Magnesium containing insulin solution
First Claim
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1. Insulin preparations for parenteral administration containing at least 20 insulin units per ml, comprising a solution of an insulin and magnesium ions in a magnesium concentration in the range from about 0.02 to 0.5M, the preparation having a pH value in the range from about 3 to 8.5.
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Abstract
Insulin preparations with improved properties for parenteral administration can be prepared at pH values of about 3 to 8.5 by presence of magnesium ions in concentration of about 0.005 to 0.5M, a preferred range is 0.02M to 0.5M.
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Citations
12 Claims
- 1. Insulin preparations for parenteral administration containing at least 20 insulin units per ml, comprising a solution of an insulin and magnesium ions in a magnesium concentration in the range from about 0.02 to 0.5M, the preparation having a pH value in the range from about 3 to 8.5.
- 11. Process of preparing insulin solutions for parenteral administration which comprises mixing a water soluble magnesium salt, an insulin and water, the magnesium concentration being in the range from about 0.02M to 0.5M, the insulin concentration being in the range from about 20 to 500 insulin units per ml, the pH being adjusted to a level in the range from about 3 to 8.5.
Specification