Trial Outcomes & Findings for Comparison of EPA and DHA-Rich Fish Oils on Lipoprotein Metabolism In Adults (NCT NCT02514070)

NCT ID: NCT02514070

Last Updated: 2021-07-15

Results Overview

Measure plasma proprotein convertase subtilisin/kexin type 9 (PCSK9) level, at baseline, after 6 weeks of Eicosapentaenoic acid (EPA) or Docosahexaenoic acid (DHA) fish oil supplementation.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

44 participants

Primary outcome timeframe

baseline to 6 weeks of intervention

Results posted on

2021-07-15

Participant Flow

44 participants enrolled on protocol. 5 of these 44 participants were considered screen failures. 39 participants started the protocol.

Participant milestones

Participant milestones
Measure
Arm 1: EPA-rich Fish Oil Then DHA-rich Fish Oil
Eicosapentaenoic acid (EPA)-rich fish oil 4 capsules 3 times per day after meal for a total of 3g per day for 6 weeks, followed by an 8-week washout period. Then docosahexaenoic acid (DHA)-rich fish oil 4 capsules 3 times per day after meal for a total of 3g per day for 6 weeks.
Arm 2: DHA-rich Fish Oil Then EPA-rich Fish Oil
Docosahexaenoic acid (DHA)-rich fish oil 4 capsules 3 times per day after meal for a total of 3g per day for 6 weeks, followed by an 8-week washout period. Then Eicosapentaenoic acid (EPA)-rich fish oil 4 capsules 3 times per day after meal for a total of 3g per day for 6 weeks.
Weeks 0 to Week 6
STARTED
19
20
Weeks 0 to Week 6
COMPLETED
17
16
Weeks 0 to Week 6
NOT COMPLETED
2
4
Week 6 to Week 14 - Washout Period
STARTED
17
16
Week 6 to Week 14 - Washout Period
COMPLETED
17
16
Week 6 to Week 14 - Washout Period
NOT COMPLETED
0
0
Week 14 to Week 20
STARTED
17
16
Week 14 to Week 20
COMPLETED
16
14
Week 14 to Week 20
NOT COMPLETED
1
2

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Comparison of EPA and DHA-Rich Fish Oils on Lipoprotein Metabolism In Adults

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Arm 1: EPA-rich Fish Oil, Then DHA-rich Fish Oil
n=19 Participants
Eicosapentaenoic acid (EPA)-rich fish oil 4 capsules 3 times per day after meal for a total of 3g per day for 6 weeks, followed by an 8-week washout period. Then docosahexaenoic acid (DHA)-rich fish oil 4 capsules 3 times per day after meal for a total of 3g per day for 6 weeks.
Arm 2: DHA-rich Fish Oil, Then EPA-rich Fish Oil
n=20 Participants
Docosahexaenoic acid (DHA)-rich fish oil 4 capsules 3 times per day after meal for a total of 3g per day for 6 weeks, followed by an 8-week washout period. Then Eicosapentaenoic acid (EPA)-rich fish oil 4 capsules 3 times per day after meal for a total of 3g per day for 6 weeks.
Total
n=39 Participants
Total of all reporting groups
Race (NIH/OMB)
Black or African American
3 Participants
n=93 Participants
3 Participants
n=4 Participants
6 Participants
n=27 Participants
Race (NIH/OMB)
White
9 Participants
n=93 Participants
7 Participants
n=4 Participants
16 Participants
n=27 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=93 Participants
1 Participants
n=4 Participants
1 Participants
n=27 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
Age, Continuous
31 years
STANDARD_DEVIATION 10.7 • n=93 Participants
34 years
STANDARD_DEVIATION 11.2 • n=4 Participants
32 years
STANDARD_DEVIATION 10.9 • n=27 Participants
Sex: Female, Male
Female
9 Participants
n=93 Participants
15 Participants
n=4 Participants
24 Participants
n=27 Participants
Sex: Female, Male
Male
10 Participants
n=93 Participants
5 Participants
n=4 Participants
15 Participants
n=27 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=93 Participants
1 Participants
n=4 Participants
1 Participants
n=27 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
19 Participants
n=93 Participants
19 Participants
n=4 Participants
38 Participants
n=27 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants
Race (NIH/OMB)
Asian
7 Participants
n=93 Participants
9 Participants
n=4 Participants
16 Participants
n=27 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=93 Participants
0 Participants
n=4 Participants
0 Participants
n=27 Participants

PRIMARY outcome

Timeframe: baseline to 6 weeks of intervention

Measure plasma proprotein convertase subtilisin/kexin type 9 (PCSK9) level, at baseline, after 6 weeks of Eicosapentaenoic acid (EPA) or Docosahexaenoic acid (DHA) fish oil supplementation.

