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
Prognostic 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 therapyRecent Key Studies in Cancers of the Uterine Corpus and Cervix: New Updates in Immunotherapy, the Microbiome, Bone Density, Quantifying Lymphovascular Invasion, and Hypofractionated Pelvic Radiation Therapy.
Harkenrider M, Fields E, Chopra S, Damast S, Kidd E, Chino J. Recent Key Studies in Cancers of the Uterine Corpus and Cervix: New Updates in Immunotherapy, the Microbiome, Bone Density, Quantifying Lymphovascular Invasion, and Hypofractionated Pelvic Radiation Therapy. International Journal Of Radiation Oncology • Biology • Physics 2023, 115: 269-275. PMID: 36621226, DOI: 10.1016/j.ijrobp.2022.07.1833.Peer-Reviewed Original Research
2022
Radiation therapy in the definitive management of medically inoperable endometrial cancer
Chin C, Damast S. Radiation therapy in the definitive management of medically inoperable endometrial cancer. International Journal Of Gynecological Cancer 2022, 32: 323-331. PMID: 35256419, DOI: 10.1136/ijgc-2021-002532.Peer-Reviewed Original ResearchConceptsMultiparametric magnetic resonance imagingInoperable patientsEndometrial cancerImage-guided brachytherapyRadiation therapySystemic anti-tumor immune responseAnti-tumor immune responseThree-dimensional image-guided brachytherapyInoperable endometrial cancerDefinitive radiation therapyPoor surgical candidatesNovel systemic agentsRecent consensus guidelinesHigh-volume centersExtent of tumorRates of obesityMagnetic resonance imagingMedical inoperabilityLate morbiditySurgical candidatesSystemic agentsClinical stagingDefinitive managementOngoing trialsUterine sizeSecondary Prevention, Not Secondary Importance: Embracing Survivorship Concerns and HRT After Cervical Cancer Radiation Therapy
Damast S, Chino J. Secondary Prevention, Not Secondary Importance: Embracing Survivorship Concerns and HRT After Cervical Cancer Radiation Therapy. International Journal Of Radiation Oncology • Biology • Physics 2022, 112: 414-416. PMID: 34998535, DOI: 10.1016/j.ijrobp.2021.09.028.Peer-Reviewed Original Research
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 metastasisRadiation Recall Dermatitis After Capecitabine in a Patient With Triple Negative Breast Cancer
Laird J, Leventhal J, Kanowitz J, Damast S. Radiation Recall Dermatitis After Capecitabine in a Patient With Triple Negative Breast Cancer. Practical Radiation Oncology 2021, 11: 448-452. PMID: 34157449, DOI: 10.1016/j.prro.2021.06.001.Peer-Reviewed Original ResearchA 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
2019
Literature Review of Vaginal Stenosis and Dilator Use in Radiation Oncology
Damast S, Jeffery DD, Son CH, Hasan Y, Carter J, Lindau ST, Jhingran A. Literature Review of Vaginal Stenosis and Dilator Use in Radiation Oncology. Practical Radiation Oncology 2019, 9: 479-491. PMID: 31302301, PMCID: PMC7944435, DOI: 10.1016/j.prro.2019.07.001.Peer-Reviewed Original ResearchConceptsVaginal dilator therapyVaginal stenosisPelvic radiation therapyRisk factorsRadiation therapyOutcomes of patientsRadiation-induced vaginal stenosisRadiation oncologyStrong risk factorCare of womenDilator therapyDilator useRT doseProspective dataSexual functionVaginal dilatorsVaginal changesOptimal durationRadiation oncologistsEarly manifestationStenosisLiterature reviewSearch termsProspective effortsPathophysiology
2015
Predictors of vaginal stenosis after intravaginal high-dose-rate brachytherapy for endometrial carcinoma
Park HS, Ratner ES, Lucarelli L, Polizzi S, Higgins SA, Damast S. Predictors of vaginal stenosis after intravaginal high-dose-rate brachytherapy for endometrial carcinoma. Brachytherapy 2015, 14: 464-470. PMID: 25887343, DOI: 10.1016/j.brachy.2015.03.001.Peer-Reviewed Original ResearchConceptsVaginal stenosisDilator useIndependent predictorsEndometrial carcinomaTotal doseRate brachytherapyMultivariable logistic regression analysisExternal beam radiation therapyCommon Terminology CriteriaEffective adjuvant treatmentMonths of followupPost-treatment factorsBeam radiation therapyHigher total doseLogistic regression analysisTerminology CriteriaAdjuvant treatmentFollowup visitMean followupAdverse eventsLast followupMultivariable analysisRisk factorsRadiation therapyPatients
