Diabetes care · 2009
Randomized comparison of pramlintide or mealtime insulin added to basal insulin treatment for patients with type 2 diabetes.
СтатьяРандомизированное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Riddle Matthew, Pencek Richard, Charenkavanich Supoat, Lutz Karen, Wilhelm Ken, Porter Lisa
Аннотация
OBJECTIVE: To compare the efficacy and safety of adding mealtime pramlintide or rapid-acting insulin analogs (RAIAs) to basal insulin for patients with inadequately controlled type 2 diabetes.
RESEARCH DESIGN AND METHODS: In a 24-week open-label, multicenter study, 113 patients were randomly assigned 1:1 to addition of mealtime pramlintide (120 microg) or a titrated RAIA to basal insulin and prior oral antihyperglycemic drugs (OADs). At screening, patients were insulin naive or had been receiving <50 units/day basal insulin for <6 months. The basal insulin dosage was titrated from day 1, seeking fasting plasma glucose (FPG) > or =70-<100 mg/dl. Pramlintide and an RAIA were initiated on day 1 and week 4, respectively. The proportion of patients achieving A1C < or =7.0% without weight gain or severe hypoglycemia at week 24 was the primary end point.
RESULTS: More pramlintide- than RAIA-treated patients achieved the primary end point (30 vs. 11%, P = 0.018) with a similar dose of basal insulin. Pramlintide and an RAIA yielded similar mean +/- SEM values for FPG and A1C at 24 weeks (122 +/- 7 vs. 123 +/- 5 mg/dl and 7.2 +/- 0.2 vs. 7.0 +/- 0.1%, respectively) and similar least squares mean reductions from baseline to end point (-31 +/- 6 vs. -34 +/- 6 mg/dl and -1.1 +/- 0.2 vs. -1.3 +/- 0.2%, respectively). RAIAs but not pramlintide caused weight gain (+4.7 +/- 0.7 vs. +0.0 +/- 0.7 kg, P < 0.0001). Fewer patients reported mild to moderate hypoglycemia with pramlintide than with the RAIA (55 vs. 82%), but more patients reported nausea (21 vs. 0%). No severe hypoglycemia occurred in either group.
CONCLUSIONS: In patients taking basal insulin and OADs, premeal fixed-dose pramlintide improved glycemic control as effectively as titrated RAIAs. The pramlintide regimen sometimes caused nausea but no weight gain and less hypoglycemia.
RESEARCH DESIGN AND METHODS: In a 24-week open-label, multicenter study, 113 patients were randomly assigned 1:1 to addition of mealtime pramlintide (120 microg) or a titrated RAIA to basal insulin and prior oral antihyperglycemic drugs (OADs). At screening, patients were insulin naive or had been receiving <50 units/day basal insulin for <6 months. The basal insulin dosage was titrated from day 1, seeking fasting plasma glucose (FPG) > or =70-<100 mg/dl. Pramlintide and an RAIA were initiated on day 1 and week 4, respectively. The proportion of patients achieving A1C < or =7.0% without weight gain or severe hypoglycemia at week 24 was the primary end point.
RESULTS: More pramlintide- than RAIA-treated patients achieved the primary end point (30 vs. 11%, P = 0.018) with a similar dose of basal insulin. Pramlintide and an RAIA yielded similar mean +/- SEM values for FPG and A1C at 24 weeks (122 +/- 7 vs. 123 +/- 5 mg/dl and 7.2 +/- 0.2 vs. 7.0 +/- 0.1%, respectively) and similar least squares mean reductions from baseline to end point (-31 +/- 6 vs. -34 +/- 6 mg/dl and -1.1 +/- 0.2 vs. -1.3 +/- 0.2%, respectively). RAIAs but not pramlintide caused weight gain (+4.7 +/- 0.7 vs. +0.0 +/- 0.7 kg, P < 0.0001). Fewer patients reported mild to moderate hypoglycemia with pramlintide than with the RAIA (55 vs. 82%), but more patients reported nausea (21 vs. 0%). No severe hypoglycemia occurred in either group.
CONCLUSIONS: In patients taking basal insulin and OADs, premeal fixed-dose pramlintide improved glycemic control as effectively as titrated RAIAs. The pramlintide regimen sometimes caused nausea but no weight gain and less hypoglycemia.