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Efficacy Study of Polyunsaturated Fatty Acids in Children and Adolescents With Attention Deficit/ Hyperactivity Disorder

PAD-study: Nutritional Efficacy of Polyunsaturated Fatty Acids (Omega-3 and Omega-6) in Combination With Zinc and Magnesium Versus Placebo in Children and Adolescents With Attention Deficit/ Hyperactivity Disorder (ADHD)

Status
Terminated
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01340690
Acronym
PAD
Enrollment
284
Registered
2011-04-22
Start date
2011-03-08
Completion date
2017-03-01
Last updated
2017-09-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

ADHD

Keywords

ADHD, children, adolescents, Polyunsaturated Fatty Acids, ADHDRS - IV

Brief summary

This study will determine the nutritional efficacy of Polyunsaturated Fatty Acids (PUFAs) in combination with zinc and magnesium, in children and adolescents diagnosed with Attention Deficit/ Hyperactivity Disorder (ADHD). The nutritional efficacy has to be proven in agreement with the German Verordnung über Diätetische Lebensmittel (DiätV) and the corresponding European Directive 1999/21/EC. This objective is reached by performing a placebo-controlled supplementation study with a main efficacy criterion which is also being used in pivotal studies of stimulant and non-stimulant drugs, i.e. the treatment differences between final visit and baseline in the Attention Deficit Hyperactivity Disorder Rating Scale, Parent Version IV (ADHDRS-IV).

Detailed description

The syndrome of ADHD affects 5-6% of the children and adolescents worldwide. The hallmarks are inattention, impulsivity and hyperactivity. Due to parent's fear of significant adverse effects caused by stimulant or non-stimulant therapy a high degree of children with ADHD remains untreated. Recent observational studies showed that ADHD is often associated with decreased nutritional status of certain PUFAs, zinc and magnesium which might be due to metabolic disturbances in the case of fatty acids. First interventional studies revealed that a supplementation of these nutrients may affect ADHD-related disorders and might improve certain clinical parameters, such as concentration. Participants will be randomly assigned to receive either a nutritional supplement or placebo once a day for the duration of 84 days. Participants will come in for the assessment of ADHD symptoms, compliance and the assessment of secondary outcome variables. Side effects will be monitored continuously and also assessed by rating scales.

Interventions

DIETARY_SUPPLEMENTω-3 fatty acids suspension

2 bags of Esprico(R) suspension given orally once daily in the morning for 84 days

DIETARY_SUPPLEMENTplacebo suspension

suspension to mimic verum Esprico (R) suspension. 2 bags of Esprico(R) placebo suspension given orally once daily in the morning for 84 days

Sponsors

Engelhard Arzneimittel GmbH & Co.KG
CollaboratorINDUSTRY
Johannes Gutenberg University Mainz
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Masking description

The verum nutrional supplementation is completely masked and an appropriate Placebo is provided. Up to know, none of the above mentioned is unblinded

Intervention model description

We use the dietary supplementation like a medication and performed the study like a phase 3 medication study, because the dietary supplementation (verum) is available as special preparation in drug stores.

Eligibility

Sex/Gender
ALL
Age
6 Years to 17 Years
Healthy volunteers
No

Inclusion criteria

* Written Informed Consent by parents and patients (separately for age groups 6 - 11 years and 12 - 17 years) * Children and adolescents of both gender in the age group between 6 and 17 years * Confirmed diagnosis of ADHD by semi-structured clinical interview Kiddie Schedule for Affective Disorders and Schizophrenia for school-age children (K-SADS) * ADHDRS-IV-Parent Version (18-Item-Scale): Investigator Administered and Scored ≥24 * Sufficient knowledge of the German language

Exclusion criteria

* Known hypersensitivity against components of either the verum or placebo food * All serious internal diseases * All severe psychiatric diseases except oppositional defiant disorders * Current intake of the following medication: antidepressants and other psychotropic medication * Recent intake of ω-3 fatty acids supplementation * Indication for hospitalization * Suicidality (including suicidal thoughts) * intelligence quotient \< 70 * Previous medication with stimulants within 4 weeks * Placement in an institution on official or judicial ruling * Lack of willingness to store and transmit pseudonym data according to German regulations * Parallel participation in another trial, or less than 4 weeks ago * Patients foreseeable requiring a primary medication with methylphenidate during the study period of 12 weeks

Design outcomes

Primary

MeasureTime frameDescription
ADHDRS - IVDifference in total score between baseline and end of study, an expected average of 84 daysThe primary outcome measure for efficacy will be the absolute change in the ADHDRS total score between baseline and day 84 of randomized treatment.

Secondary

MeasureTime frameDescription
Montgomery-Åsberg-Depression Rating Scale (MADRS)Baseline and each visit, monthly, an expected average of 84 days in totalAssessment of Symptoms of Depression.
Continuous Performance Test (CPT)change from Baseline to end of treatment, an expected average of 84 daysDifferences in Continuous Performance Test.
Barkley´s Side Effects Rating ScaleBaseline and each visit, monthly, an expected average of 84 days in totalNumber of Participants with Adverse Events.
Weiss Functional Impairment Rating Scale - Parent Report (WFIRS-P)change from Baseline to end of treatment, an expected average of 84 daysAssessment of Symptoms of ADHD and to what degree individual's behavior or emotional problems have impacted various clinically relevant domains of functioning.
PUFA associated blood parameterschange from Baseline to end of treatment, an expected average of 84 dayscomplete fatty acid profile in red blood cells and relevant ratios, e.g. Omega-HS-Index, Plasma-Zinc, Plasma-Copper, Serum-Magnesium, Serum-Ferritin,...
Nutrition protocolbaselineAssessment of diet habits.

Countries

Germany

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026