Overview
PENS syndrome stands for Pigmentation defects, Eczema, Nail dystrophy, and Sensorineural deafness. It is an extremely rare genetic condition that affects multiple body systems, most notably the skin, nails, and hearing. People with PENS syndrome typically develop patchy or abnormal skin coloring (pigmentation changes), chronic eczema (itchy, inflamed skin), problems with the nails such as thickening, ridging, or brittleness, and hearing loss caused by damage to the inner ear nerves (sensorineural hearing loss). The condition is classified under congenital non-neoplastic nevi and other skin malformations. Because PENS syndrome is so rare, the medical understanding of this condition is still limited. Symptoms usually appear early in life, and the combination of skin, nail, and hearing problems together is what helps doctors recognize this specific syndrome. There is currently no cure for PENS syndrome. Treatment focuses on managing each symptom individually — for example, using moisturizers and anti-inflammatory creams for eczema, hearing aids or cochlear implants for hearing loss, and nail care for dystrophic nails. A team of specialists is typically needed to provide comprehensive care. Research into the genetic basis and potential targeted treatments is ongoing but limited due to the rarity of the condition.
Key symptoms:
Patchy or uneven skin coloringChronic eczema or itchy, inflamed skinBrittle, thickened, or ridged nailsHearing loss present from early lifeDry skinSkin rashesNail discolorationSensitivity to skin irritants
Autosomal recessive
Passed on when both parents carry the same gene change; often skips generations
Infantile
Begins in infancy, roughly 1 month to 2 years old
FDA & Trial Timeline
2 eventsRhode Island Hospital — NA
Néstor Requejo Salinas — NA
Data sourced from FDA regulatory filings and ClinicalTrials.gov. Updated periodically.
Treatments
No FDA-approved treatments are currently listed for PENS syndrome.
View clinical trials →Clinical Trials
View all trials with filters →No actively recruiting trials found for PENS syndrome at this time.
New trials open frequently. Follow this disease to get notified.
Specialists
View all specialists →No specialists are currently listed for PENS syndrome.
Treatment Centers
8 centersBaylor College of Medicine Rare Disease Center ↗
Baylor College of Medicine
📍 Houston, TX
🏥 NORDStanford Medicine Rare Disease Center ↗
Stanford Medicine
📍 Stanford, CA
🔬 UDNNIH Clinical Center Undiagnosed Diseases Program ↗
National Institutes of Health
📍 Bethesda, MD
🔬 UDNUCLA UDN Clinical Site ↗
UCLA Health
📍 Los Angeles, CA
🔬 UDNBaylor College of Medicine UDN Clinical Site ↗
Baylor College of Medicine
📍 Houston, TX
🔬 UDNHarvard/MGH UDN Clinical Site ↗
Massachusetts General Hospital
📍 Boston, MA
🏥 NORDMayo Clinic Center for Individualized Medicine ↗
Mayo Clinic
📍 Rochester, MN
👤 Mayo Clinic Center for Individualized Medicine
🏥 NORDUCLA Rare Disease Day Program ↗
UCLA Health
📍 Los Angeles, CA
Travel Grants
No travel grants are currently matched to PENS syndrome.
Community
No community posts yet. Be the first to share your experience with PENS syndrome.
Start the conversation →Latest news about PENS syndrome
Disease timeline:
New recruiting trial: Peroneal Electrical Nerve Stimulation in Pregnancy for Restless Legs Syndrome
A new clinical trial is recruiting patients for PENS syndrome
Caregiver Resources
NORD Caregiver Resources
Support, advocacy, and financial assistance for caregivers of rare disease patients.
Mental Health Support
Rare disease caregiving can be isolating. Connect with counseling and peer support.
Family & Caregiver Grants
Financial assistance programs specifically for caregivers of rare disease patients.
Social Security Disability
Learn how rare disease patients may qualify for SSDI/SSI benefits.
Questions for your doctor
Bring these to your next appointment
- Q1.What is the best skin care routine to manage my child's eczema?,How severe is the hearing loss, and what type of hearing device would be most helpful?,Should we pursue genetic testing, and what would the results mean for our family?,Are there any clinical trials or new treatments being studied for this condition?,What specialists should we see regularly, and how often?,How can we support speech and language development given the hearing loss?,Is there a risk that siblings or future children could also have this condition?
Common questions about PENS syndrome
What is PENS syndrome?
PENS syndrome stands for Pigmentation defects, Eczema, Nail dystrophy, and Sensorineural deafness. It is an extremely rare genetic condition that affects multiple body systems, most notably the skin, nails, and hearing. People with PENS syndrome typically develop patchy or abnormal skin coloring (pigmentation changes), chronic eczema (itchy, inflamed skin), problems with the nails such as thickening, ridging, or brittleness, and hearing loss caused by damage to the inner ear nerves (sensorineural hearing loss). The condition is classified under congenital non-neoplastic nevi and other skin mal
How is PENS syndrome inherited?
PENS syndrome follows a autosomal recessive inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.
At what age does PENS syndrome typically begin?
Typical onset of PENS syndrome is infantile. Age of onset can vary across affected individuals.