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Zhang MM, Chen YK, Shi L, Ma J, Jia JD, Zhao XW. Comparing the survival rates of patients with stage IIIC endometrial cancer undergoing sandwich therapy to those undergoing sequential chemotherapy and radiotherapy: a meta-analysis. Clin Transl Oncol 2024; 26:1329-1337. [PMID: 38079088 DOI: 10.1007/s12094-023-03355-7] [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: 09/28/2023] [Accepted: 11/13/2023] [Indexed: 05/22/2024]
Abstract
BACKGROUND The use of additional treatment after surgery for stage IIIC endometrial cancer (EC) according to the Federation of Gynecology and Obstetrics (FIGO) is still a topic of discussion. This meta-analysis examined the effects of sandwich treatment and sequential treatment on the survival of individuals diagnosed with stage IIIC EC. METHODS We examined the literature from various databases regarding the overall survival (OS) and adverse effects of the two additional therapies following surgery in individuals diagnosed with stage IIIC EC. Revman 5.4.1 was utilized to combine hazard ratios (HR) and their corresponding 95% confidence intervals (95% CI) for OS and toxicities. RESULTS The findings comprised of five retrospective investigations involving a combined total of 800 individuals. The patients who underwent sandwich treatment did not demonstrate a notable improvement in survival rates over a period of 3 years. Upon eliminating the impact of extensive samples, it was discovered that sandwich therapy exhibited a superior 5-year overall survival compared to patients receiving sequential therapy. The effectiveness of sandwich therapy was superior to sequential therapy in terms of a 3-year OS for non-endometrioid histology, although the outcome did not reach statistical significance. The toxicities of both treatments were similar. CONCLUSIONS In terms of long-term survival, sandwich therapy was found to be more advantageous than sequential therapy for patients with stage IIIC EC, with no significant disparity observed in the 3-year OS and toxicities between the two treatments. Sandwich therapy exhibited a tendency towards improved effectiveness in patients with histology other than endometrioid.
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Affiliation(s)
- Meng-Meng Zhang
- Department of Obstetrics and Gynecology, Fourth Hospital, Hebei Medical University, Shijiazhuang, Jiankanglu 12, Shijiazhuang, 050011, China
| | - Yu-Kun Chen
- Department of Obstetrics and Gynecology, Fourth Hospital, Hebei Medical University, Shijiazhuang, Jiankanglu 12, Shijiazhuang, 050011, China
| | - Li Shi
- Department of Obstetrics and Gynecology, Fourth Hospital, Hebei Medical University, Shijiazhuang, Jiankanglu 12, Shijiazhuang, 050011, China
| | - Jing Ma
- Department of Obstetrics and Gynecology, Fourth Hospital, Hebei Medical University, Shijiazhuang, Jiankanglu 12, Shijiazhuang, 050011, China
| | - Jing-De Jia
- Department of Obstetrics and Gynecology, Fourth Hospital, Hebei Medical University, Shijiazhuang, Jiankanglu 12, Shijiazhuang, 050011, China
| | - Xi-Wa Zhao
- Department of Obstetrics and Gynecology, Fourth Hospital, Hebei Medical University, Shijiazhuang, Jiankanglu 12, Shijiazhuang, 050011, China.
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Tong N, Kumar A, Gelowitz G, Tinker A, Holloway C, Ko J. Impact of the adjuvant management and risk factors on survival in FIGO stage 3 endometrial cancer patients. Front Oncol 2023; 13:1035511. [PMID: 37091159 PMCID: PMC10117830 DOI: 10.3389/fonc.2023.1035511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 03/27/2023] [Indexed: 04/08/2023] Open
Abstract
ObjectivePatients with FIGO stage III endometrial cancer routinely receive adjuvant therapy. The purpose of this study was to evaluate overall survival (OS) and disease-free survival (DFS) in patients with stage IIIA to IIIC2 patients by treatment modality received and risk factors.Materials/methodsPatients with stage III endometrial cancer treated from 2000-2010 were identified in the provincial cancer registry. Clinicopathologic characteristics, adjuvant treatments and outcomes were compared using descriptive and multivariable analyses.Results261 patients had stage 3 endometrial cancer, 132 with stage IIIA, 9 with IIIB, 85 with IIIC1 and 35 with IIIC2. 39 had FIGO grade 1 disease; 73, grade 2; 147, grade 3. 160 had endometrioid and 35 had serous carcinoma. 161 patients received sequential adjuvant chemotherapy (CT) and radiotherapy (RT); 33 received RT only; 32 received CT only; 35 received neither. 5-year (5Y) DFS and OS were similar among stage IIIA (DFS 46.7%, OS 58.5%), IIIB (DFS 50.8%, OS 58.5%), IIIC1 (DFS 44%, OS 49.9%) and IIIC2 (DFS 42%, OS 41.6%). Use of adjuvant RT was associated with improved median DFS (53.7 vs 14.7m, p<0.00001) and OS (61.9 vs 25.7m, p<0.00001) compared to no RT. Likewise, use of adjuvant CT was also associated with improved DFS (54.8 vs 16.5m, p<0.00001) and OS (62.9 vs 26.5m, p<0.00001) compared to no CT. Those who received both chemotherapy and radiotherapy had better outcomes with 5-year DFS (58.3%) and OS (65.2%), compared with those who received monotherapy. On multivariate analysis, grade 3 disease, deep myometrial invasion >50%, and no adjuvant RT or CT were identified as adversely impacting DFS and OS.ConclusionIn stage III endometrial cancer patients, use of both chemotherapy and radiation therapy was associated with improved DFS and OS and therefore should be recommended in all eligible patients after resection.
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Affiliation(s)
- Nora Tong
- Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Aalok Kumar
- Department of Medical Oncology, British Columbia (BC) Cancer - Surrey, Surrey, BC, Canada
| | - Gerald Gelowitz
- Department of Radiation Oncology, British Columbia (BC) Cancer – Abbotsford, Abbotsford, BC, Canada
| | - Anna Tinker
- Department of Medical Oncology, British Columbia (BC) Cancer - Vancouver, Vancouver, BC, Canada
| | - Caroline Holloway
- Department of Radiation Oncology, British Columbia (BC) Cancer - Victoria, Victoria, BC, Canada
| | - Jenny Ko
- Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
- Department of Medical Oncology, British Columbia (BC) Cancer – Abbotsford, Abbotsford, BC, Canada
- *Correspondence: Jenny Ko,
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Winarto H, Ibrahim NAA, Putri YM, Adnan FDSF, Safitri ED. Adjuvant chemoradiotherapy versus chemotherapy or radiotherapy in advanced endometrial cancer: a systematic review and meta-analysis. PeerJ 2022; 10:e14420. [PMID: 36438578 PMCID: PMC9695495 DOI: 10.7717/peerj.14420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 10/28/2022] [Indexed: 11/23/2022] Open
Abstract
Background Endometrial cancer is one of the most common gynecological cancer in the world. However, the available adjuvant therapies, chemotherapy (CT) and radiotherapy (RT), demonstrated several limitations when used alone. Therefore, we conducted a meta-analysis to investigate the clinical effectiveness of chemoradiotherapy (CRT) based on overall survival (OS) and disease-free survival (DFS). Methods A literature search was performed on five databases and one clinical trial registry to obtain all relevant articles. Search for studies was completed on September 9, 2021. A meta-analysis was conducted to determine the overall hazard ratio with the 95% Confidence Interval. Results A total of 17 articles with 23,975 patients in the CRT vs RT group and 50,502 patients in the CRT vs CT group were included. The OS Hazard Ratios (HR) of CRT compared to RT was 0.66 (95% CI [0.59-0.75]; P < 0.00001). Compared to CT, the OS HR was 0.70 (95% CI [0.64-0.78]; P < 0.00001). CRT also significantly improved the DFS compared to CT only (HR 0.79, 95% CI [0.64-0.97]; P = 0.02) However, CRT did not improve the DFS compared to RT only, with HR of 0.71 (95% CI [0.46-1.09]; P = 0.12). Conclusion Adjuvant CRT can significantly improve OS compared to CT or RT alone and improve the DFS compared to CT alone in patients with advanced endometrial cancer. Further research is needed to identify the optimal CRT regimen, and to whom CRT will be most beneficial.
