1.Gingyo Gedokusan vs Oseltamivir for the Treatment of Uncomplicated Influenza and Influenza-like illness : An Open-label Prospective Study
Kentaro Iwata ; Wataru Igarashi ; Midori Honjo ; Takashi Nishimoto ; Kyoko Shinya ; Akiko Makino ; Kazuo Mitani ; Yoshiko Tatsumi ; Hiroyuki Ninomiya ; Kumi Higasa ; Seiichiro Usuki ; Hiroki Kagawa ; Daisuke Uchida ; Kohei Takimoto ; Rei Suganaga ; Hiroo Matsuo ; Yuichiro Oba ; Mami Horigome ; Hideaki Oka ; Goh Ohji ; Yasuhisa Abe ; Hiroyuki Yoshida ; Shohiro Kinoshita ; Midori Hirai
General Medicine 2013;14(1):13-22
Background: Gingyo-gedoku-san (GGGS) is an herbal medicine approved for upper respiratory infections in Japan. We conducted an open-label, multi-center, prospective trial, comparing GGGS with oseltamivir in patients with influenza and influenza-like illness (ILI) as a pilot study.
Methods: Subjects were healthy persons aged between 16 and 40, and were enrolled from January 12, 2010 to March 24, 2011. Fifteen patients were enrolled in this trial (8 and 7 for GGGS and oseltamivir, respectively). RT-PCR was positive for pandemic influenza A (H1N1) in 10 patients. The patients were provided with either GGGS or oseltamivir for 5 days. The primary outcome was mortality and/or hospitalization 7 days after the initial diagnosis. Body temperature and other clinical characteristics were also evaluated.
Results: All patients recovered from illness without complication or hospitalization. The mean time to resolve symptoms for the GGGS and oseltamivir groups was 3.9 days and 3.3 days, respectively (p=0.43). The GGGS group appeared to have a smaller symptom score AUC than the oseltamivir group, (p=0.26). Time to recover activity level appeared to be shorter in the GGGS group (p=0.10), with shorter time to recover health status (p=0.02). Sub-group analysis on patients with positive PCR showed similar results between the two groups.
Conclusion: GGGS was associated with symptom improvements resembling oseltamivir for both influenza and ILI. Randomized controlled trials involving larger sample sizes are needed to confirm these results.
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