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Quebec - Numerous cases of ALS (Lou Gehrig's disease) in Estrie: Public Health opens an investigation

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Editor, Senior Moderator
Translation Google

Numerous cases of ALS in Estrie: Public Health opens an investigation

Jasmine Dumas
Wednesday, December 18, 2024 06:00

The Estrie Public Health Department is opening an investigation to shed light on what appears to be an abnormally high number of cases of amyotrophic lateral sclerosis (ALS) in the region, particularly in the Windsor sector.

"The aim of the investigation is to assess whether there could be an environmental cause behind the cases of amyotrophic lateral sclerosis," explains Dr Guillaume Vandal, a public health specialist.

The investigation, which is only just beginning, was opened following a report from the widow of an ALS victim.

"The questions started when we went to visit the neurology clinic in Montreal. The first question they asked Marco was if he lived in the Eastern Townships," says Julie Dubois.

Her husband, Marco Brindle, was diagnosed with ALS during the pandemic and died of the disease in January. The father of four and grandfather of two was just 61.

"We realized that there were a lot of people in our small area who had or had the disease. I did some research and found 18 people who had been diagnosed with ALS in the Windsor area," says Dubois.

A few months after her husband's death, she submitted her file to Public Health.

"Based on the information we have, we have retained the report and yes, we are moving forward with the investigation," confirms Dr. Guillaume Vandal, a specialist in public health and preventive medicine at the Estrie Public Health Department.

Amyotrophic lateral sclerosis, also known as Lou Gehrig's disease, is a neurodegenerative disease that causes muscles to weaken. The average life expectancy for those affected is two to four years.

A long-term job

The work of Public Health could last for years. The first step is to first validate the information provided by the citizen, locate the reported cases and try to make links.

"Are there common characteristics between these people that would lead us to possible causes? For the moment we don't know if we will focus our research on Windsor, Val-Saint-François or the entire Eastern Townships, all scenarios are plausible," says the doctor in charge of the investigation.

"It's a very complex process that will require medical, geographic, toxicological and epidemiological expertise," he continues. "We have a good part of this expertise within the Public Health department, but for certain elements we will have to call on external expertise. We have already started contacting neurologists to help us with the file for the medical expertise concerning ALS."

Dr. Angela Genge, director of the amyotrophic lateral sclerosis clinic at the Montreal Neurological Institute-Hospital, will act as an advisor in the investigation led by Public Health.

"Ms. Dubois raises an important question," says the doctor, who is also the director of the Global Centre of Excellence in ALS Patient Care. "It is absolutely necessary to conduct this investigation based on what she discovered because the cases are abnormally close to each other. The results of this research could give us answers that could be used much more widely than just in Estrie."

For her part, Julie Dubois is satisfied with the response from Public Health.

"I'm happy because finally we might know what's happening in our area and that might also help advance research," she rejoices.

Another person applauding the move is Serge Lebrun, a former colleague of Marco Brindle. He was also diagnosed with ALS four years ago.

"It's a blow to the forehead when you're told that you have this and that there are no medications to cure it. When Julie showed me the data she collected, I was surprised, I never thought there was so much. When you realize that there are so many people who are affected, I think it's a good thing to push it further, to try to understand and know what can cause it," confided Mr. Lebrun.

Dr. Guillaume Vandal advises the population that there is no need to notify Public Health to report people who are infected: "People do not need to call us. We will start, as I said, with the cases that have been submitted to us. Later, we will try to find other cases and for that, we are already looking at different databases that exist, such as those of hospitals, outpatient clinics or even the death registry."


https://www.tvanouvelles.ca/2024/12...n-estrie-la-sante-publique-ouvre-une-enquete​
 
QC, Canada: Public health investigating ALS cases in Eastern Townships

Source: https://www.cbc.ca/news/canada/montreal/als-cases-townships-1.7414338

Public health investigating ALS cases in Eastern Townships
18 ALS cases in Windsor, Que., and surrounding area reported
CBC News · Posted: Dec 18, 2024 6:08 PM EST | Last Updated: 29 minutes ago
Man and woman wearing black caps pose for picture.​

Eastern Townships public health authorities have launched an investigation into Lou Gehrig's disease cases in the region after a woman from Windsor, Que., alerted them to nearly 20 residents having the disorder.

A spokesperson for the Centre intégré universitaire de santé et de services sociaux de l'Estrie, the regional health board, said in an email on Wednesday that it needs to verify whether more people are affected by the disease than what could be expected for the community. That process could take weeks.

"At this stage, it is much too early to make any assumptions," the health board said in an unsigned email. "We want to keep a broad vision to evaluate the different possible sources."

The Journal de Montréal first reported on the story.​..
 
Translation Google

20 cases of ALS confirmed in Estrie

Jasmin Dumas
Tuesday, May 6, 2025 7:09 PM

The Estrie Public Health investigation into cases of amyotrophic lateral sclerosis in Val-St-François is moving to the next stage. With the data collected by a victim's widow now verified and confirmed, researchers are beginning their analysis.


On Tuesday evening, an update on the situation was presented to the people of Windsor at a public meeting.

At the end of 2024, Julie Dubois reported a worrying situation to Estrie Public Health: the discovery of 18 cases of ALS in the Windsor area. Her husband, Marco Brindle, is one of the victims of this terrible neurodegenerative disease, also known as Lou Gehrig's disease. It causes muscle weakness. The average life expectancy for those affected is two to four years.

Following this report, Public Health launched an investigation. Dr. Mélissa Généreux, who is now leading the investigation, says her team was able to confirm 20 cases of victims or sick people in Val-St-François between 2012 and 2024: "It's still too early to talk about excesses, but it certainly merits further investigation to understand what's going on."

Over the next few months, researchers will focus on analyzing each of the confirmed cases: "We will explore the history of the people affected. Who are they? What environment did they live in? Do they have anything in common? There are lots of things to check to be able to get a picture of the situation," explains Dr. Généreux.
...
Already, Public Health has noted that out of the 20 cases under study:

- 60% are women

- The average age of cases is 68 years

- 80% of cases lived at least 5 years in the VSF (latency not known)

- 65% of cases were still residing in the VSF at the time of diagnosis

- 25% of cases would have worked in a factory in the sector

Another point that seems to emerge from the preliminary data is that several people affected lived near the river. "It could be a coincidence," says Dr. Généreux, "but cyanobacteria are a factor potentially associated with ALS in the literature. We're going to look at this more closely."

Then, it will be necessary to calculate and compare the rate of people affected with other places in Quebec and around the world, then check if there is an environmental link that could explain the situation.

https://www.tvanouvelles.ca/2025/05/06/20-cas-de-la-sla-confirmes-en-estrie
 
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