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Trial ยท NCT00271817

To Evaluate Ezetimibe/Simvastatin and Niacin (Extended Release Tablet) in Patients With Type IIa or Type IIb Hyperlipidemia (0653A-091)(COMPLETED)

NCT00271817, Phase 3, Completed, Organon and Co; results first posted 2009-08-03

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. To Evaluate Ezetimibe/Simvastatin and Niacin (Extended Release Tablet) in Patients With Type IIa or Type IIb Hyperlipidemia (0653A-091)(COMPLETED). Trials, record NCT00271817. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT00271817

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
To Evaluate Ezetimibe/Simvastatin and Niacin (Extended Release Tablet) in Patients With Type IIa or Type IIb Hyperlipidemia (0653A-091)(COMPLETED)
NCT number
NCT00271817
Status
Completed
Phases
Phase 3
Enrollment
1,220 participants, actual
Lead sponsor
Organon and Co
Conditions
Hypercholesterolemia
Interventions
Comparator: ezetimibe/simvastatin + niacin (ER), Comparator: Placebo to ezetimibe/simvastatin, Comparator: niacin (ER) tablet, Comparator: ezetimibe (+) simvastatin, Comparator: Placebo to Niacin (ER), Comparator: ezetimibe/simvastatin and niacin (ER), Comparator: ezetimibe and simvastatin, Comparator: Placebo to niacin (ER)
First posted
2006-01-04
Last updated
2024-05-16
Results first posted
2009-08-03
Limitations and caveats
Part 1 population is all patients enrolled in Part 1 of the study. Part 2 is those patients who received either niacin, ezetimibe/simvastatin, or ezetimibe/simvastatin + niacin during Part 1 until they finished the study at week 64 or discontinued.

Source ClinicalTrials.gov

Registered outcomes10

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryPercent Change From Baseline in Low-Density Lipoprotein-Cholesterol (LDL-C)Baseline and 24 Weeks
Ezetimibe/simvastatin co-administered with niacin extended release compared to niacin extended release monotherapy on the percent change, from baseline in LDL-C after 24 weeks - 24 Week Measure Minus Baseline
PrimaryPercent Change From Baseline in Low-Density Lipoprotein-Cholesterol (LDL-C)Baseline and 24 weeks
Ezetimibe/simvastatin co-administered with niacin extended release compared to ezetimibe/simvastatin monotherapy on the percent change from baseline in LDL-C after 24 weeks - 24 week measure minus baseline
SecondaryPercent Change From Baseline in Non-High-Density Lipoprotein-Cholesterol (Non-HDL-C)Baseline and 24 weeks
Ezetimibe/simvastatin co-administered with niacin extended release compared to niacin extended release monotherapy on the percent change from baseline in non-HDL-C after 24 weeks - 24 week measure minus baseline
SecondaryPercent Change From Baseline in High-Density Lipoprotein-Cholesterol (HDL-C)Baseline and 24 weeks
Ezetimibe/simvastatin co-administered with niacin extended release compared to ezetimibe/simvastatin monotherapy on the percent change from baseline in HDL-C after 24 weeks - 24 week measure minus baseline
SecondaryPercent Change From Baseline in Triglycerides (TG)baseline and 24 Weeks
Ezetimibe/simvastatin co-administered with niacin extended release compared to ezetimibe/simvastatin monotherapy on the percent change from baseline in Triglycerides after 24 weeks - 24 week measure minus baseline
SecondaryPercent Change From Baseline in High-Density Lipoprotein-Cholesterol (HDL-C)Baseline and 64 weeks
Ezetimibe/simvastatin co-administered with niacin extended release compared to ezetimibe/simvastatin monotherapy on the percent change from baseline in HDL-C after 64 weeks - 64 week measure minus baseline
SecondaryPercent Change From Baseline in Triglycerides (TG)Baseline and 64 weeks
Ezetimibe/simvastatin co-administered with niacin extended release compared to ezetimibe/simvastatin monotherapy on the percent change from baseline in Triglycerides after 64 weeks - 64 week measure minus baseline
SecondaryPercent Change From Baseline in Non-High-Density Lipoprotein-Cholesterol (Non-HDL-C)Baseline and 64 weeks
Ezetimibe/simvastatin co-administered with niacin extended release compared to ezetimibe/simvastatin monotherapy on the percent change from baseline in non-HDL-C after 64 weeks - 64 week measure minus baseline
SecondaryPercent Change From Baseline in Low-Density Lipoprotein-Cholesterol (LDL-C)Baseline and 64 weeks
Ezetimibe/simvastatin co-administered with niacin extended release compared to ezetimibe/simvastatin monotherapy on the percent change from baseline in LDL-C after 64 weeks - 64 week measure minus baseline
SecondaryPercent Change From Baseline in Non-High-Density Lipoprotein-Cholesterol (Non-HDL-C)Baseline and 24 weeks
Ezetimibe/simvastatin co-administered with niacin extended release compared to ezetimibe/simvastatin monotherapy on the percent change from baseline in non-HDL-C after 24 weeks - 24 week measure minus baseline

