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Influence of Menstrual Cycle Phase on Adaptations to Sprint Interval Training

NCT06744517 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 24

Last updated 2026-04-29

No results posted yet for this study

Summary

Sprint interval training improves endurance performance and induces metabolic adaptations in muscle. Most research demonstrating these responses has been conducted in males, with limited studies evaluating changes to endurance performance and skeletal muscle oxidative capacity in females. Moreover, it is currently unknown if training in specific phases of the menstrual cycle influences adaptations to training. Thus, the purpose of the present study is to compare adaptations to 2 weeks of sprint interval training performed in the follicular vs. luteal phase of the menstrual cycle in healthy, eumenorrheic women.

Conditions

  • Healthy

Interventions

OTHER

Sprint Interval Training

6 sessions of sprint interval training over 2 weeks. Each session involves 4-6 x 30 second Wingate sprints with 4 minutes of recovery in between on a stationary bike

Sponsors & Collaborators

  • University of Toronto

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
35 Years
Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-01-01
Primary Completion
2026-07-31
Completion
2026-07-31

Countries

  • Canada

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06744517 on ClinicalTrials.gov