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Colesevelam hydrochloride to treat hypercholesterolemia and improve glycemia in prediabetes: a randomized, prospective study.

AbstractOBJECTIVE:
To assess the effect of the bile acid sequestrant colesevelam hydrochloride in patients with hypercholesterolemia and prediabetes.
METHODS:
In this 16-week, randomized, double-blind study, adults with untreated prediabetes (2-hour postoral glucose tolerance test [OGTT] glucose > or =140 to 199 mg/dL, fasting plasma glucose [FPG] > or =110 to 125 mg/dL, or both), low-density lipoprotein cholesterol (LDL-C) > or =100 mg/dL, and triglycerides <500 mg/dL were randomly assigned to receive colesevelam (3.75 g/d) or placebo. The primary end point was percent change in LDL-C from baseline to week 16 with last observation carried forward. Secondary end points included change in FPG, hemoglobin A1c (A1C), and 2-hour post-OGTT glucose level from baseline to week 16 and attainment of LDL-C and FPG targets.
RESULTS:
In total, 216 patients were randomized (colesevelam, 108; placebo, 108). In comparison with placebo, colesevelam significantly reduced LDL-C (mean treatment difference, -15.6%), non-high-density lipoprotein cholesterol (-9.1%), total cholesterol (-7.2%), apolipoprotein B (-8.1%) (P<.001 for all the foregoing), FPG (median, -2.0 mg/dL; P = .02), and A1C (mean, -0.10%; P = .02). Colesevelam did not significantly change 2-hour post-OGTT glucose (-1.9 mg/dL; P = .75) or high-density lipoprotein cholesterol (-0.5%; P = .80). In addition, colesevelam significantly increased triglyceride levels relative to placebo (median, 14.3%; P<.001). The proportion of patients achieving target levels with colesevelam versus placebo, respectively, was as follows: LDL-C <100 mg/dL (29% versus 11%; P<.001), A1C <6.0% (37% versus 25%; P = .05), FPG <110 mg/dL (48% versus 56%; P = .97), and normalization of glucose (FPG <100 mg/dL [40% versus 23%; P = .06]). Colesevelam had a weight-neutral effect and was well tolerated.
CONCLUSION:
Colesevelam is an option for managing the lipid profile and normalizing glucose levels in patients with hypercholesterolemia and prediabetes. Further study is warranted to determine whether colesevelam slows or prevents progression of prediabetes to type 2 diabetes.
AuthorsYehuda Handelsman, Ronald B Goldberg, W Timothy Garvey, Vivian A Fonseca, Julio Rosenstock, Michael R Jones, Yu-Ling Lai, Xiaoping Jin, Soamnauth Misir, Sukumar Nagendran, Stacey L Abby
JournalEndocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists (Endocr Pract) 2010 Jul-Aug Vol. 16 Issue 4 Pg. 617-28 ISSN: 1934-2403 [Electronic] United States
PMID20634176 (Publication Type: Journal Article, Multicenter Study, Randomized Controlled Trial, Research Support, Non-U.S. Gov't)
Chemical References
  • Anticholesteremic Agents
  • Blood Glucose
  • Cholesterol, LDL
  • Glycated Hemoglobin A
  • hemoglobin A1c protein, human
  • Allylamine
  • Colesevelam Hydrochloride
Topics
  • Adolescent
  • Adult
  • Aged
  • Allylamine (adverse effects, analogs & derivatives, therapeutic use)
  • Anticholesteremic Agents (adverse effects, therapeutic use)
  • Blood Glucose (analysis)
  • Body Weight (drug effects)
  • Cholesterol, LDL (blood)
  • Colesevelam Hydrochloride
  • Double-Blind Method
  • Drug Therapy, Combination (adverse effects)
  • Female
  • Glucose Tolerance Test
  • Glycated Hemoglobin (analysis)
  • Humans
  • Hypercholesterolemia (blood, complications, drug therapy)
  • Male
  • Middle Aged
  • Prediabetic State (blood, complications)
  • Statistics as Topic
  • Young Adult

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