The anti-parasitic drug fenbendazole is commonly used to treat pin worms and other helminthes (parasitic worms) in livestock, pets and humans. The medication breaks down the parasites by binding to tubulin and disrupting the tubulin microtubule equilibrium. Because other anticancer drugs also disrupt microtubule formation (vincristine; vinblastine) or microtubule depolymerization (paclitaxel; docetaxel), it has long been hypothesized that fenbendazole could have similar anti-cancer effects. However, previous studies do not prove that fenbendazole has strong anti-cancer effects as a standalone drug.
In this study, the medication does inhibit the growth of human lymphoma grafted into mice, but only when the mice are given vitamin supplements on a daily basis for a 22-day period. The study did not differentiate whether the anti-cancer effect was a direct result of the medication or the vitamins’ stimulation of the hosts’ immune response. One thing is for sure: the vitamins create a synergistic effect, putting human lymphomas in remission.
In the study, researchers implanted lymphoma cells in SCID mice and divided the rodents into four treatment groups. The first mice were put on a standard diet. The second were put on a standard diet and treated with fenbendazole. The third were put on the same diet and given vitamin supplements. The fourth group were on the diet and given a combination of fenbendazole and vitamins.
The group of mice that were given vitamins alone continued to see tumor growth. The same was true for the group that was administered just fenbendazole. In fact, this group saw the greatest tumor growth. However, when the two protocols were used in tandem, the tumor growth was significantly inhibited. After 22 days, the tumor volume in the vitamin only group and the control group were about equal (600mm³). The fenbendazole only group had tumor growth at approximately 1200mm³. The combo group had tumor volume less than 100mm³ after 18 days, with only slight growth after 22 days, a total no greater than 150mm³. The study also noted that the total white cell and neutrophil responses in the fenbendazole/vitamin combo group were significantly smaller than the other groups.
The all-important vitamin protocol included:
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