2024
Prognostic Effect of Mismatch Repair Status in Early-Stage Endometrial Cancer Treated With Adjuvant Radiation: A Multi-institutional Analysis
Hathout L, Sherwani Z, Alegun J, Ohri N, Fields E, Shah S, Beriwal S, Horne Z, Kidd E, Leung E, Song J, Taunk N, Chino J, Huang C, Russo A, Dyer M, Li J, Albuquerque K, Damast S. Prognostic Effect of Mismatch Repair Status in Early-Stage Endometrial Cancer Treated With Adjuvant Radiation: A Multi-institutional Analysis. International Journal Of Radiation Oncology • Biology • Physics 2024, 119: 1158-1165. PMID: 38253292, DOI: 10.1016/j.ijrobp.2024.01.203.Peer-Reviewed Original ResearchRecurrence-free survivalEndometrioid endometrial adenocarcinomaMismatch repair statusAdjuvant radiation therapyOverall survivalRadiation therapyVaginal brachytherapyMismatch repair deficiencyAssociated with worse recurrence-free survivalMulti-institutional retrospective cohort studyTreated with adjuvant radiation therapyAssociated with recurrence-free survivalMultivariate analysisExternal beam radiation therapyRecurrence-free survival ratesMismatch repair deficiency statusBeam radiation therapyGrades 1 to 2Kaplan-Meier methodOutcomes of patientsMulti-institutional analysisRetrospective cohort studyCox proportional hazards modelsProportional hazards modelAdjuvant radiation
2023
Investigating the Relationship between the Dose to the Recto-Vaginal Reference Point and Vaginal Stenosis among Cervical Cancer Patients Treated at a North American Academic Institution
Adefres B, Wallington D, Tien C, Damast S. Investigating the Relationship between the Dose to the Recto-Vaginal Reference Point and Vaginal Stenosis among Cervical Cancer Patients Treated at a North American Academic Institution. International Journal Of Radiation Oncology • Biology • Physics 2023, 117: e501. DOI: 10.1016/j.ijrobp.2023.06.1746.Peer-Reviewed Original ResearchVaginal stenosisDose constraintsMedian doseMultivariable Cox proportional hazards regressionCox proportional hazards regressionCohort median ageAdvanced cervical cancerInterstitial needlesKaplan-Meier methodCervical cancer patientsProportional hazards regressionLog-rank testHR-CTV D90MATERIAL/METHODSImage-guided brachytherapyNorth American academic institutionsLACC patientsPrimary endpointCumulative incidenceOnly patientsPatient demographicsMedian ageCervical cancerCancer patientsSingle institutionPrognostic Impact of Mismatch Repair Deficiency on Stage I-II Endometrioid Endometrial Cancer Treated with Adjuvant Radiation Therapy: A Multi-Institutional Analysis
Sherwani Z, Alegun J, Russo A, Damast S, Albuquerque K, Nwachukwu C, Dyer M, Fields E, Beriwal S, Horne Z, Vergalasova I, Ohri N, Taunk N, Chino J, Kidd E, Leung E, Song J, Hathout L. Prognostic Impact of Mismatch Repair Deficiency on Stage I-II Endometrioid Endometrial Cancer Treated with Adjuvant Radiation Therapy: A Multi-Institutional Analysis. International Journal Of Radiation Oncology • Biology • Physics 2023, 117: s8. DOI: 10.1016/j.ijrobp.2023.06.217.Peer-Reviewed Original ResearchEndometrioid endometrial cancerEarly-stage endometrioid endometrial cancerExternal beam radiation therapyAdjuvant radiation therapyLymphovascular space invasionOverall survivalGrade 3Radiation therapyStage IMultivariate analysisWorse RFSWorse OSEndometrial cancerUnivariate analysisMulti-institutional retrospective cohort studyFIGO 2009 stage IRecurrence-free survival ratesCox proportional hazards modelPost-surgical stagingRetrospective cohort studyKaplan-Meier methodDeep myometrial invasionFIGO grade 1Proportional hazards modelBeam radiation therapyPO38 Clinical Outcomes Following Brachytherapy for Endometrial Cancer Patients with Narrow Vaginal Anatomy
Adefres B, Tien C, Damast S. PO38 Clinical Outcomes Following Brachytherapy for Endometrial Cancer Patients with Narrow Vaginal Anatomy. Brachytherapy 2023, 22: s84-s85. DOI: 10.1016/j.brachy.2023.06.139.Peer-Reviewed Original ResearchVaginal cuff brachytherapyVaginal recurrenceEndometrial cancerEC patientsVaginal surfaceClinical outcomesVaginal anatomyGrade 2Single-channel vaginal cylinderStage IVb endometrial cancerAdjuvant vaginal cuff brachytherapyConsecutive EC patientsEndometrial cancer patientsExcellent local controlKaplan-Meier methodExternal beam radiotherapyInsertional painBaseline painVaginal stenosisCTCAE v4.0Patient demographicsStage IIIAUrinary toxicityMedian ageMedian BMIThe Impact of Racial Disparities on Outcome in Patients With Stage IIIC Endometrial Carcinoma
