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Any primary hypomagnesemia in which the cause of the disease is a mutation in the EGF gene.
Features include always present findings: Moderate intellectual disability, Hypomagnesemia, Seizure, and Global developmental delay.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 3 | Moderate intellectual disability, Seizure, Global developmental delay |
EGF encodes epidermal growth factor (1,207 aa). EGF stimulates the growth of various epidermal and epithelial tissues in vivo and in vitro and of some fibroblasts in cell culture. Highest expression in Kidney Medulla (43.6 TPM) and Muscle Skeletal (23.0 TPM).
Renal hypomagnesemia 4 has limited evidence linking it to mutations in the EGF gene on chromosome 4.
EGF is classified as a druggable target (Clinically Actionable, Drug Resistance, Druggable Genome, and Growth Factor categories) with score 8.7.
Genetic testing for EGF is available. Testing is considered research-grade for diagnosis.
Biomarker and diagnostic research for renal hypomagnesemia 4 has been reported in the published literature.
Phenotype severity distribution: 4 always present features.
No clinical trials have been registered for renal hypomagnesemia 4.
52 publications have been identified in PubMed for renal hypomagnesemia 4. Research spans Case Report / Case Series (46%), Review / Meta-Analysis (13%), and Clinical Trial Publication (13%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 24 | 46% |
Data assembled from 6 of 12 sources · Last updated Sep 19, 2026, 8:51 AM UTC
Online Mendelian Inheritance in Man
7 |
13% |
Clinical study results | 7 | 13% |
Disease patterns and progression | 6 | 12% |
Testing and diagnosis research | 5 | 10% |
Laboratory research | 2 | 4% |
New treatment approaches | 1 | 2% |
Zhang Y (2026). [PMID: 41971912](https://pubmed.ncbi.nlm.nih.gov/41971912/). *AME Case Rep*. [Case Report / Case Series]
Vasudevan S (2026). [PMID: 42084553](https://pubmed.ncbi.nlm.nih.gov/42084553/). *Curr Med Res Opin*. [Clinical Trial Publication]
Aotani R (2026). [PMID: 41668966](https://pubmed.ncbi.nlm.nih.gov/41668966/). *JCEM case reports*. [Case Report / Case Series]
Yang Y (2026). [PMID: 41924323](https://pubmed.ncbi.nlm.nih.gov/41924323/). *Clinical nephrology. Case studies*. [Case Report / Case Series]
Sassi A (2026). [PMID: 41934123](https://pubmed.ncbi.nlm.nih.gov/41934123/). *Curr Opin Nephrol Hypertens*. [Review / Meta-Analysis]
Hsiao PJ (2026). [PMID: 41938509](https://pubmed.ncbi.nlm.nih.gov/41938509/). *International journal of medical sciences*. [Epidemiology / Natural History]
Lafeer R (2026). [PMID: 42211619](https://pubmed.ncbi.nlm.nih.gov/42211619/). *Cureus*. [Case Report / Case Series]
Vaghasia N (2026). [PMID: 42170515](https://pubmed.ncbi.nlm.nih.gov/42170515/). *JCEM Case Rep*. [Case Report / Case Series]
Zhao PH (2026). [PMID: 42164366](https://pubmed.ncbi.nlm.nih.gov/42164366/). *Transl Androl Urol*. [Epidemiology / Natural History]
Betsema L (2026). [PMID: 41484433](https://pubmed.ncbi.nlm.nih.gov/41484433/). *Cancer chemotherapy and pharmacology*. [Case Report / Case Series]