DonnaRyanMD

Oncology • New Orleans, LA

President, World Obesity Federation

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Office
625 St Charles Avenue
#10B
New Orleans, LA 70130
Phone+1 225-229-3909

Fax+1 225-763-3193

Summary

Donna Ryan, MD, FTOS is Professor Emerita at Pennington Biomedical in Baton Rouge, LA, and current President of World Obesity Federation. Her research focuses on nutrition, obesity and obesity comorbidities, with a special focus on primary care approaches to obesity management. She has been an investigator for various US National Institutes of Health-sponsored studies, including Pounds Lost, DASH (Dietary Approaches to Stop Hypertension), DPP (Diabetes Prevention Program) and the Look AHEAD study. Dr. Ryan’s continuing interests focus on translation of effective weight management into primary care practices.
Dr. Ryan is Associate Editor-in-Chief of the journal Obesity and has authored more than 200 publications, primarily on obesity. She served as Co-Chair on the expert panel for the ACC/AHA/TOS evidence-based Guidelines on the Evaluation and Management of Overweight and Obesity in Adults and was a panel member of the 2015 Endocrine Society Systematic Evidence Review and Guidelines for Medications that Affect Body Weight.
For the past five years Dr. Ryan has been active in continuing education for practitioners in obesity management. She has served as a consultant and advisor to industry and has been a scientific advisor to many companies, and as a member of Data Safety Monitoring Committees. She is Co-Chair of the Steering Committee SELECT, a cardiovascular outcome trial of semaglutide.

Education & Training

University of Southwestern LouisianaBS, Cum Laude, 1985
Louisiana State University School of MedicineFellowship, Hematology and Medical Oncology, 1976 - 1978
Louisiana State University School of MedicineResidency, Internal Medicine, 1973 - 1975
Louisiana State University School of MedicineInternship, Transitional Year, 1970 - 1971
Louisiana State University School of Medicine in New OrleansClass of 1970

Certifications & Licensure

LA State Medical License 1970 - 2024
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Medical Oncology

Awards, Honors, & Recognition

George Blackburn Award The Obesity Society, 2019
Master of Obesity Medicine American Board of Obesity Medicine, 2014
George Bray Founder�s Award The Obesity Society, 2013
Influential Women in Business Award Baton Rouge Business Report, 2002
Topper Award - Outstanding Young Professional in New Orleans 1985
Phi Kappa Phi 1967
Muriel Price Academic Award 1966
Joel Fletcher Academic Scholarship 1963
Alpha Omega Alpha
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Publications & Presentations

PubMed

33 citations
HbA1c and lower-extremity amputation risk in low-income patients with diabetes
Wenhui Zhao, Peter T. Katzmarzyk, Ronald Horswell, Yujie Wang, Jolene Johnson
Diabetes Care. 2013-11-01
422 citations
Joint international consensus statement for ending stigma of obesity.
Francesco Rubino, Rebecca M. Puhl, David E. Cummings, Robert H. Eckel, Donna H. Ryan
Nature Medicine. 2020-03-04
219 citations
Is 5% weight loss a satisfactory criterion to define clinically significant weight loss?
Donald A. Williamson, George A. Bray, Donna H. Ryan
Obesity. 2015-12-01

