Polyalkylene oxide particles, composition for medicine, composition for formulation, and formulation

2:

• The polyalkylene oxide particles according to claim 1, wherein when X parts by mass of the polyalkylene oxide particles are sieved in sequence by a sieve with a mesh opening of 300 μm, a sieve with a mesh opening of 250 μm, a sieve with a mesh opening of 180 μm, a sieve with a mesh opening of 150 μm, a sieve with a mesh opening of 106 μm, a sieve with a mesh opening of 75 μm, and a saucer, the mass ratios of polyalkylene oxide particles remaining on the sieves and the saucer are all 5 mass % or more based on X.

3:

• The polyalkylene oxide particles according to claim 1, for use in a preparation.

4:

• A pharmaceutical composition comprising the polyalkylene oxide particles according to claim 1.

5:

• A preparation composition comprising the pharmaceutical composition according to claim 4.

6:

• The preparation composition according to claim 5, which comprises 20 mass % or more of the polyalkylene oxide particles.

7:

• A preparation comprising the preparation composition according to claim 5.