Efficacy of a Gluten-free Diet for the Treatment of Fibromyalgia

NCT ID: NCT01881360

Last Updated: 2014-12-03

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

COMPLETED

Clinical Phase

NA

Total Enrollment

81 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-01-31

Study Completion Date

2014-10-31

Brief Summary

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Fibromyalgia patients frequently suffer from symptoms similar to those of adult celiac disease, raising the possibility that some fibromyalgia patients experience oligosymptomatic celiac disease or non-celiac gluten intolerance. The objective of this study is to compare the effect of a gluten-free diet with a hypocaloric diet in patients with fibromyalgia and celiac-type symptoms.

Detailed Description

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Fibromyalgia, a chronic pain disorder, is characterized by generalized chronic musculoskeletal pain that is usually accompanied by several other clinical manifestations that contribute to a diminished quality of life, such as sleep disturbances, chronic fatigue, mood disorders, and cognitive difficulties. Many patients with fibromyalgia suffer from gastrointestinal and extra-intestinal symptoms that are similar to those experienced by adult celiac disease patients such as abdominal pain, dyspepsia, nausea, diarrhea, constipation, fatigue, pain and mood changes. This raises the possibility that some patients with fibromyalgia may also suffer from oligosymptomatic celiac disease or non-celiac gluten intolerance. On the other hand, the emerging evidence linking obesity with fibromyalgia and the high prevalence of overweight among fibromyalgia patients suggest a potential benefit for weight loss among these patients. Thus, the main objective of this study is to compare the efficacy of a gluten-free diet (GFD) with a hypocaloric diet (HCD) in patients with fibromyalgia that also experience celiac-type symptoms.

Conditions

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Fibromyalgia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Gluten-free diet

Group Type EXPERIMENTAL

Gluten-free diet

Intervention Type OTHER

A diet that is free of the gluten component

Hypocaloric diet

Group Type ACTIVE_COMPARATOR

Hypocaloric diet

Intervention Type OTHER

A standard hypocaloric diet with a daily 1500 caloric intake.

Interventions

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Gluten-free diet

A diet that is free of the gluten component

Intervention Type OTHER

Hypocaloric diet

A standard hypocaloric diet with a daily 1500 caloric intake.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Adult patients diagnosed with fibromyalgia according to the 1990 American College of Rheumatology diagnostic criteria.
* Patients who successfully complete the screening process for sufficient celiac-type symptoms
* Negative transglutaminase antibodies serological testing.
* Signed informed consent to participate

Exclusion Criteria

* Patients suffering from any disease that could prevent them from following any of the suggested diet protocols
* Current or previous history of substance abuse
* Pregnancy and lactation
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Universidad de Granada

OTHER

Sponsor Role lead

Responsible Party

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Elena Pita Calandre

Responsible of the CTS-502 Investigation Team

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Elena P. Calandre, M.D.

Role: PRINCIPAL_INVESTIGATOR

Universidad de Granada

Locations

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Instituto de Neurociencias "Federico Oloriz"

Granada, Granada, Spain

Site Status

Countries

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Spain

Other Identifiers

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FMS-GFD-013

Identifier Type: -

Identifier Source: org_study_id