Sustained-release microparticle preparation of human growth...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai

Reexamination Certificate

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C424S468000

Reexamination Certificate

active

07378394

ABSTRACT:
Provided is a sustained-release microparticle preparation of a human growth hormone which combines biodegradability with sustained-release performance while avoiding the use of an organic solvent as much as possible, allows the sustained-release of a human growth hormone over 3 days or more and reduction in the initial burst release, can contain a human growth hormone at 10% or more, can quantitatively adsorb and encapsulate a human growth hormone at up to 20%, and has excellent dispersion and needle penetration properties. A process for producing the sustained-release microparticle preparation of a human growth hormone is also provided. The sustained-release microparticle preparation comprises a porous apatite derivative, a human growth hormone, and a water-soluble divalent metal compound.

REFERENCES:
patent: 5055307 (1991-10-01), Tsuru et al.
patent: 2006/0153930 (2006-07-01), Mizushima et al.
patent: 11286403 (1999-10-01), None
patent: 2000239104 (2000-09-01), None
patent: 2002326960 (2002-11-01), None
patent: 2002348234 (2002-12-01), None
patent: 2004075662 (2004-03-01), None
Gautier H. et al., “In vitro influence of apatite-granule-specific area on human growth hormone loading and release,”Journal of Biomedical Materials Research, 1998, vol. 40, No. 4, pp. 606-613.
Guicheux J. et al., “Growth hormone-loaded macroporous calcium phosphate ceramic: In vitro biopharmaceutical characterization and preliminary in vivo study,”Journal of Biomedical Materials Research,1998, vol. 40, No. 4, pp. 560-566.
Guicheux J. et al., “Association of human growth hormone and calcium phosphate by dynamic compaction: In vitro biocompatibility and bioactivity,”Journal of Biomedical Materials Research, 1997, vol. 36, No. 2, pp. 258-264.
Guicheux J. et al., “Apatite as carrier for growth hormone: In vitro characterization of loading and release,”Journal of Biomedical Materials Research, 1997, vol. 34, No. 2, pp. 165-170.
Webster T. J. et al., “Hydroxylapatite with substituted magnesium, zinc, cadmium, and yttrium. II. Mechanisms of osteoblast adhesion,” Journal of Biomedical Materials Research, 2002, vol. 59, No. 2, pp. 312-317.
Sogo, Y. et al., “The most appropriate (Ca+Zn)/P molar ratio to minimize the zinc content of ZnTCP/HAP ceramic used in the promotion of bone formation,”Journal of Biomedical Materials Research, 2002, vol. 62, No. 3, pp. 457-463.
Ogawa, Y. et al., “A New Technique to Efficiently Entrap Leuprolide Acetate into Microcapsules of Polylactic Acid or Copoly(Lactic/Glycolic) Acid,”Chem. Pharm. Bull. vol. 36, No. 3, 1998, pp. 1095-1103.
Johnson, O. L., et al., “A month-long effect from a single injection of microencapsulated human growth hormone,”Nature Medicine, vol. 2, No. 7, Jul. 1996, pp. 795-799.
Yamaguchi, T. et al., “Ceramic Science Series 7 Bioceramics,” Gihodo Shuppan Co., Ltd., 1984, pp. 7-9.

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