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A Placebo-Controlled, Pseudo-Randomized, Crossover Trial of Botanical Agents for Gulf War Illness: Curcumin ( Curcuma longa), Boswellia ( Boswellia serrata ), and French Maritime Pine Bark ( Pinus pinaster )

Author

Listed:
  • Emily K. Donovan

    (Department of Psychology, Virginia Commonwealth University, White House, 806 West Franklin Street, Richmond, VA 23284, USA)

  • Sophia Kekes-Szabo

    (Department of Psychology, Vanderbilt University, PMB 407817, 2301 Vanderbilt Place, Nashville, TN 37240, USA)

  • Joanne C. Lin

    (School of Pharmacy, University of Auckland, 85 Park Road, Grafton, Auckland 1023, New Zealand)

  • Rebecca L. Massey

    (UAB School of Medicine, University of Alabama at Birmingham, 1670 University Blvd, Birmingham, AL 35223, USA)

  • James D. Cobb

    (Department of Psychology, University of Alabama at Birmingham, CH 233, 1300 University Blvd, Birmingham, AL 35233, USA)

  • Kathleen S. Hodgin

    (Department of Psychology, University of Alabama at Birmingham, CH 233, 1300 University Blvd, Birmingham, AL 35233, USA)

  • Timothy J. Ness

    (Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, BMR2-208, 901 19th St. S, Birmingham, AL 35205, USA)

  • Carl Hangee-Bauer

    (San Francisco Natural Medicine, 1615 20th Street, San Francisco, CA 94107, USA)

  • Jarred W. Younger

    (Department of Psychology, University of Alabama at Birmingham, CH 233, 1300 University Blvd, Birmingham, AL 35233, USA)

Abstract

This report is part of a larger study designed to rapidly and efficiently screen potential treatments for Gulf War Illness (GWI) by testing nine different botanicals. In this placebo-controlled, pseudo-randomized, crossover clinical trial of 20 men with GWI, we tested three botanical agents with putative peripheral and central anti-inflammatory actions: curcumin ( Curcuma longa ), boswellia ( Boswellia serrata ), and French maritime pine bark extract ( Pinus pinaster ). Participants completed 30 +/− 3 days of baseline symptom reports, followed by 30 +/− 3 days of placebo, 30 +/− 3 days of lower-dose botanical, and 30 +/− 3 days of higher-dose botanical. Participants then repeated the process with a new botanical until completing up to three botanical cycles. Data were analyzed using linear mixed models. Curcumin reduced GWI symptom severity significantly more than placebo at both the lower ( p < 0.0001) and higher ( p = 0.0003) dosages. Boswellia was not more effective than placebo at reducing GWI symptoms at either the lower ( p = 0.726) or higher ( p = 0.869) dosages. Maritime pine was not more effective than placebo at the lower dosage ( p = 0.954) but was more effective than placebo at the higher dosage ( p = 0.006). This study provides preliminary evidence that curcumin and maritime pine may help alleviate symptoms of GWI. As a screening study, a final determination of the efficacy of these compounds for all individuals with GWI cannot be made, and further studies will need to be conducted to determine strength and durability of effects, as well as optimal dosage. These results suggest that GWI may, at least in part, involve systemic inflammatory processes. This trial was registered on ClinicalTrials.gov (NCT02909686) on 13 September 2016.

Suggested Citation

  • Emily K. Donovan & Sophia Kekes-Szabo & Joanne C. Lin & Rebecca L. Massey & James D. Cobb & Kathleen S. Hodgin & Timothy J. Ness & Carl Hangee-Bauer & Jarred W. Younger, 2021. "A Placebo-Controlled, Pseudo-Randomized, Crossover Trial of Botanical Agents for Gulf War Illness: Curcumin ( Curcuma longa), Boswellia ( Boswellia serrata ), and French Maritime Pine Bark ( Pinus pin," IJERPH, MDPI, vol. 18(5), pages 1-15, March.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:5:p:2468-:d:509294
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    References listed on IDEAS

    as
    1. Anthony R. Mawson & Ashley M. Croft, 2019. "Gulf War Illness: Unifying Hypothesis for a Continuing Health Problem," IJERPH, MDPI, vol. 16(1), pages 1-16, January.
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