Symlin (pramlintide)
Symlin is the first in a new class of injectable, anti-hyperglycemic medications for use in patients with type 2 or type 1 diabetes treated with insulin. Pramlintide, the active ingredient in Symlin, is a synthetic analog of human amylin, a naturally occurring neuroendocrine hormone synthesized by pancreatic beta cells that helps control glucose control after meals. Amylin, similar to insulin, is absent or deficient in patients with diabetes. When used with insulin, this compound can improve glycemic control and has additional benefits that cannot be realized with insulin alone.
According to published data, Symlin reduces post meal blood sugar peaks, reduces glucose fluctuations throughout the day, enhances satiety (the sensation of fullness) leading to potential weight loss, and lowers mealtime insulin requirements. Studies have shown it improves A1C beyond the effect of insulin alone.
Symlin is taken just prior to meals, three times a day. It is given in injection form and is used for:
Type 2 diabetes, as an additional treatment in patients who use mealtime insulin therapy and have failed to achieve desired glucose control despite optimal insulin therapy, with or without a concurrent sulfonylurea agent and/or metformin.
Type 1 diabetes, as an additional treatment in patients who use mealtime insulin therapy and who have failed to achieve desired glucose control despite optimal insulin therapy.
Symlin is considered a therapy option in patients with insulin-using type 2 or type 1 diabetes, that are unable to achieve adequate glycemic control despite individualized insulin management. Insulin-using patients with type 2 diabetes may also be taking a concurrent sulfonylurea agent and/or metformin.
The major side effect of Symlin is nausea, and this can be reduced with a slow, steady, increase in dose. The other major side effect is hypoglycemia (dangerously low levels of blood sugar). To avoid this, the dose of mealtime insulin should be cut in half when starting Symlin. Of note is the degree of weight loss seen with Symlin therapy. Studies for up to six months show weight loss of greater than six pounds more than placebo (inactive pills). For more, please read the drug information on pramlintide (Symlin).
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