2019
Randomized phase II trial of exercise, metformin, or both on metabolic biomarkers in colorectal and breast cancer survivors
Meyerhardt JA, Irwin ML, Jones LW, Zhang S, Campbell N, Brown JC, Pollak M, Sorrentino A, Cartmel B, Harrigan M, Tolaney SM, Winer E, Ng K, Abrams T, Fuchs CS, Sanft T, Douglas PS, Hu F, Ligibel JA. Randomized phase II trial of exercise, metformin, or both on metabolic biomarkers in colorectal and breast cancer survivors. JNCI Cancer Spectrum 2019, 4: pkz096. PMID: 32090192, PMCID: PMC7025659, DOI: 10.1093/jncics/pkz096.Peer-Reviewed Original ResearchBreast cancer survivorsPhase II trialCancer survivorsControl armII trialInsulin levelsRandomized phase II trialInsulin-like growth factor-1Insulin-like growth factorHomeostatic model assessmentCombination of exerciseSignificant weight lossGrowth factor-1Combination armMetformin useSecondary outcomesStandard therapyPrimary outcomeIntervention armInsulin resistanceDisease outcomeModality interventionsAnthropometric measurementsMetabolic markersMetabolic biomarkers
2009
Randomized Controlled Trial of Aerobic Exercise on Insulin and Insulin-like Growth Factors in Breast Cancer Survivors: The Yale Exercise and Survivorship Study
Irwin ML, Varma K, Alvarez-Reeves M, Cadmus L, Wiley A, Chung GG, DiPietro L, Mayne ST, Yu H. Randomized Controlled Trial of Aerobic Exercise on Insulin and Insulin-like Growth Factors in Breast Cancer Survivors: The Yale Exercise and Survivorship Study. Cancer Epidemiology Biomarkers & Prevention 2009, 18: 306-313. PMID: 19124513, PMCID: PMC2841479, DOI: 10.1158/1055-9965.epi-08-0531.Peer-Reviewed Original ResearchConceptsBreast cancer survivorsPostmenopausal breast cancer survivorsModerate-intensity aerobic exerciseUsual care groupBreast cancer riskAerobic exerciseIGFBP-3Cancer survivorsUsual careCare groupCancer riskYale-New Haven Hospital Tumor RegistryCurrent physical activity levelsInsulin-like growth factorHospital tumor registryUsual care participantsAerobic exercise interventionExercise-induced decreasePhysical activity levelsInsulin-like growthExercise groupExercise interventionControlled TrialsTumor RegistryBrisk walking
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 patients