Chronic Fatigue Syndrome Research Today is a free monthly online journal that collates and summarizes the latest research about Chronic Fatigue Syndrome, including details on myalgic encephalomyelitis (me), diagnosis, gradual and sudden onset. | ||||||||
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Oral Pirfenidone in patients with chronic fibrosis resulting from radiotherapy: a pilot study.Simone NL, Soule BP, Gerber L, Augustine E, Smith S, Altemus RM, Mitchell JB, Camphausen KA Radiation Oncology Branch, National Cancer Institute, National Institutes of Health, 9000 Rockville Pike, Building 10-CRC, Room B2-3561, Bethesda, Maryland 20892, USA. simonen@mail.nih.gov BACKGROUND: Fibrosis is a common side effect after treatment with ionizing radiation. Several methods to ameliorate debilitating fibrosis have been employed but without consistent results. The goal of this pilot study is to determine if Pirfenidone, a novel regulator of cytokine gene expression, has the potential to ameliorate established radiation-induced fibrosis. METHODS: Open label, prospective pilot study of 800 mg three times/day, orally administered Pirfenidone was administered to enrolled patients who were had completed radiation therapy and who had established radiation-induced fibrosis. Range of motion (ROM) was assessed using standard measures, and subjective measures of pain, fatigue, disability and global health were measured every three months. RESULTS: Seven patients were enrolled of whom 3 had ROM assessments of 1 site and 2 had ROM assessments of 2 sites. Of these assessments, 6 revealed increased ROM during drug intervention while 1 revealed a decreased ROM. There was an overall improvement in the mental composite score of the SF36 while physical composite score was decreased and the vitality score was unchanged. Two patients were removed from the study because of syncopal episodes. CONCLUSION: Several patients experienced improved function of at least 25% and reported subjective improvement. Pirfenidone may benefit patients with radiation-induced fibrosis and is worthy of a larger well controlled trial. Published 14 June 2007 in Radiat Oncol, 2: 19.
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