Trial Outcomes & Findings for Phytosterols, Ezetimibe, and Cholesterol Metabolism (NCT NCT00863265)

NCT ID: NCT00863265

Last Updated: 2018-06-01

Results Overview

Milligrams of fecal cholesterol and cholesterol metabolites excreted per day

Recruitment status

COMPLETED

Study phase

EARLY_PHASE1

Target enrollment

22 participants

Primary outcome timeframe

At the end of week 3 on each diet

Results posted on

2018-06-01

Participant Flow

175 subjects were screened and 153 were excluded prior to randomization. 75 did not meet screening criteria, 39 declined to participate and 39 were not able to perform functions needed for the study. 22 Subjects were randomized and 21 completed the study.

Participant milestones

Participant milestones
Measure
Crossover Order ABC
Subjects will undergo 3 periods of 21 days on a controlled diet plus phytosterols/placebo and ezetimibe/placebo. A washout of 7 days occurs between periods. A. Phytosterols 2000 mg/day and ezetimibe 10 mg/day. B. Phytosterol placebo and ezetimibe placebo. C. Phytosterol placebo and active ezetimibe 10 mg/day. ezetimibe plus phytosterols.
Crossover Order BCA
Subjects will undergo 3 periods of 21 days on a controlled diet plus phytosterols/placebo and ezetimibe/placebo. A washout of 7 days occurs between periods. A. Phytosterols 2000 mg/day and ezetimibe 10 mg/day. B. Phytosterol placebo and ezetimibe placebo. C. Phytosterol placebo and active ezetimibe 10 mg/day. ezetimibe plus phytosterols.
Crossover Order BAC
Subjects will undergo 3 periods of 21 days on a controlled diet plus phytosterols/placebo and ezetimibe/placebo. A washout of 7 days occurs between periods. A. Phytosterols 2000 mg/day and ezetimibe 10 mg/day. B. Phytosterol placebo and ezetimibe placebo. C. Phytosterol placebo and active ezetimibe 10 mg/day. ezetimibe plus phytosterols.
Crossover Order ACB
Subjects will undergo 3 periods of 21 days on a controlled diet plus phytosterols/placebo and ezetimibe/placebo. A washout of 7 days occurs between periods. A. Phytosterols 2000 mg/day and ezetimibe 10 mg/day. B. Phytosterol placebo and ezetimibe placebo. C. Phytosterol placebo and active ezetimibe 10 mg/day. ezetimibe plus phytosterols.
Crossover Order CAB
Subjects will undergo 3 periods of 21 days on a controlled diet plus phytosterols/placebo and ezetimibe/placebo. A washout of 7 days occurs between periods. A. Phytosterols 2000 mg/day and ezetimibe 10 mg/day. B. Phytosterol placebo and ezetimibe placebo. C. Phytosterol placebo and active ezetimibe 10 mg/day. ezetimibe plus phytosterols.
Crossover Order CBA
Subjects will undergo 3 periods of 21 days on a controlled diet plus phytosterols/placebo and ezetimibe/placebo. A washout of 7 days occurs between periods. A. Phytosterols 2000 mg/day and ezetimibe 10 mg/day. B. Phytosterol placebo and ezetimibe placebo. C. Phytosterol placebo and active ezetimibe 10 mg/day. ezetimibe plus phytosterols.
Overall Study
STARTED
4
3
4
4
4
3
Overall Study
COMPLETED
4
3
4
4
3
3
Overall Study
NOT COMPLETED
0
0
0
0
1
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Phytosterols, Ezetimibe, and Cholesterol Metabolism

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
All Study Participants
n=22 Participants
All study participants.
Age, Continuous
47 years
STANDARD_DEVIATION 15 • n=5 Participants
Sex: Female, Male
Female
9 Participants
n=5 Participants
Sex: Female, Male
Male
13 Participants
n=5 Participants
Race/Ethnicity, Customized
race · white
20 Participants
n=5 Participants
Race/Ethnicity, Customized
race · asian
1 Participants
n=5 Participants
Race/Ethnicity, Customized
race · hispanic
1 Participants
n=5 Participants

PRIMARY outcome

Timeframe: At the end of week 3 on each diet

Population: Healthy subjects

Milligrams of fecal cholesterol and cholesterol metabolites excreted per day

Outcome measures

Outcome measures
Measure
Phytosterol-Deficient Diet
n=21 Participants
Phytosterol-deficient diet plus ezetimibe placebo plus phytosterol placebo. Phytosterol-Deficient Diet, Ezetimibe 10 mg, Phytosterol Esters Containing 2000 mg Phytosterols: Subjects will undergo three diet periods of 21 days each. Food will be supplied by a metabolic kitchen and will consist of a phytosterol-deficient baseline diet. Subjects will also receive either no active treatment, ezetimibe, or ezetimibe plus phytosterols.
Diet Plus Ezetimibe
n=21 Participants
Phytosterol-deficient diet plus 10 mg/day of ezetimibe plus phytosterol placebo. Phytosterol-Deficient Diet, Ezetimibe 10 mg, Phytosterol Esters Containing 2000 mg Phytosterols: Subjects will undergo three diet periods of 21 days each. Food will be supplied by a metabolic kitchen and will consist of a phytosterol-deficient baseline diet. Subjects will also receive either no active treatment, ezetimibe, or ezetimibe plus phytosterols.
Diet Plus Ezetimibe Plus Phytosterols
n=21 Participants
Phytosterol-deficient diet plus 10 mg/day of ezetimibe plus 2000 mg/day of phytosterols. Phytosterol-Deficient Diet, Ezetimibe 10 mg, Phytosterol Esters Containing 2000 mg Phytosterols: Subjects will undergo three diet periods of 21 days each. Food will be supplied by a metabolic kitchen and will consist of a phytosterol-deficient baseline diet. Subjects will also receive either no active treatment, ezetimibe, or ezetimibe plus phytosterols.
Cholesterol Excretion
505 mg per day
Interval 386.0 to 625.0
794 mg per day
Interval 615.0 to 973.0
962 mg per day
Interval 757.0 to 1168.0

