De Benoist B, McLean E, Egli I, Cogswell M. Worldwide prevalence of anaemia 1993-2005. WHO global database on anaemia Geneva, Switzerland: World Health Organization; 2008. Nutr Clin Pract. 2008;23(2):128–41.
Article
Google Scholar
Kassebaum NJ, Jasrasaria R, Naghavi M, Wulf SK, Johns N, Lozano R, et al. A systematic analysis of global anemia burden from 1990 to 2010. Blood. 2014;123(5):615–24.
Article
CAS
PubMed
PubMed Central
Google Scholar
Zimmermann MB, Hurrell RF. Nutritional iron deficiency. Lancet. 2007;370(9586):511–20.
Article
CAS
PubMed
Google Scholar
Clark SF. Iron deficiency anemia: diagnosis and management. Curr Opin Gastroenterol. 2009;25(2):122–8.
Article
CAS
PubMed
Google Scholar
Hershko C, Hoffbrand AV, Keret D, Souroujon M, Maschler I, Monselise Y, et al. Role of autoimmune gastritis, Helicobacter pylori and celiac disease in refractory or unexplained iron deficiency anemia. Haematologica. 2005;90(5):585–95.
CAS
PubMed
Google Scholar
Corazza G, Valentini R, Andreani M, D'anchino M, Leva M, Ginaldi L, et al. Subclinical coeliac disease is a frequent cause of iron-deficiency anaemia. Scand J Gastroenterol. 1995;30(2):153–6.
Article
CAS
PubMed
Google Scholar
Kulnigg S, Gasche C. Systematic review: managing anaemia in Crohn’s disease. Aliment Pharmacol Ther. 2006;24(11–12):1507–23.
Article
CAS
PubMed
Google Scholar
Gasche C. Anemia in IBD: the overlooked villain. Inflamm Bowel Dis. 2000;6(2):142–50.
Article
CAS
PubMed
Google Scholar
De Nicola L, Minutolo R, Chiodini P, Zamboli P, Cianciaruso B, Nappi F, et al. Prevalence and prognosis of mild anemia in non-dialysis chronic kidney disease: a prospective cohort study in outpatient renal clinics. Am J Nephrol. 2010;32(6):533–40.
Article
PubMed
Google Scholar
Minutolo R, Locatelli F, Gallieni M, Bonofiglio R, Fuiano G, Oldrizzi L, et al. Anaemia management in non-dialysis chronic kidney disease (CKD) patients: a multicentre prospective study in renal clinics. Nephrol Dial Transplant. 2013;28(12):3035–45.
Article
CAS
PubMed
Google Scholar
Baribeault D, Auerbach M. Iron replacement therapy in cancer-related anemia. Am J Health Syst Pharm. 2011;68(10 Supplement 1):S4–S14.
Article
CAS
PubMed
Google Scholar
Jankowska EA, Rozentryt P, Witkowska A, Nowak J, Hartmann O, Ponikowska B, et al. Iron deficiency: an ominous sign in patients with systolic chronic heart failure. Eur Heart J. 2010;31(15):1872–80.
Article
CAS
PubMed
Google Scholar
Klip IT, Comin-Colet J, Voors AA, Ponikowski P, Enjuanes C, Banasiak W, et al. Iron deficiency in chronic heart failure: an international pooled analysis. Am Heart J. 2013;165(4):575–82. e3.
Article
CAS
PubMed
Google Scholar
Allen RP, Auerbach S, Bahrain H, Auerbach M, Earley CJ. The prevalence and impact of restless legs syndrome on patients with iron deficiency anemia. Am J Hematol. 2013;88(4):261–4.
Article
PubMed
Google Scholar
Wang J, O’Reilly B, Venkataraman R, Mysliwiec V, Mysliwiec A. Efficacy of oral iron in patients with restless legs syndrome and a low-normal ferritin: a randomized, double-blind, placebo-controlled study. Sleep Med. 2009;10(9):973–5.
Article
PubMed
Google Scholar
Evstatiev R, Marteau P, Iqbal T, Khalif IL, Stein J, Bokemeyer B, et al. FERGIcor, a randomized controlled trial on ferric carboxymaltose for iron deficiency anemia in inflammatory bowel disease. Gastroenterology. 2011;141(3):846–53. e2.
Article
CAS
PubMed
Google Scholar
Verdon F, Burnand B, Stubi CF, Bonard C, Graff M, Michaud A, et al. Iron supplementation for unexplained fatigue in non-anaemic women: double blind randomised placebo controlled trial. Bmj. 2003;326(7399):1124.
