Chugai Seiyaku Kabushiki Kaisha

Heizi Ikushima

Kazuo Igusa

Sadao Bessho

Hiroto Nakano

A stabilized oily preparation of a 1.alpha.-hydroxy-vitamin D for oral administration comprising a 1.alpha.-hydroxy-vitamin D and, as oily diluent, a triglyceride of saturated middle chain fatty acid which has been treated under certain conditions, and a method for manufacturing the same are disclosed.

Stabilized oily preparation of 1.alpha.-hydroxy-vitamin D and method for

A soft gelatin capsule preparation of a 1.alpha.-hydroxy-vitamin D which contains sorbic acid or its salt and a process for preparing the preparation are disclosed. Sorbic acid or its salt which is incorporated in a soft gelatin capsule and/or an oily diluent acts as a preservative for gelatin and as a stabilizer for the vitamin D.

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Kawaguchi, Japan

Heizi Ikushima