Patrich T, Wang Y, Elshaikh M, Zhu S, Damast S, Li J, Fields E, Beriwal S, Keller A, Kidd E, Usoz M, Jolly S, Jaworski E, Leung E, Taunk N, Chino J, Russo A, Lea J, Lee L, Albuquerque K, Hathout L. The Impact of Racial Disparities on Outcome in Patients With Stage IIIC Endometrial Carcinoma. American Journal Of Clinical Oncology 2023, 46: 114-120. PMID: 36625449, DOI: 10.1097/coc.0000000000000975.Peer-Reviewed Original ResearchConceptsStage IIIC endometrial carcinomaRecurrence-free survivalNon-black patientsParaaortic lymph nodesGrade 3 tumorsBlack patientsOverall survivalEndometrial carcinomaWorse OSLymph nodesNonendometrioid histologyPositive paraaortic lymph nodesRetrospective multi-institutional studyKaplan-Meier methodMulti-institutional studySPSS version 27Adjuvant chemotherapyConcurrent chemoradiotherapyHazard ratioRFS ratesClinical outcomesRandomized trialsNonsignificant trendPatientsPrognostic covariates
2022
Racial Disparities in Patients with Stage IIIC Endometrial Cancer
Patrich T, Wang Y, Elshaikh M, Zhu S, Damast S, Li J, Fields E, Beriwal S, Keller A, Kidd E, Usoz M, Jolly S, Jaworski E, Leung E, Donovan E, Taunk N, Chino J, Russo A, Lea J, Lee L, Albuquerque K, Hathout L. Racial Disparities in Patients with Stage IIIC Endometrial Cancer. International Journal Of Radiation Oncology • Biology • Physics 2022, 114: e273-e274. DOI: 10.1016/j.ijrobp.2022.07.1283.Peer-Reviewed Original ResearchPositive paraaortic lymph nodesNon-black patientsRecurrence-free survivalExternal beam radiation therapyStage IIIC endometrial carcinomaNon-endometrioid histologyGrade 3 tumorsLymphovascular space invasionOverall survivalBlack patientsVaginal cuff brachytherapyEndometrial carcinomaCervical involvementWorse OSHazard ratioPropensity scoreStage IIIC endometrial cancerMulti-institutional cohort studyRetrospective multi-institutional cohort studyCox proportional hazards modelRacial disparitiesParaaortic lymph nodesKaplan-Meier methodProportional hazards modelBeam radiation therapy
2021
Does Prophylactic Paraortic Lymph Node Irradiation Improve Outcomes in Women With Stage IIIC1 Endometrial Carcinoma?
Yoon J, Fitzgerald H, Wang Y, Wang Q, Vergalasova I, Elshaikh MA, Dimitrova I, Damast S, Li JY, Fields EC, Beriwal S, Keller A, Kidd EA, Usoz M, Jolly S, Jaworski E, Leung EW, Donovan E, Taunk NK, Chino J, Natesan D, Russo AL, Lea JS, Albuquerque KV, Lee LJ, Hathout L. Does Prophylactic Paraortic Lymph Node Irradiation Improve Outcomes in Women With Stage IIIC1 Endometrial Carcinoma? Practical Radiation Oncology 2021, 12: e123-e134. PMID: 34822999, DOI: 10.1016/j.prro.2021.10.002.Peer-Reviewed Original ResearchConceptsStage IIIC1 endometrial cancerPelvic radiation therapyOverall survivalEndometrial cancerRadiation therapySurvival outcomesFirst recurrenceHazard ratioRFS ratesCommon siteRecurrence-free survival ratesMulti-institutional retrospective studyPropensity scoreCox proportional hazards modelImproved survival outcomesKaplan-Meier methodProportional hazards modelInternational FederationNew therapeutic approachesAdjuvant chemotherapyDistant recurrenceSystemic chemotherapyImprove OutcomesClinical outcomesDistant metastasisDeclining Use of Inguinofemoral Lymphadenectomy in the Treatment of Clinically Negative, Pathologic Node Positive Vulvar Cancer: A National Cancer Database Analysis
