2008年
    - T. Higashi, F. Hirayama, S. Misumi, H. Arima and K. Uekama,
        Design and Evaluation of Polypseudorotaxanes of Pegylated Insulin with Cyclodextrins as Sustained Release System,
        Biomaterials, 29 (8), 3866-3871 (2008). 
    - T. Ishiguro, F. Hirayama, D. Iohara and K. Uekama,
        Prominent inhibitory Effect of 2-Hydroxybutyl-β-cyclodextrin on Solution-mediated Polymorphic Transition of Chlorpropamide,
        Chem. Lett., 37 (8), 816-817 (2008). 
    - K. Nishimura, T. Higashi, A. Yoshimatsu, F. Hirayama, K. Uekama and H. Arima,
        Pseudorotaxane-like Supramolecular Complex of Coenzyme Q10 with γ-cyclodextrin Formed by Solubility Method,
        Chem. Pharm. Bull., 56 (5), 701-706 (2008). 
    - N. Sekiya, A. Nishiwaki, A. Nishiura, M. Yamamoto, K. Takeda, D. Iohara, F. Hirayama, H. Arima and K. Uekama,
        Improved Stability of OPALMON® Tablets under Humid Conditions IV: Formulation Development Study,
        Chem. Pharm. Bull., 56 (1), 7-11 (2008). 
    - D. Iohara, F. Hirayama, T. Ishiguro, H. Arima and K. Uekama,
        Preparation of Amorphous Indomethacin from Aqueous 2,6-Di-O-methyl-β-cyclodextrin Solution,
        Int. J. Pharm., 354 (1-2), 70-76 (2008). 
    - T. Tsutsumi, F. Hirayama, K. Uekama and H. Arima,
        Potential use of Polyamidoamine Dendrimer/α-Cyclodextrin Conjugate (generation 3, G3) as a Novel Carrier for Short Hairpin RNA-Expressing Plasmid DNA,
        J. Pharm. Sci., 97 (8), 3022-3034 (2008). 
    - K. Uekama and F. Hirayama,
        Improvement of Drug Properties by Cyclodextrins, “The Practice of Medicinal Chemistry (3rd version)”, Ed. by C. G. Wermuth, Academic Press Limited, London, 2008, pp. 813-840.