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A Study of the Effect of RO4607381 on Atherosclerotic Plaque in Patients With Coronary Heart Disease

A Randomized, Placebo-controlled Study of the Effect of RO4607381 on Progression or Regression of Atherosclerotic Plaque in Patients With Coronary Heart Disease (CHD) Including Patients With Other CHD Risk Factors

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00655473
Enrollment
130
Registered
2008-04-10
Start date
2008-03-31
Completion date
2010-11-30
Last updated
2020-01-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Coronary Heart Disease

Brief summary

This study will assess the effect of RO4607381, compared to placebo, on atherosclerotic plaque in patients with coronary heart disease (CHD) including patients with other CHD risk factors. After a pre-randomisation period during which positron emission tomography computed tomography (PET/CT) and MRI will be conducted, patients will be randomized to receive either RO4607381 600mg po daily, or placebo po daily. PET/CT and MRI scans will be taken at intervals during the study. The anticipated time on study treatment is 2 years, and the target sample size is 100 individuals.

Interventions

600mg po daily for 24 months

DRUGPlacebo

po daily for 24 months

Sponsors

Hoffmann-La Roche
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* adult patients, 18-75 years of age; * CHD, including patients with other CHD risk factors; * treated appropriately for dyslipidemia; * clinically stable.

Exclusion criteria

* previous exposure to any cholesteryl ester transfer protein (CETP) inhibitor or vaccine; * recent (within 3 months) clinically significant coronary events, transient ischemic attacks or cerebrovascular accident; * severe anemia; * uncontrolled hypertension; * poorly controlled diabetes.

Design outcomes

Primary

MeasureTime frame
Percent Change From Baseline in Mean Wall Thickness24 months
Change From Baseline in Target (Plaque) to Background (Blood) Ratio From an Index Vessel.6 months

Secondary

MeasureTime frame
Blood Lipids,LipoproteinsThroughout study
Change From Baseline in Vessel Magnetic Resonance (MR) Determined Compliance6 months
CHD, Major Coronary Events, Adverse Events (AEs), Lab Parameters, Blood PressureThroughout study
BiomarkersUp to 24 months
Change From Baseline in Vessel MR Determined Plaque AnatomyUp to 24 months

Countries

Canada, United States

Participant flow

Participants by arm

ArmCount
Dalcetrapib (RO4607381)
Dalcetrapib (RO4607381): 600mg po daily for 24 months
64
Placebo
Placebo: po daily for 24 months
66
Total130

Baseline characteristics

CharacteristicPlaceboTotalDalcetrapib (RO4607381)
Age, Continuous64.6 years
STANDARD_DEVIATION 7.8
63.6 years
STANDARD_DEVIATION 1
62.6 years
STANDARD_DEVIATION 8.24
Region of Enrollment
Canada
8 participants16 participants8 participants
Region of Enrollment
United States
58 participants114 participants56 participants
Sex: Female, Male
Female
55 Participants106 Participants51 Participants
Sex: Female, Male
Male
11 Participants24 Participants13 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
0 / 640 / 66
serious
Total, serious adverse events
20 / 6419 / 66

Outcome results

Primary

Change From Baseline in Target (Plaque) to Background (Blood) Ratio From an Index Vessel.

Time frame: 6 months

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Dalcetrapib (RO4607381)Change From Baseline in Target (Plaque) to Background (Blood) Ratio From an Index Vessel.-0.188 RatioStandard Error 0.078
PlaceboChange From Baseline in Target (Plaque) to Background (Blood) Ratio From an Index Vessel.-0.260 RatioStandard Error 0.079
Primary

Percent Change From Baseline in Mean Wall Thickness

Time frame: 24 months

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Dalcetrapib (RO4607381)Percent Change From Baseline in Mean Wall Thickness4.245 Percent ChangeStandard Error 3.018
PlaceboPercent Change From Baseline in Mean Wall Thickness6.679 Percent ChangeStandard Error 3.111
Secondary

Biomarkers

Time frame: Up to 24 months

Population: Data not collected

Secondary

Blood Lipids,Lipoproteins

Time frame: Throughout study

Population: Data not collected

Secondary

Change From Baseline in Vessel Magnetic Resonance (MR) Determined Compliance

Time frame: 6 months

Population: Data not collected

Secondary

Change From Baseline in Vessel MR Determined Plaque Anatomy

Time frame: Up to 24 months

Population: Data not collected

Secondary

CHD, Major Coronary Events, Adverse Events (AEs), Lab Parameters, Blood Pressure

Time frame: Throughout study

Population: Data not collected

Source: ClinicalTrials.gov · Data processed: Mar 28, 2026