Effect of Different Energy Availability during Endurance Training on the Iron Metabolism

Effect of Different Energy Availability during Endurance Training on the Iron Metabolism -focus on the muscle glycogen- - Effect of Different Energy Availability during Endurance Training on the Iron Metabolism -focus on the muscle glycogen-

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000037815

Enrollment

Registered

2019-08-27

Start date

2017-02-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Iron Deficiency

Interventions

Training under different of energy availability 3-days

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: The inclusion criteria were non-anemic and >20 ng/mL of ferritin level

Exclusion criteria

Exclusion criteria: The exclusion criteria were smoking and use of herbs and medications.

Design outcomes

Primary

Measure	Time frame
Blood sampling and evaluate muscle glycogen using 13C-MRS	—

Countries

Japan

Contacts

Public ContactAya Ishibashi

Japan Institute of Sports Sciences Sports Medical Center

aya.ishibashi@jpnsport.go.jp03-5963-0215

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026