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Syndrome reference sheet
Generated 12 Oct 2026
Endocrinology · Endocrinology / Bone and mineral disorders Barakat syndrome
Also known as: HDR syndrome; hypoparathyroidism, deafness and renal dysplasia
Triad of hypoparathyroidism, sensorineural deafness and renal anomalies.
- Medical specialty
- Endocrinology
- Subspecialty
- Endocrinology / Bone and mineral disorders
- Sex & age distribution
- Male: affected; Female: affected equally; Children: yes
- Gene(s) involved
- GATA3
Etiology & mechanism
GATA3 haploinsufficiency.
Gene(s) involved (1)
GATA3
Symptoms & signs (6)
hypocalcemiarenal dysplasiaseizuressensorineural deafnesstetanyvesicoureteral reflux