Omega-3 fatty acids supplementation for adolescent boys with attention deficit hyperactivity disorder: a double-blind, randomized controlled trial

ISRCTN ISRCTN27741572
DOI https://doi.org/10.1186/ISRCTN27741572
Secondary identifying numbers N/A
Submission date
10/03/2006
Registration date
09/05/2006
Last edited
20/06/2016
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Mental and Behavioural Disorders
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English Summary

Not provided at time of registration

Contact information

Dr Eric Taylor
Scientific

Child and Adolescent Psychiatry
Institute of Psychiatry
P085 De Crespigny Park
London
SE5 8AF
United Kingdom

Email e.taylor@iop.kcl.ac.uk

Study information

Study designDouble-blind randomised placebo-controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Not specified
Study typeTreatment
Participant information sheet Not available in web format, please use the contact details below to request a patient information sheet
Scientific titleOmega-3 fatty acids supplementation for adolescent boys with attention deficit hyperactivity disorder: a double-blind, randomized controlled trial
Study acronymMAAFA
Study hypothesisOmega-3 fatty acids supplementation for 3 months is effective and safe to improve symptoms of attention deficit hyperactivity disorder in male adolescents.
Ethics approval(s)Not provided at time of registration
ConditionAttention deficit hyperactivity disorder (ADHD)
InterventionSubjects receiving 6 capsules a day for three months either:
1. 558 mg eicosapentaenoic acid (EPA), 174 mg docosahexaenoic acid (DHA) and 60 mg gamma-linolenic acid (GLA) (per day)
2. 3 g Middle Chain Trygliceride oil with fishy flavour per day (Placebo)
Intervention typeSupplement
Primary outcome measureConners’ teacher rating scale ADHD index
Secondary outcome measures1. Fatty acids deficiency questionnaire
2. 4-Day dietary patterns questionnaire
3. Buss-Perry aggression scale
4. Strength and difficulty questionnaire
5. Depression Anxiety Stress Scales
6. Barratt impulsivity scale
7. Electroencephalography/event-related potential
8. Blood test (phospholipid fatty acids status in red blood cell and plasma)
9. Conners’ parent rating scale
10. Neurophysiological measures
Overall study start date20/03/2006
Overall study end date30/09/2007

Eligibility

Participant type(s)Patient
Age groupChild
Lower age limit12 Years
Upper age limit17 Years
SexMale
Target number of participants60
Participant inclusion criteria1. Male adolescents aged 12-17 years of age from special schools in London and Kent in the UK
2. Subjects who meet ADHD diagnosis criteria using a structured interview (CHIPS) based on Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) criteria
3. Subjects who have Conners’ Parents ADHD Rating Global Scale and Conners’ Teachers ADHD Rating Global Scale above 65
Participant exclusion criteria1. Subjects who took omega-3 supplement within 6 months
2. A personal history of diabetes or other metabolic disorder influencing fatty acid metabolism
3. Subjects who are not living in a family home or residential school
4. Subjects who are under special diets (e.g. vegetarian, taking supplements)
5. Subjects who are not in school during the intervention
6. Serious or chronic disease
7. Low blood coagulation function (e.g. haemophilia, hepatic dysfunction, low-vitamin K)
8. Under these medications: alpha tocopherol, selected anticoagulants (aspirin, warfarin, heparin), cyclosporine, clopidogrel, etretinate and topical steroids, cholesterol-lowering medications (atorvastatin, lovastatin, and simvastatin), non-steroidal anti-inflammatory drugs (NSAIDs), dalteparin, dipyrdamole, enoxaparin, ticlopedine
9. Known allergy for fish product derivatives, Vitamin E derivatives, gelatine
10. Abnormal blood data in the baseline assessment
11. All subjects will score higher than 70 on the prorated IQ as measured by The Kaufman Brief Intelligence Test (K-BIT)
12. For the electroencephalogram (EEG) studies only, subjects with left handed, neurological problems or substance abuse will be excluded
Recruitment start date20/03/2006
Recruitment end date30/09/2007

Locations

Countries of recruitment

  • England
  • United Kingdom

Study participating centre

Institute of Psychiatry
London
SE5 8AF
United Kingdom

Sponsor information

King's College London (UK)
University/education

Institute of Psychiatry
De Crespigny Park
London
SE5 8AF
England
United Kingdom

Email g.dale@iop.kcl.ac.uk
ROR logo "ROR" https://ror.org/0220mzb33

Funders

Funder type

Charity

The Mother and Child Foundation (registered charity number 1037513) (UK)

No information available

Equazen Nutraceutical Ltd. will provide capsules (UK)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 01/12/2015 Yes No

Editorial Notes

20/06/2016: Publication reference added.