Researchers from Saint Louis University have revealed that 'maintenance therapy' involving low-dose peginterferon has been found ineffective in patients with advanced hepatitis C.
Instead, the study showed that low-dose peginterferon maintenance therapy led to health decline in patients with liver disease over the course of four years.
"This course of treatment had been adopted by a number of doctors in the U.S. and in other countries, though it had yet to be proven to work.
That practice should be stopped based on the results of this trial. There is no rationale for using maintenance therapy," said Adrian Di Bisceglie, M.D., professor of internal medicine, chief of hepatology and co-director of the Liver Center at Saint Louis University.
"The treatment is clearly ineffective," he added.
For patients with chronic hepatitis C, the prognosis varies. About half fully recover after an initial course of peginterferon and ribavirin anti-viral therapy that may last from six months to a year.
The remaining patients, known as non-responders, may improve but the virus is not eliminated.
During the study, the researchers looked at 1050 patients at 10 different clinical sites.
They gave patients peginterferon for three and a half years, but in lower doses to try to suppress but not eliminate the virus, with the hope of slowing the dire consequences of liver disease.
Half of the patients were treated with a low dose of peginterferon and half were put into a control group for a total of four years.
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