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A Prospective, Open Label Comparison of Ezetimibe, Niacin, and Colestipol as Adjunct Therapy in Lipid Reduction

Information source: Tuscaloosa Research & Education Advancement Corporation
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Hyperlipidemia; Hypercholesterolemia

Intervention: Niacin (Drug); Colestipol (Drug); Ezetimibe (Drug)

Phase: Phase 4

Status: Completed

Sponsored by: Tuscaloosa Research & Education Advancement Corporation

Official(s) and/or principal investigator(s):
Raela B Williford, PharmD, Principal Investigator, Affiliation: Tuscaloosa VA Medical Center


To compare LDL reduction compared to baseline in patients using maximum tolerated HMG CoA Reductase inhibitor (statin) therapy with adjunctive therapy with ezetimibe, colestipol, or niacin. The patient's cardiovascular risks are assessed to determine if National Cholesterol Education Program's Adult Treatment Panel III (NCEP ATP III) guidelines for low density lipoprotein (LDL) reduction were achieved between the three groups. Secondary measures examine the safety issues with liver function test (LFT) monitoring and rhabdomyolysis. High-density lipoproteins (HDL) elevations are monitored between the three groups to determine efficacy as a secondary outcome.

Clinical Details

Official title: A Prospective, Open Label Comparison of Ezetimibe, Niacin, and Colestipol as Adjunct Therapy in Lipid Reduction

Study design: Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome: LDL Goal Attainment

Secondary outcome:

LFT Elevation

Incidents of Rhabdomyolysis

Change in HDL From Baseline to 12 Weeks.

Detailed description: : Patients with hyperlipidemia who sign consent and who are currently at maximum tolerated dose of a statin and are not meeting NCEP ATPIII treatment goals for LDL cholesterol are enrolled in 12-week open label, prospective trial. Patients are randomized into one of three groups to receive ezetimibe, niacin, or colestipol in addition to current statin therapy. Patients are titrated as tolerated to therapeutic doses of study medications (ezetimibe 10mg/day, niacin 1500mg/day, and colestipol 20gm/day). At baseline, informed consent; a laboratory admission profile (Chem20); weight; height; blood pressure; concomitant medications; cholesterol medication history; and grapefruit juice consumption data are gathered. At weeks 6 and 12, patients have their cholesterol panels and liver function tests assessed. Patients are also interviewed regarding side effects (including rhabdomyolysis), tolerance, changes in concomitant medications, and grapefruit juice consumption, along with weight and blood pressure measurements.


Minimum age: 50 Years. Maximum age: N/A. Gender(s): Both.


Inclusion Criteria:

- Veterans eligible for treatment at the Tuscaloosa VA Medical Center

- 50 years of age

- Male or female

- Any race or ethnic group

- Signed informed consent

- Hyperlipidemia despite current maximum tolerated dose of an HMG CoA Reductase

inhibitor (statin) for > 6 weeks

- Currently not meeting NCEP ATPIII treatment goals for LDL cholesterol

Exclusion Criteria:

- Known hypersensitivity or intolerance to ezetimibe, niacin, or colestipol

- Previous failed adequate trial of adjunctive ezetimibe, niacin, or colestipol

- Consumes more than 8oz. grapefruit juice daily

- Significant medical condition that would impact safety evaluations (i. e.

significantly elevated LFT, hepatitis, severe dermatitis, uncontrolled diabetes, severe GI disease, fibromyalgia, renal failure, recent CVA or MI, pancreatitis, etc.)

- Receiving medications that would be contraindicated to use in combination with

ezetimibe, niacin, or colestipol

Locations and Contacts

Tuscaloosa Research & Education Advancement Corporation, Tuscaloosa, Alabama 35404, United States
Additional Information

Related publications:

Ansell BJ. Rationale for combination therapy with statin drugs in the treatment of dyslipidemia. Curr Atheroscler Rep. 2005 Feb;7(1):29-33. Review.

Starting date: May 2005
Last updated: August 8, 2014

Page last updated: August 23, 2015

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