Shroom is correct, it appears to be the immune system that the worms are modulating when they cure our diseases, Here is a post from FQ1513:
http://curezone.com/forums/fm.asp?i=955203

you may follow her story on the helmintic therapy support forum. This next link is a very detailed account of another experience of a cure, this one is for almost life long IBS:
http://curezone.com/forums/fm.asp?i=1096790

Below are various articles and studies that talk about the immune mechanism, etc.:

Wednesday 21st May, 2008

Worms may offer treatments for multiple diseases, including cancer
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ANI Tuesday 20th November, 2007

Washington, November 20 : It sounds a bit bizarre, but worms can be a potential source of chemical compounds that may help battle harmful germs.

Sun Zhenjun, a scientist at China Agricultural University in Beijing, says that traditional Chinese medicine practitioners included worms in their preparations for centuries.

The researcher, who describes the insect treatments as "cold" and "slightly salty", thinks that worms may offer viable treatments for almost every disease ranging from herpes to cancer.

During their study, the researchers obtained cancerous cells from China-Japan Friendship Hospital, and introduced them to worm tissues and fluids. Their experiment showed "significant" change, with many of the cancer cells dying.

Talking to Discovery News, Zhenjun revealed that his team has also discovered that worm compounds, specifically some complex carbohydrates and protein components, "have antibacterial functions".

The researchers also mixed human-infecting bacteria like E. coli, staph, pneumonia, candida etc. with the worm compounds.

It was found that the worm goo had the potential to kill each of the bacteria.

The researchers also found that the worm compound could kill Pseudomonas aeruginosa, an extremely harmful bacteria that is naturally resistant to penicillin and most other antibiotics.

Zhenjun and his colleagues are now working on isolating the most powerful anti-cancer and antibacterial agents in worms, which they hope to synthesize for human use in future.

The study will be published in the journal Soil Biology.


Below is the summary of a very long article that addresses the mechanism that you are interested in, for the full article go to this link:


http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=1774348


In conclusion, helminth infection provides us with an excellent model of a successful parasite which is able to manipulate its environment within the host to its advantage. Summers and colleagues4 have now taken that further by using helminths to gain an advantage for the host. It is too early to determine whether this form of treatment will be safe and effective for larger numbers of patients with IBD—further controlled randomised studies will be required to answer this. However, what these important and innovative studies demonstrate is the need for a greater understanding of the helminth-host relationship. This is slowly being addressed but almost exclusively in animal models. Of special interest will be identification of antigens or epitopes responsible for the generation of a tolerant environment, and recent work indicates that one candidate is the schistosome oligosaccharide lacto-N-neotetraose.39 This molecule, which is also present in human milk, stimulates the expansion of a Gr1+ cell population, which creates a Th2 biased immune environment by increased production of IL-10 and TGF-β, and by directing naïve CD4+ T cells down the Th2 path. Molecules such as this may represent potentially novel therapeutic agents for chronic inflammatory disorders such as IBD, and thus bypass the need for helminth inoculation and infection.

In this last link is an article about pig whip worms and a concoction people can drink to become infected. The worms are short lived so the treatment must be taken every 3 months. The author's feel that our immune systems have evolved in the presence of parasites and can become overactive without them.
http://www.newscientist.com/article/dn4852-diet-of-worms-can-cure-bowel-disea...