Courtney McGowan
Oncology Research Registered DietitianCards
About
Research
Publications
2024
Barriers to and facilitators of improving physical activity and nutrition behaviors during chemotherapy for breast cancer: a sequential mixed methods study
Puklin L, Irwin M, Sanft T, Ferrucci L, Harrigan M, McGowan C, Cartmel B, Zupa M, Winer E, Deyling M, Ligibel J, Basen-Engquist K, Spiegelman D, Sharifi M. Barriers to and facilitators of improving physical activity and nutrition behaviors during chemotherapy for breast cancer: a sequential mixed methods study. Supportive Care In Cancer 2024, 32: 590. PMID: 39141176, DOI: 10.1007/s00520-024-08789-5.Peer-Reviewed Original ResearchConceptsPhysical activityLifestyle interventionSelf-reported PA questionnaireSelf-reported diet qualityBreast cancerHealthy Eating Index-2015Stage I-III breast cancerBenefits of PASequential mixed methods studyI-III breast cancerChemotherapy-related symptomsMixed methods studyThematic content analysisBehavioral goalsSense of controlBody mass indexPA questionnaireSemi-structured interviewsMean body mass indexTranscribed verbatimIntervention armTailored educationDiet qualityNutritional behaviorMental benefitsImproving lifestyle behaviors during chemotherapy for breast cancer: The Lifestyle, Exercise, and Nutrition Early After Diagnosis (LEANer) Trial
Puklin L, Ferrucci L, Harrigan M, McGowan C, Zupa M, Cartmel B, Li F, Ligibel J, Spiegelman D, Sharifi M, Sanft T, Irwin M. Improving lifestyle behaviors during chemotherapy for breast cancer: The Lifestyle, Exercise, and Nutrition Early After Diagnosis (LEANer) Trial. Cancer 2024, 130: 2440-2452. PMID: 38470431, PMCID: PMC11214600, DOI: 10.1002/cncr.35280.Peer-Reviewed Original ResearchPhysical activityDiet qualityHEI-2015Strength trainingLifestyle behaviorsHealthy Eating Index (HEI)-2015Breast cancerAssociated with baseline fatigueImprove physical activityImprove lifestyle behaviorsHigher HEI-2015Associated with higher oddsExercise interventionUsual careIntervention armIntervention groupBaseline fatigueLifestyle interventionYearlong interventionLower fatigueHigher oddsSecondary analysisLogistic regressionNewly diagnosed patientsStudy arms
2023
Randomized Trial of Exercise and Nutrition on Chemotherapy Completion and Pathologic Complete Response in Women With Breast Cancer: The Lifestyle, Exercise, and Nutrition Early After Diagnosis Study
Sanft T, Harrigan M, McGowan C, Cartmel B, Zupa M, Li F, Ferrucci L, Puklin L, Cao A, Nguyen T, Neuhouser M, Hershman D, Basen-Engquist K, Jones B, Knobf T, Chagpar A, Silber A, Tanasijevic A, Ligibel J, Irwin M. Randomized Trial of Exercise and Nutrition on Chemotherapy Completion and Pathologic Complete Response in Women With Breast Cancer: The Lifestyle, Exercise, and Nutrition Early After Diagnosis Study. Journal Of Clinical Oncology 2023, 41: 5285-5295. PMID: 37656930, PMCID: PMC10691793, DOI: 10.1200/jco.23.00871.Peer-Reviewed Original ResearchConceptsRelative dose intensityPathologic complete responseProportion of patientsBreast cancerNeoadjuvant chemotherapyChemotherapy completionComplete responseNutrition interventionsHigher pathologic complete responseHuman epidermal growth factor receptor 2Epidermal growth factor receptor 2Triple-negative breast cancerChemotherapy dose adjustmentsHome-based exerciseGrowth factor receptor 2Breast cancer outcomesEffects of exerciseFactor receptor 2Electronic medical recordsChi-square testUsual careDose intensityExercise interventionDose adjustmentRandomized trials
2022
Randomized trial of diet and exercise on chemotherapy completion in women with breast cancer: The Lifestyle, Exercise, and Nutrition Early After Diagnosis (LEANer) study.