Article
CAS
PubMed
PubMed Central
Google Scholar
Falkingham M, Abdelhamid A, Curtis P, Fairweather-Tait S, Dye L, Hooper L. The effects of oral iron supplementation on cognition in older children and adults: a systematic review and meta-analysis. Nutr J. 2010;9(1):4.
Article
PubMed
PubMed Central
CAS
Google Scholar
Goddard A, McIntyre AS, Scott BB. Guidelines for the management of iron deficiency anaemia. Gut. 2000;46(suppl 4):iv1–5.
PubMed
PubMed Central
Google Scholar
Holick MF. Vitamin D: extraskeletal health. Rheum Dis Clin. 2012;38(1):141–60.
Article
Google Scholar
Bahrami LS, Jandaghi SHSS, Janani L, Pahlavan M, Arabi SM, Sadeghi H, et al. Vitamin D supplementation and serum heat shock protein 60 levels in patients with coronary heart disease: a randomized clinical trial. Nutr Metab. 2018;15(1):56.
Article
CAS
Google Scholar
Baeke F, Gysemans C, Korf H, Mathieu C. Vitamin D insufficiency: implications for the immune system. Pediatr Nephrol. 2010;25(9):1597–606.
Article
PubMed
Google Scholar
Adams JS, Hewison M. Unexpected actions of vitamin D: new perspectives on the regulation of innate and adaptive immunity. Nat Rev Endocrinol. 2008;4(2):80.
Article
CAS
Google Scholar
Blazsek I, Farabos C, Quittet P, Labat M-L, Bringuier AF, Triana BK, et al. Bone marrow stromal cell defects and 1 alpha, 25-dihydroxyvitamin D3 deficiency underlying human myeloid leukemias. Cancer Detect Prev. 1996;20(1):31–42.
CAS
PubMed
Google Scholar
Lucisano S, Di Mauro E, Montalto G, Cernaro V, Buemi M, Santoro D. Vitamin D and anemia. J Ren Nutr. 2014;24(1):61–2.
Article
CAS
PubMed
Google Scholar
Sim JJ, Lac PT, Liu ILA, Meguerditchian SO, Kumar VA, Kujubu DA, et al. Vitamin D deficiency and anemia: a cross-sectional study. Ann Hematol. 2010;89(5):447–52.
Article
CAS
PubMed
Google Scholar
Perlstein TS, Pande R, Berliner N, Vanasse GJ. Prevalence of 25-hydroxyvitamin D deficiency in subgroups of elderly persons with anemia: association with anemia of inflammation. Blood. 2011. https://doi.org/10.1182/blood-2010-09-309708.
Yoo E-H, Cho H-J. Prevalence of 25-hydroxyvitamin D deficiency in Korean patients with anemia. Am Soc Hematol. 2012;120(21):5164.
Icardi A, Paoletti E, De Nicola L, Mazzaferro S, Russo R, Cozzolino M. Renal anaemia and EPO hyporesponsiveness associated with vitamin D deficiency: the potential role of inflammation. Nephrol Dial Transplant. 2013;28(7):1672–9.
Article
CAS
PubMed
Google Scholar
Zughaier SM, Alvarez JA, Sloan JH, Konrad RJ, Tangpricha V. The role of vitamin D in regulating the iron-hepcidin-ferroportin axis in monocytes. J Clin Transl Endocrinol. 2014;1(1):e19–25.
CAS
PubMed Central
Google Scholar
Stewart LA, Clarke M, Rovers M, Riley RD, Simmonds M, Stewart G, et al. Preferred reporting items for a systematic review and meta-analysis of individual participant data: the PRISMA-IPD statement. Jama. 2015;313(16):1657–65.
Article
PubMed
Google Scholar
Liberati A, Altman DG, Tetzlaff J, Mulrow C, Gøtzsche PC, Ioannidis JP, et al. The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration. PLoS Med. 2009;6(7):e1000100.
Article
PubMed
PubMed Central
Google Scholar
O'Connor D, Green S, Higgins JP. Defining the review question and developing criteria for including studies, Cochrane handbook for systematic reviews of interventions: Cochrane book series; 2008. p. 81–94.
Google Scholar
Higgins J, Green S. Cochrane Handbook for Systematic Reviews of Interventions Version 5.1. 0. The Cochrane Collaboration website; 2009.
Google Scholar
DerSimonian R, Laird N. Meta-analysis in clinical trials. Control Clin Trials. 1986;7(3):177–88.
