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2004-06-01
Drug offers new option for Crohn's disease
Canadian-led study shows natalizumab is safe and effective
A Canadian doctor says an experimental drug called natalizumab will help in the fight against Crohn's disease, a chronic condition in which the body's own immune system mistakenly attacks the intestines.
The Crohn's and Colitis Foundation of Canada estimates 150,000 Canadian men and women suffer from Crohn's and other forms of inflammatory bowel disease, which causes abdominal pain, diarrhea and other symptoms.
Natalizumab (brand name Antegren) blocks immune cells from leaving the bloodstream and prevents them from migrating into chronically inflamed tissue.
A Canadian-led study shows the drug is safe and effective compared with inactive (placebo) treatment.
"This drug will be a welcome addition to our armamentarium for the treatment of Crohn's disease. It's important to note the safety profile of the drug is exceedingly acceptable and well tolerated, and this was a very successful clinical trial," says Dr. Brian Feagan, a professor of medicine and epidemiology and biostatistics at the University of Western Ontario in London, Ont.
The study involved 339 adults with Crohn's disease whose symptoms had significantly decreased or almost disappeared after treatment with natalizumab in a previous trial.
They were randomly assigned to receive up to 12 additional infusions of natalizumab or placebo.
After six months, 44 to 61 per cent of the natalizumab-treated patients continued to have significantly decreased or nearly absent symptoms, compared with 26 to 29 per cent of the patients who received placebo.
In addition, the researchers found no notable differences in the rates of adverse events between the two treatment groups.
"Our current therapies (for Crohn's disease) are associated with opportunistic infections ... (but) there was no evidence that (natalizumab) therapy was associated with significant infections," Feagan says.
2004-06-01
Drug offers new option for Crohn's disease
Canadian-led study shows natalizumab is safe and effective
A Canadian doctor says an experimental drug called natalizumab will help in the fight against Crohn's disease, a chronic condition in which the body's own immune system mistakenly attacks the intestines.
The Crohn's and Colitis Foundation of Canada estimates 150,000 Canadian men and women suffer from Crohn's and other forms of inflammatory bowel disease, which causes abdominal pain, diarrhea and other symptoms.
Natalizumab (brand name Antegren) blocks immune cells from leaving the bloodstream and prevents them from migrating into chronically inflamed tissue.
A Canadian-led study shows the drug is safe and effective compared with inactive (placebo) treatment.
"This drug will be a welcome addition to our armamentarium for the treatment of Crohn's disease. It's important to note the safety profile of the drug is exceedingly acceptable and well tolerated, and this was a very successful clinical trial," says Dr. Brian Feagan, a professor of medicine and epidemiology and biostatistics at the University of Western Ontario in London, Ont.
The study involved 339 adults with Crohn's disease whose symptoms had significantly decreased or almost disappeared after treatment with natalizumab in a previous trial.
They were randomly assigned to receive up to 12 additional infusions of natalizumab or placebo.
After six months, 44 to 61 per cent of the natalizumab-treated patients continued to have significantly decreased or nearly absent symptoms, compared with 26 to 29 per cent of the patients who received placebo.
In addition, the researchers found no notable differences in the rates of adverse events between the two treatment groups.
"Our current therapies (for Crohn's disease) are associated with opportunistic infections ... (but) there was no evidence that (natalizumab) therapy was associated with significant infections," Feagan says.
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