PRIMARY outcome

Timeframe: Determined on the final 5 days of each dietary period

Percent of intestinal cholesterol absorbed. Intestinal cholesterol is comprised of dietary cholesterol intake and endogenous cholesterol secreted into the intestinal lumen. Cholesterol absorption is the percent of intestinal cholesterol that is taken back up into the body and excluded from fecal excretion. It is also referred to as the efficiency of intestinal cholesterol absorption.

Outcome measures

Outcome measures
Measure
Phytosterol-Deficient Diet
n=21 Participants
Phytosterol-deficient diet plus ezetimibe placebo plus phytosterol placebo. Phytosterol-Deficient Diet, Ezetimibe 10 mg, Phytosterol Esters Containing 2000 mg Phytosterols: Subjects will undergo three diet periods of 21 days each. Food will be supplied by a metabolic kitchen and will consist of a phytosterol-deficient baseline diet. Subjects will also receive either no active treatment, ezetimibe, or ezetimibe plus phytosterols.
Diet Plus Ezetimibe
n=21 Participants
Phytosterol-deficient diet plus 10 mg/day of ezetimibe plus phytosterol placebo. Phytosterol-Deficient Diet, Ezetimibe 10 mg, Phytosterol Esters Containing 2000 mg Phytosterols: Subjects will undergo three diet periods of 21 days each. Food will be supplied by a metabolic kitchen and will consist of a phytosterol-deficient baseline diet. Subjects will also receive either no active treatment, ezetimibe, or ezetimibe plus phytosterols.
Diet Plus Ezetimibe Plus Phytosterols
n=21 Participants
Phytosterol-deficient diet plus 10 mg/day of ezetimibe plus 2000 mg/day of phytosterols. Phytosterol-Deficient Diet, Ezetimibe 10 mg, Phytosterol Esters Containing 2000 mg Phytosterols: Subjects will undergo three diet periods of 21 days each. Food will be supplied by a metabolic kitchen and will consist of a phytosterol-deficient baseline diet. Subjects will also receive either no active treatment, ezetimibe, or ezetimibe plus phytosterols.
Percent Cholesterol Absorption
69.0 Percent
Interval 61.8 to 76.2
46.2 Percent
Interval 38.5 to 53.9
32.6 Percent
Interval 26.9 to 38.3

PRIMARY outcome

Timeframe: At the end of week 3 on each diet

Population: Healthy subjects

Outcome measures

Outcome measures
Measure
Phytosterol-Deficient Diet
n=21 Participants
Phytosterol-deficient diet plus ezetimibe placebo plus phytosterol placebo. Phytosterol-Deficient Diet, Ezetimibe 10 mg, Phytosterol Esters Containing 2000 mg Phytosterols: Subjects will undergo three diet periods of 21 days each. Food will be supplied by a metabolic kitchen and will consist of a phytosterol-deficient baseline diet. Subjects will also receive either no active treatment, ezetimibe, or ezetimibe plus phytosterols.
Diet Plus Ezetimibe
n=21 Participants
Phytosterol-deficient diet plus 10 mg/day of ezetimibe plus phytosterol placebo. Phytosterol-Deficient Diet, Ezetimibe 10 mg, Phytosterol Esters Containing 2000 mg Phytosterols: Subjects will undergo three diet periods of 21 days each. Food will be supplied by a metabolic kitchen and will consist of a phytosterol-deficient baseline diet. Subjects will also receive either no active treatment, ezetimibe, or ezetimibe plus phytosterols.
Diet Plus Ezetimibe Plus Phytosterols
n=21 Participants
Phytosterol-deficient diet plus 10 mg/day of ezetimibe plus 2000 mg/day of phytosterols. Phytosterol-Deficient Diet, Ezetimibe 10 mg, Phytosterol Esters Containing 2000 mg Phytosterols: Subjects will undergo three diet periods of 21 days each. Food will be supplied by a metabolic kitchen and will consist of a phytosterol-deficient baseline diet. Subjects will also receive either no active treatment, ezetimibe, or ezetimibe plus phytosterols.
LDL Cholesterol
129 mg/deciliter
Interval 116.0 to 142.0
108 mg/deciliter
Interval 97.0 to 119.0
101 mg/deciliter
Interval 90.0 to 112.0

Adverse Events

Phytosterol-Deficient Diet

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Diet Plus Ezetimibe

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Diet Plus Ezetimibe Plus Phytosterols

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Richard E. Ostlund MD

Washington University School of Medicine

Phone: 314-362-3516

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place