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Affiliation(s)
- Hariyono Winarto
- Gynecologic Oncology Division, Obstetrics and Gynecology Department, Dr. Cipto Mangunkusumo Hospital, Universitas Indonesia, Jakarta Pusat, Jakarta, Indonesia
| | | | - Yan M. Putri
- Faculty of Medicine, Universitas Indonesia, Jakarta Pusat, Jakarta, Indonesia
| | | | - Eka D. Safitri
- The Center for Clinical Epidemiology and Evidence-Based Medicine, Dr. Cipto Mangunkusumo Hospital, Universitas Indonesia, Jakarta Pusat, Jakarta, Indonesia
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Nasioudis D, Taunk NK, Ko EM, Haggerty AF, Cory L, Giuntoli RL, Kim SH, Latif NA. Addition of External Beam Radiation Therapy to Adjuvant Chemotherapy for Patients With Stage IIIC Uterine Endometrioid Carcinoma: Utilization and Outcomes. Am J Clin Oncol 2022; 45:373-378. [PMID: 35926158 DOI: 10.1097/coc.0000000000000927] [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: 11/26/2022]
Abstract
OBJECTIVES Evaluate whether the addition of external beam radiation (EBRT) to adjuvant chemotherapy with or without vaginal brachytherapy is associated with better survival for patients with stage IIIC endometrioid endometrial carcinoma. MATERIALS AND METHODS Patients diagnosed between 2010 and 2015 with apparent early-stage endometrioid adenocarcinoma, without a history of another tumor, who underwent hysterectomy with lymphadenectomy and had positive lymph nodes were identified in the National Cancer Database. Those who received adjuvant chemotherapy (defined as receipt of treatment within 6 mo from surgery) and had at least 1 month of follow-up were selected for further analysis. Overall survival was compared between patients who did and did not receive EBRT within 6 months from surgery with the log-rank test. A Cox model was also constructed to control for confounders. RESULTS A total of 3116 patients were identified; 1458 (46.8%) received chemotherapy without and 1658 (53.2%) with EBRT. Pathologic characteristics (tumor grade, size, endocervical, and lymph-vascular invasion) were comparable between the two groups. Patients who received external beam radiation had better survival compared with those who did not, P =0.001; 5-year overall survival rates were 83.1% and 77.9%, respectively. After controlling for patient age, race, presence of comorbidities, insurance status, tumor size, grade and endocervical invasion, and the presence of lymph-vascular invasion, the addition of EBRT was associated with a survival benefit (HR: 0.75, 95% CI: 0.62, 0.91). CONCLUSIONS For patients with endometrioid adenocarcinoma metastatic to the lymph nodes, addition of external beam radiation to adjuvant chemotherapy may be associated with a survival benefit.
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Affiliation(s)
| | - Neil K Taunk
- Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA
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Zhang G, Li H, Tian Z, Li X, Wang Z, Liang X, Wang Y, Shen X, Wang J. Adjuvant chemoradiotherapy versus chemotherapy alone in stage III endometrial cancer: A systematic review and meta-analysis. J Obstet Gynaecol Res 2022; 48:1888-1896. [PMID: 35384146 DOI: 10.1111/jog.15238] [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: 01/04/2022] [Revised: 03/01/2022] [Accepted: 03/16/2022] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To discuss the impact of chemoradiotherapy (CRT) on the survival of patients with stage III endometrial cancer (EC) compared with chemotherapy (CT) alone. METHODS Articles involving adjuvant CRT versus CT on survival in stage III EC were retrieved from PubMed and EMBASE. Hazard ratios (HRs) of overall survival (OS) and relapse-free survival (RFS) were collected and pooled, and publication bias was measured by Begg's and Egger's test. Quality of researches was measured by the Newcastle-Ottawa scale and the modified Jadad scale. RESULTS Eleven were included in the statistical analysis. A significant advantage of CRT over CT on OS was shown (HR 0.59, 95% CI 0.49-0.70). Further subgroup analysis suggested the advantage was mostly associated with stage IIIC (HR 0.63, 95% CI 0.52, 0.76]). A similar result favoring CRT was also reached on RFS (HR 0.66, 95% CI 0.47-0.93). No significant publication bias was observed. CONCLUSION CRT was associated with a better OS and RFS than CT alone in stage III EC patients.
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Affiliation(s)
- Guo Zhang
- Peking University People's Hospital, Beijing, China
| | - He Li
- Peking University People's Hospital, Beijing, China
| | - Zhao Tian
- Peking University People's Hospital, Beijing, China
| | - Xiaoping Li
- Peking University People's Hospital, Beijing, China
| | - Zhiqi Wang
- Peking University People's Hospital, Beijing, China
| | - Xudong Liang
- Peking University People's Hospital, Beijing, China
| | - Yue Wang
- Peking University People's Hospital, Beijing, China
| | - Xiaoyan Shen
- Peking University People's Hospital, Beijing, China
| | - Jianliu Wang
- Peking University People's Hospital, Beijing, China
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Management of inoperable endometrial cancer. Obstet Gynecol Sci 2022; 65:303-316. [PMID: 35345085 PMCID: PMC9304437 DOI: 10.5468/ogs.21219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 03/07/2022] [Indexed: 11/08/2022] Open
Abstract
Some endometrial cancer (EMC) patients are not good candidates for primary surgery. The three major types of treatment for inoperable EMC are radiation therapy, chemotherapy, or their combination as neoadjuvant treatment before surgery. Radiation therapy alone (of different modes) has been used as the sole definitive therapeutic modality, particularly for early-stage disease that is limited to the uterine body and cervix with or without parametrial invasion. The most common treatment modality is neoadjuvant treatment before surgery. Postoperative adjuvant treatment is also occasionally used, depending mainly on the sites of the disease and the results of surgery. Data on neoadjuvant hormonal or radiation therapy are limited, with studies focusing on laboratory outcomes or having only a small number of patients. Most neoadjuvant treatments before surgery involved chemotherapy and fewer combined chemoradiotherapy. Surgery was generally performed, particularly in patients who had shown responses or at least stable disease to neoadjuvant treatment. Perioperative outcomes after neoadjuvant treatment were superior to those after primary surgery, whereas survival data were still inconsistent. Features that had or tended to have a favorable prognosis were younger age, early-stage disease, response to neoadjuvant treatment, low preoperative cancer antigen-125 level, and optimal surgery. Among different modalities of neoadjuvant treatment, which has become a frequent mode of treatment, neoadjuvant chemotherapy was more common than radiation therapy alone or chemoradiation.
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Onal C, Oymak E, Yavas G. In Regard to Hathout et al. Int J Radiat Oncol Biol Phys 2021; 111:837-838. [PMID: 34560027 DOI: 10.1016/j.ijrobp.2021.06.044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 06/22/2021] [Indexed: 10/20/2022]
Affiliation(s)
- Cem Onal
- Department of Radiation Oncology, Başkent University Faculty of Medicine, Adana Dr Turgut Noyan Research and Treatment Center, Adana, Turkey; Department of Radiation Oncology, Baskent University Faculty of Medicine, Ankara, Turkey
| | - Ezgi Oymak
- Iskenderun Gelisim Hospital, Division of Radiation Oncology, Hatay, Turkey
| | - Guler Yavas
- Department of Radiation Oncology, Baskent University Faculty of Medicine, Ankara, Turkey
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8
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Montes de Oca MK, Albright BB, Secord AA, Havrilesky LJ, Moss HA. Adjuvant treatment and outcomes for patients with stage IIIA grade 1 endometrioid endometrial cancer. Int J Gynecol Cancer 2021; 31:1549-1556. [PMID: 34725205 DOI: 10.1136/ijgc-2021-002884] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 10/19/2021] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVE The role and type of adjuvant therapy for patients with International Federation of Gynecology and Obstetrics (FIGO) stage IIIA grade 1 endometrioid endometrial adenocarcinoma are controversial. This retrospective cohort study aimed to determine associations between adjuvant therapy use and survival among patients with stage IIIA grade 1 endometrial cancer. METHODS Patients who underwent primary surgery for stage IIIA (FIGO 2009 staging) grade 1 endometrial cancer between January 2004 and December 2016 were identified in the National Cancer Database. Demographics and receipt of adjuvant therapy were compared. Overall survival was analyzed using Kaplan-Meier curves, log-rank test, and multivariable Cox proportional hazard models. RESULTS Of 1120 patients, 248 (22.1%) received no adjuvant treatment, 286 (25.5%) received chemotherapy alone, 201 (18.0%) radiation alone, and 385 (34.4%) chemotherapy and radiation. Five-year overall survival rate was 83.0% (95% CI 80.1% to 85.6%). Older age, increasing comorbidity count, and lymphovascular space invasion status were significant negative predictors of survival. Over time, there was an increasing rate of chemotherapy (45.4% in 2004-2009 vs 69.2% in 2010-2016; p<0.001). In the multivariable analysis, chemotherapy was associated with significantly improved overall survival compared with no adjuvant therapy (HR 0.49 (95% CI 0.31 to 0.79); p=0.003). There was no survival association when comparing radiation alone with no treatment, and none when adding radiation to chemotherapy compared with chemotherapy alone. Those with lymphovascular space invasion (n=124/507) had improved overall survival with chemotherapy and radiation (5-year overall survival 91.2% vs 76.7% for chemotherapy alone and 27.3% for radiation alone, log-rank p<0.001), but there was no survival difference after adjusting for age and comorbidity (HR 0.25 (95% CI 0.05 to 1.41); p=0.12). CONCLUSIONS The use of adjuvant chemotherapy for the treatment of stage IIIA grade 1 endometrial cancer increased over time and was associated with improved overall survival compared with radiation alone or chemoradiation. Patients with lymphovascular space invasion may benefit from combination therapy.
