Trial Outcomes & Findings for Fatty Acid Supplementation in Children With ASD (NCT NCT03550209)

NCT ID: NCT03550209

Last Updated: 2021-08-03

Results Overview

Group differences in bioavailability; each fatty acid as a percent of total erythrocyte fatty acids at the end of the trial

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

72 participants

Primary outcome timeframe

Baseline to 90 days post-randomization

Results posted on

2021-08-03

Participant Flow

Participant milestones

Participant milestones
Measure
LCPUFA Oil Supplement, Low Dose
25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, Medium Dose
50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, High Dose
75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
Canola Oil
Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days Canola Oil Placebo: Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days
Overall Study
STARTED
12
12
13
35
Overall Study
COMPLETED
11
9
11
31
Overall Study
NOT COMPLETED
1
3
2
4

Reasons for withdrawal

Reasons for withdrawal
Measure
LCPUFA Oil Supplement, Low Dose
25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, Medium Dose
50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, High Dose
75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
Canola Oil
Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days Canola Oil Placebo: Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days
Overall Study
Lost to Follow-up
1
0
1
0
Overall Study
Withdrawal by Subject
0
3
1
2
Overall Study
Excluded due to ineligibility after randomization
0
0
0
2

Baseline Characteristics

Fatty Acid Supplementation in Children With ASD

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
LCPUFA Oil Supplement, Low Dose
n=12 Participants
25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, Medium Dose
n=12 Participants
50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, High Dose
n=13 Participants
75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
Canola Oil
n=33 Participants
Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days Canola Oil Placebo: Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days
Total
n=70 Participants
Total of all reporting groups
Age, Customized
2-3 years
7 Participants
n=99 Participants
7 Participants
n=107 Participants
7 Participants
n=206 Participants
15 Participants
n=7 Participants
36 Participants
n=31 Participants
Age, Customized
4-6 years
5 Participants
n=99 Participants
5 Participants
n=107 Participants
6 Participants
n=206 Participants
18 Participants
n=7 Participants
34 Participants
n=31 Participants
Sex: Female, Male
Female
3 Participants
n=99 Participants
2 Participants
n=107 Participants
3 Participants
n=206 Participants
5 Participants
n=7 Participants
13 Participants
n=31 Participants
Sex: Female, Male
Male
9 Participants
n=99 Participants
10 Participants
n=107 Participants
10 Participants
n=206 Participants
28 Participants
n=7 Participants
57 Participants
n=31 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=99 Participants
3 Participants
n=107 Participants
0 Participants
n=206 Participants
2 Participants
n=7 Participants
6 Participants
n=31 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
11 Participants
n=99 Participants
9 Participants
n=107 Participants
13 Participants
n=206 Participants
31 Participants
n=7 Participants
64 Participants
n=31 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
0 Participants
n=31 Participants
Race/Ethnicity, Customized
Race · Black or African-American
4 Participants
n=99 Participants
2 Participants
n=107 Participants
4 Participants
n=206 Participants
3 Participants
n=7 Participants
13 Participants
n=31 Participants
Race/Ethnicity, Customized
Race · White
6 Participants
n=99 Participants
6 Participants
n=107 Participants
8 Participants
n=206 Participants
27 Participants
n=7 Participants
47 Participants
n=31 Participants
Race/Ethnicity, Customized
Race · Other or Multiple Races
2 Participants
n=99 Participants
3 Participants
n=107 Participants
1 Participants
n=206 Participants
3 Participants
n=7 Participants
9 Participants
n=31 Participants
Race/Ethnicity, Customized
Race · Missing
0 Participants
n=99 Participants
1 Participants
n=107 Participants
0 Participants
n=206 Participants
0 Participants
n=7 Participants
1 Participants
n=31 Participants
Baseline Pre-Specified Biological Signatures (cytokines)
IL-1β
0.10 pg/ml
STANDARD_DEVIATION 0.05 • n=99 Participants
0.16 pg/ml
STANDARD_DEVIATION 0.25 • n=107 Participants
0.07 pg/ml
STANDARD_DEVIATION 0.05 • n=206 Participants
0.10 pg/ml
STANDARD_DEVIATION 0.06 • n=7 Participants
0.11 pg/ml
STANDARD_DEVIATION 0.04 • n=31 Participants
Baseline Pre-Specified Biological Signatures (cytokines)
IL-2
0.31 pg/ml
STANDARD_DEVIATION 0.12 • n=99 Participants
0.55 pg/ml
STANDARD_DEVIATION 0.96 • n=107 Participants
0.23 pg/ml
STANDARD_DEVIATION 0.10 • n=206 Participants
0.48 pg/ml
STANDARD_DEVIATION 0.47 • n=7 Participants
0.39 pg/ml
STANDARD_DEVIATION 0.15 • n=31 Participants
Baseline Pre-Specified Biological Signatures (cytokines)
IFNγ
8.95 pg/ml
STANDARD_DEVIATION 6.40 • n=99 Participants
11.22 pg/ml
STANDARD_DEVIATION 10.18 • n=107 Participants
9.80 pg/ml
STANDARD_DEVIATION 7.35 • n=206 Participants
16.72 pg/ml
STANDARD_DEVIATION 43.17 • n=7 Participants
11.67 pg/ml
STANDARD_DEVIATION 3.49 • n=31 Participants

PRIMARY outcome

Timeframe: Baseline to 90 days post-randomization

Population: 11 participants were not included in analysis due to missing a scheduled blood draw at 90 days post randomization.

