Patent ID: 7201891

Claim:
A coated preparation product for use in the detection of Helicobacter pylori infection comprising: (i) a core composition comprising: about 19 to about 89 parts by weight of isotope carbon-labeled urea relative to 100 parts by weight of the core composition, about 10 to about 80 parts by weight of an excipient component relative to 100 parts by weight of the core composition, and about 0.01 to about 1 parts by weight of a lubricant component relative to 100 parts by weight of the core composition; the excipient component comprising: (a) at least one member selected from the group consisting of lactose, sucrose, and glucose, (b) at least one member selected from the group consisting of crystalline cellulose, low-substitution hydroxypropyl cellulose, carboxymethylcellulose calcium, and croscarmellose sodium, and, (c) at least one member selected from the group consisting of starch, carboxymethylstarch sodium, hydroxypropylstarch, and partially pregelatinized starch; and (ii) a coating agent; the core composition being coated with about 0.1 to about 5 parts by weight of the coating agent relative to 100 parts by weight of the core composition.