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A nail anomaly that is not part of a larger syndrome.
No HPO annotations are available for this condition.
Dystrophic epidermolysis bullosa (DEB) is characterized by increased skin fragility and dystrophic or absent nails; features are usually present at birth . DEB is divided into two major types depending on inheritance pattern: recessive dystrophic epidermolysis bullosa (RDEB) and dominant dystrophic epidermolysis bullosa (DDEB). Each type is further divided into clinical subtypes based on severity. Table 2. Dystrophic Epidermolysis Bullosa: Frequent Features of the Most Common Subtypes Clinical Features | DEB Subtype
Dystrophic epidermolysis bullosa (DEB) should be suspected in individuals with the following clinical findings:
Source: GeneReviews — "Dystrophic Epidermolysis Bullosa"
No approved treatments are currently available for inherited isolated nail anomaly. The disease remains an area of unmet medical need.
International clinical practice guidelines for dystrophic epidermolysis bullosa (DEB) have been published by DEBRA International. These include guidelines for treatment of anemia, foot care, occupational therapy, palliative and end-of-life care, psychosocial care, neonatal care, cancer management, hand surgery and hand therapy, oral health care, physical therapy, skin and wound care, constipation management, pain care, pregnancy, childbirth, and aftercare, and supporting sexuality.
To monitor existing manifestations, the individual's response to supportive care, and the emergence of new manifestations, the evaluations summarized in are recommended. Table 8. Dystrophic Epidermolysis Bullosa: Recommended Surveillance
No clinical trials have been registered for inherited isolated nail anomaly.
21 publications have been identified in PubMed for inherited isolated nail anomaly. Research spans Case Report / Case Series (35%), Review / Meta-Analysis (25%), and Epidemiology / Natural History (15%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 7 | 35% |
Data assembled from 4 of 12 sources · Last updated Sep 19, 2026, 11:55 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Severe recessive | Intermediate recessive | Intermediate dominant | Localized dominant |
|---|---|---|---|
Age of onset | Birth | Birth or infancy | Birth, infancy, or childhood |
Blisters | Yes | Yes | Yes |
Nail involvement | Yes | Yes | Yes |
Esophageal strictures | Yes | Rarely | Very rarely |
Absent lingual papillae1 | Yes | Yes | No |
Source: GeneReviews — "Dystrophic Epidermolysis Bullosa"
Blistering, especially in the neonatal period, should prompt consideration of acquired conditions and congenital genetic disorders.
Source: GeneReviews — "Dystrophic Epidermolysis Bullosa"
Biomarker and diagnostic research for inherited isolated nail anomaly has been reported in the published literature.
To establish the extent of disease and needs in an individual diagnosed with DEB, the evaluations summarized (if not performed as part of the evaluation that led to the diagnosis) are recommended.
Table 5.
Dystrophic Epidermolysis Bullosa: Recommended Evaluations Following Initial Diagnosis
System/Concern | Evaluation | Comment
Skin | • Thorough eval of skin surface for blisters, erosions, infections
Eval of crusted, non-healing, or painful lesions in older persons for SCC
| Difficult for some persons to fully undress in clinic; may need to rely on photos
| • Dental consult
Exam of mouth incl mucosal blistering erosions
Assessment for dental caries crowding
|
| • Gastroenterology consult
Barium swallow for esophageal strictures if there are symptoms of dysphagia
Assessment for GERD constipation
|
| • Measurement of height, weight, BMI
Source: GeneReviews — "Dystrophic Epidermolysis Bullosa"
Nasogastric tubes are discouraged because of oral and esophageal fragility . Poorly fitting or coarse-textured clothing and footwear should be avoided, as they can cause trauma. In general, activities that traumatize the skin (e.g., hiking, mountain biking, contact sports) should be avoided; affected individuals who are committed to participation in such activities should be encouraged to devise ways of protecting the skin. Most persons with DEB cannot tolerate the use of ordinary medical tape or Band-Aids®.