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Affiliation(s)
| | - Benjamin B Albright
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, North Carolina, USA
| | - Angeles Alvarez Secord
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, North Carolina, USA
| | - Laura J Havrilesky
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, North Carolina, USA
| | - Haley A Moss
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Duke University Medical Center, Durham, North Carolina, USA
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Onal C, Sari SY, Yavas G, Guler OC, Yigit E, Oymak E, Gultekin M, Yildiz F. Impact of lymph node ratio in patients with stage IIIC endometrial carcinoma treated with postoperative radiotherapy. Future Oncol 2021; 17:3321-3330. [PMID: 34355983 DOI: 10.2217/fon-2020-1308] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: To evaluate the prognostic value of the lymph node ratio (LNR) and other clinicopathological factors in patients with stage IIIC endometrial cancer. Methods: Factors affecting overall survival (OS) and progression-free survival (PFS) were assessed in 397 patients with stage IIIC endometrial cancer treated with postoperative radiotherapy. Patients undergoing the removal of at least ten lymph nodes were included in the study. Results: The 5-year OS and PFS rates were 58% and 52%, respectively, with a median follow-up time of 35.7 months. The LNR cutoff value was 9.6%. In the multivariate analysis, advanced age (≥60 years), grade III tumor, presence of cervical stromal invasion, higher LNR and lack of adjuvant chemotherapy were independent predictors for worse OS and PFS. Conclusion: The LNR is an independent predictor for OS and PFS in patients with stage IIIC endometrial cancer treated with postoperative radiotherapy.
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Affiliation(s)
- Cem Onal
- Department of Radiation Oncology, Baskent University Faculty of Medicine, Adana Dr. Turgut Noyan Research & Treatment Center, Adana 01120, Turkey.,Department of Radiation Oncology, Baskent University Faculty of Medicine, Ankara 06490, Turkey
| | - Sezin Yuce Sari
- Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara 06230, Turkey
| | - Guler Yavas
- Department of Radiation Oncology, Baskent University Faculty of Medicine, Ankara 06490, Turkey
| | - Ozan Cem Guler
- Department of Radiation Oncology, Baskent University Faculty of Medicine, Adana Dr. Turgut Noyan Research & Treatment Center, Adana 01120, Turkey
| | - Ecem Yigit
- Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara 06230, Turkey
| | - Ezgi Oymak
- Division of Radiation Oncology, Iskenderun Gelisim Hospital, Hatay 31200, Turkey
| | - Melis Gultekin
- Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara 06230, Turkey
| | - Ferah Yildiz
- Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara 06230, Turkey
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10
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Buras AL, Mallen A, Wenham R, Montejo M. Stage IIIC endometrial cancer review: Current controversies in adjuvant therapy. Gynecol Oncol Rep 2021; 36:100754. [PMID: 33869712 PMCID: PMC8042429 DOI: 10.1016/j.gore.2021.100754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 03/09/2021] [Accepted: 03/13/2021] [Indexed: 12/16/2022] Open
Abstract
Stage IIIC is the most common stage of locally advanced sub-stage of endometrial cancer, nevertheless, the optimal management for these patients remains controversial. Adjuvant chemotherapy alone more effectively suppressed distant metastases but resulted in a higher rate of pelvic failure, while adjuvant radiation more effectively controlled pelvic recurrences but was associated with more frequent distant metastases. Two recent randomized trials, PORTEC3 and GOG 258, each have attempted to integrate multimodal therapy. However, heterogeneous cohorts analyzed together, including high risk stage I, stage III and stage IV, limit our ability to make conclusions specific to stage IIIC disease. Here, we review clinical evidence pertaining to management and outcomes with stage IIIC uterine carcinoma with brief discussion on evolving approaches. The studies reviewed demonstrate for stage IIIC disease radiation improves local control but does not confer an overall survival benefit and chemotherapy can improve overall survival. The data seem to suggest that aside from the possibility of defining subgroups that may confer an overall survival benefit from combined modality therapy, the future to improving survival lies in the exploration of better therapeutic regimens that will result from tailored biomarker-based therapy.
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Affiliation(s)
- Andrea L. Buras
- Department of Obstetrics and Gynecology, University of South Florida, Tampa, FL, USA
- Department of Gynecologic Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Adrianne Mallen
- Department of Gynecologic Oncology, Park Nicollet Methodist Hospital, Minneapolis, MN, USA
| | - Robert Wenham
- Department of Gynecologic Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Michael Montejo
- Department of Radiation Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
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11
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Concin N, Matias-Guiu X, Vergote I, Cibula D, Mirza MR, Marnitz S, Ledermann J, Bosse T, Chargari C, Fagotti A, Fotopoulou C, Martin AG, Lax S, Lorusso D, Marth C, Morice P, Nout RA, O'Donnell D, Querleu D, Raspollini MR, Sehouli J, Sturdza A, Taylor A, Westermann A, Wimberger P, Colombo N, Planchamp F, Creutzberg CL. ESGO/ESTRO/ESP guidelines for the management of patients with endometrial carcinoma. Radiother Oncol 2021; 154:327-353. [PMID: 33712263 DOI: 10.1016/j.radonc.2020.11.018] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A European consensus conference on endometrial carcinoma was held in 2014 to produce multidisciplinary evidence-based guidelines on selected questions. Given the large body of literature on the management of endometrial carcinoma published since 2014, the European Society of Gynaecological Oncology (ESGO), the European SocieTy for Radiotherapy & Oncology (ESTRO) and the European Society of Pathology (ESP) jointly decided to update these evidence-based guidelines and to cover new topics in order to improve the quality of care for women with endometrial carcinoma across Europe and worldwide. ESGO/ESTRO/ESP nominated an international multidisciplinary development group consisting of practicing clinicians and researchers who have demonstrated leadership and expertise in the care and research of endometrial carcinoma (27 experts across Europe). To ensure that the guidelines are evidence-based, the literature published since 2014, identified from a systematic search was reviewed and critically appraised. In the absence of any clear scientific evidence, judgment was based on the professional experience and consensus of the development group. The guidelines are thus based on the best available evidence and expert agreement. Prior to publication, the guidelines were reviewed by 191 independent international practitioners in cancer care delivery and patient representatives. The guidelines comprehensively cover endometrial carcinoma staging, definition of prognostic risk groups integrating molecular markers, pre- and intra-operative work-up, fertility preservation, management for early, advanced, metastatic, and recurrent disease and palliative treatment. Principles of radiotherapy and pathological evaluation are also defined.
