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Kabuki syndrome (KS) is a multiple congenital anomaly syndrome characterized by typical facial features, skeletal anomalies, mild to moderate intellectual disability and postnatal growth deficiency.
No HPO annotations are available for this condition.
Age of onset: infancy, at birth, newborn period, before birth.
This section summarizes findings in more than 400 individuals with a molecularly confirmed diagnosis of Kabuki syndrome (KS).
Individuals with KS typically exhibit normal growth parameters at birth.
Consensus clinical diagnostic criteria for Kabuki syndrome (KS) have been published .
KS should be suspected in individuals with any combination of the five cardinal manifestations as defined by , specific structural anomalies, and/or functional differences.
Cardinal manifestations
1 Typical facial features:
No approved treatments are currently available for Kabuki syndrome. An additional 2 compounds hold orphan drug designation.
While no drugs are FDA-approved specifically for Kabuki syndrome, some of the following designated compounds may be used off-label in clinical practice. Treatment decisions should be made in consultation with a specialist familiar with this condition.
The following drugs have received orphan drug designation from the FDA for Kabuki syndrome. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor |
|---|
Table 5. Recommended Surveillance for Individuals with Kabuki Syndrome
System/Concern |
|---|
1 clinical trial registered, 1 recruiting. Interventions under study include other interventions. Research is primarily sponsored by academic and government institutions.
134 publications have been identified in PubMed for Kabuki syndrome. Research spans Case Report / Case Series (43%), Basic Science / Preclinical (26%), and Review / Meta-Analysis (12%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 58 | 43% |
Data assembled from 6 of 12 sources · Last updated Sep 19, 2026, 1:54 PM UTC
Patient Advocacy Groups (PAGs) provide support, resources, and community for patients and caregivers.
European rare disease database
Genetic and Rare Diseases Info Center
Source: GeneReviews — "Kabuki Syndrome"
Highly arched and broad eyebrows with the lateral third displaying sparseness or notching
Short columella with depressed nasal tip
Large, prominent, and/or cupped ears
2 Skeletal anomalies:
Spine abnormalities including sagittal clefts, hemivertebrae, butterfly vertebrae, narrow intervertebral disc space, and/or scoliosis
Brachydactyly V
Brachymesophalangy
Clinodactyly of fifth digits
Source: GeneReviews — "Kabuki Syndrome"
Table 2.
Disorders to Consider in the Differential Diagnosis of Kabuki Syndrome (KS)
Disorder | Gene(s) | MOI | Clinical Features
Overlapping w/KS | Distinguishing from KS
| CHD7 | AD | • Cleft palate
Congenital heart defects
Ocular coloboma
Growth restriction
| In CHARGE syndrome:
Square face
Short, wide ear w/little or no earlobe
Prominent columella
Broad nasal root
In KS: fingertip pads
22q11.2 deletion syndrome | See footnote 1. | AD | • Cleft palate
Congenital heart defects
Urinary tract anomalies
| In 22q11 deletion syndrome:
Short narrow palpebral fissures w/hooded eyelids
Bulbous nasal tip
Small, C-shaped ears w/overfolded superior /or lateral helices
IRF6-related disorders2 | IRF6 | AD | • Cleft lip palate
Lip pits
Source: GeneReviews — "Kabuki Syndrome"
Biomarker and diagnostic research for Kabuki syndrome has been reported in the published literature.
Designated
Exclusivity End |
|---|
Designation Status |
|---|
Dabrafenib | Dabrafenib | Rescindo Therapeutics Inc. | 2020 | — | Designated |
5-{(1R,2R)-2-[(Cyclopropylmethyl)amino]cyclopropyl}-N-(tetrahydro-2H-pyran-4-yl)thiophene-3-carboxamide monohydrochloride | 5-{(1R,2R)-2-[(Cyclopropylmethyl)amino]cyclopropyl}-N-(tetrahydro-2H-pyran-4-yl)thiophene-3-carboxamide monohydrochloride | Takeda Development Center Americas, Inc. | 2018 | — | Withdrawn |
Comprehensive management guidelines for Kabuki syndrome (KS) were developed in 2010 but have not been updated; these guidelines are available online (pdf). Evaluations Following Initial Diagnosis To establish the extent of disease and the needs of an individual diagnosed with KS, the following evaluations are recommended if they have not already been completed: Table 3. Recommended Evaluations Following Initial Diagnosis in Individuals with Kabuki Syndrome
System/Concern | Evaluation | Comment |
|---|---|---|
Growth | Measurement of height, weight, head circumference | Consider plotting growth on KMT2D-related KS-specific growth charts.1; Growth restriction poor weight gain are common sequela of feeding difficulties. |
Ophthalmologic | Ophthalmology eval | For assessment of strabismus, refractive error, ptosis, corneal abnormalities |
Hearing | Baseline audiology eval | To assess for conductive /or sensorineural hearing loss |
Mouth | Directed evaluation of the palate for palatal anomalies | Consider referral to a craniofacial specialist if palatal anomalies are suspected. Consider dental eval for those age 3 yrs. |
Cardiac | Echocardiogram w/visualization of the aortic arch | To assess for congenital heart defects incl coarctation of the aorta Consider EKG. |
Respiratory | Consider chest radiographs to assess for diaphragmatic eventuation. | In those w/respiratory issues, chronic cough, or recurrent pneumonia Gastrointestinal/ |
Feeding | Assess nutritional status, feeding, GERD. | Consider assessment by feeding team /or VFSS for those w/suspected dysphagia.; Infants may have FTT; adolescents adults may have obesity. |
Genitourinary | Baseline kidney ultrasound | To evaluate for kidney anomalies hydronephrosis Physical exam for hypospadias /or cryptorchidism in males |
Musculoskeletal | Consider radiographs of the spine in those w/scoliosis. | To assess for vertebral anomalies |
Endocrinologic | Consider obtaining baseline glucose level in persons of any age. | To assess for hypoglycemia; if identified, further eval for hyperinsulinism may be considered.2 In neonates infants w/persistent hypoglycemia, assess for hyperinsulinism.3 |
Immunologic | T cell count, T cell subsets, serum immunoglobulin levels at time of diagnosis or at age 1 yr (whichever is later) | Refer to immunologist if:; Levels are abnormal; or; Person has history of recurrent infections. |
Neurologic | EEG | In those w/suspected seizures Head MRI |
Neurobehavioral/Psychiatric | Neuropsychiatric eval | Screen persons age 12 mos for concerns incl sleep disturbances, ADHD, anxiety, /or findings suggestive of ASD. Miscellaneous/ |
Other | Developmental assessment | Evaluate motor, speech-language, general cognitive, vocational skills. |
Source: GeneReviews — "Kabuki Syndrome"
In those with joint laxity, activities that increase the risk of joint damage (e.g., bouncing on a trampoline) should be avoided.
