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Effects of a 10-Week High-Intensity Interval Training Programme on Biochemical and Hormonal Responses in Elite Female Futsal Players

19 augustus 2026 bijgewerkt door: Shimal Hamza Hamad, Soran University

Temporal Dynamics of Biochemical and Hormonal Responses to Interval Training in Elite Female Futsal Players: A 10-Week Longitudinal Analysis Across Menstrual Cycle Phases

This study aims to investigate the biochemical, hormonal, and physiological adaptations to a 10-week periodized high-intensity interval training (HIIT) programme in elite female futsal players. The study will examine changes in aerobic fitness, blood lactate kinetics, muscle damage biomarkers, inflammatory markers, and reproductive hormones throughout the intervention. In addition, the influence of menstrual cycle phases on these physiological responses will be evaluated to improve understanding of sex-specific training adaptations and recovery. The findings are expected to contribute to evidence-based, individualized training and recovery strategies for female futsal athletes.

Studie Overzicht

Gedetailleerde beschrijving

Female futsal is a high-intensity intermittent team sport requiring substantial aerobic and anaerobic fitness. Despite increasing participation of women in competitive sports, limited evidence exists regarding the biochemical and hormonal adaptations to structured interval training, particularly across different menstrual cycle phases. This prospective longitudinal study will recruit 32 elite female futsal players who will participate in a supervised 10-week periodized HIIT programme consisting of lactate threshold training, anaerobic intensification, and sport-specific interval training. Physiological assessments will include VO₂max, lactate threshold, blood lactate kinetics, creatine kinase, interleukin-6, C-reactive protein, cortisol, and reproductive hormones. Menstrual cycle phases will be monitored using validated menstrual tracking methods and hormonal confirmation. Outcomes will be assessed repeatedly throughout the intervention to determine temporal adaptations and the influence of menstrual cycle phase on training responses and recovery. The results are expected to support individualized, evidence-based training prescription for female athletes.

Studietype

Ingrijpend

Inschrijving (Werkelijk)

32

Fase

  • Niet toepasbaar

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studie Locaties

    • Erbil Governorate
      • Soran, Erbil Governorate, Irak, 44008
        • Soran Univeristy

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

  • Volwassen

Accepteert gezonde vrijwilligers

Ja

Beschrijving

Inclusion Criteria:

  • Female futsal players aged 18-30 years.
  • Regular menstrual cycles.
  • Participants willing to complete all scheduled testing sessions across the study period.
  • Participants able to safely participate in the prescribed physical-performance testing and training programme.

Exclusion Criteria:

  • Pregnancy or breastfeeding.
  • Irregular menstrual cycles or diagnosed menstrual disorders.
  • Use of hormonal contraceptives or hormone therapy within the past 6 months.
  • Current musculoskeletal injury or any medical condition affecting physical performance.
  • Use of medications known to influence menstrual function, hormonal responses, or physical performance.
  • Use of performance-enhancing drugs or medications known to influence hormonal or biochemical responses.
  • History of endocrine, cardiovascular, or metabolic disorders.
  • Failure to complete all scheduled testing sessions.

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Ander
  • Toewijzing: NVT
  • Interventioneel model: Opdracht voor een enkele groep
  • Masker: Geen (open label)

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: Female Futsal Players
Female futsal players will undergo repeated standardized performance testing during different phases of the menstrual cycle. Assessments include agility, sprint speed, repeated sprint ability, explosive power, balance, and aerobic fitness. All participants receive the same testing protocol, and no therapeutic intervention is administered.
Female futsal players will undergo standardized physical performance testing during different phases of the menstrual cycle. Assessments include agility, sprint speed, repeated sprint ability, explosive power, balance, and aerobic fitness. The study involves repeated performance assessments only, and no drug, device, surgical procedure, or therapeutic intervention will be administered.
Andere namen:
  • Futsal Performance Testing