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Affiliation(s)
- Nicole Concin
- Department of Gynecology and Obstetrics, Innsbruck Medical University, Austria; Evangelische Kliniken Essen-Mitte, Germany.
| | - Xavier Matias-Guiu
- Department of Pathology, Hospital Universitari Arnau de Vilanova, University of Lleida, CIBERONC, Irblleida, Spain; Department of Pathology, Hospital Universitari de Bellvitge, University of Barcelona, Idibell, Spain
| | - Ignace Vergote
- Department of Gynecology and Obstetrics, Gynecologic Oncology, Leuven Cancer Institute, Catholic University Leuven, Belgium
| | - David Cibula
- Department of Obstetrics and Gynecology, First Faculty of Medicine, Charles University, General University Hospital in Prague, Czech Republic
| | - Mansoor Raza Mirza
- Department of Oncology, Rigshospitalet, Copenhagen University Hospital, Denmark
| | - Simone Marnitz
- Department of Radiation Oncology, Medical Faculty of the University of Cologne, Germany
| | | | - Tjalling Bosse
- Department of Pathology, Leids Universitair Medisch Centrum, Leiden, Netherlands
| | - Cyrus Chargari
- Department of Radiation Oncology, Institut Gustave Roussy, Villejuif, France
| | - Anna Fagotti
- Division of Gynecologic Oncology, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy
| | - Christina Fotopoulou
- Department of Gynaecologic Oncology, Imperial College London Faculty of Medicine, UK
| | | | - Sigurd Lax
- Department of Pathology, Hospital Graz II, Austria; School of Medicine, Johannes Kepler University Linz, Austria
| | - Domenica Lorusso
- Division of Gynecologic Oncology, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy
| | - Christian Marth
- Department of Obstetrics and Gynecology, Innsbruck Medical University, Austria
| | - Philippe Morice
- Department of Surgery, Institut Gustave Roussy, Villejuif, France
| | - Remi A Nout
- Department of Radiotherapy, Erasmus MC Cancer Institute, Rotterdam, Netherlands
| | | | - Denis Querleu
- Division of Gynecologic Oncology, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy; Department of Obstetrics and Gynecologic Oncology, University Hospital, Strasbourg, France
| | - Maria Rosaria Raspollini
- Histopathology and Molecular Diagnostics, Azienda Ospedaliero Universitaria Careggi, Florence, Italy
| | - Jalid Sehouli
- Department of Gynecology with Center for Oncological Surgery, Campus Virchow Klinikum, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Germany
| | - Alina Sturdza
- Department of Radiation Oncology, Comprehensive Cancer Center, Christian Doppler Laboratory for Medical Radiation Research for Radiation Oncology, Medical University of Vienna, Austria
| | | | - Anneke Westermann
- Department of Medical Oncology, Amsterdam University Medical Centres, Noord-Holland, Netherlands
| | - Pauline Wimberger
- Department of Gynecology and Obstetrics, TU Dresden Medizinische Fakultat Carl Gustav Carus, Germany
| | - Nicoletta Colombo
- Gynecologic Oncology Program, European Institute of Oncology, IRCCS, Milan and University of Milan-Bicocca, Italy
| | | | - Carien L Creutzberg
- Department of Radiation Oncology, Leiden University Medical Center, Leiden Netherlands
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12
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Concin N, Creutzberg CL, Vergote I, Cibula D, Mirza MR, Marnitz S, Ledermann JA, Bosse T, Chargari C, Fagotti A, Fotopoulou C, González-Martín A, Lax SF, Lorusso D, Marth C, Morice P, Nout RA, O'Donnell DE, Querleu D, Raspollini MR, Sehouli J, Sturdza AE, Taylor A, Westermann AM, Wimberger P, Colombo N, Planchamp F, Matias-Guiu X. ESGO/ESTRO/ESP Guidelines for the management of patients with endometrial carcinoma. Virchows Arch 2021; 478:153-190. [PMID: 33604759 DOI: 10.1007/s00428-020-03007-z] [Citation(s) in RCA: 83] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A European consensus conference on endometrial carcinoma was held in 2014 to produce multidisciplinary evidence-based guidelines on selected questions. Given the large body of literature on the management of endometrial carcinoma published since 2014, the European Society of Gynaecological Oncology (ESGO), the European SocieTy for Radiotherapy & Oncology (ESTRO) and the European Society of Pathology (ESP) jointly decided to update these evidence-based guidelines and to cover new topics in order to improve the quality of care for women with endometrial carcinoma across Europe and worldwide. ESGO/ESTRO/ESP nominated an international multidisciplinary development group consisting of practicing clinicians and researchers who have demonstrated leadership and expertise in the care and research of endometrial carcinoma (27 experts across Europe). To ensure that the guidelines are evidence-based, the literature published since 2014, identified from a systematic search was reviewed and critically appraised. In the absence of any clear scientific evidence, judgment was based on the professional experience and consensus of the development group. The guidelines are thus based on the best available evidence and expert agreement. Prior to publication, the guidelines were reviewed by 191 independent international practitioners in cancer care delivery and patient representatives. The guidelines comprehensively cover endometrial carcinoma staging, definition of prognostic risk groups integrating molecular markers, pre- and intra-operative work-up, fertility preservation, management for early, advanced, metastatic, and recurrent disease and palliative treatment. Principles of radiotherapy and pathological evaluation are also defined.
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Affiliation(s)
- Nicole Concin
- Department of Gynecology and Obstetrics, Innsbruck Medical University, Innsbruck, Austria. .,Evangelische Kliniken Essen-Mitte, Essen, Germany.
| | - Carien L Creutzberg
- Department of Radiation Oncology, Leiden University Medical Center, Leiden, The Netherlands
| | - Ignace Vergote
- Department of Gynecology and Obstetrics, Gynecologic Oncology, Leuven Cancer Institute, Catholic University Leuven, Leuven, Belgium
| | - David Cibula
- Department of Obstetrics and Gynecology, First Faculty of Medicine, Charles University, General University Hospital in Prague, Prague, Czech Republic
| | - Mansoor Raza Mirza
- Department of Oncology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Simone Marnitz
- Department of Radiation Oncology, Medical Faculty of the University of Cologne, Cologne, Germany
| | | | - Tjalling Bosse
- Department of Pathology, Leids Universitair Medisch Centrum, Leiden, The Netherlands
| | - Cyrus Chargari
- Department of Radiation Oncology, Institut Gustave Roussy, Villejuif, France
| | - Anna Fagotti
- Division of Gynecologic Oncology, Fondazione Policlinico Universitario A Gemelli IRCCS, Roma, Italy
| | - Christina Fotopoulou
- Department of Gynaecologic Oncology, Imperial College London Faculty of Medicine, London, UK
| | | | - Sigurd F Lax
- Department of Pathology, Hospital Graz II, Graz, Austria.,School of Medicine, Johannes Kepler University Linz, Linz, Austria
| | - Domenica Lorusso
- Division of Gynecologic Oncology, Fondazione Policlinico Universitario A Gemelli IRCCS, Roma, Italy
| | - Christian Marth
- Department of Obstetrics and Gynecology, Innsbruck Medical University, Innsbruck, Austria
| | - Philippe Morice
- Department of Surgery, Institut Gustave Roussy, Villejuif, France
| | - Remi A Nout
- Department of Radiotherapy, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | | | - Denis Querleu
- Division of Gynecologic Oncology, Fondazione Policlinico Universitario A Gemelli IRCCS, Roma, Italy.,Department of Obstetrics and Gynecologic Oncology, University Hospital, Strasbourg, France
| | - Maria Rosaria Raspollini
- Histopathology and Molecular Diagnostics, Azienda Ospedaliero Universitaria Careggi, Florence, Italy
| | - Jalid Sehouli
- Department of Gynecology with Center for Oncological Surgery, Campus Virchow Klinikum, Charité-Universitätsmedizin Berlin, Berlin, Germany.,Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Alina E Sturdza
- Department of Radiation Oncology, Comprehensive Cancer Center, Christian Doppler Laboratory for Medical Radiation Research for Radiation Oncology, Medical University of Vienna, Vienna, Austria
| | | | - Anneke M Westermann
- Department of Medical Oncology, Amsterdam University Medical Centres, Amsterdam, Noord-Holland, The Netherlands
| | - Pauline Wimberger
- Department of Gynecology and Obstetrics, TU Dresden Medizinische Fakultat Carl Gustav Carus, Dresden, Germany
| | - Nicoletta Colombo
- Gynecologic Oncology Program, European Institute of Oncology, IRCCS, Milan and University of Milan-Bicocca, Milan, Italy
| | | | - Xavier Matias-Guiu
- Department of Pathology, Hospital Universitari Arnau de Vilanova, University of Lleida, CIBERONC, Irblleida, Spain.,Department of Pathology, Hospital Universitari de Bellvitge, University of Barcelona, Idibell, Spain
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13
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Fabian A, Krug D, Alkatout I. Radiotherapy and Its Intersections with Surgery in the Management of Localized Gynecological Malignancies: A Comprehensive Overview for Clinicians. J Clin Med 2020; 10:E93. [PMID: 33383960 PMCID: PMC7796321 DOI: 10.3390/jcm10010093] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 12/22/2020] [Accepted: 12/24/2020] [Indexed: 02/07/2023] Open
Abstract
Surgery, including minimally invasive surgery, and radiotherapy are key modalities in the treatment of gynecological malignancies. The aim of this review is to offer the multidisciplinary care team a comprehensive summary of the intersections of surgery and radiotherapy in the local treatment of gynecological malignancies. Recent advances in radiotherapy are highlighted. Relevant publications were identified through a review of the published literature. Ovarian, endometrial, cervical, vaginal, and vulvar cancer were included in the search. Current guidelines are summarized. The role of radiotherapy in adjuvant as well as definitive treatment of these entities is synthesized and put into context with surgery, focusing on survival and quality of life. Although these outcomes have improved recently, further research must be focused on the number of life years lost, and the potential morbidity encountered by patients.
