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ryoung: blog

ryoung5367's blog


dca in cancer treatments

Published Aug. 28, 2008

 

I recently stumbled across this.  It may be old news to some of you, but I found it quite fascinating. 

 

It would seem that in 2007 researchers at the University of Alberta in Edmonton, Canada found a cheap and easy to produce drug that kills many types of cancers such as lung, breast and brain cancer cells.  This seemed so unbelievable to me that I tried my own research and found many sites talking about it.

 

The drug that did this was Dichloroacetate better known as DCA.  It turns out this drug is already marketed for use in other medical conditions so it has already been approved for use, just not approved for a cancer treatment.

 

Here is how it works:

Cancer cells don’t use the little power stations found in most human cells - the mitochondria. Instead, they use glycolysis, which is less effective and more wasteful.

Doctors have long believed the reason for this is because the mitochondria were damaged somehow. But, it turns out the mitochondria were just dormant, and DCA starts them back up again.

The side effect of this is it also reactivates a process called apoptosis. You see, mitochondria contain an all-too-important self-destruct button that can’t be pressed in cancer cells. Without it, tumors grow larger as cells refuse to be extinguished. Fully functioning mitochondria, thanks to DCA, can once again die.

With glycolysis turned off, the body produces less lactic acid, so the bad tissue around cancer cells doesn’t break down and seed new tumors.

http://www.healthsalon.org/94/scientists-m...ek-more-on-dca/

The above linked article was from 2007 so I tried to find a more recent study and I found this:

PURPOSE: A recent landmark study demonstrated that Dichloroacetate (DCA) treatment promoted apoptosis in lung, breast, and glioblastoma cancer cell lines by shifting metabolism from aerobic glycolysis to glucose oxidation coupled with NFAT-Kv1.5 axis remodeling. The objective of this study was to determine whether DCA induces apoptosis in endometrial cancer cells and to assess apoptotic mechanism. METHODS: A panel of endometrial cancer cell lines with varying degrees of differentiation was treated with DCA and analyzed for apoptosis via flow cytometry. Biological correlates such as gene expression, intracellular Ca(2+), and mitochondrial membrane potential were examined to assess apoptotic mechanism. RESULTS: Initiation of apoptosis was observed in five low to moderately invasive cancer cell lines including Ishikawa, RL95-2, KLE, AN3CA, and SKUT1B while treatment had no effect on non-cancerous 293T cells. Two highly invasive endometrial adenocarcinoma cell lines, HEC1A and HEC1B, were found to be resistant to DCA-induced apoptosis. Apoptotic responding cell lines had a significant increase in early and late apoptotis, a decrease in mitochondrial membrane potential, and decreased Survivin transcript abundance, which are consistent with a mitochondrial-regulated mechanism. DCA treatment decreased intracellular calcium levels in most apoptotic responding cell lines which suggests a contribution from the NFAT-Kv1.5-mediated pathway. DCA treatment increased p53 upregulated modulator of apoptosis (PUMA) transcripts in cell lines with an apoptotic response, suggesting involvement of a p53-PUMA-mediated mechanism. CONCLUSIONS: Dichloroacetate effectively sensitizes most endometrial cancer cell lines to apoptosis via mitochondrial, NFAT-Kv1.5, and PUMA-mediated mechanisms. Further investigation of the cancer therapeutic potential of DCA is warranted.

http://www.ncbi.nlm.nih.gov/pubmed/18423823

Looks like the results are positive for many types of cancers.

If you or your family have been touched by cancer and would like more information on the use of DCA as a treatment see the link below.

This site is to help inform people of the exciting research done on DCA by scientists at the University of Alberta. In January 2007, a team of scientists at the University of Alberta published a paper in the scientific journal, Cancer Cell, describing the discovery that a simple, cheap molecule, DCA, worked to reactivate the apoptosis mechanism of cancer cells, causing rapid shrinkage of tumors in rats. Mitochondrial reactivation represents an entirely new approach to treating cancer.

The tumors shrank 70% in three weeks.

http://www.thedcasite.com/

 

 

 

 



11 Comments


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"How is this NOT approved for DRUG use, danriverboy?

"It's produced as an industrial chemical, not as a pharmaceutical." You seem to be in-the-know, but you're losing me."

It's not marketed as a pharmaceutical. It's never made it past a phase 1 trial in the several studies it's been utilized in for various reasons, among them lack of efficacy and potential for toxicity requiring intensive monitoring of liver function, etc. during treatment.

I'm not saying it may not have potential as a cancer drug. I'm just saying that for the FDA to approve it as such will require a whole lot of very expensive testing, and the drug companies aren't going to be that motivated to spend the money for a product that'll be generic and open for widespread production the day it's approved. There's just not a real profit margin for them there.

"It turns out this drug is already marketed for use in other medical conditions so it has already been approved for use, just not approved for a cancer treatment."

How is this NOT approved for DRUG use, danriverboy?

"It's produced as an industrial chemical, not as a pharmaceutical." You seem to be in-the-know, but you're losing me.

"It's produced as an industrial chemical, not as a pharmaceutical. "

Oh. I misread, I thought the article said it was already being produced and I "assumed" it was by a pharma.

"Huh? It's already being produced. The only thing has to happen is that the FDA has to approve for this use, which is now considered "off-label"."

It's produced as an industrial chemical, not as a pharmaceutical.

Producing it as a pharmaceutical will entail it being exceedingly pure and standardized for dosage, and will entail that it go through the rigorous process of testing, etc. That costs money.

That can be done, sure. I was just saying that whoever does so is going to be doing it as a generic drug, since the compound can't be locked up with a patent. As a result, the profits aren't going to be what many of them will consider worth their time when weighed against the development, testing and startup costs.

The only side effect I could find myself was tingling and numbness in the extremities after prolonged use.

And what are the side effects?

There was huge talk several years ago about IgE therapy for allergies. Turns out that the treatment was very good, but apparently IgE also plays a role in tumor suppression. The allergies were gone and the tumors started appearing.

Not a real good tradeoff.

"Doubtful. DCA is non-patentable as a compound, so there's little incentive for a pharmaceutical company to spend any money investigating its efficacy as a cancer treatment."

Huh? It's already being produced. The only thing has to happen is that the FDA has to approve for this use, which is now considered "off-label".

Ladyblue - yep. I went to several sites. The middle link is to a study that was done just this summer so it is still positive.

Being as I'm what they call a cancer survivor I keep up with things and this is been running in the rumor mills. I am interested in what the outcome will be. I don't think they are too excited about it yet..........

Thats what they say danriverboy, but I hope I am not too much of a cynic to think it really does help some people that they would not use it.

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