Omega-3 Fatty Acids Efficacy in First-episode of Schizophrenia

NCT ID: NCT02210962

Last Updated: 2015-02-18

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE4

Total Enrollment

80 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-09-30

Study Completion Date

2015-02-28

Brief Summary

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There is accumulating experimental evidence to suggest the role of essential fatty acids (EFA) in neuronal migration, pruning and synaptic plasticity. These processes are implied to be dysfunctional on early stages of schizophrenia, according to neurodevelopmental hypothesis. Numerous epidemiological and clinical trial data support the benefit of EFA rich diets in reducing symptoms in schizophrenia. An EFA rich diet might be of particular importance at the beginning of the illness. As a relatively safe option, EFA supplementation would be a preferable add on therapy in treating individuals with a first episode of schizophrenia (FES) and a short duration of psychotic symptoms. No long term follow-up studies of EFA supplementation in FES patients were carried out. The demonstration of the efficacy of the prophylactic properties of EFAs in relapse prevention in FES patients would be a strong basis for further studies and prescribing EFAs for a large population of patients who are in the early stages of that debilitating illness.

Detailed Description

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Conditions

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Schizophrenia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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essential fatty acids

The experimental treatment is a food supplement containing fish oil. The daily dose of 4 capsules provides 1320 mg of eicosapentaenoic acid and 880 mg of docosahexaenoic acid, 26 weeks intervention

Group Type EXPERIMENTAL

essential fatty acids

Intervention Type DIETARY_SUPPLEMENT

Yellow capsules containing eicosapentaenoic acid, docosahexaenoic acid (active)

olive oil

Placebo capsules contain olive oil and trace amount of fish oil to assure comparable taste, 26 weeks intervention

Group Type PLACEBO_COMPARATOR

olive oil

Intervention Type DIETARY_SUPPLEMENT

Yellow capsules containing olive oil (placebo)

Interventions

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essential fatty acids

Yellow capsules containing eicosapentaenoic acid, docosahexaenoic acid (active)

Intervention Type DIETARY_SUPPLEMENT

olive oil

Yellow capsules containing olive oil (placebo)

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* Patients diagnosed with schizophrenia using Diagnostic and Statistical Manual of Mental Disorders, fourth edition (DSM-IV) criteria
* Patients aged between 16-35 years
* Signed informed consent (parallel parents consent for individuals under 18 years of age)

Exclusion Criteria

* Patients taking fish oil supplements (a washout period of 6 months is required)
* Patients diagnosed with epilepsy or suffering from epileptic seizures
* Patients receiving anticoagulant medication e.g., Warfarin
* Patients receiving psychotherapy
* Chronic somatic diseases
* Psychoactive substance dependence
* Pregnancy and lactation
* Mental retardation or diagnosed organic brain injury
Minimum Eligible Age

16 Years

Maximum Eligible Age

35 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Medical University of Lodz

OTHER

Sponsor Role lead

Responsible Party

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Tomasz Pawelczyk

Assistant Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Tomasz P Pawełczyk, MD, PhD

Role: PRINCIPAL_INVESTIGATOR

Department of Affective and Psychotic Disorders Medical University of Lodz

Locations

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Department of Affective and Psychotic Disorders Medical University of Lodz

Lodz, Łódź Voivodeship, Poland

Site Status

Countries

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Poland

References

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Pawelczyk T, Grancow M, Kotlicka-Antczak M, Trafalska E, Gebski P, Szemraj J, Zurner N, Pawelczyk A. Omega-3 fatty acids in first-episode schizophrenia - a randomized controlled study of efficacy and relapse prevention (OFFER): rationale, design, and methods. BMC Psychiatry. 2015 May 2;15:97. doi: 10.1186/s12888-015-0473-2.

Reference Type DERIVED
PMID: 25934131 (View on PubMed)

Other Identifiers

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N N402 243435

Identifier Type: -

Identifier Source: org_study_id

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