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Affiliation(s)
- Alexander Fabian
- Department of Radiation Oncology, University Hospital of Schleswig-Holstein, Campus Kiel, Arnold-Heller-Str. 3, 24105 Kiel, Germany;
| | - David Krug
- Department of Radiation Oncology, University Hospital of Schleswig-Holstein, Campus Kiel, Arnold-Heller-Str. 3, 24105 Kiel, Germany;
| | - Ibrahim Alkatout
- Department of Obstetrics and Gynecology, University Hospital of Schleswig-Holstein, Campus Kiel, Arnold-Heller-Str. 3, 24105 Kiel, Germany
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14
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Concin N, Matias-Guiu X, Vergote I, Cibula D, Mirza MR, Marnitz S, Ledermann J, Bosse T, Chargari C, Fagotti A, Fotopoulou C, Gonzalez Martin A, Lax S, Lorusso D, Marth C, Morice P, Nout RA, O'Donnell D, Querleu D, Raspollini MR, Sehouli J, Sturdza A, Taylor A, Westermann A, Wimberger P, Colombo N, Planchamp F, Creutzberg CL. ESGO/ESTRO/ESP guidelines for the management of patients with endometrial carcinoma. Int J Gynecol Cancer 2020; 31:12-39. [PMID: 33397713 DOI: 10.1136/ijgc-2020-002230] [Citation(s) in RCA: 797] [Impact Index Per Article: 199.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Accepted: 11/16/2020] [Indexed: 12/13/2022] Open
Abstract
A European consensus conference on endometrial carcinoma was held in 2014 to produce multi-disciplinary evidence-based guidelines on selected questions. Given the large body of literature on the management of endometrial carcinoma published since 2014, the European Society of Gynaecological Oncology (ESGO), the European SocieTy for Radiotherapy and Oncology (ESTRO), and the European Society of Pathology (ESP) jointly decided to update these evidence-based guidelines and to cover new topics in order to improve the quality of care for women with endometrial carcinoma across Europe and worldwide.
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Affiliation(s)
- Nicole Concin
- Department of Gynecology and Obstetrics, Innsbruck Medical University, Innsbruck, Austria .,Evangelische Kliniken Essen-Mitte, Essen, Germany
| | - Xavier Matias-Guiu
- Department of Pathology, Hospital Universitari Arnau de Vilanova, University of Lleida, CIBERONC, Irblleida, Spain.,Department of Pathology, Hospital Universitari de Bellvitge, University of Barcelona, Idibell, Spain
| | - Ignace Vergote
- Department of Gynecology and Obstetrics, Gynecologic Oncology, Leuven Cancer Institute, Catholic University Leuven, Leuven, Belgium
| | - David Cibula
- Department of Obstetrics and Gynecology, First Faculty of Medicine, Charles University, General University Hospital in Prague, Prague, Czech Republic
| | - Mansoor Raza Mirza
- Department of Oncology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Simone Marnitz
- Department of Radiation Oncology, Medical Faculty of the University of Cologne, Cologne, Germany
| | | | - Tjalling Bosse
- Department of Pathology, Leids Universitair Medisch Centrum, Leiden, Netherlands
| | - Cyrus Chargari
- Department of Radiation Oncology, Institut Gustave Roussy, Villejuif, France
| | - Anna Fagotti
- Division of Gynecologic Oncology, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy
| | - Christina Fotopoulou
- Department of Gynaecologic Oncology, Imperial College London Faculty of Medicine, London, UK
| | | | - Sigurd Lax
- Department of Pathology, Hospital Graz II, Graz, Austria.,School of Medicine, Johannes Kepler University Linz, Linz, Austria
| | - Domenica Lorusso
- Division of Gynecologic Oncology, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy
| | - Christian Marth
- Department of Obstetrics and Gynecology, Innsbruck Medical University, Innsbruck, Austria
| | - Philippe Morice
- Department of Surgery, Institut Gustave Roussy, Villejuif, France
| | - Remi A Nout
- Department of Radiotherapy, Erasmus MC Cancer Institute, Rotterdam, Netherlands
| | | | - Denis Querleu
- Division of Gynecologic Oncology, Fondazione Policlinico Universitario A Gemelli IRCCS, Rome, Italy.,Department of Obstetrics and Gynecologic Oncology, University Hospital, Strasbourg, France
| | - Maria Rosaria Raspollini
- Histopathology and Molecular Diagnostics, Azienda Ospedaliero Universitaria Careggi, Florence, Italy
| | - Jalid Sehouli
- Department of Gynecology with Center for Oncological Surgery, Campus Virchow Klinikum, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin, Germany
| | - Alina Sturdza
- Department of Radiation Oncology, Comprehensive Cancer Center, Christian Doppler Laboratory for Medical Radiation Research for Radiation Oncology, Medical University of Vienna, Vienna, Austria
| | | | - Anneke Westermann
- Department of Medical Oncology, Amsterdam University Medical Centres, Amsterdam, Noord-Holland, Netherlands
| | - Pauline Wimberger
- Department of Gynecology and Obstetrics, TU Dresden Medizinische Fakultat Carl Gustav Carus, Dresden, Germany
| | - Nicoletta Colombo
- Gynecologic Oncology Program, European Institute of Oncology, IRCCS, Milan and University of Milan-Bicocca, Milan, Italy
| | | | - Carien L Creutzberg
- Department of Radiation Oncology, Leiden University Medical Center, Leiden, Netherlands
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15
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Sinha S, Lazar A, Lam A, Anderson EM, Chen LM, Hsu ICJ, Yoshida EJ. Adjuvant radiation followed by chemotherapy is associated with improved overall survival in endometrial cancer. Gynecol Oncol 2020; 159:30-35. [PMID: 32811681 DOI: 10.1016/j.ygyno.2020.07.098] [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: 05/30/2020] [Accepted: 07/23/2020] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Although multimodality therapy has been shown to improve outcomes for patients with high-risk endometrial carcinoma, optimal type and timing of adjuvant therapies is unknown. METHODS Patients with stage I-IVA endometrial carcinoma diagnosed from 2004 to 2015, and treated with surgery, chemotherapy, and radiation were identified in the National Cancer Database. Adjuvant treatment was categorized as sequential radiation followed by chemotherapy (RT-CT), concurrent chemoradiation (CCRT, RT and CT started within 7 days), or sequential chemotherapy followed by radiation (CT-RT). Analysis for propensity score matched (PSM) cohorts comparing RT-CT to CCRT and CT-RT groups was additionally performed. RESULTS A total of 17,070 patients were identified, including 12,402 (72.7%) treated with RT-CT, 2,153 (12.6%) with CCRT, and 2,515 (14.7%) with CT-RT. Median follow-up was 44.3 months. Five-year overall-survival (OS) by adjuvant treatment regimen was 77.3% (95% CI 76.4%-78.2%), 74.3% (95% CI 72.0%-76.3%), and 74.4% (95% CI 72.5%-76.3%), respectively (p < .001). When unmatched cohorts were stratified by stage, adjuvant RT-CT was associated with improved OS in stage I and III patients. A similar survival advantage associated with RT-CT was observed in PSM cohorts comparing RT-CT group to CCRT/CT-RT group (5-year OS 77.4% vs 74.2%, p = .001). However, the difference in OS was significant only among stage III patients (RT-CT 73.9% compared to CCRT/CT-RT 69.7%, p =.002). CONCLUSION Our findings suggest survival benefit with adjuvant RT-CT compared to CT-RT or CCRT in patients undergoing trimodality therapy for endometrial cancer. This survival benefit may be limited to stage III patients.
