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A severe congenital enteropathy manifesting as intractable diarrhea in the first month of life with failure to thrive and associated with facial dysmorphism, hair abnormalities, and, in some cases, immune disorders and intrauterine growth restriction.
Features include very common findings: Abnormal facial shape, Intractable diarrhea, Woolly hair, and Immunodeficiency; and common findings: Hypertelorism, Broad forehead, Wide nasal bridge, and Mild intellectual disability and others. 52 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Digestive system | 9 | Intractable diarrhea, Abnormality of the liver, Liver scarring (cirrhosis) (cirrhosis) |
To date, no diagnostic algorithm for trichohepatoenteric syndrome (THES) has been published.
THES should be suspected in individuals with the following clinical findings :
Source: GeneReviews — "Trichohepatoenteric Syndrome"
No approved treatments are currently available for trichohepatoenteric syndrome. The disease remains an area of unmet medical need.
To establish the extent of disease and needs in an individual diagnosed with trichohepatoenteric syndrome (THES), the following evaluations are recommended:
Nutritional evaluation by a specialist pediatric nutritionist
Although there are no consensus guidelines, the following surveillance is recommended:
For children not receiving parenteral nutrition, close monitoring of nutritional status by a pediatric nutritionist to assure prompt intervention should nutritional deficiency become a concern
Yearly assessment of the following main features:
No clinical trials have been registered for trichohepatoenteric syndrome.
15 publications have been identified in PubMed for trichohepatoenteric syndrome. Research spans Case Report / Case Series (60%), Review / Meta-Analysis (20%), and Other (7%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 9 | 60% |
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 3:01 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Blood and immune system | 5 | Immunodeficiency, Elevated platelet count (thrombocytosis), Recurrent infections |
Heart and blood vessels | 5 | Abnormal heart morphology, Ventricular septal defect, Atrial septal defect |
Brain and nerves | 2 | Mild intellectual disability, Global developmental delay |
Growth and development | 2 | Intrauterine growth retardation, Short stature |
Skin | 2 | Abnormal skin morphology, Dry skin |
Kidneys and urinary system | 2 | Renal hypoplasia, Polycystic kidney dysplasia |
Head and neck | 1 | Abnormal facial shape |
Muscles | 1 | Villous atrophy |
Eyes | 1 | Glaucoma |
Hormones | 1 | Hypothyroidism |
Lungs and breathing | 1 | Peripheral pulmonary artery stenosis |
Age of onset: at birth, before birth.
Trichohepatoenteric syndrome (THES) is considered a syndrome of neonatal enteropathy . THES is characterized by the association of intractable diarrhea (seen in almost all affected children), woolly hair (seen in all, but may not be obvious at a young age or due to cultural grooming practices), intrauterine growth restriction (IUGR), facial dysmorphism, and short stature, as well as poorly characterized immunodeficiency (sometimes with macrophage activation syndrome), recurrent infections, skin abnormalities, and liver disease. Intellectual disability (ID) is seen in about 50% of children. Less common findings include congenital heart defects and platelet anomalies. To date 52 affected individuals have been reported .
Source: GeneReviews — "Trichohepatoenteric Syndrome"
Table 3. Monogenic Disorders with Intractable Diarrhea to Consider in the Differential Diagnosis of Trichohepatoenteric Syndrome
Disorder | Gene | MOI | Distinguishing Clinical Features of Differential Diagnosis Disorder |
|---|---|---|---|
EPCAM | AR | Specific intestinal pathology (tuft) IPEX syndrome | — |
FOXP3 | XL | Low regulatory T cells Gastrointestinal defects and immunodeficiency syndrome (OMIM 243150) | — |
TTC7A | AR | Duodenal atresia Syndromic congenital tufting enteropathy (OMIM 270420) | — |
SPINT2 | AR | Specific intestinal pathology (tuft)Choanal atresia AR = autosomal recessive; IPEX = immune dysregulation, polyendocrinopathy, enteropathy, X-linked; MOI = mode of inheritance; XL = X-linked See Diarrhea, congenital: OMIM Phenotypic Series to view genes associated with this phenotype in OMIM. | — |
Source: GeneReviews — "Trichohepatoenteric Syndrome"
Immunologic assessment with serum IgG, IgM, IgA; immunophenotyping; if immunization has been performed before, evaluation of the level of specific antibodies to detect a rapid loss of protective antibodies, which would require immunoglobulin supplementation
Liver assessment: ultrasound evaluation; assessment of liver enzymes (ALT/AST, GGT); in case of abnormalities, consult a pediatric hepatologist for recommendations on additional investigations
Cardiac evaluation for congenital malformations
Age-appropriate assessment of cognitive development, speech and language development, and psychosocial skills
Consultation with a clinical geneticist and/or genetic counselor
No specific treatment is available. The goals of the treatment are to promote maximal weight gain and linear growth, to reduce the burden of infections, and to provide individual management of intellectual disability. Weight gain. Most children, when first diagnosed, require parenteral nutrition (PN) to achieve appropriate weight gain and catch-up growth. Although PN is usually required, it can be combined (as tolerated) with oral feeding – typically a semi-elemental diet .