Article
CAS
PubMed
Google Scholar
DerSimonian R, Laird N. Meta-analysis in clinical trials revisited. Contemp Clin Trials. 2015;45:139–45.
Article
PubMed
PubMed Central
Google Scholar
Egger M, Smith GD, Schneider M, Minder C. Bias in meta-analysis detected by a simple, graphical test. Bmj. 1997;315(7109):629–34.
Article
CAS
PubMed
PubMed Central
Google Scholar
Egger M, Davey-Smith G, Altman D. Systematic reviews in health care: meta-analysis in context. BMJ. 2007.
Higgins JP, Thompson SG, Deeks JJ, Altman DG. Measuring inconsistency in meta-analyses. Bmj. 2003;327(7414):557–60.
Article
PubMed
PubMed Central
Google Scholar
Hennigar SR, Gaffney-Stomberg E, Lutz LJ, Cable SJ, Pasiakos SM, Young AJ, et al. Consumption of a calcium and vitamin D-fortified food product does not affect iron status during initial military training: a randomised, double-blind, placebo-controlled trial. Br J Nutr. 2016;115(4):637–43.
Article
CAS
PubMed
Google Scholar
Miskulin DC, Majchrzak K, Tighiouart H, Muther RS, Kapoian T, Johnson DS, et al. Ergocalciferol supplementation in hemodialysis patients with vitamin D deficiency: a randomized clinical trial. J Am Soc Nephrol. 2016;27(6):1801–10.
Article
CAS
PubMed
Google Scholar
Madar AA, Stene LC, Meyer HE, Brekke M, Lagerløv P, Knutsen KV. Effect of vitamin D 3 supplementation on iron status: a randomized, double-blind, placebo-controlled trial among ethnic minorities living in Norway. Nutr J. 2015;15(1):74.
Article
CAS
Google Scholar
Panwar B, McCann D, Olbina G, Westerman M, Gutiérrez OM. Effect of calcitriol on serum hepcidin in individuals with chronic kidney disease: a randomized controlled trial. BMC Nephrol. 2018;19(1):35.
Article
PubMed
PubMed Central
CAS
Google Scholar
Smith EM, Alvarez JA, Kearns MD, Hao L, Sloan JH, Konrad RJ, et al. High-dose vitamin D3 reduces circulating hepcidin concentrations: a pilot, randomized, double-blind, placebo-controlled trial in healthy adults. Clin Nutr. 2017;36(4):980–5.
Article
CAS
PubMed
Google Scholar
Sooragonda B, Bhadada SK, Shah VN, Malhotra P, Ahluwalia J, Sachdeva N. Effect of vitamin D replacement on hemoglobin concentration in subjects with concurrent iron-deficiency anemia and vitamin D deficiency: a randomized, single-blinded, placebo-controlled trial. Acta Haematol. 2015;133(1):31–5.
Article
CAS
PubMed
Google Scholar
Toxqui L, Pérez-Granados AM, Blanco-Rojo R, Wright I, González-Vizcayno C, Vaquero MP. Effects of an iron or iron and vitamin D–fortified flavored skim milk on iron metabolism: a randomized controlled double-blind trial in iron-deficient women. J Am Coll Nutr. 2013;32(5):312–20.
Article
CAS
PubMed
Google Scholar
Trautvetter U, Neef N, Leiterer M, Kiehntopf M, Kratzsch J, Jahreis G. Effect of calcium phosphate and vitamin D 3 supplementation on bone remodelling and metabolism of calcium, phosphorus, magnesium and iron. Nutr J. 2014;13(1):6.
Article
PubMed
PubMed Central
CAS
Google Scholar
Dahlquist DT, Stellingwerff T, Dieter BP, McKenzie DC, Koehle MS. Effects of macro-and micronutrients on exercise-induced hepcidin response in highly trained endurance athletes. Appl Physiol Nutr Metab. 2017;42(10):1036–43.
Article
CAS
PubMed
Google Scholar
Ernst J, Prokop S, Fuchs U, Dreier J, Kuhn J, Knabbe C, et al. Randomized supplementation of 4000 IU vitamin D 3 daily vs placebo on the prevalence of anemia in advanced heart failure: the EVITA trial. Nutr J. 2017;16(1):49.
Article
CAS
PubMed
PubMed Central
Google Scholar
Ernst JB, Tomaschitz A, Grübler MR, Gaksch M, Kienreich K, Verheyen N, et al. Vitamin D supplementation and hemoglobin levels in hypertensive patients: a randomized controlled trial. Int J Endocrinol. 2016;2016:6836402.
