radiological Association, Austin, TX, USA
| | | | - Boone Goodgame
- Department of Oncology, University of Texas at Austin, Austin, Texas, USA
- Department of Internal Medicine, University of Texas at Austin, Austin, Texas, USA
- Ascension Seton Medical Center, Austin, TX, USA
| | - Thomas E. Yankeelov
- The Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, Texas, USA
- Livestrong Cancer Institutes, The University of Texas at Austin, Austin, Texas, USA
- Department of Diagnostic Medicine, The University of Texas at Austin, Austin, TX, USA
- Department of Oncology, University of Texas at Austin, Austin, Texas, USA
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX, USA
- Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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