Journal Articles

Markers of dietary protein intake are associated with successful weight loss in the POUNDS Lost trial
Bray GA, Ryan DH, Johnson W, Champagne CM, Johnson CM, Rood J, Williamson DA, Sacks FM, Clin Obes., 1/1/2017
Weight-loss diets and 2-y changes in circulating amino acids in 2 randomized intervention trials
Zheng Y, Ceglarek U, Huang T, Li L, Rood J, Ryan DH, Bray GA, Sacks FM, Schwarzfuchs D, Thiery J, Shai I, Qi L., Am J Clin Nutr., 1/1/2016
2015, A year in review for readers of obesity
Ryan DH, Ravussin E, Obesity, 1/1/2016
Baton Rouge Healthy Eating and Lifestyle Program (BR-HELP): A Pilot Health Promotion Program
Kennedy BM, Ryan DH, Johnson WD, Harsha DW, Newton RL Jr, Champagne CM, Allen HR, Katzmarzyk PT., J Prev Interv Community., 1/1/2015
Pharmacological management of obesity: an endocrine Society clinical practice guideline
Apovian CM, Aronne LJ, Bessesen DH, McDonnell ME, Murad MH, Pagotto U, Ryan DH, Still CD; Endocrine Society., J Clin Endocrinol Metab, 1/1/2015
Pharmacological management of obesity: an endocrine Society clinical practice guideline, Erratum
Apovian CM, Aronne LJ, Bessesen DH, McDonnell ME, Murad MH, Pagotto U, Ryan DH, Still CD; Endocrine Society., J Clin Endocrinol Metab., 1/1/2015
Changes in body composition over 8 years in a randomized trial of a lifestyle intervention: the look AHEAD study
Pownall HJ, Bray GA, Wagenknecht LE, Walkup MP, Heshka S, Hubbard VS, Hill J, Kahn SE, Nathan DM, Schwartz AV, Johnson KC; Look AHEAD Research Group., Obesity, 1/1/2015
Depressive symptoms, antidepressant medication use, and new onset of diabetes in participants of the diabetes prevention program and the diabetes prevention program ou...
Marrero DG, Ma Y, de Groot M, Horton ES, Price DW, Barrett-Connor E, Carnethon MR, Knowler WC; Diabetes Prevention Program Research Group., Psychosom Med, 1/1/2015
The effect of lifestyle intervention and metformin on preventing or delaying diabetes among women with and without gestational diabetes: the Diabetes Prevention Progra...
Aroda VR, Christophi CA, Edelstein SL, Zhang P, Herman WH, Barrett-Connor E, Delahanty LM, Montez MG, Ackermann RT, Zhuo X, Knowler WC, Ratner RE; Diabetes Prevention ..., J Clin Endocrinol Metab., 1/1/2015
Partial Meal Replacement Plan and Quality of the Diet at 1 Year: Action for Health in Diabetes (Look AHEAD) Trial
Raynor HA, Anderson AM, Miller GD, Reeves R, Delahanty LM, Vitolins MZ, Harper P, Mobley C, Konersman K, Mayer-Davis E; Look AHEAD Research Group, J Acad Nutr Diet., 1/1/2015
Predictors for selection of insurance-funded weight loss approaches in individuals with severe obesity
Matthews-Ewald MR, Myers VH, Newton RL Jr, Beyl R, Waldo K, Dufour CM, Donato SG, Champagne CM, Church T, Ryan DH, Brantley PJ., Obesity, 1/1/2015