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Affiliation(s)
- Sumi Sinha
- Department of Radiation Oncology, University of California San Francisco, 1600 Divisadero St, Suite H1031, San Francisco, CA 94115, USA.
| | - Ann Lazar
- Department of Preventive and Restorative Dental Sciences, University of California San Francisco, 513 Parnassus Ave, San Francisco, CA 94143, USA; Department of Epidemiology and Biostatistics, University of California San Francisco, 550 16th Street, San Francisco, CA, USA.
| | - Alexander Lam
- Department of Radiology, University of California San Francisco, 505 Parnassus Ave, San Francisco, CA 94143, USA.
| | - Eric M Anderson
- Department of Radiation Oncology, Cedars-Sinai Medical Center, North Tower LL, 8700 Beverly Blvd, Los Angeles, CA 90048, USA.
| | - Lee-May Chen
- Division of Gynecologic Oncology, University of California San Francisco, 1825 4th St, San Francisco, CA 94115, USA.
| | - I-Chow J Hsu
- Department of Radiation Oncology, University of California San Francisco, 1600 Divisadero St, Suite H1031, San Francisco, CA 94115, USA.
| | - Emi J Yoshida
- Department of Radiation Oncology, University of California San Francisco, 1600 Divisadero St, Suite H1031, San Francisco, CA 94115, USA.
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16
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Onal C, Sari SY, Yildirim BA, Yavas G, Gultekin M, Guler OC, Akyurek S, Yildiz F. A multi-institutional analysis of sequential versus 'sandwich' adjuvant chemotherapy and radiotherapy for stage IIIC endometrial carcinoma. J Gynecol Oncol 2019; 30:e28. [PMID: 30887753 PMCID: PMC6424855 DOI: 10.3802/jgo.2019.30.e28] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 09/20/2018] [Accepted: 11/13/2018] [Indexed: 02/04/2023] Open
Abstract
Objective To analyze the outcomes of sequential or sandwich chemotherapy (ChT) and radiotherapy (RT) in patients with node-positive endometrial cancer (EC). Methods Data from 4 centers were collected retrospectively for 179 patients with stage IIIC EC treated with postoperative RT and ChT (paclitaxel and carboplatin). Patients were either treated with 6 cycles of ChT followed by RT (sequential arm; 96 patients) or with 3 cycles of ChT, RT, and an additional 3 cycles of ChT (sandwich arm; 83 patients). Prognostic factors affecting overall survival (OS) and progression-free survival (PFS) were analyzed. Results The 5-year OS and PFS rates were 64% and 59%, respectively, with a median follow-up of 41 months (range, 5–167 months). The 5-year OS rates were significantly higher in the sandwich than sequential arms (74% vs. 56%; p=0.03) and the difference for 5-year PFS rates was nearly significant (65% vs. 54%; p=0.05). In univariate analysis, treatment strategy, age, International Federation of Gynecology and Obstetrics (FIGO) stage, pathology, rate of myometrial invasion, and grade were prognostic factors for OS and PFS. In multivariate analysis, non-endometrioid histology, advanced FIGO stage, and adjuvant sequential ChT and RT were negative predictors for OS, whereas only non-endometrioid histology was a prognostic factor for PFS. Conclusion Postoperative adjuvant ChT and RT for stage IIIC EC patients, either given sequentially or sandwiched, offers excellent clinical efficacy and acceptably low toxicity. Our data support the superiority of the sandwich regimen compared to the sequential strategy in stage IIIC EC patients for OS.
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Affiliation(s)
- Cem Onal
- Department of Radiation Oncology, Baskent University Faculty of Medicine, Adana Dr. Turgut Noyan Research and Treatment Center, Adana, Turkey.
| | - Sezin Yuce Sari
- Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Berna Akkus Yildirim
- Department of Radiation Oncology, Baskent University Faculty of Medicine, Adana Dr. Turgut Noyan Research and Treatment Center, Adana, Turkey
| | - Guler Yavas
- Department of Radiation Oncology, Selcuk University Faculty of Medicine, Konya, Turkey
| | - Melis Gultekin
- Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Ozan Cem Guler
- Department of Radiation Oncology, Baskent University Faculty of Medicine, Adana Dr. Turgut Noyan Research and Treatment Center, Adana, Turkey
| | - Serap Akyurek
- Department of Radiation Oncology, Ankara University Faculty of Medicine, Ankara, Turkey
| | - Ferah Yildiz
- Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara, Turkey
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17
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Onal C, Yuce Sari S, Akkus Yildirim B, Gultekin M, Guler OC, Yildiz F. Is there any benefit of paraaortic field irradiation in pelvic lymph node positive endometrial cancer patients? A propensity match analysis. J OBSTET GYNAECOL 2019; 40:1012-1019. [PMID: 31793400 DOI: 10.1080/01443615.2019.1679742] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
We evaluated the survival outcomes and recurrence patterns of endometrial cancer (EC) patients with pelvic lymph node metastases who received postoperative radiotherapy (RT) to the pelvis (P-RT) or to the pelvis plus paraaortic lymph nodes (PA-RT) with or without systemic chemotherapy (ChT). The data from 167 patients with stage IIIC1 EC treated with postoperative RT or RT and ChT were collected retrospectively. Those patients with pelvic lymph node metastases were treated with either P-RT (106 patients, 63%) or PA-RT (61 patients, 37%). The median follow-up time for the entire cohort was 49 (range = 5-199) months. The patients receiving adjuvant ChT and RT had significantly higher 5-year OS rates (77% vs. 33%, p < .001) and 5-year PFS rates (71% vs. 30%, p < .001) when compared to those receiving adjuvant RT alone. The patients receiving P-RT and ChT had significantly higher 5-year OS rates and 5-year PFS rates when compared to those treated with adjuvant PA-RT in the entire cohort and matched cohort. Adjuvant ChT together with RT is the strongest predictor of the OS and PFS. Prophylactic PA-RT is unnecessary, even if ChT is used together with P-RT in EC patients with pelvic lymph node metastasis.Impact statementWhat is already known on this subject? Local and distant recurrence risks are relatively higher in patients with stage IIIC disease, postoperative adjuvant treatment is required to reduce the recurrence risk. Adjuvant RT is a common approach for patients with locally advanced EC. Optimal target volume for RT in patients with stage IIIC EC remains controversial. We demonstrated that extended field RT is unnecessary, even if ChT is used together with pelvic RT in stage IIIC EC patients.What do the results of this study add? We demonstrated that adjuvant ChT together with RT is the strongest predictor of the OS and PFS for EC patients with pelvic lymph node metastases. Extended field RT is unnecessary, even if ChT is used together with pelvic RT in EC patients with pelvic lymph node metastases.What are the implications of these findings for clinical practice and/or further research? Although adjuvant treatment modalities are associated with improvements in survival, distant metastasis still remains the most common site of recurrence in advanced EC patients. Thus, further research is warranted to identify improved combined modality strategies to optimise the outcomes for EC patients with pelvic lymph node metastasis.