Source: GeneReviews — "Kabuki Syndrome"
Based on the function of KMT2D and KDM6A as regulators of chromatin expression , it has been hypothesized that histone deacetylase inhibitors (HDACi) could have a beneficial effect on individuals with Kabuki syndrome. created a mouse model of KS and found that treatment with HDACi normalized the structural and functional differences seen in certain brain areas in these affected mice, leading to improved neurogenesis and memory. This has yet to be tested in humans with KS, but clinical trials based on these mouse studies are in the planning phase. Since ketosis acts as an endogenous HDACi, others have hypothesized that placing individuals with KS on a ketogenic diet could improve their cognitive issues .
Source: GeneReviews — "Kabuki Syndrome"
1 trial found
Evaluation
Frequency |
|---|
Growth | Measurement of at least height weight1 | At each appointment |
Ophthalmologic | Ophthalmology or optometry to assess vision | At least annually Hearing |
Musculoskeletal | Clinical eval for scoliosis | At each appointment until skeletal maturity |
Endocrinologic | Thyroid function tests | Every 2-3 yrs Immunologic |
Other | Monitor developmental progress educational needs. | At each visit during childhood adolescence 1. Adolescents and adults may develop obesity. |
Source: GeneReviews — "Kabuki Syndrome"
Estimated prevalence: 1-9 in 100,000 (Uncommon).
Laboratory research |
35 |
26% |
Research summaries | 16 | 12% |
Disease patterns and progression | 10 | 7% |
Other research | 6 | 4% |
Testing and diagnosis research | 6 | 4% |
Clinical study results | 3 | 2% |
Szoszkiewicz A (2026). [PMID: 41751889](https://pubmed.ncbi.nlm.nih.gov/41751889/). *Int J Mol Sci*. [Diagnostic / Biomarker]
Hildonen M (2026). [PMID: 41225292](https://pubmed.ncbi.nlm.nih.gov/41225292/). *Clin Genet*. [Epidemiology / Natural History]
Mehta AS (2026). [PMID: 41889833](https://pubmed.ncbi.nlm.nih.gov/41889833/). *bioRxiv*. [Clinical Trial Publication]
Xiao Z (2026). [PMID: 41438733](https://pubmed.ncbi.nlm.nih.gov/41438733/). *Blood vessels, thrombosis & hemostasis*. [Case Report / Case Series]
Delay A (2026). [PMID: 41962660](https://pubmed.ncbi.nlm.nih.gov/41962660/). *J Stomatol Oral Maxillofac Surg*. [Review / Meta-Analysis]
Wang M (2026). [PMID: 42134323](https://pubmed.ncbi.nlm.nih.gov/42134323/). *Am J Hum Genet*. [Diagnostic / Biomarker]
Ng R (2026). [PMID: 41137515](https://pubmed.ncbi.nlm.nih.gov/41137515/). *Clin Genet*. [Review / Meta-Analysis]
Hayes JP (2026). [PMID: 41260988](https://pubmed.ncbi.nlm.nih.gov/41260988/). *Neurotherapeutics*. [Epidemiology / Natural History]
Prasad R (2026). [PMID: 42254325](https://pubmed.ncbi.nlm.nih.gov/42254325/). *Case Rep Genet*. [Case Report / Case Series]
Sabbagh Q (2026). [PMID: 41882293](https://pubmed.ncbi.nlm.nih.gov/41882293/). *Eur J Hum Genet*. [Case Report / Case Series]
AI-curated news mentioning Kabuki syndrome
Updated May 13, 2026
A new episignature for Kabuki syndrome enhances the understanding of KMT2D variants, paving the way for improved precision medicine approaches. This discovery could significantly impact patient management and treatment strategies.
A multicenter study reports on eight patients with Kabuki syndrome, identifying three novel variants in the KMT2D gene. This research enhances understanding of the genetic underpinnings of this rare condition.
A novel KDM6A c.2429dup mutation linked to Kabuki syndrome type 2 has been identified in a fetus with increased nuchal translucency. This discovery enhances understanding of the genetic basis of this rare condition.