Osteonecrosis of genetic origin

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ORPHA:399380
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Overview

Osteonecrosis of genetic origin is a rare bone condition where bone tissue dies due to a loss of blood supply, and this process is driven by an underlying genetic cause rather than injury, medication use, or other external factors. The word 'osteonecrosis' literally means 'bone death.' When blood flow to a bone is disrupted, the bone cells die, which can lead to tiny breaks and eventually the collapse of the bone surface, particularly in joints. This condition most commonly affects the hip, knee, and shoulder joints, but it can occur in other bones as well. Patients typically experience joint pain that may start mild and gradually worsen over time. As the bone deteriorates, movement becomes increasingly difficult and painful. In advanced stages, the affected joint may lose its shape and function, leading to significant disability. Some patients may have multiple joints affected at the same time or develop osteonecrosis at an unusually young age, which can be a clue that a genetic cause is involved. Treatment depends on the stage of the disease and which joints are affected. Early-stage management may include pain relief, physical therapy, and medications to protect bone health. In more advanced cases, surgical options such as core decompression (drilling into the bone to relieve pressure and encourage new blood vessel growth), bone grafting, or joint replacement surgery may be necessary. Because this is a genetic condition, family members may also be at risk and should be evaluated. Research into targeted therapies is ongoing but currently limited.

Also known as:

Key symptoms:

Joint pain, especially in the hip, knee, or shoulderPain that worsens with weight-bearing or movementStiffness in affected jointsLimited range of motionLimping or difficulty walkingPain at rest or at night in advanced stagesCollapse of the joint surfaceMultiple joints affected at the same timeBone pain that develops at an unusually young ageSwelling around affected jointsDifficulty performing daily activities

Inheritance

Variable

Can be inherited in different ways depending on the underlying gene

Age of Onset

Variable

Can begin at different ages, from infancy through adulthood

Orphanet ↗NORD ↗

Treatments

No FDA-approved treatments are currently listed for Osteonecrosis of genetic origin.

View clinical trials →

No actively recruiting trials found for Osteonecrosis of genetic origin at this time.

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

Search ClinicalTrials.gov ↗Join the Osteonecrosis of genetic origin community →

No specialists are currently listed for Osteonecrosis of genetic origin.

View NORD Rare Disease Centers ↗Undiagnosed Disease Network ↗

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 Osteonecrosis of genetic origin.

Search all travel grants →NORD Financial Assistance ↗

Community

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Latest news about Osteonecrosis of genetic origin

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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.Which specific gene mutation is causing my osteonecrosis, and what does that mean for my treatment?,How many of my joints are currently affected, and are others at risk?,What imaging or monitoring schedule do you recommend to catch progression early?,Should my family members be tested for this genetic condition?,What are my surgical and non-surgical treatment options at this stage?,Are there any clinical trials or new therapies being studied for genetic osteonecrosis?,What lifestyle changes can I make to protect my joints and slow the disease?

Common questions about Osteonecrosis of genetic origin

What is Osteonecrosis of genetic origin?

Osteonecrosis of genetic origin is a rare bone condition where bone tissue dies due to a loss of blood supply, and this process is driven by an underlying genetic cause rather than injury, medication use, or other external factors. The word 'osteonecrosis' literally means 'bone death.' When blood flow to a bone is disrupted, the bone cells die, which can lead to tiny breaks and eventually the collapse of the bone surface, particularly in joints. This condition most commonly affects the hip, knee, and shoulder joints, but it can occur in other bones as well. Patients typically experience joint