2012
Sexual Functioning Among Endometrial Cancer Patients Treated With Adjuvant High-Dose-Rate Intra-Vaginal Radiation Therapy
Damast S, Alektiar KM, Goldfarb S, Eaton A, Patil S, Mosenkis J, Bennett A, Atkinson T, Jewell E, Leitao M, Barakat R, Carter J, Basch E. Sexual Functioning Among Endometrial Cancer Patients Treated With Adjuvant High-Dose-Rate Intra-Vaginal Radiation Therapy. International Journal Of Radiation Oncology • Biology • Physics 2012, 84: e187-e193. PMID: 22572074, PMCID: PMC5538259, DOI: 10.1016/j.ijrobp.2012.03.030.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, IntravaginalAdolescentAdultAgedAged, 80 and overBrachytherapyCross-Sectional StudiesDehydrationDilatationEndometrial NeoplasmsFemaleHumansHysterectomyLaparotomyLibidoMiddle AgedOrgasmPainPersonal SatisfactionRadiotherapy DosageRadiotherapy, AdjuvantReference ValuesRegression AnalysisRisk FactorsSexual Dysfunction, PhysiologicalSurveys and QuestionnairesVaginal Creams, Foams, and JelliesVaginal DiseasesYoung AdultConceptsFemale Sexual Function IndexEndometrial cancer patientsSexual dysfunctionFSFI scoreSexual functioningCancer patientsEarly stage endometrial cancer patientsQuestionnaire completionRates of SDLubricant useLower FSFI scoresSexual Function IndexPoor sexual functioningRadiation oncology clinicPostmenopausal statusSimple hysterectomyPostmenopausal populationOncology clinicAdjuvant brachytherapyEC patientsRisk factorsFunction IndexRadiation therapyHigh doseMultivariate analysis
2009
Locoregional Outcomes of Inflammatory Breast Cancer Patients Treated With Standard Fractionation Radiation and Daily Skin Bolus in the Taxane Era
Damast S, Ho AY, Montgomery L, Fornier MN, Ishill N, Elkin E, Beal K, McCormick B. Locoregional Outcomes of Inflammatory Breast Cancer Patients Treated With Standard Fractionation Radiation and Daily Skin Bolus in the Taxane Era. International Journal Of Radiation Oncology • Biology • Physics 2009, 77: 1105-1112. PMID: 19879068, DOI: 10.1016/j.ijrobp.2009.06.042.Peer-Reviewed Original ResearchMeSH KeywordsAdenocarcinomaAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy ProtocolsBreast NeoplasmsCapecitabineCarboplatinCyclophosphamideDeoxycytidineDisease-Free SurvivalDose Fractionation, RadiationDoxorubicinDrug Administration ScheduleEpirubicinFemaleFluorouracilHumansMastectomy, Modified RadicalMiddle AgedNeoadjuvant TherapyPaclitaxelRadiodermatitisRadiotherapy, AdjuvantRetrospective StudiesConceptsDistant metastasis-free survivalStandard fractionation radiationCombined-modality therapyInflammatory breast cancer patientsMetastasis-free survivalBreast cancer patientsLocoregional controlRadiation therapyLocoregional outcomeSkin bolusCancer patientsChest wallAdjuvant radiation therapyExcellent locoregional controlMajority of patientsSignificant therapeutic challengeScar boostTaxane eraIBC patientsRadical mastectomyRegional lymphaticsTherapeutic challengeDaily fractionsStandard fractionationPrescribed treatment
2006
Do metallic ports in tissue expanders affect postmastectomy radiation delivery?
Damast S, Beal K, Ballangrud Å, Losasso TJ, Cordeiro PG, Disa JJ, Hong L, McCormick BL. Do metallic ports in tissue expanders affect postmastectomy radiation delivery? International Journal Of Radiation Oncology • Biology • Physics 2006, 66: 305-310. PMID: 16904530, DOI: 10.1016/j.ijrobp.2006.05.017.Peer-Reviewed Original ResearchConceptsPostmastectomy radiation therapyTissue expanderTangent beamsPermanent implant exchangeDosimetric effectsChest wall treatmentMetallic portPermanent breast implantPotential dosimetric effectsMedian doseImplant exchangeEx vivo resultsThermoluminescent dosimetersRadiation therapyPatientsVolume of tissueBreast implantsRadiation deliveryPermanent implantsExit doseVivo resultsDoseMV photonsTreatmentImplants