Vitamin D-dependent rickets type 1 (VDDRIA) is an autosomal recessive disorder caused by mutations in the Cytochrome P450 Family 27 Subfamily B Member 1 (CYP27B1) gene, which encodes for the enzyme 1 alpha-hydroxylase. We report a known case of VDDRIA with hypotonia, growth and developmental disorders and discuss about the mutation and its management.
Keywords: 125‐dihydroxyvitamin D; CYP27B1 gene; VDDR1A; autosomal recessive mutation; rickets.
© 2023 Mazandaran University of Medical Sciences. Clinical Case Reports published by John Wiley & Sons Ltd.