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Bionutrition Research Core

Wahida Karmally, DrPH, RD, CDE, CLS, Director
Paulette Schneider, Senior Diet Technician
Atheer Yacoub MS, RD, Research Dietitian
Chanel Rojas, Diet Technician

Presbyterian Hospital
622 West 168 Street
Floor 10, Room 310
Phone: (212) 305-6639
Fax: (212) 305-3213

The Bionutrition Research Core of the CRR is multifaceted in its role of facilitating and implementing the nutrition components of all CRR protocols, and specializes in:
  • Assisting investigators with research design, implementation, data collection and analysis.
  • Executing controlled feeding studies (via meals prepared on site or outsourced as appropriate) and metabolic studies.
  • Facilitating and monitoring subject compliance.
  • Performing nutrition assessment and nutrient intake collection and training study personnel on using Nutrient Data Systems (NDS, University of Minnesota) for nutrient analysis.
  • Counseling study participants, conducting anthropometric and body composition measurements.
  • Educating professional and non-professional staff, study participants, students from the College of Physicians & Surgeons, College of Dental Medicine, Institute of Human Nutrition, dietetic interns from Teachers' College, NewYork-Presbyterian Hospital and the public.

What others say:

"The Bionutrition Unit at the Irving Institute for Clinical Research is a wonderful resource. The staff go beyond the call of duty to assist investigators and in addition to providing outstanding services, they provide helpful advice in designing studies. During my time at Columbia University, the Bionutrition Unit was essential for the successful completion of several NIH studies, and it is clear to me that the skills and insights of Dr. Karmally and her staff are at the top level nationally and internationally. They have been extremely helpful in sharing their knowledge and experience with other centers."
Lars Berglund, MD PhD
Professor of Medicine
Senior Associate Dean for Research
Director, UC Davis CTSC
University of California, Davis

"The expertise of the nutrition unit helped with design and carrying out study protocol."
Judith Korner, MD, PhD
Irving Assistant Professor of Clinical Medicine

"The bionutrition unit of CU's CTSA responded with high enthusiasm for the NIH study to evaluate the nutritional status of patients with ALS. This landmark study will provide the scientific rationale for medical nutrition therapy in patients with ALS. In addition to the support with data collection and providing meals in the inpatient and outpatient units of the CRR, nutrition staff sees subjects who are unable to travel to the CRR, in the Neurology Institute. The bionutrition unit is key resource for the study."
Hiroshi Mitsomoto, MD
Wesley J. Howe Professor of Neurology, Neurological Institute

"The Bionutrition Unit provides a key service for our NIH funded study that examines how the brain regulates appetite and body weight. Our investigators appreciate the carefully controlled composition and quantity of the study meals. Our study subjects appreciate the quality and presentation of the study meals as well as the care and support of the nutrition staff."
Sharon Wardlaw, MD
Robert C. and Veronica Atkins Professor of Medicine

"Our studies focus on the basic physiology underlying human energy homeostasis and the causes of obesity. A particular focus is the systems regulating energy intake and output that account for the inability of most individuals to maintain a reduced body weight after otherwise successful weight loss. The duration of these in-patient studies is about 9 months per subject. The meticulous assessment and control of composition, quality, and quantity of the liquid formula diet utilized in these studies is absolutely central to their successful completion. The Bionutrition Core prepares and conducts quality control for this formula and also works diligently with all out subjects to make their in-patient stay more rewarding and more education. We absolutely could not carry out this work without their continuing fullest collaboration."
Michael Rosenbaum, MD
Associate Professor, Clinical Pediatrics and Medicine
Rudolph L. Leibel, MD
Professor, Pediatrics and Medicine
Director, Division of Molecular Genetics and the Naomi Berrie Diabetes Center

“A successful innovation in medical education in our Medical Housestaff Training Program for over a decade has been the Irving Institute Clinical Research Rotation. During this intensive and personally instructed 2.5 week period, second year medical residents learn clinical nutrition, clinical trial design, and are encouraged to develop their own project. The Department and Training Program are greatly indebted to the faculty, including Wahida Karmally, for their meticulous and enthusiastic instruction. This is a unique program for our recruitment and one that has led quite a few residents to undertake clinical research.”
Joseph Tenenbaum, MD
Edgar M. Leifer Professor of Clinical Medicine

Wahida Karmally received the Academy of Nutrition and Dietetics Award for Excellence in the  Practice of Dietetic Research  2012

Listen to Dr. Wahida Karmally discuss how the body processes sugar and its affect on our health and waistlines on the Leonard Lopate show
(original air date: Friday, April 2, 2010):

On Friday, January 22, 2010, Wahida Karmally testified on behalf of the American Diabetes Association in support of calorie labeling and the banning of trans fats in New York State. Click here to view her testimony.

Read Dr. Wahida Karmally’s article in Physician’s Weekly, “Setting the Stage for Good Nutrition in Diabetes.”

Dr. Wahida Karmally discuses organic foods on “Food Revolution”

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