Outcomes10

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYPercent Change From Baseline in Low-Density Lipoprotein-Cholesterol (LDL-C)Baseline and 24 Weeks
The participant population for this analysis is the Completers Population. This includes all patients with a baseline value, who receive at least 24 weeks of active study therapy, and who have an on-treatment measurement at the maximum titrated dose per the protocol.
Percent changeMEAN
SECONDARYPercent Change From Baseline in Non-High-Density Lipoprotein-Cholesterol (Non-HDL-C)Baseline and 24 weeks
The participant population for this analysis is the Completers Population. This includes all patients with a baseline value, who receive at least 24 weeks of active study therapy, and who have an on-treatment measurement at the maximum titrated dose per the protocol.
Percent changeMEAN
SECONDARYPercent Change From Baseline in High-Density Lipoprotein-Cholesterol (HDL-C)Baseline and 24 weeks
The participant population for this analysis is the Completers Population. This includes all patients with a baseline value, who receive at least 24 weeks of active study therapy, and who have an on-treatment measurement at the maximum titrated dose per the protocol.
Percent changeMEAN
SECONDARYPercent Change From Baseline in Triglycerides (TG)baseline and 24 Weeks
The participant population for this analysis is the Completers Population. This includes all patients with a baseline value, who receive at least 24 weeks of active study therapy, and who have an on-treatment measurement at the maximum titrated dose per the protocol.
Percent changeMEDIAN
SECONDARYPercent Change From Baseline in High-Density Lipoprotein-Cholesterol (HDL-C)Baseline and 64 weeks
The analysis population is the modified intention-to-treat population, which includes patients that were randomized to ezetimibe/simvastatin + niacin or ezetimibe/simvastatin treatment groups and have a baseline measurement and at least on measurement beyond Week 24.
Percent changeMEAN
SECONDARYPercent Change From Baseline in Triglycerides (TG)Baseline and 64 weeks
The analysis population is the modified intention-to-treat population, which includes patients that were randomized to ezetimibe/simvastatin + niacin or ezetimibe/simvastatin treatment groups and have a baseline measurement and at least on measurement beyond Week 24.
Percent changeMEDIAN
SECONDARYPercent Change From Baseline in Non-High-Density Lipoprotein-Cholesterol (Non-HDL-C)Baseline and 64 weeks
The analysis population is the modified intention-to-treat population, which includes patients that were randomized to ezetimibe/simvastatin + niacin or ezetimibe/simvastatin treatment groups and have a baseline measurement and at least on measurement beyond Week 24.
Percent changeMEAN
SECONDARYPercent Change From Baseline in Low-Density Lipoprotein-Cholesterol (LDL-C)Baseline and 64 weeks
The analysis population is the modified intention-to-treat population, which includes patients that were randomized to ezetimibe/simvastatin + niacin or ezetimibe/simvastatin treatment groups and have a baseline measurement and at least on measurement beyond Week 24.
Percent changeMEAN
PRIMARYPercent Change From Baseline in Low-Density Lipoprotein-Cholesterol (LDL-C)Baseline and 24 weeks
The participant population for this analysis is the Completers Population. This includes all patients with a baseline value, who receive at least 24 weeks of active study therapy, and who have an on-treatment measurement at the maximum titrated dose per the protocol.
Percent changeMEAN
SECONDARYPercent Change From Baseline in Non-High-Density Lipoprotein-Cholesterol (Non-HDL-C)Baseline and 24 weeks
The analysis population is the modified intention-to-treat population, which includes patients that were randomized to ezetimibe/simvastatin + niacin or ezetimibe/simvastatin treatment groups and have a baseline measurement and at least on measurement beyond Week 24.
Percent changeMEAN

