Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 46 Supple 1 2017 03 13 17 25 Zarin Sadat EBRAHIMI Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran Maryam PEIMANI Elderly Health Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran AND Dept. of Health Education & Promotion, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran Leila AZADBAKHT Obesity and Eating Habits Research Center, Endocrinology and Metabolism Molecular -Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran Ensieh NASLI-ESFAHANI Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran Farideh RAZI Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran Bagher LARIJANI Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran 2017 03 13 2017 03 13 Background: The study aim was to reports detailed characteristics of nutrition research in field of diabetes, and recognize knowledge gap in nutrition science in diabetes in Iran. Methods: Online databases of PubMed, Web of Science and Scopus as well as national databases including SID, IranMedex, and Magiran were searched up to 2015 to identify eligible articles. Finally, 378 articles were included. Results: Final articles were categorized based on WHO and Australian classifications, study design and subject area. The most number of studies (80%) was related in strategies and interventions of health-related outcome group the WHO classification. The most percentage of publications in Australian classification system was allocated to clinical researches (78%) and the least studies were health service studies (0.08%). The most common designs used in the obtained documents (41%) were Randomized Clinical Trials (RCT) and about 17% of publications were animal studies. Cohort studies were the least studies among the obtained documents. The most common subject was type 2 Diabetes Mellitus and its complications followed by DM management (64%, n=241). The least numbers of publications were dedicated to GDM (Gestational Diabetes Mellitus). There was a large ascent in studies during 2010-2011 and 2012-2013. Conclusion: Available evidence provides very good support for the role of nutrition diets in the prevention and management of all types of diabetes. This systematic review indicates trend of nutrition researches in diabetes was noticeable flourished, while the important subjects in diabetes studies are forgotten or unimportance.     https://ijph.tums.ac.ir/index.php/ijph/article/view/9358 https://ijph.tums.ac.ir/index.php/ijph/article/download/9358/5113