Sanft T, Harrigan M, Cartmel B, Li F, Zupa M, McGowan C, Ferrucci L, Puklin L, Nguyen T, Tanasijevic A, Neuhouser M, Hershman D, Basen-Engquist K, Jones B, Knobf M, Chagpar A, Silber A, Ligibel J, Irwin M. Randomized trial of diet and exercise on chemotherapy completion in women with breast cancer: The Lifestyle, Exercise, and Nutrition Early After Diagnosis (LEANer) study. Journal Of Clinical Oncology 2022, 40: 12007-12007. DOI: 10.1200/jco.2022.40.16_suppl.12007.Peer-Reviewed Original ResearchRelative dose intensityHigh relative dose intensityBreast cancerDose-response effectPhysical activityPA interventionsNeoadjuvant chemotherapyChemotherapy completionDiet qualityStage I breast cancerEndocrine therapy adherenceTrial of dietDifferent chemotherapy regimensI breast cancerBody mass indexPatient-reported outcomesHealthy Eating IndexBetter diet qualityHigh physical activityMore physical activityElectronic medical recordsChi-square testUC participantsChemotherapy regimensSecondary endpoints
2021
Dietary Supplement Use and Interactions with Tamoxifen and Aromatase Inhibitors in Breast Cancer Survivors Enrolled in Lifestyle Interventions
Harrigan M, McGowan C, Hood A, Ferrucci LM, Nguyen T, Cartmel B, Li FY, Irwin ML, Sanft T. Dietary Supplement Use and Interactions with Tamoxifen and Aromatase Inhibitors in Breast Cancer Survivors Enrolled in Lifestyle Interventions. Nutrients 2021, 13: 3730. PMID: 34835986, PMCID: PMC8621720, DOI: 10.3390/nu13113730.Peer-Reviewed Original ResearchConceptsBreast cancer survivorsDietary supplement useCancer survivorsAromatase inhibitorsSupplement useDietary supplementsEndocrine therapyLifestyle interventionWorld Cancer Research Fund/American InstituteSelf-reported dietary supplement useNatural Medicines databaseAdjuvant endocrine therapyBreast cancer treatmentAdverse interactionsPotential adverse interactionsPharmacodynamic interactionsClinical efficacyCancer preventionHigh prevalenceGeneral populationPotential interactionsMedicine DatabaseTamoxifenCancer treatmentSurvivorsEffect of healthy diet and exercise on chemotherapy completion rate in women with breast cancer: The Lifestyle, Exercise and Nutrition Early after Diagnosis (LEANer) study: Study protocol for a randomized clinical trial
Sanft T, Harrigan M, Cartmel B, Ferrucci LM, Li FY, McGowan C, Zupa M, Nguyen TH, Ligibel J, Neuhouser ML, Hershman DL, Basen-Engquist K, Jones B, Knobf T, Chagpar A, Silber A, Irwin ML. Effect of healthy diet and exercise on chemotherapy completion rate in women with breast cancer: The Lifestyle, Exercise and Nutrition Early after Diagnosis (LEANer) study: Study protocol for a randomized clinical trial. Contemporary Clinical Trials 2021, 109: 106508. PMID: 34274495, PMCID: PMC10424280, DOI: 10.1016/j.cct.2021.106508.Peer-Reviewed Original ResearchConceptsChemotherapy completion rateTreatment-related side effectsPhysical activity guidelinesBreast cancerActivity guidelinesCancer survivorsSide effectsWorld Cancer Research FundUsual care control groupCompletion ratesEndocrine therapy adherenceCare control groupHealthy lifestyle interventionRandomized clinical trialsPatient reported outcomesPhysical activity interventionsBreast cancer treatmentAmerican Cancer SocietyBreast cancer prognosisCancer Research FundElectronic medical recordsOncology nutritionTreating oncologistSecondary endpointsChemotherapy session
News
News
- June 22, 2023
Smilow Shares Survivorship Series: Cancer and the Family
- June 30, 2022
Smilow Shares Survivorship Series: Shop Savvy for Survivors—Eat healthy on a budget
- March 15, 2022
Yale Cancer Center and School of Public Health Receive Grant to Study Lifestyle Intervention in Women with Ovarian Cancer