@article{FoeckerTimmesfeldBuehlmeieretal.2021, author = {F{\"o}cker, Manuel and Timmesfeld, Nina and B{\"u}hlmeier, Judith and Zwanziger, Denise and F{\"u}hrer, Dagmar and Grasemann, Corinna and Ehrlich, Stefan and Egberts, Karin and Fleischhaker, Christian and Wewetzer, Christoph and Wessing, Ida and Seitz, Jochen and Herpertz-Dahlmann, Beate and Hebebrand, Johannes and Libuda, Lars}, title = {Vitamin D level trajectories of adolescent patients with anorexia nervosa at inpatient admission, during treatment, and at one year follow up: association with depressive symptoms}, series = {Nutrients}, volume = {13}, journal = {Nutrients}, number = {7}, issn = {2072-6643}, doi = {10.3390/nu13072356}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:20-opus-242662}, year = {2021}, abstract = {(1) Background: Evidence has accumulated that patients with anorexia nervosa (AN) are at higher risk for vitamin D deficiency than healthy controls. In epidemiologic studies, low 25(OH) vitamin D (25(OH)D) levels were associated with depression. This study analyzed the relationship between 25(OH)D serum levels in adolescent patients and AN and depressive symptoms over the course of treatment. (2) Methods: 25(OH)D levels and depressive symptoms were analyzed in 93 adolescent (in-)patients with AN from the Anorexia Nervosa Day patient versus Inpatient (ANDI) multicenter trial at clinic admission, discharge, and 1 year follow up. Mixed regression models were used to analyze the relationship between 25(OH)D levels and depressive symptoms assessed by the Beck Depression Inventory (BDI-II). (3) Results: Although mean 25(OH)D levels constantly remained in recommended ranges (≥50 nmol/L) during AN treatment, levels decreased from (in)patient admission to 1 year follow up. Levels of 25(OH)D were neither cross-sectionally, prospectively, nor longitudinally associated with the BDI-II score. (4) Conclusions: This study did not confirm that 25(OH)D levels are associated with depressive symptoms in patients with AN. However, increasing risks of vitamin D deficiency over the course of AN treatment indicate that clinicians should monitor 25(OH)D levels.}, language = {en} }