Transparent liquid for encapsulated drug delivery

PCT No. PCT/US94/13394 Sec. 371 Date May 17, 1995 Sec. 102(e) Date May 17, 1995 PCT Filed Nov. 16, 1994 PCT Pub. No. WO95/14037 PCT Pub. Date May 26, 1995There is provided a stable transparent multi-component composition useful for the delivery of water soluble active agents to animals. The compositions are formulated with a mixture of an oil phase, an aqueous phase, and a surfactant system, along with the active agent to be delivered to the animal. The compositions are specially formulated to be compatible with capsules such as gelatin and starch capsules. The aqueous phase of the compositions contains a substantial amount of polyethylene glycol and can optionally also contain a plasticizer. Preferred active agents are proteinaceous materials.