• Yuri Masui, Yoshihide Asano, Takehiro Takahashi, Sayaka Shibata, Kaname Akamata, Naohiko Aozasa, Shinji Noda, Takashi Taniguchi, Yohei Ichimura, Tetsuo Toyama, Zenshiro Tamaki, Hayakazu Sumida, Koichi Yanaba, Yayoi Tada, Makoto Sugaya, Shinichi Sato, and Takafumi Kadono.
• Department of Dermatology, University of Tokyo Graduate School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.
• Mod Rheumatol. 2013 Mar 1;23(2):323-9.

ObjectiveTo investigate the clinical significance of monitoring serum adiponectin levels during intravenous pulse cyclophosphamide (IVCY) in systemic sclerosis (SSc) patients with interstitial lung disease (ILD).MethodsSerum adiponectin levels were determined by a specific enzyme-linked immunosorbent assay in eight SSc patients with active ILD who underwent IVCY and 27 healthy controls. In patients, serum samples were drawn the day before each IVCY.ResultsSerum adiponectin levels were significantly decreased in SSc patients with active ILD before the first IVCY compared with healthy controls [median (25-75 percentile): 3.21 (2.70-4.19) vs. 7.42 (6.06-10.82) μg/ml; P < 0.01). After the completion of whole IVCY, serum adiponectin levels were significantly increased [17.55 (6.47-39.45) μg/ml; P < 0.05] compared with the initial levels, and this increase significantly correlated with the decrease in ILD scores. Importantly, the dynamics of serum adiponectin levels during the IVCY therapy reflected its efficacy against SSc-ILD over the treatment and the follow-up period.ConclusionThe monitoring of serum adiponectin levels during the IVCY treatment may be useful to identify SSc patients with ILD refractory to the treatment and at high risk for exacerbations during the follow-up period.

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