Although initial laboratory studies using biosynthetic human insulin (BHI) indicate little difference in the intrinsic potency of biosynthetic human and purified pork insulin (PPI) in vitro, certain in vivo observations suggest that BHI may differ pharmacokinetically from pork insulin. If further studies support these suggestions, the use of BHI may be able to provide better glycemic control and more near normal plasma insulin profiles during treatment of insulin-dependent diabetes than can be achieved with presently available insulin preparations. However, BHI appears to offer no advantage over presently available PPI in terms of prevention and treatment of insulin lipodystrophy, insulin allergy, and immune insulin resistance.

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