Group differences in bioavailability; each fatty acid as a percent of total erythrocyte fatty acids at the end of the trial

Outcome measures

Outcome measures
Measure
LCPUFA Oil Supplement, Low Dose
n=9 Participants
25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, Medium Dose
n=9 Participants
50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, High Dose
n=11 Participants
75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
Canola Oil
n=30 Participants
Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days Canola Oil Placebo: Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days
Bioavailability
EPA
1.95 mol%
Standard Deviation 1.04
1.80 mol%
Standard Deviation 1.56
3.00 mol%
Standard Deviation 2.45
0.80 mol%
Standard Deviation 0.33
Bioavailability
DHA
4.33 mol%
Standard Deviation 1.26
3.61 mol%
Standard Deviation 1.39
4.75 mol%
Standard Deviation 1.76
2.46 mol%
Standard Deviation 0.92

PRIMARY outcome

Timeframe: Baseline to 90 days post-randomization

Average number of adverse events per treatment group

Outcome measures

Outcome measures
Measure
LCPUFA Oil Supplement, Low Dose
n=12 Participants
25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, Medium Dose
n=12 Participants
50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, High Dose
n=13 Participants
75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
Canola Oil
n=33 Participants
Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days Canola Oil Placebo: Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days
Safety (Adverse Events)
4.5 events per person
Standard Deviation 2.35
3.33 events per person
Standard Deviation 2.23
5.62 events per person
Standard Deviation 2.81
3.88 events per person
Standard Deviation 2.53

PRIMARY outcome

Timeframe: Baseline to 90 days post-randomization

Population: 11 participants were not included in analysis due to missing a scheduled blood draw at 90 days post randomization.

Changes in the biological signatures (IL-1β, IL-2, IFNγ) from baseline to the end of the trial.

Outcome measures

Outcome measures
Measure
LCPUFA Oil Supplement, Low Dose
n=9 Participants
25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, Medium Dose
n=9 Participants
50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, High Dose
n=11 Participants
75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
Canola Oil
n=30 Participants
Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days Canola Oil Placebo: Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days
Biological Signatures
IL-1β
-0.01 pg/ml
Standard Deviation 0.64
-0.02 pg/ml
Standard Deviation 0.38
-0.03 pg/ml
Standard Deviation 0.16
0.11 pg/ml
Standard Deviation 0.09
Biological Signatures
IL-2
-0.10 pg/ml
Standard Deviation 0.34
-0.29 pg/ml
Standard Deviation 0.01
-0.11 pg/ml
Standard Deviation 0.26
0.01 pg/ml
Standard Deviation 0.24
Biological Signatures
IFNγ
-1.04 pg/ml
Standard Deviation 0.67
-1.43 pg/ml
Standard Deviation 0.56
2.99 pg/ml
Standard Deviation 0.19
-9.77 pg/ml
Standard Deviation 43.92