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Affiliation(s)
- Cem Onal
- Department of Radiation Oncology, Başkent University Faculty of Medicine, Adana Dr. Turgut Noyan Research and Treatment Center, Adana, Turkey
| | - Sezin Yuce Sari
- Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Berna Akkus Yildirim
- Department of Radiation Oncology, Başkent University Faculty of Medicine, Adana Dr. Turgut Noyan Research and Treatment Center, Adana, Turkey
| | - Melis Gultekin
- Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Ozan Cem Guler
- Department of Radiation Oncology, Başkent University Faculty of Medicine, Adana Dr. Turgut Noyan Research and Treatment Center, Adana, Turkey
| | - Ferah Yildiz
- Department of Radiation Oncology, Hacettepe University Faculty of Medicine, Ankara, Turkey
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18
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Latham AH, Chen L, Hou JY, Tergas AI, Khoury-Collado F, St. Clair CM, Ananth CV, Neugut AI, Hershman DL, Wright JD. Sequencing of therapy in women with stage III endometrial carcinoma receiving adjuvant combination chemotherapy and radiation. Gynecol Oncol 2019; 155:13-20. [DOI: 10.1016/j.ygyno.2019.07.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 07/18/2019] [Accepted: 07/21/2019] [Indexed: 11/25/2022]
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19
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Xiang M, English DP, Kidd EA. Defining the survival benefit of adjuvant pelvic radiotherapy and chemotherapy versus chemotherapy alone in stages III-IVA endometrial carcinoma. Gynecol Oncol 2019; 154:487-494. [DOI: 10.1016/j.ygyno.2019.06.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 06/14/2019] [Accepted: 06/22/2019] [Indexed: 11/26/2022]
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20
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Adjuvant External Radiation Impacts Outcome of Pelvis-limited Stage III Endometrial Carcinoma: A Multi-institutional Study. Am J Clin Oncol 2019; 41:792-796. [PMID: 28225446 DOI: 10.1097/coc.0000000000000371] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Adjuvant therapy choice for women with FIGO stage III endometrial carcinoma (EC) is controversial. We investigate the comparative benefit of adjuvant chemotherapy (CT) alone, radiation therapy alone (RT) or in combination (chemotherapy and radiation therapy [CRT]) with respect to recurrence-free survival (RFS) and overall survival (OS) in women with pelvis-limited (PL) EC (stage IIIA, IIIB, and IIIC1). MATERIALS AND METHODS A multi-institutional database of 270 surgically staged women with PLEC was analyzed. Univariate log-rank analyses and Cox regression multivariate analyses (MVA) were performed to identify factors associated with RFS and OS. RESULTS Median RFS and OS were 112 and 130 months, respectively, for the full cohort. Adjuvant treatment was CT in 21%, RT in 27%, and CRT in 47%. Age, year of treatment, grade, histology, and adjuvant treatment were significantly associated with RFS and OS on univariate analysis. PLEC patients receiving CT alone fared worse in terms of RFS (P=0.07 relative to RT and <0.01 relative to CRT). On MVA, CRT retained significantly improved RFS relative to CT (hazard ratio for recurrence 0.38, P<0.01). PLEC patients receiving RT or CRT had improved OS compared with CT, P<0.01 and 0.03, respectively. On MVA, both RT only and CRT retained association with improved OS relative to CT alone (hazard ratio for death, 0.43, P=0.02 and 0.40, P<0.01, respectively). CONCLUSIONS For surgically staged PL stage III EC, treatment regimens incorporating RT were associated with improved survival endpoints relative to CT alone. As such, RT should be considered an important component in the adjuvant management of stage III PLEC.
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21
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Yao T, Cao R, Xiao W, Pan F, Li X. An optical study of drug resistance detection in endometrial cancer cells by dynamic and quantitative phase imaging. JOURNAL OF BIOPHOTONICS 2019; 12:e201800443. [PMID: 30767401 PMCID: PMC7065625 DOI: 10.1002/jbio.201800443] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 01/23/2019] [Accepted: 02/13/2019] [Indexed: 05/15/2023]
Abstract
Platinum chemosensitivity detection plays a vital role during endometrial cancer treatment because chemotherapy responses have profound influences on patient's prognosis. Although several methods can be used to detect drug resistance characteristics, studies on detecting drug sensitivity based on dynamic and quantitative phase imaging of cancer cells are rare. In this study, digital holographic microscopy was applied to distinguish drug-resistant and nondrug-resistant endometrial cancer cells. Based on the reconstructed phase images, temporal evolutions of cell height (CH), cell projected area (CPA) and cell volume were quantitatively measured. The results show that change rates of CH and CPA were significantly different between drug-resistant and nondrug-resistant endometrial cancer cells. Furthermore, the results demonstrate that morphological characteristics have the potential to be utilized to distinguish the drug sensitivity of endometrial cancer cells, and it may provide new perspectives to establish optical methods to detect drug sensitivity and guide chemotherapy in endometrial cancer.
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Affiliation(s)
- Tian Yao
- Department of Obstetrics and GynecologyPeking University People's HospitalBeijingChina
| | - Runyu Cao
- Key Laboratory of Precision Opto‐Mechatronics Technology of Ministry of Education, School of Instrumentation Science & Optoelectronics EngineeringBeihang UniversityBeijingChina
| | - Wen Xiao
- Key Laboratory of Precision Opto‐Mechatronics Technology of Ministry of Education, School of Instrumentation Science & Optoelectronics EngineeringBeihang UniversityBeijingChina
| | - Feng Pan
- Key Laboratory of Precision Opto‐Mechatronics Technology of Ministry of Education, School of Instrumentation Science & Optoelectronics EngineeringBeihang UniversityBeijingChina
| | - Xiaoping Li
- Department of Obstetrics and GynecologyPeking University People's HospitalBeijingChina
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22
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23
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Adjuvant therapy in stage III endometrial cancer confined to the pelvis. Gynecol Oncol 2018; 152:26-30. [PMID: 30473258 DOI: 10.1016/j.ygyno.2018.11.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 11/03/2018] [Indexed: 12/25/2022]
Abstract
OBJECTIVE To review outcomes of patients with stage III endometrial cancer confined to the pelvis treated with adjuvant pelvic radiotherapy (RT) or sequential chemoradiotherapy (CRT). METHODS Between 1990 and 2012, 144 patients diagnosed with stage IIIA, B or C1 endometrial cancer were treated in our institution. All were treated with total hysterectomy, bilateral salpingo-oophorectomy ± lymph node dissection. Post-operatively, 67 patients received adjuvant RT alone, 37 CRT, 21 chemotherapy alone and 19 had no adjuvant therapy. This analysis focuses on the 104 patients treated with RT or CRT. RESULTS The median follow-up was 61 months. Forty-six patients (44%) were stage IIIA, 6 (6%) were stage IIIB and 52 (50%) stage IIIC1. The 5-year overall survival (OS), disease-free survival (DFS) and disease-specific survival (DSS) for patients treated by RT alone vs. CRT were, respectively, 67% vs. 61% (p = 0.55); 67% vs. 51% (p = 0.35); and 76% vs. 65% (p = 0.21). Grade 3 disease was an independent predictor for worse OS (HR = 6.01, p = 0.001), DFS (HR = 3.16, p = 0.03), and DSS (HR = 3.77, p = 0.02). In patients with grade 3 disease (n = 49), the 5-year OS was superior for the CRT (42% vs. 56%, p = 0.007). CONCLUSIONS In patients with stage III endometrial cancer confined to the pelvis, the addition of adjuvant chemotherapy with RT significantly improved OS in grade 3 disease. Grade 3 histology is a strong predictor for poor outcome. Further randomized studies aiming specifically at stage III disease are warranted.
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Marnitz S, Köhler C, Gharbi N, Kunze S, Jablonska K, Herter J. Evolution of adjuvant treatment in endometrial cancer-no evidence and new questions? Strahlenther Onkol 2018; 194:965-974. [PMID: 30112692 DOI: 10.1007/s00066-018-1339-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 07/12/2018] [Indexed: 01/23/2023]
Abstract
PURPOSE For endometrial cancer (EC), clinical and pathological risk factors are taken to triage patients and estimate their prognosis. Lymph node involvement (pN+), lymphovascular space involvement (LSVI), grading, age of the patients, and T classification are internationally accepted parameters for treatment decisions. MATERIALS AND METHODS Studies on adjuvant radiation, chemotherapy, and chemoradiation are discussed against the background of risk stratification and clinical decision-making in early-to-advanced stage endometrial cancer. Recent publications on adjuvant treatment in high-risk disease and its implications for the patients with regard to expected oncologic benefit and treatment-related toxicity are discussed. RESULTS Surgery is the mainstay of treatment of EC patients. Well-differentiated tumors and early disease (FIGO IA) should be followed up without further treatment. In FIGO I stage without risk factors, VBT remains the standard treatment after surgery. FIGO I, II patients with one or more risk factors (MI ≥ 50%, Grading[G]3, age >60 years, LVSI) benefit from external beam radiotherapy (EBRT) in terms of survival. There are no data of acceptable quality demonstrating that chemotherapy is superior to radiation in locally advanced carcinomas. Therefore, even in locally advanced disease (FIGO III, IV), EBRT remains the standard of care after surgery. EBRT contributes to the very low rate of local relapses and better DFS in these patients and should not be replaced by chemotherapy only. Whether and which subgroups of patients benefit from an additional (concomitant and/or adjuvant) chemotherapy in terms of disease-free survival remains a controversial issue. The recently published PORTEC-3 trial could not create clear evidence. With a high rate of isolated tumors cells and micrometastases in the specimens, the increasing use of unvalidated sentinel concepts in endometrial cancer raises more questions with regard to indications for adjuvant treatment. In the future, integrated genomic characterization of tumors might be helpful for treatment individualization in the adjuvant setting.
