Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Peptide containing doai
Patent
1998-09-03
2000-05-16
Moezie, F. T.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Peptide containing doai
514784, 514785, 514786, 514937, 514962, 514970, 514975, 514885, 424451, 424452, 424455, 424456, 436506, A61K 948, A61K 910
Patent
active
060637625
ABSTRACT:
The present invention relates to a microemulsion preconcentrate composition comprising (1) cyclosporin as an active component; (2) alkyl ester of polycarboxylic acid and/or carboxylic acid ester of polyols as a lipophilic solvent; (3) oil; and (4) surfactant. The composition according to the present invention is characterized in that it dissolves in an external phase such as water, artificial gastric fluid and artificial intestinal fluid by controlling the mixing ratio of the components thereby to get the microemulsion form of inner phase diameter of 100 nm or below. The composition according to the present invention can be formulated as the dosage form of a soft capsule, a hard capsule sealed with a gelatin banding at the conjugated portion, or an oral liquid preparation for oral administration. Especially, in the case that the composition according to the present invention is formulated in a soft capsule, the resultant capsule does not show the disadvantages of the prior arts such as the reactivity of hydrophilic solvent with gelatin shell of soft capsule and the volatility of hydrophilic solvent. It is because the existing patents use a hydrophilic solvent as an essential component of their compositions but the present invention does not use any hydrophilic solvent.
REFERENCES:
patent: 4388307 (1983-06-01), Cavanak
patent: 5342625 (1994-08-01), Hauer et al.
patent: 5583105 (1996-12-01), Kovacs et al.
patent: 5639474 (1997-06-01), Woo
patent: 5639724 (1997-06-01), Cavanak
patent: 5645856 (1997-07-01), Lacy et al.
Choi Nam Hee
Hong Chung Il
Kim Jung Woo
Shin Hee Jong
Yang Su Geun
Chong Kun Dang Corp.
Moezie F. T.
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