Well it has not been tested on humans but the dichloroacetate has got history of using by human without any bad long term effects as far as I know.
I am sorry for your lose my friend. I am afraid no one knows if it would work for your mother or not. I think this question will remain unanswered.
sending peace and love to you
We are each of us angels with only one wing, and we can only fly by embracing one another.
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We are all living in our own feces.