One Week of Magnesium Supplementation Lowers IL-6, Perceived Pain and Increases Post Exercise Blood Glucose in Response to Downhill Running

NCT ID: NCT04216836

Last Updated: 2020-01-03

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

9 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-06-28

Study Completion Date

2019-03-01

Brief Summary

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This study investigated the effect of magnesium supplementation on exercise performance and functional recovery in recreational endurance athletes in conjunction with measures of blood glucose, lactate, IL-6 and sIL-6R.

Detailed Description

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Magnesium status can directly affect circulating glucose concentrations both during and post exercise. In addition, magnesium supplementation has been shown to reduce circulating IL-6 concentrations post exercise in humans. It is conceivable that such observations are linked through the role of IL-6 in glucose regulation, possibly in combination with sIL-6R. Together, magnesium intake may have the potential to effect exercise performance and recovery through glucose availability. This in turn may be connected to the production of IL-6 and sIL-6R which have been established to influence exercise fatigue and perception of pain (muscle soreness).

Conditions

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Magnesium Deficiency

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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High magnesium diet (SUP condition)

Participants followed a low magnesium diet \<260mg/day and consumed 500 mg/day of magnesium oxide. This was separated into 3 capsules, which were consumed at 6 hr intervals each day (8am, 2pm and 8pm). The supplementation period was 1 week.

Group Type EXPERIMENTAL

Magnesium oxide

Intervention Type DIETARY_SUPPLEMENT

Magnesium capsule

Low magnesium diet (CON condition)

Participants followed a low magnesium diet \<260mg/day and consumed 500 mg/day of placebo (cornflour). This was separated into 3 capsules, which were consumed at 6 hr intervals each day (8am, 2pm and 8pm). The supplementation period was 1 week.

Group Type EXPERIMENTAL

Placebo

Intervention Type DIETARY_SUPPLEMENT

Cornflour capsule manufactured to mimic the 166.6 mg magnesium capsule.

Interventions

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Magnesium oxide

Magnesium capsule

Intervention Type DIETARY_SUPPLEMENT

Placebo

Cornflour capsule manufactured to mimic the 166.6 mg magnesium capsule.

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* Regular recreational runner, running around 3 times per week
* Capable of running 10 km in \~ 40 minutes.

Exclusion Criteria

* Any signs or symptoms of cardiovascular issues.
* Any recent form of injury or illness.
* Currently, or in the last 3 months, have consumed multivitamin supplements
* Currently, or in the last 3 months, have consumed anti-inflammatory medications.
Minimum Eligible Age

20 Years

Maximum Eligible Age

35 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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Beijing Sport University

OTHER

Sponsor Role collaborator

Coventry University

OTHER

Sponsor Role collaborator

University of Worcester

OTHER

Sponsor Role lead

Responsible Party

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Charles Steward

Lecturer

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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University of Worcester

Worcester, Worcestershire, United Kingdom

Site Status

Countries

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United Kingdom

References

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Chen HY, Cheng FC, Pan HC, Hsu JC, Wang MF. Magnesium enhances exercise performance via increasing glucose availability in the blood, muscle, and brain during exercise. PLoS One. 2014 Jan 20;9(1):e85486. doi: 10.1371/journal.pone.0085486. eCollection 2014.

Reference Type BACKGROUND
PMID: 24465574 (View on PubMed)

Chen YJ, Chen HY, Wang MF, Hsu MH, Liang WM, Cheng FC. Effects of magnesium on exercise performance and plasma glucose and lactate concentrations in rats using a novel blood-sampling technique. Appl Physiol Nutr Metab. 2009 Dec;34(6):1040-7. doi: 10.1139/H09-105.

Reference Type BACKGROUND
PMID: 20029512 (View on PubMed)

Cheng SM, Yang LL, Chen SH, Hsu MH, Chen IJ, Cheng FC. Magnesium sulfate enhances exercise performance and manipulates dynamic changes in peripheral glucose utilization. Eur J Appl Physiol. 2010 Jan;108(2):363-9. doi: 10.1007/s00421-009-1235-y. Epub 2009 Oct 9.

Reference Type BACKGROUND
PMID: 19816708 (View on PubMed)

Dmitrasinovic G, Pesic V, Stanic D, Plecas-Solarovic B, Dajak M, Ignjatovic S. ACTH, Cortisol and IL-6 Levels in Athletes following Magnesium Supplementation. J Med Biochem. 2016 Nov 2;35(4):375-384. doi: 10.1515/jomb-2016-0021. eCollection 2016 Oct.

Reference Type BACKGROUND
PMID: 28670189 (View on PubMed)

Febbraio MA, Steensberg A, Keller C, Starkie RL, Nielsen HB, Krustrup P, Ott P, Secher NH, Pedersen BK. Glucose ingestion attenuates interleukin-6 release from contracting skeletal muscle in humans. J Physiol. 2003 Jun 1;549(Pt 2):607-12. doi: 10.1113/jphysiol.2003.042374. Epub 2003 Apr 17.

Reference Type BACKGROUND
PMID: 12702735 (View on PubMed)

Glund S, Deshmukh A, Long YC, Moller T, Koistinen HA, Caidahl K, Zierath JR, Krook A. Interleukin-6 directly increases glucose metabolism in resting human skeletal muscle. Diabetes. 2007 Jun;56(6):1630-7. doi: 10.2337/db06-1733. Epub 2007 Mar 15.

Reference Type BACKGROUND
PMID: 17363741 (View on PubMed)

Gray SR, Ratkevicius A, Wackerhage H, Coats P, Nimmo MA. The effect of interleukin-6 and the interleukin-6 receptor on glucose transport in mouse skeletal muscle. Exp Physiol. 2009 Aug;94(8):899-905. doi: 10.1113/expphysiol.2009.048173. Epub 2009 May 29.

Reference Type BACKGROUND
PMID: 19482899 (View on PubMed)

Robson-Ansley P, Cockburn E, Walshe I, Stevenson E, Nimmo M. The effect of exercise on plasma soluble IL-6 receptor concentration: a dichotomous response. Exerc Immunol Rev. 2010;16:56-76.

Reference Type BACKGROUND
PMID: 20839491 (View on PubMed)

Heffernan SM, Horner K, De Vito G, Conway GE. The Role of Mineral and Trace Element Supplementation in Exercise and Athletic Performance: A Systematic Review. Nutrients. 2019 Mar 24;11(3):696. doi: 10.3390/nu11030696.

Reference Type BACKGROUND
PMID: 30909645 (View on PubMed)

Other Identifiers

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SH17180029-R

Identifier Type: -

Identifier Source: org_study_id

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