Dietary Fat Intake Modifies the Effect of a Common Variant in the LIPC Gene on Changes in Serum Lipid Concentrations during a Long-Term Weight-Loss Intervention Trial
Xu M, Ng SS, Bray GA, Ryan DH, Sacks FM, Ning G, Qi L., J Nutr., 1/1/2015
Challenging obesity: Patient, provider, and expert perspectives on the roles of available and emerging nonsurgical therapies
Apovian CM, Garvey WT, Ryan DH., Obesity, 1/1/2015
Weight change in the first 2 months of a lifestyle intervention predicts weight changes 8 years later
Unick JL, Neiberg RH, Hogan PE, Cheskin LJ, Dutton GR, Jeffery R, Nelson JA, Pi-Sunyer X, West DS, Wing RR; Look AHEAD Research Group., Obesity, 1/1/2015
Prospective association of a genetic risk score and lifestyle intervention with cardiovascular morbidity and mortality among individuals with type 2 diabetes: the Look...
Look AHEAD Research Group, Diabetologia, 1/1/2015
Predicting successful long-term weight loss from short-term weight-loss outcomes: new insights from a dynamic energy balance model (the POUNDS Lost study)
Thomas DM, Ivanescu AE, Martin CK, Heymsfield SB, Marshall K, Bodrato VE, Williamson DA, Anton SD, Sacks FM, Ryan D, Bray GA., Am J Clin Nutr., 1/1/2015
Improving Adiponectin Levels in Individuals With Diabetes and Obesity: Insights From Look AHEAD
Belalcazar LM, Lang W, Haffner SM, Schwenke DC, Kriska A, Balasubramanyam A, Hoogeveen RC, Pi-Sunyer FX, Tracy RP, Ballantyne CM; Look AHEAD (Action for Health in Diab..., Diabetes Care., 1/1/2015
Genetic Predictors of Depressive Symptoms in the Look AHEAD Trial
McCaffery JM, Papandonatos GD, Faulconbridge LF, Erar B, Peter I, Wagenknecht LE, Pajewski NM, Anderson A, Wadden TA, Wing RR; Look AHEAD Research Group, Psychosom Med, 1/1/2015
GLP-1 receptor agonists: Nonglycemic clinical effects in weight loss and beyond
Ryan D, Acosta A, Obesity, 1/1/2015
New medications and new ways to use them
Ryan DH., Obesity, 1/1/2015
NIH working group report: Innovative research to improve maintenance of weight loss
MacLean PS, Wing RR, Davidson T, Epstein L, Goodpaster B, Hall KD, Levin BE, Perri MG, Rolls BJ, Rosenbaum M, Rothman AJ, Ryan D., Obesity, 1/1/2015
Advances in the Science, Treatment, and Prevention of the Disease of Obesity: Reflections From a Diabetes Care Editors' Expert Forum
Cefalu WT, Bray GA, Home PD, Garvey WT, Klein S, Pi-Sunyer FX, Hu FB, Raz I, Van Gaal L, Wolfe BM, Ryan DH., Diabetes Care., 1/1/2015
2014--it's been quite a year
Ryan DH, Ravussin E, Obesity, 1/1/2015
Editorial: A timely topic
Ryan DH, Obesity, 1/1/2015
Response to "The need for people-first language in our Obesity journal"
Ravussin E, Ryan D., Obesity, 1/1/2015
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Books/Book Chapters