Article
PubMed
PubMed Central
CAS
Google Scholar
Jastrzebska M, Kaczmarczyk M, Suárez AD, Sánchez GFL, Jastrzebska J, Radziminski L, et al. Iron, hematological parameters and blood plasma lipid profile in vitamin D supplemented and non-supplemented young soccer players subjected to high-intensity interval training. J Nutr Sci Vitaminol. 2017;63(6):357–64.
Article
CAS
PubMed
Google Scholar
Walentukiewicz A, Lysak-Radomska A, Jaworska J, Prusik K, Prusik K, Kortas J, et al. Vitamin D supplementation and Nordic walking training decreases serum homocysteine and ferritin in elderly women. Int J Environ Res Public Health. 2018;15(10):2064.
Article
CAS
PubMed Central
Google Scholar
Smith EM, Jones JL, Han JE, Alvarez JA, Sloan JH, Konrad RJ, et al. High-dose vitamin D3 administration is associated with increases in hemoglobin concentrations in mechanically ventilated critically ill adults: a pilot double-blind, randomized, placebo-controlled trial. J Parenter Enter Nutr. 2018;42(1):87–94.
CAS
Google Scholar
Begg CB, Mazumdar M. Operating characteristics of a rank correlation test for publication bias. Biometrics. 1994;50:1088–101.
Article
CAS
PubMed
Google Scholar
Liu T, Zhong S, Liu L, Liu S, Li X, Zhou T, et al. Vitamin D deficiency and the risk of anemia: a meta-analysis of observational studies. Ren Fail. 2015;37(6):929–34.
Article
CAS
PubMed
Google Scholar
Basutkar RS, Tsundue T, Siva H, Rose A, Ponnusankar S, Mishra S, et al. Vitamin D supplementation in patients with iron deficiency Anaemia: a systematic review and a meta-analysis. Syst Rev Pharm. 2018;1:172–4.
Google Scholar
Alon DB, Chaimovitz C, Dvilansky A, Lugassy G, Douvdevani A, Shany S, et al. Novel role of 1, 25 (OH) 2D3 in induction of erythroid progenitor cell proliferation. Exp Hematol. 2002;30(5):403–9.
Article
PubMed
Google Scholar
Smith EM, Tangpricha V. Vitamin D and anemia: insights into an emerging association. Curr Opin Endocrinol Diabetes Obes. 2015;22(6):432.
Article
CAS
PubMed
PubMed Central
Google Scholar
Madathil SV, Coe LM, Casu C, Sitara D. Klotho deficiency disrupts hematopoietic stem cell development and erythropoiesis. Am J Pathol. 2014;184(3):827–41.
Article
CAS
Google Scholar
Russo D, Morrone L, Di Iorio B, Andreucci M, De Gregorio MG, Errichiello C, et al. Parathyroid hormone may be an early predictor of low serum hemoglobin concentration in patients with not advanced stages of chronic kidney disease. J Nephrol. 2015;28(6):701–8.
Article
CAS
PubMed
Google Scholar
Bhadada SK, Bhansali A, Ahluwalia J, Chanukya G, Behera A, Dutta P. Anaemia and marrow fibrosis in patients with primary hyperparathyroidism before and after curative parathyroidectomy. Clin Endocrinol. 2009;70(4):527–32.
Article
Google Scholar
Rao DS, Shih M-S, Mohini R. Effect of serum parathyroid hormone and bone marrow fibrosis on the response to erythropoietin in uremia. N Engl J Med. 1993;328(3):171–5.
Article
CAS
PubMed
Google Scholar
Scialla JJ, Wolf M. Roles of phosphate and fibroblast growth factor 23 in cardiovascular disease. Nat Rev Nephrol. 2014;10(5):268.
Article
CAS
PubMed
Google Scholar
Coe LM, Madathil SV, Casu C, Lanske B, Rivella S, Sitara D. FGF-23 is a negative regulator of prenatal and postnatal erythropoiesis. J Biol Chem. 2014;289(14):9795–810.
Article
CAS
PubMed
PubMed Central
Google Scholar
Riccio E, Sabbatini M, Bruzzese D, Capuano I, Migliaccio S, Andreucci M, et al. Effect of paricalcitol vs calcitriol on hemoglobin levels in chronic kidney disease patients: a randomized trial. PLoS One. 2015;10(3):e0118174.
Article
PubMed
PubMed Central
CAS
Google Scholar