Mokhtech M, Gao S, Kassick M, Menderes G, Damast S. Declining Use of Inguinofemoral Lymphadenectomy in the Treatment of Clinically Negative, Pathologic Node Positive Vulvar Cancer: A National Cancer Database Analysis. International Journal Of Radiation Oncology • Biology • Physics 2021, 111: e636-e637. DOI: 10.1016/j.ijrobp.2021.07.1687.Peer-Reviewed Original ResearchSentinel lymph node biopsyNational Cancer DatabaseNode-positive vulvar cancerInguinofemoral lymphadenectomyVulvar cancerOverall survivalGroin diseaseUse of SLNBNational Cancer Database AnalysisProportional hazards regression modelingVulvar cancer patientsKaplan-Meier methodLymph node biopsyRate of patientsManagement of patientsLog-rank testInitial staging procedureLymph node dataSignificant differencesWilcoxon rank sum testMATERIAL/METHODSWarrants further studyRank sum testAdjuvant chemoradiationAdjuvant radiationA Multi-Institutional Analysis of Adjuvant Chemotherapy and Radiation Sequence in Women With Stage IIIC Endometrial Cancer
Hathout L, Wang Y, Wang Q, Vergalasova I, Elshaikh MA, Dimitrova I, Damast S, Li JY, Fields EC, Beriwal S, Keller A, Kidd EA, Usoz M, Jolly S, Jaworski E, Leung EW, Donovan E, Taunk NK, Chino J, Natesan D, Russo AL, Lea JS, Albuquerque KV, Lee LJ. A Multi-Institutional Analysis of Adjuvant Chemotherapy and Radiation Sequence in Women With Stage IIIC Endometrial Cancer. International Journal Of Radiation Oncology • Biology • Physics 2021, 110: 1423-1431. PMID: 33677053, DOI: 10.1016/j.ijrobp.2021.02.055.Peer-Reviewed Original ResearchConceptsStage IIIC endometrial carcinomaOverall survivalEndometrial carcinomaRadiation therapyAdjuvant chemotherapyAdjuvant therapyPALN recurrenceSystemic chemotherapyRFS ratesMulti-institutional retrospective cohort studyStage IIIC endometrial cancerRecurrence-free survival ratesLymph node recurrenceSequential radiation therapyAdjuvant radiation therapyRetrospective cohort studyGrade 3 tumorsAdjuvant treatment regimensKaplan-Meier methodVaginal cuff brachytherapyHigh rateSequence of treatmentChemotherapy concurrentNodal radiationNode recurrence
2015
High-dose-rate vaginal brachytherapy with chemotherapy for surgically staged localized uterine serous carcinoma
Damast S, Higgins SA, Ratner E, De Leon MC, Mani S, Silasi DA, Azodi M, Santin A, Rutherford T, Schwartz PE. High-dose-rate vaginal brachytherapy with chemotherapy for surgically staged localized uterine serous carcinoma. Journal Of Contemporary Brachytherapy 2015, 7: 35-40. PMID: 25829935, PMCID: PMC4371058, DOI: 10.5114/jcb.2015.48539.Peer-Reviewed Original ResearchRecurrence-free survivalUterine serous carcinomaComprehensive surgical stagingOverall survivalSurgical stagingSerous carcinomaPara-aortic lymph node dissectionFIGO 2009 stage ICarboplatin-paclitaxel chemotherapyInstitutional chart reviewIsolated vaginal recurrencesSimultaneous lung metastasisLymph node dissectionPelvic control rateKaplan-Meier methodRate vaginal brachytherapyCases of recurrenceMedian followNode dissectionPeritoneal cytologyVaginal brachytherapyVaginal recurrenceTotal hysterectomyChart reviewBrachytherapy dose
2012
Five-year outcomes of adjuvant carboplatin/paclitaxel chemotherapy and intravaginal radiation for stage I–II papillary serous endometrial cancer
Kiess AP, Damast S, Makker V, Kollmeier MA, Gardner GJ, Aghajanian C, Abu-Rustum NR, Barakat RR, Alektiar KM. Five-year outcomes of adjuvant carboplatin/paclitaxel chemotherapy and intravaginal radiation for stage I–II papillary serous endometrial cancer. Gynecologic Oncology 2012, 127: 321-325. PMID: 22850412, DOI: 10.1016/j.ygyno.2012.07.112.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAntineoplastic AgentsAntineoplastic Combined Chemotherapy ProtocolsBrachytherapyCarboplatinChemoradiotherapy, AdjuvantCystadenocarcinoma, PapillaryCystadenocarcinoma, SerousDrug Administration ScheduleEndometrial NeoplasmsFemaleFollow-Up StudiesHumansHysterectomyMiddle AgedNeoplasm StagingOvariectomyPaclitaxelRetrospective StudiesSalpingectomySurvival AnalysisTreatment OutcomeConceptsCarboplatin/paclitaxel chemotherapyUterine papillary serous carcinomaPaclitaxel chemotherapyStage IEarly-stage uterine papillary serous carcinomaPapillary serous endometrial cancerParaaortic lymph node samplingDistant recurrence ratesMedian patient ageStage II diseaseFive-year outcomesLymph node samplingKaplan-Meier methodOverall survival ratePapillary serous carcinomaSingle institution experienceLog-rank testSerous endometrial cancerConcurrent carboplatinMedian followPelvic radiationOmental biopsyPara-aorticPelvic recurrenceUnderwent surgery