2022
Adipose tissue radiodensity and mortality among patients with nonmetastatic breast cancer
Cheng E, Caan BJ, Chen WY, Irwin ML, Prado CM, Cespedes Feliciano EM. Adipose tissue radiodensity and mortality among patients with nonmetastatic breast cancer. Clinical Nutrition 2022, 41: 2607-2613. PMID: 36306565, PMCID: PMC9722634, DOI: 10.1016/j.clnu.2022.09.016.Peer-Reviewed Original ResearchConceptsNonmetastatic breast cancerVisceral adipose tissueBreast cancerBreast cancer prognosisOverall mortalitySpecific mortalityAdipose tissueCancer prognosisTissue radiodensityMultivariable Cox proportional hazards regressionKaiser Permanente Northern CaliforniaCox proportional hazards regressionRole of adiposityBody mass indexProportional hazards regressionBreast cancer survivalNovel prognostic markerThird lumbar vertebraIntegrated healthcare systemNon-Hispanic whitesMultiple cancer typesHazard ratioNonmetastatic patientsPrognostic factorsClinicopathological characteristics
2021
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
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
2009
Exercise Improves Body Fat, Lean Mass, and Bone Mass in Breast Cancer Survivors
Irwin ML, Alvarez‐Reeves M, Cadmus L, Mierzejewski E, Mayne ST, Yu H, Chung GG, Jones B, Knobf MT, DiPietro L. Exercise Improves Body Fat, Lean Mass, and Bone Mass in Breast Cancer Survivors. Obesity 2009, 17: 1534-1541. PMID: 19629060, PMCID: PMC2841468, DOI: 10.1038/oby.2009.18.Peer-Reviewed Original ResearchConceptsModerate-intensity aerobic exerciseUsual care participantsBreast cancer survivorsMin/weekDual-energy X-ray absorptiometryUsual care groupBone mineral densityCancer survivorsAerobic exerciseCare participantsLean massBody fatBody compositionCare groupBone massYale-New Haven Hospital Tumor RegistryPostmenopausal breast cancer survivorsCurrent physical activity levelsHospital tumor registryAerobic exercise interventionPhysical activity levelsBreast cancer prognosisPercent body fatX-ray absorptiometryBreast cancer diagnosis
2005
Relationship of Obesity and Physical Activity with C-Peptide, Leptin, and Insulin-Like Growth Factors in Breast Cancer Survivors
Irwin ML, McTiernan A, Bernstein L, Gilliland FD, Baumgartner R, Baumgartner K, Ballard-Barbash R. Relationship of Obesity and Physical Activity with C-Peptide, Leptin, and Insulin-Like Growth Factors in Breast Cancer Survivors. Cancer Epidemiology Biomarkers & Prevention 2005, 14: 2881-2888. PMID: 16365005, PMCID: PMC3000615, DOI: 10.1158/1055-9965.epi-05-0185.Peer-Reviewed Original ResearchConceptsInsulin-like growth factorBreast cancer survivorsBody mass indexPhysical activityC-peptideMass indexCancer survivorsInactive breast cancer patientsLow IGF-I levelsIGF-binding protein-3Growth factorHigher C-peptideIIIA breast cancerIGF-I levelsRelationship of obesityLower C-peptideBreast cancer patientsInterview-administered questionnairePhysical activity categoriesBreast cancer prognosisPopulation-based sampleHormones/peptidesLeptin levelsHigher IGFCancer patientsChanges in Body Fat and Weight After a Breast Cancer Diagnosis: Influence of Demographic, Prognostic, and Lifestyle Factors
Irwin ML, McTiernan A, Baumgartner RN, Baumgartner KB, Bernstein L, Gilliland FD, Ballard-Barbash R. Changes in Body Fat and Weight After a Breast Cancer Diagnosis: Influence of Demographic, Prognostic, and Lifestyle Factors. Journal Of Clinical Oncology 2005, 23: 774-782. PMID: 15681521, PMCID: PMC3000612, DOI: 10.1200/jco.2005.04.036.Peer-Reviewed Original ResearchConceptsBody fat changesBody fatBreast cancer diagnosisLifestyle factorsPhysical activityFat changesCancer diagnosisHigher disease stagePopulation-based studyBreast cancer recurrenceBreast cancer prognosisPercent body fatFirst yearLean womenObese womenBaseline visitPotential cofoundersDisease stageLifestyle StudyPostdiagnosis periodCancer recurrenceBreast cancerCancer prognosisFat lossYounger age
2004
Physical activity levels among breast cancer survivors.
Irwin ML, McTiernan A, Bernstein L, Gilliland FD, Baumgartner R, Baumgartner K, Ballard-Barbash R. Physical activity levels among breast cancer survivors. Medicine & Science In Sports & Exercise 2004, 36: 1484-91. PMID: 15354027, PMCID: PMC3000611.Peer-Reviewed Original ResearchConceptsBreast cancer survivorsHispanic breast cancer survivorsLevel of PACancer survivorsPhysical activityWeight gainBlack breast cancer survivorsObese breast cancer survivorsSurveillance Epidemiology End ResultsPostdiagnosis weight gainNegative prognostic factorBreast cancer survivalRecreational physical activityPhysical activity levelsGeneral adult populationBreast cancer prognosisNon-Hispanic whitesCategories of adiposityPrognostic factorsType of sportDisease stageCancer survivalLifestyle StudyBreast cancerPA recommendations