Cancer drug may provide treatment for chronic connective tissue disease

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Washington, Oct 18 (ANI): A drug that is currently approved to treat certain types of cancer could provide the first treatment for scleroderma, a chronicconnective tissue disease for which a treatment has remained elusive, say researchers.

The finding has been presented at the annual meeting of the American College of Rheumatology in Philadelphia.

"There has never been a drug that has been shown to be effective for this condition. I think there is a very good chance of Gleevec becoming a real treatment for a previously untreatable disease," said Robert Spiera, M.D., an associate attending rheumatologist at Hospital for Special Surgery who led the study.

For the study, investigators at Hospital for Special Surgery enrolled 30 patients with diffuse scleroderma, a widespread severe form of the disease, and gave them 400 mg of Gleevec per day.

Patients were evaluated monthly for 12 months during treatment and were seen for follow-up three months after discontinuing the drug.

To measure the effectiveness of the drug, researchers used a tool known as the modified Rodnan skin score, a measure of how much skin is affected by the disease.

"The skin score seems to be a very good marker of disease status and most scleroderma trials use this as an outcome measure," said Dr. Spiera, who is also an associate professor at Weill Cornell Medical College.

The investigators also measured lung function using tests for forced vital capacity (FVC), the maximum volume of air that a person can exhale after maximum inhalation, and diffusion capacity, a measurement of the lung's capacity to transfer gases. Lung disease is the main cause of mortality in scleroderma.

The investigators reported an interim analysis of their results, although the study is ongoing. At one year, the investigators saw a 23 percent improvement in skin scores. he researchers also saw an improvement in forced vital capacity scores by 9.6 percent and diffusion capacity scores by 11 percent in the 18 patients who had completed one year of treatment.

"The lung function data was really exciting," Dr. Spiera said.

"In patients with scleroderma, you usually see lung function tests getting worse over time, and if doctors try a therapy for a year and a patient doesn't get any worse, we get pretty excited. What is amazing to me in this study is that we actually saw improvements in both lung function tests," the expert added. (ANI)

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