Results by group20

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Percent Change From Baseline in Low-Density Lipoprotein-Cholesterol (LDL-C)Niacin-20.1Standard Error 1.3Percent change
Percent Change From Baseline in Low-Density Lipoprotein-Cholesterol (LDL-C)Ezetimibe/Simvastatin + Niacin-58.5Standard Error 0.8Percent change
Percent Change From Baseline in Non-High-Density Lipoprotein-Cholesterol (Non-HDL-C)Niacin-22.0Standard Error 1.3Percent change
Percent Change From Baseline in Non-High-Density Lipoprotein-Cholesterol (Non-HDL-C)Ezetimibe/Simvastatin + Niacin-55.6Standard Error 0.8Percent change
Percent Change From Baseline in High-Density Lipoprotein-Cholesterol (HDL-C)Ezetimibe/Simvastatin8.1Standard Error 1.3Percent change
Percent Change From Baseline in High-Density Lipoprotein-Cholesterol (HDL-C)Ezetimibe/Simvastatin + Niacin30.2Standard Error 1.0Percent change
Percent Change From Baseline in Triglycerides (TG)Ezetimibe/Simvastatin23.7Standard Deviation 29.7Percent change
Percent Change From Baseline in Triglycerides (TG)Ezetimibe/Simvastatin + Niacin-42.5Standard Deviation 27.5Percent change
Percent Change From Baseline in High-Density Lipoprotein-Cholesterol (HDL-C)Ezetimibe/Simvastatin9.0Standard Error 1.4Percent change
Percent Change From Baseline in High-Density Lipoprotein-Cholesterol (HDL-C)Ezetimibe/Simvastatin + Niacin30.5Standard Error 1.1Percent change

Participant flow18

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Part 1STARTEDNiacin272
Part 1STARTEDEzetimibe/Simvastatin272
Part 1STARTEDEzetimibe/Simvastatin + Niacin676
Part 1COMPLETEDNiacin166
Part 1COMPLETEDEzetimibe/Simvastatin213
Part 1COMPLETEDEzetimibe/Simvastatin + Niacin391
Part 1NOT COMPLETEDNiacin106
Part 1NOT COMPLETEDEzetimibe/Simvastatin59
Part 1NOT COMPLETEDEzetimibe/Simvastatin + Niacin285
Part 2STARTEDNiacin0

Adverse events475

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherConstipationGastrointestinal disordersNiacin0272
otherConstipationGastrointestinal disordersEzetimibe/Simvastatin0670
otherConstipationGastrointestinal disordersEzetimibe/Simvastatin + Niacin0272
otherConstipationGastrointestinal disordersEzetimibe/Simvastatin - Part 28326
otherConstipationGastrointestinal disordersEzetimibe/Simvastatin + Niacin - Part 210775
otherDiarrhoeaGastrointestinal disordersNiacin9272
otherDiarrhoeaGastrointestinal disordersEzetimibe/Simvastatin27670
otherDiarrhoeaGastrointestinal disordersEzetimibe/Simvastatin + Niacin10272
otherDiarrhoeaGastrointestinal disordersEzetimibe/Simvastatin - Part 212326
otherDiarrhoeaGastrointestinal disordersEzetimibe/Simvastatin + Niacin - Part 247775

Adverse event totals15

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityNiacin
Total, all-cause mortalityEzetimibe/Simvastatin
Total, all-cause mortalityEzetimibe/Simvastatin + Niacin
Total, all-cause mortalityEzetimibe/Simvastatin - Part 2
Total, all-cause mortalityEzetimibe/Simvastatin + Niacin - Part 2
Total, other adverse eventsNiacin121
Total, other adverse eventsEzetimibe/Simvastatin428
Total, other adverse eventsEzetimibe/Simvastatin + Niacin185
Total, other adverse eventsEzetimibe/Simvastatin - Part 2175
Total, other adverse eventsEzetimibe/Simvastatin + Niacin - Part 2505

Papers3

The papers the trial lists on ClinicalTrials.gov.

PMIDListed asSource
18420099BACKGROUNDPubMed
22338103DERIVEDPubMed
23926117DERIVEDPubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT00271817

GET https://conductscience.org/api/trials/v1/NCT00271817/events?page=2