Adverse Events

LCPUFA Oil Supplement, Low Dose

Serious events: 0 serious events
Other events: 12 other events
Deaths: 0 deaths

LCPUFA Oil Supplement, Medium Dose

Serious events: 0 serious events
Other events: 11 other events
Deaths: 0 deaths

LCPUFA Oil Supplement, High Dose

Serious events: 0 serious events
Other events: 13 other events
Deaths: 0 deaths

Canola Oil

Serious events: 0 serious events
Other events: 31 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
LCPUFA Oil Supplement, Low Dose
n=12 participants at risk
25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 25 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, Medium Dose
n=12 participants at risk
50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 50 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
LCPUFA Oil Supplement, High Dose
n=13 participants at risk
75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days LCPUFA Oil Supplement: 75 mg/kg of GLA+EPA+DHA as Omega 3-6 oil to be administered twice per day by mouth for 90 days
Canola Oil
n=33 participants at risk
Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days Canola Oil Placebo: Equal volume of placebo (canola) oil to be administered twice per day by mouth for 90 days
Ear and labyrinth disorders
Ear
16.7%
2/12 • Number of events 2 • Baseline to 90 days post-randomization
0.00%
0/12 • Baseline to 90 days post-randomization
23.1%
3/13 • Number of events 4 • Baseline to 90 days post-randomization
18.2%
6/33 • Number of events 6 • Baseline to 90 days post-randomization
Eye disorders
Eye
8.3%
1/12 • Number of events 1 • Baseline to 90 days post-randomization
0.00%
0/12 • Baseline to 90 days post-randomization
15.4%
2/13 • Number of events 2 • Baseline to 90 days post-randomization
6.1%
2/33 • Number of events 2 • Baseline to 90 days post-randomization
Gastrointestinal disorders
Gastrointestinal
66.7%
8/12 • Number of events 16 • Baseline to 90 days post-randomization
83.3%
10/12 • Number of events 14 • Baseline to 90 days post-randomization
92.3%
12/13 • Number of events 30 • Baseline to 90 days post-randomization
66.7%
22/33 • Number of events 38 • Baseline to 90 days post-randomization
Infections and infestations
Infectious
41.7%
5/12 • Number of events 7 • Baseline to 90 days post-randomization
33.3%
4/12 • Number of events 4 • Baseline to 90 days post-randomization
61.5%
8/13 • Number of events 9 • Baseline to 90 days post-randomization
57.6%
19/33 • Number of events 21 • Baseline to 90 days post-randomization
Injury, poisoning and procedural complications
Accidental Injury
0.00%
0/12 • Baseline to 90 days post-randomization
8.3%
1/12 • Number of events 1 • Baseline to 90 days post-randomization
15.4%
2/13 • Number of events 2 • Baseline to 90 days post-randomization
6.1%
2/33 • Number of events 2 • Baseline to 90 days post-randomization
Musculoskeletal and connective tissue disorders
Muscular
16.7%
2/12 • Number of events 2 • Baseline to 90 days post-randomization
16.7%
2/12 • Number of events 2 • Baseline to 90 days post-randomization
7.7%
1/13 • Number of events 1 • Baseline to 90 days post-randomization
12.1%
4/33 • Number of events 4 • Baseline to 90 days post-randomization
Nervous system disorders
Headache
0.00%
0/12 • Baseline to 90 days post-randomization
0.00%
0/12 • Baseline to 90 days post-randomization
7.7%
1/13 • Number of events 1 • Baseline to 90 days post-randomization
6.1%
2/33 • Number of events 2 • Baseline to 90 days post-randomization
Psychiatric disorders
Psychological
41.7%
5/12 • Number of events 6 • Baseline to 90 days post-randomization
33.3%
4/12 • Number of events 5 • Baseline to 90 days post-randomization
53.8%
7/13 • Number of events 9 • Baseline to 90 days post-randomization
36.4%
12/33 • Number of events 17 • Baseline to 90 days post-randomization
Renal and urinary disorders
Genital
8.3%
1/12 • Number of events 1 • Baseline to 90 days post-randomization
0.00%
0/12 • Baseline to 90 days post-randomization
7.7%
1/13 • Number of events 1 • Baseline to 90 days post-randomization
3.0%
1/33 • Number of events 1 • Baseline to 90 days post-randomization
Respiratory, thoracic and mediastinal disorders
Nose
41.7%
5/12 • Number of events 6 • Baseline to 90 days post-randomization
25.0%
3/12 • Number of events 3 • Baseline to 90 days post-randomization
30.8%
4/13 • Number of events 5 • Baseline to 90 days post-randomization
12.1%
4/33 • Number of events 5 • Baseline to 90 days post-randomization
Skin and subcutaneous tissue disorders
Skin
16.7%
2/12 • Number of events 3 • Baseline to 90 days post-randomization
16.7%
2/12 • Number of events 2 • Baseline to 90 days post-randomization
15.4%
2/13 • Number of events 2 • Baseline to 90 days post-randomization
18.2%
6/33 • Number of events 7 • Baseline to 90 days post-randomization
Musculoskeletal and connective tissue disorders
Mouth
0.00%
0/12 • Baseline to 90 days post-randomization
0.00%
0/12 • Baseline to 90 days post-randomization
0.00%
0/13 • Baseline to 90 days post-randomization
9.1%
3/33 • Number of events 4 • Baseline to 90 days post-randomization
Respiratory, thoracic and mediastinal disorders
Chest
25.0%
3/12 • Number of events 3 • Baseline to 90 days post-randomization
41.7%
5/12 • Number of events 6 • Baseline to 90 days post-randomization
38.5%
5/13 • Number of events 5 • Baseline to 90 days post-randomization
27.3%
9/33 • Number of events 9 • Baseline to 90 days post-randomization
Nervous system disorders
Energy
25.0%
3/12 • Number of events 3 • Baseline to 90 days post-randomization
16.7%
2/12 • Number of events 3 • Baseline to 90 days post-randomization
0.00%
0/13 • Baseline to 90 days post-randomization
12.1%
4/33 • Number of events 4 • Baseline to 90 days post-randomization
Nervous system disorders
Sleep
33.3%
4/12 • Number of events 4 • Baseline to 90 days post-randomization
0.00%
0/12 • Baseline to 90 days post-randomization
15.4%
2/13 • Number of events 2 • Baseline to 90 days post-randomization
18.2%
6/33 • Number of events 6 • Baseline to 90 days post-randomization

Additional Information

Dr. Sarah Keim

Nationwide Children's Hospital

Phone: 1-800-792-8401

Results disclosure agreements

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