Obesity Surgery: Patient Safety and Best Practices.
Chapter: Pharmacotherapy Pipeline
Ryan DH, Bray GAEditors: Jones SB, Jones DB.Cine-Med, Inc, Woodbury, Connecticut2008
Handbook of Obesity: Clinical Applications
Chapter: Sibutramine in the management of obesity.
Ryan DHEditors: Bray BA, Bouchard C.Informa Healthcare, New York, New YorkEdition Thir,2008
A Clinical Guide for Management of Overweight and Obese Children and Adults
Chapter: Follow-up strategies for the treatment of obesity in primary care settings.
Myers VH, Ryan DH.Editors: Apovian CM, Lenders CM.CRC Press, Taylor and Francis Group, New York, New York2007
Overweight and the Metabolic Syndrome: From Bench to Bedside
Chapter: Evaluation of the overweight and obese patient.
Bray GA, Ryan DH.Editors: Bray GA, Ryan DH.Springer, New York, New York2006
Obesity and Mental Disorders.
Chapter: Pharmacologic agents in the treatment of obesity
Page 261.0 - 288.0Ryan D.Editors: McElroy SL, Allison DB, Bray GA.Taylor and Francis, New York, New York2006
Obesity and Diabetes
Chapter: Medical approaches to treatment of the obese patient
Page 457.0 - 469.0Bray GA, Ryan DHEditors: Mantzoros CS.Humana Press, Totowa, New Jersey2005
Office Management of Obesity
Chapter: Use of sibutramine to treat obesity
Page 201.0 - 222.0Ryan DH.Editors: Bray GA.Saunders, Philadelphia, Pennsylvania2004
Pharmacotherapy of Obesity
Chapter: Drugs on the market: Sibutramine.
Page 245.0 - 266.0Ryan DHEditors: Hoffbauer KG, Keller U, Boss O.CRC Press, Boca Raton, Florida2004
Progress in Obesity Research: 9
Chapter: The role of sibutramine in the clinical management of obesity
Page 1051. - 1057.Ryan DHEditors: Medeiros-Neto G, Halpern A, Bouchard C.John Libbey Eurotext, Montrouge, France2003
Handbook of Obesity.
Chapter: Sympathomimetic and serotonergic drugs used to treat obesity.
Page 201.0 - 251.0Ryan DH, Bray GAEditors: Bray GA, Bouchard C.Informa Healthcare, New York, New York2003
Primary Care: Clinics in Office Practice
Chapter: Use of sibutramine to treat obesity.
Page 405.0 - 426.0Ryan DH.Editors: Bray GA.W. B. Saunders Company, Philadelphia, Pennsylvania2003
Countermeasures for Battlefield Stressors, Pennington Nutrition Series
Chapter: REM sleep-deprived rats demonstrate a stress-induced impairment of spatial memory.
Page 101.0 - 115.0Harris RBS, Youngblood BD, Zhou J, Smagin GN, Ryan DH.Editors: Friedl K, Lieberman H, Ryan DH, Bray GA.LSU Press, Baton Rouge, Louisiana2000
Countermeasures for Battlefield Stressors, Pennington Nutrition Series
Chapter: Drug and nutrient effects on attention and cognitive performance during 40-hour sleep deprivation.
Page 290.0 - 305.0Waters WF, Magill RA, Hurry M, Bray GA, Smith S, Tulley R, Anderson T, Ryan DHEditors: Friedl K, Lieberman H, Ryan DH, Bray GA.LSU Press, Baton Rouge, Louisiana2000
Countermeasures for Battlefield Stressors, Pennington Nutrition Series
Chapter: The role of locus coeruleus corticotropin-releasing factor-norepinephrine interaction in the behavioral response to stress.
Page 88.0 - 100.0Smagin GS, Harris RBS, Ryan DH.Editors: Friedl K, Lieberman H, Ryan DH, Bray GA.LSU Press, Baton Rouge, Louisiana2000
Neural and Metabolic Control of Macronutrient Intake
Chapter: Stress and macronutrient selection
Page 473.0 - 486.0Harris RBS, Howell LA, Mitchell TD, Youngblood BD, York DA, Ryan DH.Editors: Berthoud H-R, Seeley RJ.CRC Press, Boca Raton, Florida2000
Women's Health: Prevention Is the Best Medicine, Pennington Nutrition Series
Page 45.0 - 65.0Editors: Bray GA, Ryan DH.LSU Press, Baton Rouge, Louisiana2000
Countermeasures for Battlefield Stressors, Pennington Nutrition Series
Page 27.0 - 30.0Editors: Friedl K, Lieberman H, Bray GA, Ryan DH.LSU Press, Baton Rouge, Louisiana2000
Nutrition, Genetics and Obesity, Pennington Nutrition Series
Chapter: Sibutramine: A new obesity agent enters the marketplace.
Page 513.0 - 529.0Ryan DHEditors: Bray GA, Ryan DH.LSU Press, Baton Rouge, Louisiana1999
Nutrition, Genetics and Obesity, Pennington Nutrition Series
Editors: Bray GA, Ryan DH.LSU Press, Baton Rouge, Louisiana1999
Therapy for Diabetes Mellitus and Related Disorders
Chapter: Pharmacological treatment of obesity.
Ryan DH, Bray GAEditors: Lebovitz HE.American Diabetes Association, Alexandria, Virginia1998
Nutrition and Reproduction, Pennington Nutrition Series
Editors: Hansel W, Bray GA, Ryan DH.LSU Press, Baton Rouge, Louisiana1998
The Minimal Model Approach and Determinants of Glucose Tolerance, Pennington Nutrition Series
Chapter: Insulin action and glucose metabolism in the cancer patient: Studies in cancer cachexia, breast cancer epidemiology, and insulin-secreting tumors.
Page 368.0 - 377.0Ryan DHEditors: Bergman RN, Lovejoy JC.LSU Press, Baton Rouge, Louisiana1997
Endocrinology and Metabolism Clinics of North America
Chapter: Medicating the obese patient.
Ryan DH.Editors: Bray GA.W. B. Saunders Company, Philadelphia, Pennsylvania1996
Nutrition, Genetics, and Heart Disease, Pennington Center Nutrition Series
Editors: Bray GA, Ryan DH.LSU Press, Baton Rouge, Louisiana1996
Molecular and Genetic Aspects of Obesity, Pennington Nutrition Series
Editors: Bray GA, Ryan DH.LSU Press, Baton Rouge, Louisiana1996
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Press Mentions

Wegovy Users Keep Pounds off for 4 Years: AnalysisMay 14th, 2024
More Studies Support Wegovy's Long-Term Weight-Loss BenefitsMay 14th, 2024