Insulin formulation
First Claim
1. A formulation of human insulin comprising a suspension of human Ultralente insulin crystals in a total formulation zinc concentration of between about 0.5 milligrams to about 20 milligrams per 100 units of insulin wherein the formulation does not contain proteins other than insulin.
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Abstract
The present invention is directed to an insulin formulation comprising a suspension of Ultralente crystals and a total formulation zinc concentration of between about 0.5 milligrams to about 20 milligrams per 100 units of insulin. Greater than fifty percent of the total zinc in the formulation resides in the soluble fraction, rather than in complex with the insulin. This insulin formulation generally has a pH from between about 6.0 to about 7.4. In addition, the insulin formulation of the present invention does not contain other proteins like protamine. This zinc-modified formulation displays characteristics of a very long lasting human insulin product.
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Citations
19 Claims
- 1. A formulation of human insulin comprising a suspension of human Ultralente insulin crystals in a total formulation zinc concentration of between about 0.5 milligrams to about 20 milligrams per 100 units of insulin wherein the formulation does not contain proteins other than insulin.
Specification