Source: GeneReviews — "Dystrophic Epidermolysis Bullosa"
There are several promising therapies currently being studied, including various stem cell therapies including bone marrow transplant, mesenchymal stem cells, stromal cells, induced pluripotent stem (IPS) cells , and gene-corrected fibroblasts . Stop codon read-through, exon skipping, COL7A1 protein therapy, and revertant mosaicism are being investigated. There are many new approaches to therapy currently in trial. Clinical trials evaluating antifibrotic, anti-inflammatory, and antipruritic medications are in progress . Search ClinicalTrials.gov in the US and EU Clinical Trials Register in Europe for information on clinical studies for a wide range of diseases and conditions.
Source: GeneReviews — "Dystrophic Epidermolysis Bullosa"
View trials for inherited isolated nail anomaly
Evaluation |
|---|
Frequency |
|---|
Skin | Thorough eval of skin surface for blisters, erosions, infections | At each visit per dermatologist; Eval of crusted, non-healing, painful, abnormal-looking lesions or those w/exuberant scar tissue for risk of SCC; Frequent biopsies of suspicious lesions may be necessary followed by local excision. |
Oral mucosa | Assessment of oral mucosa, feeding, esophageal involvement | At each visit |
Dental | Dental eval for dental caries crowding | Every 6 mos |
Gastrointestinal | Assessment for GERD constipation | At each visit Barium swallow for esophageal strictures |
Ocular | Ophthalmologic exam to evaluate for corneal abrasions scars | As needed |
Cardiac | Echocardiogram to assess for cardiomyopathy | Annually starting by age 2 yrs for those w/severe disease |
Urologic/ Kidney function | Urinalysis to assess for hematuria proteinuria | Every 6-12 mos to evaluate for kidney function for cystitis Orthopedic |
Source: GeneReviews — "Dystrophic Epidermolysis Bullosa"
Research summaries
5 |
25% |
Disease patterns and progression | 3 | 15% |
Testing and diagnosis research | 2 | 10% |
Laboratory research | 2 | 10% |
Clinical study results | 1 | 5% |
Theunis M (2026). [PMID: 41126390](https://pubmed.ncbi.nlm.nih.gov/41126390/). *Ophthalmic genetics*. [Review / Meta-Analysis]
Gürsoy MK (2026). [PMID: 41576197](https://pubmed.ncbi.nlm.nih.gov/41576197/). *JBJS case connector*. [Review / Meta-Analysis]
Sampath Kumar D (2026). [PMID: 41782702](https://pubmed.ncbi.nlm.nih.gov/41782702/). *Clinical nephrology. Case studies*. [Case Report / Case Series]
Tanti S (2026). [PMID: 41737087](https://pubmed.ncbi.nlm.nih.gov/41737087/). *Cureus*. [Case Report / Case Series]
Mustafa M (2026). [PMID: 41728462](https://pubmed.ncbi.nlm.nih.gov/41728462/). *Cureus*. [Case Report / Case Series]
Elise P (2026). [PMID: 42089627](https://pubmed.ncbi.nlm.nih.gov/42089627/). *Clin Genet*. [Review / Meta-Analysis]
Cáceres-Martínez J (2026). [PMID: 42009097](https://pubmed.ncbi.nlm.nih.gov/42009097/). *J Invertebr Pathol*. [Case Report / Case Series]
Wang Z (2025). [PMID: 39969530](https://pubmed.ncbi.nlm.nih.gov/39969530/). *The British journal of dermatology*. [Basic Science / Preclinical]
Dizdaroğulları GE (2025). [PMID: 39632245](https://pubmed.ncbi.nlm.nih.gov/39632245/). *The journal of obstetrics and gynaecology research*. [Case Report / Case Series]
Vimercati A (2025). [PMID: 41429883](https://pubmed.ncbi.nlm.nih.gov/41429883/). *Scientific reports*. [Case Report / Case Series]