Have you ever seen someone in your family, perhaps your beloved mother, father, grandmother or grandfather, gradually forget everything? We know how painful it is to watch your children become unrecognizable, forget recent events, and change their behavior. This is what we often call Alzheimer's Disease. This is a disease that affects millions of people around the world and still has no complete cure. However, with the advancement of medical science, new hopes are emerging. That is the kind of new hope that we are going to talk about today.
Simply put, what is Alzheimer's disease?
Before we talk about this new drug, let's understand a little about Alzheimer's disease. It's not just a memory loss that happens as you get older. It's a disease that gradually destroys brain cells.
Imagine that our brain is a collection of millions of tiny cells that work together. What happens if the communication between these cells stops? Everything from memory, thinking, language, and decision-making to dementia. This is what happens in Alzheimer's disease.
Specifically, in this disease, a type of protein called `amyloid plaques` (amyloid plaque) begins to accumulate between brain cells like dirt. Just like dirt in a water pipe blocks the flow of water, these plaques cause communication between brain cells to be lost, and eventually those cells die. This is the main reason why the symptoms become severe.
Remember, not all memory loss is Alzheimer's, but if you have any concerns about someone in your family, it's best to talk to a doctor about it.
Leqembi - What is this new medicine?
Okay, now let's get to the main topic of the story. `Leqembi` (Lek-em-bi) is a new drug that was recently approved by the US Food and Drug Administration, or FDA . The FDA is an agency that has very strict rules that decide whether a drug is suitable and safe for people to give it to.
What's special about this drug is that it targets the amyloid plaques that we talked about earlier and helps remove them from the brain. Most of the drugs that have been around for so long have only been able to control the symptoms. But the fact that this drug is designed to treat something other than the underlying cause of the disease is a very important step.
Research has shown that the rate of disease progression in patients who received this drug slowed by about 27% within 18 months.
What is the real benefit of this?
When we say "the disease slows down by 27%," some people may think, "Oh, that's it?" But it's important to understand how big this is for someone suffering from Alzheimer's disease and for the family members who care for them.
This is not a cure for the disease. We need to understand that first. But it does give the patient "valuable time" to do their daily activities on their own, to maintain their identity for a while longer, and to be sane with their family for a while longer.
Imagine, how great it would be to give your mother or father a few extra months to eat alone, change clothes, or get to know you and talk to you? That is the biggest benefit of this medicine. It is a priceless relief for the patient and the family.
Is everything okay? Isn't there a risk?
Like any medicine, this `Leqembi` medicine also has certain risks and side effects. We must be aware of these as well. Even the FDA has specifically emphasized this.
The two main risks are brain swelling and the possibility of small brain bleeds . These can sometimes be serious and, very rarely, can be fatal.
For this reason, this drug is only given to people in the early stages of the disease. Also, the patient must be kept under very close medical supervision throughout the treatment. It is imperative to have regular tests, such as MRI scans of the brain, to check for side effects.
Let's take a simple look at the benefits and risks of this medicine in the table below.
| Benefits | Risks & Downsides |
|---|---|
| Reduces the spread of the disease by about 27%. | There is a risk of brain swelling and bleeding. |
| Provides valuable time for the patient and family. | Should only be given under strict medical supervision. |
| It is one of the first drugs to target the underlying cause of the disease (amyloid). | Very expensive (about $26,500 per year). |
| Preserves patient independence for longer. | Only suitable for those in the early stages of the disease. |
How does this affect us in Sri Lanka?
This is the most important question. Although this drug has been approved in the United States, it is currently not available in Sri Lanka. The main reason for this is the price . In the United States, this drug costs about $26,500 per year. That is more than 8 million rupees in Sri Lankan currency. It will be a long time before such an expensive drug is easily available to patients in our country.
But we shouldn't look at this in a pessimistic way. Developing a drug like this is a great achievement. This shows that scientists have taken a big step forward in finding a cure for Alzheimer's disease. Perhaps in the future, this knowledge can be used to develop cheaper, more effective drugs.
So, this is news that gives us hope for the future. Currently, there are treatments and advice available for Alzheimer's patients in Sri Lanka to help manage symptoms and improve quality of life. If someone in your family is suffering from this condition, talk to your family doctor (doctor) about it and get advice on the best thing to do right now.
Take-Home Message
- `Leqembi` is a new drug approved for the early stages of Alzheimer's disease, slowing the progression of the disease.
- This works by removing harmful proteins called 'amyloid plaques' that accumulate in the brain.
- While this is not a cure-all, its main advantage is that it gives the patient and family valuable time.
- Close medical supervision is essential because of the risk of serious side effects such as brain swelling and bleeding.
- This drug is currently very expensive and not available in Sri Lanka. However, this can be considered an important milestone in Alzheimer's research.
- If you notice changes in memory or behavior in someone in your family, it is very important to discuss it with your doctor.
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