This informational website is developed by Chiesi USA and is intended only for residents of the United States.

Demari, living with ADA-SCID Eliana, living with ADA-SCID Clementine, born with ADA-SCID Ray-Ray, living with ADA-SCID Aria, living with ADA-SCID
DEMARI, LIVING WITH ADA-SCID ELIANA, LIVING WITH ADA-SCID CLEMENTINE, LIVING WITH ADA-SCID RAY RAY, LIVING WITH ADA-SCID ARIA, LIVING WITH ADA-SCID
Clementine, born with ADA-SCID Ray-Ray, living with ADA-SCID Aria, living with ADA-SCID
DEMARI, LIVING WITH ADA-SCID ELIANA, LIVING WITH ADA-SCID ARIA, LIVING WITH ADA-SCID

Have ADA-SCID? See how others are getting out there.

With adenosine deaminase severe combined immune deficiency (ADA-SCID), going out isn’t as easy as people think. In fact, it could be a life or death decision. But with treatment and increased awareness about immunity in the community, getting out is just the beginning.

Sign up to receive updates and information about ADA-SCID and connect with others in the ADA-SCID community.

ADA-SCID affects 1 in 200,000 to 1 in 1 million newborns around the world

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What is ADA-SCID? 

ADA-SCID is an ultra-rare, inherited genetic disorder caused by variations in the adenosine deaminase (ADA) gene, that is often life-threatening if left untreated.

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When is ADA-SCID diagnosed?

ADA-SCID is typically diagnosed with newborn screening.  

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How is ADA-SCID treated?

There are two treatment options approved for ADA-SCID in the US and one treatment that is still being investigated and has not been approved by the FDA.

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Life with ADA-SCID

Living with an immune deficiency can make connecting with the outside world a challenge. But with education and support, it is possible.

Here’s what goes on inside the body of someone with ADA-SCID:

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1.Every day, cells divide in your body. This is a normal part of life for all people.

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2.The dividing process creates leftover material that your body doesn’t need. ADA helps to remove this leftover material.

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3.But in ADA-SCID, ADA doesn't work correctly and the leftover materials can't be removed. The materials, including deoxyadenosine nucleotides (dAXP), build up in cells.

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4.dAXP damages the development of immune cells called lymphocytes — key tools that your body needs to fight off infections.

When ADA isn’t working correctly, the immune system can’t fight off infection. This leads to common signs of ADA-SCID, which are usually diagnosed in infants.

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If left untreated, ADA-SCID becomes life-threatening before the age of 2 years. It’s crucial for doctors to learn to identify ADA-SCID and start protection and treatment as early as possible.

Learn more about how ADA-SCID is diagnosed and treated.

ADA-SCID can be diagnosed with:

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A blood test that measures ADA enzyme activity

AND-OR AND-OR AND-OR
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Genetic testing for an ADA gene variation

Genetic testing can also be used to confirm a diagnosis via a blood test.

Genetic testing involves examining a person’s DNA, the chemical database that carries instructions for the body’s functions. Genetic testing can reveal variations in your genes that may cause illness or disease.

What your genes say about your risk of ADA-SCID

In order to be born with ADA-SCID, a child must have two copies of a gene variant – one from each parent. While the parents may both carry one copy of the gene variant, they usually do not experience any signs or symptoms of the disorder.

Two parents, each with 1 gene variant, have a:

25%

chance of having a child unaffected by ADA-SCID

50%

chance of having a child who has 1 ADA gene but is not affected by ADA-SCID

25%

chance of having a child with 2 defective ADA genes who may be affected by ADA-SCID

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Know your history!

Knowing a person’s family history can help doctors decide to screen before birth. For example, unexplained infant death or infant death due to infection could be a sign of ADA-SCID within the family.

If you or someone in your family has ADA-SCID, other family members may be at risk.

Your doctor can help you with how to talk to your family about getting tested.

Learn more about how ADA-SCID is treated.

TREATMENT

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Investigational approaches

There are potential approaches that
are investigational and have not been
approved by the FDA.

Visit SCID Compass to learn more about approved treatment options and treatments in development.

SEE TREATMENT OPTIONS

Always consult a physician to see which therapy is best for you.

See what it's like to live with ADA-SCID

Watch
CINDY’S STORY ABOUT ADA-SCID
Hear how Cindy’s experience growing up with ADA-SCID has inspired her to partner with NAMI in creating a support group for young people and their mental health.
Watch
JAKOB’S STORY ABOUT ADA-SCID
Hear parents caring for their son with ADA-SCID share their routine and hopes for his future.
Watch
RAQUEL’S STORY ABOUT ADA-SCID
See how Raquel and her family give themselves permission to be joyful as they find beauty in life with ADA-SCID.
Watch
RAY RAY’S STORY ABOUT ADA-SCID
See how strong family ties and staying positive have helped Ray Ray become a symbol of hope for others living with ADA-SCID.
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CLEMETINE, LIVING WITH ADA-SCID

Newly diagnosed

Learning that your newborn has ADA-SCID can be a shock. It’s perfectly normal to feel confused and afraid. After all, ADA-SCID is probably not a medical condition you’ve even heard of until now. Learn more about ADA-SCID and find tips and tools to help you best care for your baby.

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EMILY, LIVING WITH ADA-SCID

Transitioning to adulthood

After treatment, your child must learn to navigate the world through the lens of ADA-SCID. Certain adjustments and considerations must be made for your child, and continue as they transition into adulthood. Connecting with others and support groups are a great way to meet other people who are in the same situation. Talk to your healthcare team about ways to advocate for your child as they become a young adult.

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Cynthia, Living with ADA-SCID SCID

Managing mental health

Having a baby with ADA-SCID can be a stressful, scary and traumatic experience for parents and caregivers. It is important to take time to focus on your mental health and remember that you are not alone.

The increased awareness of immunity from the COVID pandemic is an opportunity to discuss ADA-SCID and educate friends, family and the general public. The more we help people in the community learn about SCID, the more we help protect people with ADA-SCID and their families.

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PHOENIX, LIVING WITH ADA-SCID

Early treatment

Although the diagnosis can be overwhelming, it’s important to treat as early as possible.

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Reducing germs

Reducing the germs your child is exposed to is essential.

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CYNTHIA, AND CAREGIVER, LIVING WITH ADA-SCID

Telling your family and friends

Letting your family and friends know that your child has ADA-SCID and explaining things like isolation can be difficult.  

Downloadable resources

Doctor Dialogue

Doctor dialogue guide

Designed to help you make the most of your healthcare appointments, this guide includes tips to help guide the conversation with your doctor and ways to prepare for your visit.

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Emergency contact card

Download and fill out this card to carry with you in case of an emergency.

Health Concerns

Health tracker

Designed to help you take an active role in your health, this tool provides the common signs of ADA-SCID and space to track any health concerns and discuss them with your healthcare team.

These organizations and online communities provide valuable tools, information, and support for you and your family.

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Links to other websites are provided as a resource.

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