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
Retrospectively registered
? Protocol not yet added
? SAP not yet added
Results added
? Raw data not yet added
Study completed

Plain English Summary

Not provided at time of registration

Study website

Contact information

Type

Scientific

Contact name

Dr Eric Taylor

ORCID ID

Contact details

Child and Adolescent Psychiatry
Institute of Psychiatry
P085 De Crespigny Park
London
SE5 8AF
United Kingdom
-
e.taylor@iop.kcl.ac.uk

Additional identifiers

EudraCT/CTIS number

IRAS number

ClinicalTrials.gov number

Protocol/serial number

N/A

Study information

Scientific title

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

Acronym

MAAFA

Study hypothesis

Omega-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

Study design

Double-blind randomised placebo-controlled trial

Primary study design

Interventional

Secondary study design

Randomised controlled trial

Study setting(s)

Not specified

Study type

Treatment

Patient information sheet

Not available in web format, please use the contact details below to request a patient information sheet

Condition

Attention deficit hyperactivity disorder (ADHD)

Intervention

Subjects 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 type

Supplement

Primary outcome measure

Conners’ teacher rating scale ADHD index

Secondary outcome measures

1. 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 date

20/03/2006

Overall study end date

30/09/2007

Reason abandoned (if study stopped)

Eligibility

Participant inclusion criteria

1. 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 type(s)

Patient

Age group

Child

Lower age limit

12 Years

Upper age limit

17 Years

Sex

Male

Target number of participants

60

Participant exclusion criteria

1. 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 date

20/03/2006

Recruitment end date

30/09/2007

Locations

Countries of recruitment

England, United Kingdom

Study participating centre

Institute of Psychiatry
London
SE5 8AF
United Kingdom

Sponsor information

Organisation

King's College London (UK)

Sponsor details

Institute of Psychiatry
De Crespigny Park
London
SE5 8AF
England
United Kingdom
-
g.dale@iop.kcl.ac.uk

Sponsor type

University/education

Website

ROR

https://ror.org/0220mzb33

Funders

Funder type

Charity

Funder name

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

Alternative name(s)

Funding Body Type

Funding Body Subtype

Location

Funder name

Equazen Nutraceutical Ltd. will provide capsules (UK)

Alternative name(s)

Funding Body Type

Funding Body Subtype

Location

Results and Publications

Publication and dissemination plan

Not provided at time of registration

Intention to publish date

Individual participant data (IPD) sharing plan

IPD sharing plan summary

Not provided at time of registration

Study outputs

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

Additional files

Editorial Notes

20/06/2016: Publication reference added.