Outcome measures

Outcome measures
Measure
Baseline
n=30 Participants
All study participants.
EPA-rich Fish Oil
n=30 Participants
Eicosapentaenoic acid (EPA)-rich fish oil 4 capsules 3 times per day after meal for a total of 3g per day for 6 weeks.
DHA-rich Fish Oil Arm
n=30 Participants
Docosahexaenoic acid (DHA)-rich fish oil 4 capsules 3 times per day after meal for a total of 3g per day for 6 weeks.
Plasma PCSK9 Levels at Baseline and End of 6 Week Intervention
13.30 ng/mL
Standard Deviation 3.62
14.11 ng/mL
Standard Deviation 4.36
12.44 ng/mL
Standard Deviation 3.48

SECONDARY outcome

Timeframe: Baseline to 6 weeks of intervention

Measure plasma levels at baseline to 6 weeks of intervention for the following: triglycerides (TG), low-density lipoprotein cholesterol (LDL-C), lipoprotein particle composition and size, and high-density lipoprotein (HDL) cholesterol efflux capacity.

Outcome measures

Outcome measures
Measure
Baseline
n=30 Participants
All study participants.
EPA-rich Fish Oil
n=30 Participants
Eicosapentaenoic acid (EPA)-rich fish oil 4 capsules 3 times per day after meal for a total of 3g per day for 6 weeks.
DHA-rich Fish Oil Arm
n=30 Participants
Docosahexaenoic acid (DHA)-rich fish oil 4 capsules 3 times per day after meal for a total of 3g per day for 6 weeks.
Plasma Levels in Triglyceride, Cholesterol, and Lipoprotein From Baseline to 6 Weeks
Triglyceride (TG)
95.3 mg/dL
Standard Deviation 66.6
81.7 mg/dL
Standard Deviation 64.2
82.1 mg/dL
Standard Deviation 57.9
Plasma Levels in Triglyceride, Cholesterol, and Lipoprotein From Baseline to 6 Weeks
Total Cholesterol (TC)
190.9 mg/dL
Standard Deviation 52.7
191.1 mg/dL
Standard Deviation 49.5
193.5 mg/dL
Standard Deviation 54.4
Plasma Levels in Triglyceride, Cholesterol, and Lipoprotein From Baseline to 6 Weeks
LDL-C
110.1 mg/dL
Standard Deviation 49.6
111.4 mg/dL
Standard Deviation 49.8
113.8 mg/dL
Standard Deviation 52.5
Plasma Levels in Triglyceride, Cholesterol, and Lipoprotein From Baseline to 6 Weeks
Direct LDL-C
115.7 mg/dL
Standard Deviation 48.6
114.8 mg/dL
Standard Deviation 51.3
120.6 mg/dL
Standard Deviation 49.6
Plasma Levels in Triglyceride, Cholesterol, and Lipoprotein From Baseline to 6 Weeks
Small Dense LDL
36.1 mg/dL
Standard Deviation 19.9
37.3 mg/dL
Standard Deviation 22.9
39.1 mg/dL
Standard Deviation 23.6
Plasma Levels in Triglyceride, Cholesterol, and Lipoprotein From Baseline to 6 Weeks
LDL-TG
13.1 mg/dL
Standard Deviation 4
12.9 mg/dL
Standard Deviation 4.3
12.8 mg/dL
Standard Deviation 4
Plasma Levels in Triglyceride, Cholesterol, and Lipoprotein From Baseline to 6 Weeks
HDL-C
62 mg/dL
Standard Deviation 18.9
63.4 mg/dL
Standard Deviation 20.2
63.4 mg/dL
Standard Deviation 20.4
Plasma Levels in Triglyceride, Cholesterol, and Lipoprotein From Baseline to 6 Weeks
Direct HDL-C
62.4 mg/dL
Standard Deviation 16.8
60 mg/dL
Standard Deviation 14.8
63.9 mg/dL
Standard Deviation 17.7
Plasma Levels in Triglyceride, Cholesterol, and Lipoprotein From Baseline to 6 Weeks
ApoE-HDL
5.6 mg/dL
Standard Deviation 1.8
5.4 mg/dL
Standard Deviation 1.6
5.9 mg/dL
Standard Deviation 1.9

Adverse Events

EPA-rich Fish Oil

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

DHA-rich Fish Oil

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

Washout Period

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

Marcelo J. Amar, M.D. Principal Investigator, NIH, NHLBI

National Heart Lung and Blood Institute (NHLBI)

Phone: 301-402-0521

Results disclosure agreements

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