Potential Treatment for Progressive Multifocal Leukoencephalopathy (PML)

Stuart SchlossmanMisc. MS Related, MS Drug Therapies, Multiple Sclerosis

Received from Gerson G in South Florida
November 30, 2010

Cytheris Announces Publication of Clinical Case Study Combining Recombinant Human Interleukin-7 (CYT107) with Antiviral Agent CMX001 as Potential Treatment for Progressive Multifocal Leukoencephalopathy (PML)

Combination Therapy with Two Investigational Agents, Cytheris’ CYT107 and Chimerix’s CMX001, Indicates Potential for Clearing the JC Virus that Causes PML, a Rare and Usually Fatal Neurological Disease
PARIS—Cytheris SA, a clinical-stage biopharmaceutical company focused on research and development of new therapies for immune modulation, today announced the publication of a case study report based on successful treatment of Progressive Multifocal Leukoencephalopathy (PML) with combination therapy consisting of two investigational agents, Cytheris’ recombinant human interleukin-7 (CYT107) and CMX001, an investigational, oral broad-spectrum antiviral drug (Chimerix, Research Triangle Park, NC) in the Journal of Antimicrobial Chemotherapy. The combination therapy succeeded in eradicating the polyomavirus JC, the virus that causes PML, in less than two weeks following initiation of CYT107 treatment, and four weeks following the introduction of CMX001.

Progressive Multifocal Leukoencephalopathy (PML) is a rare and usually fatal neurological disease caused by the polyomavirus JC. The virus, first identified in 1971, multiplies in and destroys oligodendrocytes, which are cells of the brain that produce the myelin sheath surrounding neurons. Symptoms include loss of vision, impaired speech, paralysis, cognitive decline and weakness. There is no known cure for PML.

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