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Mean Change from Baseline in Maximum Oxygen Uptake (VO₂max)
Tijdsspanne: Baseline and Week 10
Maximum oxygen uptake (VO₂max) measured during a graded incremental treadmill exercise test with respiratory gas analysis. Unit of Measure: mL·kg-¹·min-¹.
Baseline and Week 10
Mean Change from Baseline in Velocity at VO₂max (vVO₂max)
Tijdsspanne: Baseline and Week 10
Velocity at VO₂max (vVO₂max) measured during a graded incremental treadmill exercise test. Unit of Measure: km/h.
Baseline and Week 10
Mean Change from Baseline in Lactate Threshold Velocity
Tijdsspanne: Baseline and Week 10
Lactate threshold velocity determined during incremental exercise testing. Lactate threshold velocity is defined as the running velocity corresponding to the lactate threshold. Unit of measure: km/h. Higher values indicate improved aerobic endurance.
Baseline and Week 10
Mean Change from Baseline in Resting Blood Lactate Concentration
Tijdsspanne: Baseline and Week 10
Resting blood lactate concentration measured from venous blood samples collected under standardized resting conditions before exercise. Unit of Measure: mmol/L. Lower concentrations indicate improved metabolic efficiency.
Baseline and Week 10
Mean Change from Baseline in Lactate Clearance Rate
Tijdsspanne: Baseline and Week 10
Lactate clearance rate calculated as the rate of decline in blood lactate concentration from serial post-exercise measurements obtained during standardized recovery. The calculated clearance rate is reported as one value in mmol/L/min. Higher clearance rates indicate improved metabolic recovery.
Baseline and Week 10

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Serum Creatine Kinase (CK) Concentration at Predefined Recovery Time Points
Tijdsspanne: Baseline; immediately post-exercise; 24 hours; 48 hours; and 72 hours
Serum creatine kinase concentration measured at baseline and predefined post-exercise recovery time points. Repeated CK concentrations are evaluated across the predefined sampling time points. Unit of Measure: U/L.
Baseline; immediately post-exercise; 24 hours; 48 hours; and 72 hours
Interleukin-6 (IL-6)
Tijdsspanne: Baseline; immediately post-exercise; and recovery period
Serum interleukin-6 concentration measured as an indicator of exercise-induced inflammatory response. Unit of Measure: pg/mL. Lower resting concentrations and appropriate acute exercise responses indicate improved inflammatory regulation.
Baseline; immediately post-exercise; and recovery period
Serum Cortisol
Tijdsspanne: Baseline; menstrual phase-specific assessments; and Week 10
Serum cortisol concentration measured to evaluate physiological stress responses associated with high-intensity interval training. Unit of Measure: µg/dL.
Baseline; menstrual phase-specific assessments; and Week 10
Serum Estradiol
Tijdsspanne: Phase-specific assessments during the intervention
Serum estradiol concentration measured to characterize hormonal status during different phases of the menstrual cycle. Unit of Measure: pg/mL.
Phase-specific assessments during the intervention
Serum Progesterone
Tijdsspanne: Phase-specific assessments during the intervention
Serum progesterone concentration measured to confirm menstrual cycle phase and evaluate hormonal responses during the intervention. Unit of Measure: ng/mL.
Phase-specific assessments during the intervention

Andere uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Creatine Kinase (CK) Recovery Half-Life
Tijdsspanne: Immediately post-exercise through 72 hours
Time required for serum creatine kinase concentration to decrease by 50% during the post-exercise recovery period. Unit of Measure: hours.
Immediately post-exercise through 72 hours
Area Under the Concentration-Time Curve of Serum Creatine Kinase (CK)
Tijdsspanne: Immediately post-exercise through 72 hours
Area under the serum creatine kinase concentration-time curve calculated from serum CK concentrations measured during the post-exercise recovery period. Unit of Measure: U/L·h.
Immediately post-exercise through 72 hours

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Publicaties en nuttige links

De persoon die verantwoordelijk is voor het invoeren van informatie over het onderzoek stelt deze publicaties vrijwillig ter beschikking. Dit kan gaan over alles wat met het onderzoek te maken heeft.

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Werkelijk)

2 februari 2026

Primaire voltooiing (Werkelijk)

1 juli 2026

Studie voltooiing (Werkelijk)

1 juli 2026

Studieregistratiedata

Eerst ingediend

31 juli 2026

Eerst ingediend dat voldeed aan de QC-criteria

14 augustus 2026

Eerst geplaatst (Werkelijk)

19 augustus 2026

Updates van studierecords

Laatste update geplaatst (Werkelijk)

20 augustus 2026

Laatste update ingediend die voldeed aan QC-criteria

19 augustus 2026

Laatst geverifieerd

1 augustus 2026

Meer informatie

Termen gerelateerd aan deze studie

Andere studie-ID-nummers

  • SORANU-HIIT-2026-001
  • Ethics Approval Number (Andere identificatie: Soran University Institutional Review Board)

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

ONBESLIST

Beschrijving IPD-plan

A decision regarding sharing de-identified individual participant data collected in this study has not yet been finalized. If data sharing is approved, only de-identified data may be considered for sharing after study completion, subject to institutional policies, ethical requirements, participant confidentiality, and applicable data-protection requirements.

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .

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