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Nutrition for Chronic Daily Headache

2014-08-27 03:12:24 | BioPortfolio

Summary

The purpose of this study is: 1) To assess the feasibility of implementing a clinical trial comparing two potentially analgesic dietary interventions (a low omega-6 plus high omega-3 diet and a low omega-6 alone diet) in patients with chronic daily headache (CDH) and 2)To assess the preliminary efficacy of the dietary interventions on headache frequency and severity and 3) to assess the impact of the diet on the percentage of omega-6 highly unsaturated fatty acids (HUFA) in total HUFA in whole blood.

During a 6-week baseline phase, eligible individuals with CDH will complete web-based daily diaries, self-report questionnaires, and nutrient intake assessments. Before randomization to one of the two intervention groups, blood will be collected to measure baseline nutritional biomarkers. Targeted dietary advice will be administered and foods will be provided throughout the 12-week intervention phase. Samples for biomarkers will be collected every 4 weeks during the intervention. Participants will continue recording headache characteristics with a daily headache diary. At the conclusion of the intervention, participants will provide complete follow-up assessments and blood for nutritional biomarker measurement.

Description

CDH is characterized by structural and functional immune and nervous system derangements. Specifically, disturbed regulation of the following critically important biochemical processes has been demonstrated: 1) inflammation; 2) neuronal membrane excitability; and 3) monoamine neurotransmitter signaling. Accordingly, major classes of medications used for chronic pain (anti-inflammatories, anticonvulsants, and antidepressants) target these processes.

Foods consist of combinations of nutrient molecules that are incorporated into human tissues, and enter into and regulate highly leveraged human biochemical pathways. By altering the structure and function of the nervous system and immune system, and regulating biochemical processes believed to play causal roles in the development and maintenance of chronic pain, dietary choices may play a critical role in the initiation and/or perpetuation of CDH.

Multifaceted, targeted dietary manipulation, directed towards correcting underlying biochemical derangements, represents a novel therapeutic approach to the management of chronic pain. Improved understanding of the relationships between dietary selections and chronic pain promises to benefit the estimated 10 million Americans with CDH and possibly an even larger population with chronic pain from any origin. For a more detailed description, please refer to the complete rationale and literature review accompanying grant application.

Major research questions for this proposal include:

A. Is it possible to implement a controlled dietary trial comparing two analgesic dietary interventions for subject with CDH? and B. What are the preliminary estimates of impact of targeted analgesic dietary interventions on headache frequency compared with one another and the baseline headache frequency in patients for CDH? C. What is the rate and extent of change in %n6 in HUFA with two targeted interventions? There is also an exploratory portion of the study to gather more information about the potential relationship between nutrient and pain to inform intended future trials. The study is needed to assess the potential utility of a dietary approach for chronic pain, which may have major public health implications.

Study Design

Allocation: Randomized, Control: Active Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention

Conditions

Chronic Daily Headache

Intervention

Low omega-6 plus high omega-3 diet, Low omega-6 diet

Location

University of North Carolina at Chapel Hill
Chapel Hill
North Carolina
United States
27599-7200

Status

Recruiting

Source

University of North Carolina, Chapel Hill

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:12:24-0400

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Medical and Biotech [MESH] Definitions

FATTY ACIDS which have the first unsaturated bond in the sixth position from the omega carbon. A typical American diet tends to contain substantially more omega-6 than OMEGA-3 FATTY ACIDS.

A neurotoxic peptide, which is a cleavage product (VIa) of the omega-Conotoxin precursor protein contained in venom from the marine snail, CONUS geographus. It is an antagonist of CALCIUM CHANNELS, N-TYPE.

A group of fatty acids, often of marine origin, which have the first unsaturated bond in the third position from the omega carbon. These fatty acids are believed to reduce serum triglycerides, prevent insulin resistance, improve lipid profile, prolong bleeding times, reduce platelet counts, and decrease platelet adhesiveness.

Peptide neurotoxins from the marine fish-hunting snails of the genus CONUS. They contain 13 to 29 amino acids which are strongly basic and are highly cross-linked by disulfide bonds. There are three types of conotoxins, omega-, alpha-, and mu-. OMEGA-CONOTOXINS inhibit voltage-activated entry of calcium into the presynaptic membrane and therefore the release of ACETYLCHOLINE. Alpha-conotoxins inhibit the postsynaptic acetylcholine receptor. Mu-conotoxins prevent the generation of muscle action potentials. (From Concise Encyclopedia Biochemistry and Molecular Biology, 3rd ed)

A diet that contains limited amounts of CARBOHYDRATES. This is in distinction to a regular DIET.

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