The
Effects of Pramlintide on Gastric Emptying in Type-1
Diabetes
Pramlintide slows gastric emptying of the solid
portion of a standard meal in subjects with type 1
diabetes.
Gastric emptying is the rate-limiting step that
regulates glucose delivery from the GI tract into
the bloodstream.
The
effects of pramlintide, seen at the first meal, were
no longer present at a subsequent meal. This is why
amylin injections must be given prior to each meal
in order to see the benefits throughout the day.
Slowing Food 7: Avoid Pre-Meal Hypoglycemia
Hypoglycemia prior to meals causes accelerated
gastric emptying, which often leads to significant
glucose spikes. This can be seen following mild
hypoglycemia or instances when the glucose is normal
but falling rapidly. Prevention of hypoglycemia
going into meals can help avoid this “rebound high”
situation.
Hypoglycemia
produces “Sieve Effect”
The lower the
glucose, the faster the gastric emptying
Produces more rapid
BG rise after meal |
|
Speeding Insulin 1:
Choice of Bolus Insulin
Given
that most food cause blood glucose to start rising
within minutes of consumption, it is necessary for
insulin to be present as early as possible. As far
as making sure insulin is working as soon it is
needed, the choice of insulin can have a major
impact. Replacing regular (R) insulin with
rapid-acting insulin analogs such as aspart, lispro
and glulisine can make a significant difference due
to their earlier onset of action and peak times.