Randomized clinical trial to evaluate the efficacy and safety of valganciclovir in a subset of patients with chronic fatigue syndrome
dc.contributor.author | Montoya, Jose G. | en_US |
dc.contributor.author | Kogelnik, Andreas M. | en_US |
dc.contributor.author | Bhangoo, Munveer | en_US |
dc.contributor.author | Lunn, Mitchell R. | en_US |
dc.contributor.author | Flamand, Louis | en_US |
dc.contributor.author | Merrihew, Lindsey E. | en_US |
dc.contributor.author | Watt, Tessa | en_US |
dc.contributor.author | Kubo, Jessica T. | en_US |
dc.contributor.author | Paik, Jane | en_US |
dc.contributor.author | Desai, Manisha | en_US |
dc.date.accessioned | 2013-10-02T15:13:17Z | |
dc.date.available | 2015-01-05T13:54:44Z | en_US |
dc.date.issued | 2013-12 | en_US |
dc.identifier.citation | Montoya, Jose G.; Kogelnik, Andreas M.; Bhangoo, Munveer; Lunn, Mitchell R.; Flamand, Louis; Merrihew, Lindsey E.; Watt, Tessa; Kubo, Jessica T.; Paik, Jane; Desai, Manisha (2013). "Randomized clinical trial to evaluate the efficacy and safety of valganciclovir in a subset of patients with chronic fatigue syndrome." Journal of Medical Virology 85(12): 2101-2109. | en_US |
dc.identifier.issn | 0146-6615 | en_US |
dc.identifier.issn | 1096-9071 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/100139 | |
dc.description.abstract | There is no known treatment for chronic fatigue syndrome (CFS). Little is known about its pathogenesis. Human herpesvirus 6 (HHV‐6) and Epstein–Barr virus (EBV) have been proposed as infectious triggers. Thirty CFS patients with elevated IgG antibody titers against HHV‐6 and EBV were randomized 2:1 to receive valganciclovir (VGCV) or placebo for 6 months in a double‐blind, placebo‐controlled trial. Clinical endpoints aimed at measuring physical and mental fatigue included the Multidimensional Fatigue Inventory (MFI‐20) and Fatigue Severity Scale (FSS) scores, self‐reported cognitive function, and physician‐determined responder status. Biological endpoints included monocyte and neutrophil counts and cytokine levels. VGCV patients experienced a greater improvement by MFI‐20 at 9 months from baseline compared to placebo patients but this difference was not statistically significant. However, statistically significant differences in trajectories between groups were observed in MFI‐20 mental fatigue subscore ( P = 0.039), FSS score ( P = 0.006), and cognitive function ( P = 0.025). VGCV patients experienced these improvements within the first 3 months and maintained that benefit over the remaining 9 months. Patients in the VGCV arm were 7.4 times more likely to be classified as responders ( P = 0.029). In the VGCV arm, monocyte counts decreased ( P < 0.001), neutrophil counts increased ( P = 0.037) and cytokines were more likely to evolve towards a Th1‐profile ( P < 0.001). Viral IgG antibody titers did not differ between arms. VGCV may have clinical benefit in a subset of CFS patients independent of placebo effect, possibly mediated by immunomodulation and/or antiviral effect. Further investigation with longer treatment duration and a larger sample size is warranted. J. Med. Virol. 85:2101–2109, 2013 . © 2013 Wiley Periodicals, Inc. | en_US |
dc.publisher | Wiley Periodicals, Inc. | en_US |
dc.subject.other | Randomized Clinical Trial | en_US |
dc.subject.other | Epstein–Barr Virus | en_US |
dc.subject.other | Human Herpesvirus 6 | en_US |
dc.subject.other | Chronic Fatigue Syndrome | en_US |
dc.subject.other | Valganciclovir | en_US |
dc.title | Randomized clinical trial to evaluate the efficacy and safety of valganciclovir in a subset of patients with chronic fatigue syndrome | en_US |
dc.type | Article | en_US |
dc.rights.robots | IndexNoFollow | en_US |
dc.subject.hlbsecondlevel | Internal Medicine and Specialties | en_US |
dc.subject.hlbtoplevel | Health Sciences | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/100139/1/jmv23713.pdf | |
dc.identifier.doi | 10.1002/jmv.23713 | en_US |
dc.identifier.source | Journal of Medical Virology | en_US |
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dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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