The new drug consists of just the active portion of that drug to eliminate toxic side effects such as bowel inflammation.

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Pentosan, the drug involved, is not a new medication - it has been used previously in patients with bladder and bowel inflammation, but it has no current pharmaceutical licence in this country.

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Crohn's disease (also suspected of being caused by bacteria) is an inflammation of the bowel.

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Changes in the population of bacteria, such as removal of some of the good bacteria or replacement with some bad bacteria, can lead to a variety of health problems, especially inflammation of the bowel, diarrhea and pain.

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The standard treatment for inflammatory bowel diseases such as Crohn's and ulcerative colitis is through steroids, which help reduce the inflammation.

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