Sometimes when a doctor prescribes a somewhat complicated medicine that we haven't even heard of, we get a little nervous and scared, don't we? Many questions like "What medicine is this? What will happen with this? Will there be side effects?" come to mind. Today, we are going to talk about the Elapegademase vaccine, which many people have not heard of, but is a very important medicine, in a simple way that you can understand.
What is Elapegademase?
Simply put, Elapegademase is a vaccine that treats a very rare genetic condition. This condition is called Adenosine Deaminase (ADA Deficiency) . The name is a bit complicated, so let's look at it in a simpler way.
Imagine that our body is a big factory. For everything to work properly in this factory, there must be different types of workers. Enzymes are the little workers that work in our body. Each enzyme has a specific job.
Adenosine Deaminase is one such special enzyme. Its job is to break down an unwanted chemical (deoxyadenosine) that is produced in our cells and remove it from the body.
Now, some people are born with a deficiency of this enzyme called adenosine deaminase, or they produce very little of it. That's what we call ADA deficiency. When this enzyme is missing, that unwanted chemical starts to build up in the body. This substance is very toxic to the fighting cells (lymphocytes) in our immune system . As a result, those cells are destroyed, and the immune system becomes very weak.
This severely weakened immune system is called Severe Combined Immunodeficiency (SCID) . A person with this condition is very susceptible to bacterial infections.
So, what the Elapegademase vaccine does is to give the missing enzyme called adenosine deaminase from outside the body. This is called Enzyme Replacement Therapy . When this vaccine is given, the toxic substances that accumulate in the body are broken down, the damage to immune cells stops, and the immune system starts to get stronger again. This enables the body to fight infections.
Things you need to tell your doctor before taking this medicine
Before starting this medication, it is very important to give your doctor a complete description of your health condition. Especially the following should be mentioned.
| Situation you need to report | Why is that important? |
|---|---|
| Current infectious condition (such as fever, cough, cold) | It may be important to control existing infections before starting medication. |
| Decreased platelet levels | This medication may affect blood tests, so the doctor should be aware of any existing conditions. |
| Allergies to elapegamide or other medications, foods, or dyes | This is essential to assess the risk of a severe allergic reaction to the medication. |
| If you are pregnant or trying to get pregnant | You should discuss with your doctor the possible effects on the baby in the womb. |
| If the baby is breastfed | Your doctor will advise you on whether the medicine passes to the baby through breast milk and whether it will have any effect. |
How do you use this medicine correctly?
This medicine is given as an intramuscular injection . This is usually given by a medical team in a hospital or clinic. However, in some cases, for the patient's convenience, it is also possible to receive this injection at home.
If you have to get vaccinated at home...
Don't worry. The hospital's trained nursing staff will show you very clearly, step by step, how to do this at home.
- How to prepare the medicine.
- It's a great place to get vaccinated.
- It's a very good way to get vaccinated.
- How to safely dispose of used syringes and needles.
Very important: Never throw used needles and syringes in the regular trash. They should be placed in a special, thick plastic container (sharps container)**. If you don't have one, ask your doctor or hospital about one.
Do you give this medicine to children?
Yes, this medication is prescribed to children because ADA deficiency is often diagnosed at a young age. However, it is essential to follow medical instructions very carefully, as there are special considerations when giving this medication to young children.
What to do if you take too much medicine?
If you think you have taken more than the prescribed dose, immediately call the National Poisons Information Centre at the Colombo National Hospital , or go to the Emergency Department (ETU) of the nearest hospital.
What to do if you miss a dose of medication?
- If you are getting your medication at a hospital or clinic: It is very important not to miss your scheduled appointment. If for some reason you cannot go on your scheduled day, call the hospital immediately and let them know.
- If you are taking the medicine at home: If you miss a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take your next dose at the scheduled time. Never take a double dose.
Does this medicine interact with other things? (Interactions)
It has not yet been extensively studied how other medications, herbal products, or supplements interact with this medication.
Therefore, it is important to give your doctor a complete list of all the medications you are taking (including medications for other conditions, vitamins, herbal remedies, and supplements). It is also important to tell your doctor if you smoke or drink alcohol.
Things to be careful about when using the medicine
Your doctor will check you regularly while you are receiving this treatment.
- Attend scheduled clinics: This is important to see how the medication is affecting your body and whether your symptoms are decreasing.
- Blood work: Your doctor may order regular blood tests to measure your immune system function and the effectiveness of your medication. Don't skip them.
- Be aware of symptoms: If there is any change in your symptoms (for better or worse), tell your doctor about it.
What are the possible side effects?
Like any medicine, this medicine can cause side effects in some people, but not everyone gets them.
| Type of side effect | Characteristics |
|---|---|
| If you have these symptoms, notify your doctor immediately. | |
| Severe allergic reactions |
|
| Tell your doctor if you notice any of the following symptoms, which are common, persistent, or bothersome: | |
| Cough | A new persistent cough. |
| Vomiting | Nausea or vomiting after taking the medicine. |
| Injection site reactions | Redness, pain, or swelling at the injection site. |
This list does not include all possible side effects. If you notice anything unusual in addition to these, talk to your doctor about it.
How to store the medicine?
- Store in the refrigerator: Store this medicine in the normal section of the refrigerator. Never store it in the freezer.
- Keep out of reach of children: Keep out of reach of small children and pets.
- Keep in the original packaging: It is best to keep the medicine in its original packaging to protect it from light.
- Dispose of expired medication: Do not use medication after its expiration date. Ask your doctor for advice on how to safely dispose of expired or no longer needed medication.
Take-Home Message
- Elapegademase is an enzyme replacement therapy that strengthens the immune system, which is weakened by a rare genetic condition called ADA deficiency.
- Before starting this treatment, tell your doctor completely about all your medical conditions, allergies, and other medications you are taking.
- Follow the prescribed schedule for taking the medicine exactly. If you miss a dose, never take two doses at once.
- If you experience severe allergic symptoms such as swelling of the face or lips, skin rashes, or difficulty breathing, seek medical advice immediately.
- Store the medicine safely in the refrigerator (not the freezer) out of the reach of children.
- If you have any questions or concerns about this medication, don't be afraid to talk to your doctor about it.
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