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Affiliation(s)
- S Marnitz
- Medical Faculty, Department of Radiation Oncology, CyberKnife- and Radiation Therapy, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany.
| | - C Köhler
- Department of Special Operative and Oncologic Gynaecology, Asklepios-Clinic Hamburg, Hamburg, Germany
| | - N Gharbi
- Medical Faculty, Department of Radiation Oncology, CyberKnife- and Radiation Therapy, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - S Kunze
- Medical Faculty, Department of Radiation Oncology, CyberKnife- and Radiation Therapy, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - K Jablonska
- Medical Faculty, Department of Radiation Oncology, CyberKnife- and Radiation Therapy, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
| | - J Herter
- Medical Faculty, Department of Radiation Oncology, CyberKnife- and Radiation Therapy, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany
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Ghanem A, Modh A, Burmeister C, Munkarah A, Elshaikh M. Does Age-Adjusted Charlson Comorbidity Score Impact Survival Endpoints in Women with Federation of Gynecology and Obstetrics-Stage III Endometrial Cancer? Gynecol Obstet Invest 2018. [DOI: 10.1159/000487047] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Wang CJ, Christie A, Folkert MR, Xie XJ, Albuquerque K. Value of combined adjuvant chemotherapy and radiation on survival for stage III uterine cancer: is less radiation equal to more? J Gynecol Oncol 2018; 29:e49. [PMID: 29770620 PMCID: PMC5981101 DOI: 10.3802/jgo.2018.29.e49] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 01/14/2018] [Accepted: 02/19/2018] [Indexed: 11/30/2022] Open
Abstract
Objective Locally advanced endometrioid adenocarcinoma (LA-EAC) accounts for the majority of deaths for this cancer, yet there is no consensus on adjuvant treatment after surgery. Past studies suggest that combined modality treatment (CMT) may improve outcomes over treatment with chemotherapy (CT) or radiation therapy (RT, either external beam radiotherapy [EBRT] or vaginal brachytherapy [VBT]) alone. Using a large US-based population-based registry, we evaluated adjuvant CMT in LA-EAC and the relative benefit of regional EBRT compared to focused VBT. Methods We studied patients diagnosed with Stage III LA-EAC between 2004 and 2013 from the National Cancer Data Base (NCDB). We used Cox regression and a log-rank test to assess survival based on treatment with CT alone, EBRT alone, VBT alone, or CMT with EBRT and/or VBT. We used a χ2 test to compare covariates between patients receiving CMT with EBRT or VBT. Results Patients who received CMT had better survival than those who received CT or EBRT/VBT alone. Compared to CMT with VBT, patients who received CMT with EBRT were slightly older and had more advanced-stage or positive nodes, and fewer had lymph node surgery. We found no survival difference between CMT with EBRT and CMT with VBT even when categorizing patients as high or low risk according to age, grade, and stage (low-risk p=0.3460; high-risk p=0.2158). Conclusion CMT was associated with superior survival outcomes compared to monotherapy. We observed no survival difference between radiation modalities in CMT, which highlights the effectiveness of a more focused treatment like brachytherapy.
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Affiliation(s)
- Chiachien Jake Wang
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Alana Christie
- Biostatistics Core, Department of Clinical Science, Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Michael R Folkert
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Xian Jin Xie
- Biostatistics Core, Department of Clinical Science, Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Kevin Albuquerque
- Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, TX, USA.
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What Is the Optimal Adjuvant Treatment Sequence for Node-Positive Endometrial Cancer? Results of a National Cancer Database Analysis. Int J Gynecol Cancer 2018; 28:248-253. [DOI: 10.1097/igc.0000000000001162] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Torgeson A, Boothe D, Poppe MM, Suneja G, Gaffney DK. Disparities in care for elderly women with endometrial cancer adversely effects survival. Gynecol Oncol 2017; 147:320-328. [DOI: 10.1016/j.ygyno.2017.08.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 08/01/2017] [Accepted: 08/04/2017] [Indexed: 10/19/2022]
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Beriwal S, Klopp A, Mell L. Defining Prognostic Biomarkers and Optimal Adjuvant Treatment for Gynecologic Cancer. Int J Radiat Oncol Biol Phys 2017; 98:1-4. [DOI: 10.1016/j.ijrobp.2017.01.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2016] [Revised: 02/02/2017] [Accepted: 02/03/2017] [Indexed: 10/19/2022]
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Bingham B, Orton A, Boothe D, Stoddard G, Huang YJ, Gaffney DK, Poppe MM. Brachytherapy Improves Survival in Stage III Endometrial Cancer With Cervical Involvement. Int J Radiat Oncol Biol Phys 2017; 97:1040-1050. [PMID: 28332987 DOI: 10.1016/j.ijrobp.2016.12.035] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 12/16/2016] [Accepted: 12/22/2016] [Indexed: 12/19/2022]
Abstract
PURPOSE To evaluate the survival benefit of adding vaginal brachytherapy (BT) to pelvic external beam radiation therapy (EBRT) in women with stage III endometrial cancer. METHODS AND MATERIALS The National Cancer Data Base was used to identify patients with stage III endometrial cancer from 2004 to 2013. Only women who received adjuvant EBRT were analyzed. Women were grouped according to receipt of BT. Logistic regression modeling was used to identify predictors of receiving BT. Log-rank statistics were used to compare survival outcomes. Cox proportional hazards modeling was used to evaluate the effect of BT on survival. A propensity score-matched analysis was also conducted among women with cervical involvement. RESULTS We evaluated 12,988 patients with stage III endometrial carcinoma, 39% of whom received EBRT plus BT. Women who received BT were more likely to have endocervical or cervical stromal involvement (odds ratios 2.03 and 1.77; P<.01, respectively). For patients receiving EBRT alone, the 5-year survival was 66% versus 69% with the addition of BT at 5 years (P<.01). Brachytherapy remained significantly predictive of decreased risk of death (hazard ratio 0.86; P<.01) on multivariate Cox regression. The addition of BT to EBRT did not affect survival among women without cervical involvement (P=.84). For women with endocervical or cervical stromal invasion, the addition of BT significantly improved survival (log-rank P<.01). Receipt of EBRT plus BT was associated with improved survival in women with positive and negative surgical margins, and receiving chemotherapy did not alter the benefit of BT. Propensity score-matched analysis results confirmed the benefit of BT among women with cervical involvement (hazard ratio 0.80; P=.01). CONCLUSIONS In this population of women with stage III endometrial cancer the addition of BT to EBRT was associated with an improvement in survival for women with endocervical or cervical stromal invasion.
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Affiliation(s)
- Brian Bingham
- Department of Radiation Oncology, Vanderbilt University, Nashville, Tennessee
| | - Andrew Orton
- Department of Radiation Oncology, University of Utah, Salt Lake City, Utah
| | - Dustin Boothe
- Department of Radiation Oncology, University of Utah, Salt Lake City, Utah
| | - Greg Stoddard
- Division of Epidemiology, University of Utah, Salt Lake City, Utah
| | - Y Jessica Huang
- Department of Radiation Oncology, University of Utah, Salt Lake City, Utah
| | - David K Gaffney
- Department of Radiation Oncology, University of Utah, Salt Lake City, Utah
| | - Matthew M Poppe
- Department of Radiation Oncology, University of Utah, Salt Lake City, Utah.
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