Exstrophy-epispadias complex

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ORPHA:322OMIM:258040Q64.1
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1Specialists8Treatment centers

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Overview

Exstrophy-epispadias complex (EEC) is a spectrum of rare congenital malformations affecting the urinary tract, genitalia, musculoskeletal system, and sometimes the intestinal tract. The spectrum ranges in severity from epispadias (the mildest form, involving an abnormal opening of the urethra) to classic bladder exstrophy (where the bladder is open and exposed on the outside of the abdominal wall) to cloacal exstrophy (the most severe form, involving exposure of both the bladder and intestines along with other anomalies). The condition results from a defect in the closure of the lower abdominal wall during embryonic development, leading to abnormalities of the bladder, urethra, pelvic bones, pelvic floor muscles, and external genitalia. Key clinical features include an open bladder plate visible on the abdominal surface, widening (diastasis) of the pubic symphysis, epispadias, abnormalities of the external genitalia (such as a short or bifid penis in males, or a bifid clitoris in females), and inguinal hernias. In cloacal exstrophy, additional findings may include omphalocele, imperforate anus, and spinal anomalies. Affected individuals are at risk for urinary incontinence, vesicoureteral reflux, recurrent urinary tract infections, and renal complications if not properly managed. Treatment is primarily surgical and typically involves staged reconstructive procedures beginning in the neonatal period. The goals of surgery include closure of the bladder and abdominal wall, reconstruction of the genitalia and urethra, and ultimately achieving urinary continence. Modern staged repair or complete primary repair approaches have significantly improved outcomes, though many patients require multiple surgeries throughout childhood and into adulthood. Long-term multidisciplinary follow-up involving urology, orthopedics, nephrology, and psychosocial support is essential. Despite advances in surgical techniques, achieving full urinary continence remains a significant challenge, and some patients may require bladder augmentation or continent urinary diversion procedures.

Also known as:

Clinical phenotype terms— hover any for plain English:

EpispadiasHP:0000039Bladder exstrophyHP:0002836Abnormal abdominal wall morphologyHP:0004298Abdominal wall defectHP:0010866CystoceleHP:0100645Renal duplicationHP:0000075Bifid uterusHP:0000136Abnormal joint morphologyHP:0001367Bladder fistulaHP:0004321Abnormal skeletal morphologyHP:0011842
Inheritance

Multifactorial

Caused by a mix of several genes and environmental factors

Age of Onset

Neonatal

Begins at or shortly after birth (first 4 weeks)

Orphanet ↗OMIM ↗NORD ↗

FDA & Trial Timeline

3 events
Mar 2026Clindamycin as an Alternative to Vancomycin in Patients Undergoing Aortic Cardiac Surgery With Extracorporeal Circulation (ECC)

Nantes University Hospital — PHASE2

TrialNOT YET RECRUITING
Oct 2025A Study to Determine the Optimal Dose and Frequency of ALDP001 Nasal Spray in Adults With Seasonal Allergic Rhinitis Under Allergen Exposure

Alixer Nexgen Therapeutics Limited — PHASE2

TrialRECRUITING
Jun 2025Ultrasound and Histology in AEH and Early EEC Treated Conservatively

Fondazione Policlinico Universitario Agostino Gemelli IRCCS

TrialNOT YET RECRUITING

Data sourced from FDA regulatory filings and ClinicalTrials.gov. Updated periodically.

Treatments

No FDA-approved treatments are currently listed for Exstrophy-epispadias complex.

View clinical trials →

No actively recruiting trials found for Exstrophy-epispadias complex at this time.

New trials open frequently. Follow this disease to get notified.

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Specialists

1 foundView all specialists →
JM
John P Gearhart, MD
BALTIMORE, MD
Specialist
PI on 2 active trials

Treatment Centers

8 centers
🏥 NORD

Baylor College of Medicine Rare Disease Center

Baylor College of Medicine

📍 Houston, TX

🏥 NORD

Stanford Medicine Rare Disease Center

Stanford Medicine

📍 Stanford, CA

🔬 UDN

NIH Clinical Center Undiagnosed Diseases Program

National Institutes of Health

📍 Bethesda, MD

🔬 UDN

UCLA UDN Clinical Site

UCLA Health

📍 Los Angeles, CA

🔬 UDN

Baylor College of Medicine UDN Clinical Site

Baylor College of Medicine

📍 Houston, TX

🔬 UDN

Harvard/MGH UDN Clinical Site

Massachusetts General Hospital

📍 Boston, MA

🏥 NORD

Mayo Clinic Center for Individualized Medicine

Mayo Clinic

📍 Rochester, MN

👤 Mayo Clinic Center for Individualized Medicine

🏥 NORD

UCLA Rare Disease Day Program

UCLA Health

📍 Los Angeles, CA

Travel Grants

No travel grants are currently matched to Exstrophy-epispadias complex.

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Community

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Latest news about Exstrophy-epispadias complex

Disease timeline:

New recruiting trial: A Study to Determine the Optimal Dose and Frequency of ALDP001 Nasal Spray in Adults With Seasonal Allergic Rhinitis Under Allergen Exposure

A new clinical trial is recruiting patients for Exstrophy-epispadias complex

New recruiting trial: Clinical Trial to Evaluate the Efficacy and Safety of EEC for the Diagnosis of Mycobacterium Tuberculosis Infection in People Aged 3 Years and Above

A new clinical trial is recruiting patients for Exstrophy-epispadias complex

Caregiver Resources

NORD Caregiver Resources

Support, advocacy, and financial assistance for caregivers of rare disease patients.

Mental Health Support

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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.

Common questions about Exstrophy-epispadias complex

What is Exstrophy-epispadias complex?

Exstrophy-epispadias complex (EEC) is a spectrum of rare congenital malformations affecting the urinary tract, genitalia, musculoskeletal system, and sometimes the intestinal tract. The spectrum ranges in severity from epispadias (the mildest form, involving an abnormal opening of the urethra) to classic bladder exstrophy (where the bladder is open and exposed on the outside of the abdominal wall) to cloacal exstrophy (the most severe form, involving exposure of both the bladder and intestines along with other anomalies). The condition results from a defect in the closure of the lower abdomina

How is Exstrophy-epispadias complex inherited?

Exstrophy-epispadias complex follows a multifactorial inheritance pattern. Genetic counseling can help families understand recurrence risk and testing options.

At what age does Exstrophy-epispadias complex typically begin?

Typical onset of Exstrophy-epispadias complex is neonatal. Age of onset can vary across affected individuals.

Which specialists treat Exstrophy-epispadias complex?

1 specialists and care centers treating Exstrophy-epispadias complex are listed on UniteRare, sourced from ClinicalTrials.gov principal investigators, published research, and the NPPES NPI registry.