Source: GeneReviews — "Trichohepatoenteric Syndrome"
Search ClinicalTrials.gov in the US and EU Clinical Trials Register in Europe for access to information on clinical studies for a wide range of diseases and conditions. Note: There may not be clinical trials for this disorder.
Source: GeneReviews — "Trichohepatoenteric Syndrome"
View trials for trichohepatoenteric syndrome
Diarrhea. If the nature of the diarrhea changes (e.g., appearance of bloody diarrhea), investigation of possible inflammatory bowel disease (IBD) is warranted .
Liver function. Ultrasound examination and measurement of liver enzymes (AST, ALT, GGT), International Normalized Ratio (INR), and bilirubin
Serum concentration of IgG, IgM, IgA, and immunoglobulin functionality (i.e., immunophenotyping) even if results at the time of initial evaluation were normal. Consultation with an immunologist is warranted if immunoglobulin levels are low or if normal immunoglobulin levels are associated with a loss of specific protective antibody.
TSH level for evidence of hypothyroidism
Assessment of cognitive development, speech and language, and psychosocial skills for evidence of intellectual disability at ages 2, 4, 8, 12, and 15 years unless concerns appear earlier
As evolution of the dermatologic features (mostly hypo- or hyperpigmented patches and hair abnormalities) is unknown, regular evaluation by a dermatologist seems reasonable.
Source: GeneReviews — "Trichohepatoenteric Syndrome"
Phenotype severity distribution: 4 very common features, 21 common features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
3 |
20% |
Other research | 1 | 7% |
Clinical study results | 1 | 7% |
Laboratory research | 1 | 7% |
Wang D (2026). [PMID: 41916887](https://pubmed.ncbi.nlm.nih.gov/41916887/). *Zhonghua Yi Xue Yi Chuan Xue Za Zhi*. [Review / Meta-Analysis]
Narishige Y (2026). [PMID: 41756285](https://pubmed.ncbi.nlm.nih.gov/41756285/). *Front Immunol*. [Case Report / Case Series]
Taha HM (2026). [PMID: 42253433](https://pubmed.ncbi.nlm.nih.gov/42253433/). *Case Rep Med*. [Case Report / Case Series]
Cheng-Xun SC (2026). [PMID: 41531377](https://pubmed.ncbi.nlm.nih.gov/41531377/). *Pediatr Allergy Immunol*. [Case Report / Case Series]
Sun Z (2025). [PMID: 41081434](https://pubmed.ncbi.nlm.nih.gov/41081434/). *Mol Genet Genomic Med*. [Review / Meta-Analysis]
Mainas A (2025). [PMID: 40386307](https://pubmed.ncbi.nlm.nih.gov/40386307/). *Biomed Rep*. [Case Report / Case Series]
da Silva Franco JF (2025). [PMID: 39390792](https://pubmed.ncbi.nlm.nih.gov/39390792/). *Clin Genet*. [Case Report / Case Series]
Ochiai K (2025). [PMID: 40675981](https://pubmed.ncbi.nlm.nih.gov/40675981/). *Hum Genome Var*. [Basic Science / Preclinical]
Sonokawa T (2024). [PMID: 38723757](https://pubmed.ncbi.nlm.nih.gov/38723757/). *Photodiagnosis Photodyn Ther*. [Clinical Trial Publication]
Zhu Y (2024). [PMID: 38737560](https://pubmed.ncbi.nlm.nih.gov/38737560/). *SAGE Open Med Case Rep*. [Case Report / Case Series]