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High-Intensity Interval Training vs Moderate-Intensity Continuous Training in Phase II Cardiac Rehabilitation

1. juni 2026 opdateret af: Riphah International University

Effects of High-Intensity Interval Training vs Moderate-Intensity Continuous Training on Ejection Fraction, Functional Capacity, and Lipid Profiles in Phase II Cardiac Rehabilitation

This randomized controlled trial aims to compare the effects of High-Intensity Interval Training (HIIT) and Moderate-Intensity Continuous Training (MICT) in patients undergoing Phase II cardiac rehabilitation after coronary artery disease or post-angioplasty. A total of 66 participants will be randomly allocated into two groups: HIIT (n=33) and MICT (n=33). The intervention will be conducted 3 times per week using treadmill-based exercise protocols under heart rate monitoring. Primary outcomes include changes in left ventricular ejection fraction, functional capacity measured by 6-minute walk test, and lipid profile parameters before and after intervention. Secondary assessment includes health-related quality of life (HRQoL). The study aims to determine which exercise modality provides superior cardiovascular and functional improvement in stable cardiac patients during supervised rehabilitation.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This randomized controlled trial will compare the effects of High-Intensity Interval Training (HIIT) and Moderate-Intensity Continuous Training (MICT) in patients undergoing Phase II cardiac rehabilitation after stable coronary artery disease or post-angioplasty. A total of 66 participants will be randomly assigned into two groups.

The HIIT group will perform treadmill-based interval exercise 3 times per week at 85-95% heart rate reserve with active recovery periods, while the MICT group will perform continuous treadmill exercise at 65-75% heart rate reserve for 30-45 minutes.

Primary outcomes include left ventricular ejection fraction (echocardiography), functional capacity (6-minute walk test), and lipid profile (LDL, HDL, triglycerides, total cholesterol) measured before and after intervention. Health-related quality of life (HRQoL) will also be assessed. The study aims to determine which exercise protocol produces greater improvement in cardiac and functional outcomes.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

66

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

  • Pakistan
    • Punjab Province
      • Multan, Punjab Province, Pakistan, 60000
        • Ch Pervaiz Elahi institute of cardiology Multan.
        • Kontakt:
        • Ledende efterforsker:
          • ALISHBA JAVED, MS-CPPT

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Adults aged 18-60 years.
  • Diagnosed with stable coronary artery disease confirmed by angiography, stress testing, or echocardiography.
  • Left ventricular ejection fraction ≥45%.
  • Functional NYHA Class I or II.
  • Medically cleared by a cardiologist to participate in exercise (including recent ECG or stress test if necessary).
  • Lightly active lifestyle prior to study (not involved in structured exercise programs).

Exclusion Criteria:

  • Unstable angina or recent myocardial infarction (within the past 6 weeks).
  • Uncontrolled hypertension (systolic BP >180 mmHg or diastolic BP >110 mmHg).
  • Severe valvular heart disease, arrhythmias, or left ventricular dysfunction (EF <35%).
  • Musculoskeletal disorders (e.g., severe osteoarthritis, recent fractures, or surgeries) preventing safe participation in exercise.
  • Neurological disorders affecting mobility or safe exercise (e.g., stroke, Parkinson's disease).
  • Uncontrolled diabetes mellitus (HbA1c >9% or recent hypoglycemia).
  • Any other condition judged by the investigator to make participation unsafe.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: High-Intensity Interval Training (HIIT)
Participants will perform supervised treadmill-based high-intensity interval training 3 sessions per week, including 10-minute warm-up, 4 intervals of 4 minutes at 85-95% heart rate reserve, 4-minute active recovery at 50-60% heart rate reserve, followed by 5-minute cool-down.
Adfærdsmæssigt: High-Intensity Interval Training
Participants will perform supervised treadmill-based high-intensity interval training 3 times per week. Each session includes 10 minutes warm-up, 4 intervals of 4 minutes at 85-95% heart rate reserve, 4 minutes active recovery at 50-60% heart rate reserve, followed by 5 minutes cool-down.
Andre navne:
  • HIIT
Aktiv komparator: Moderate-Intensity Continuous Training (MICT)
Participants will perform supervised treadmill-based continuous exercise 3 sessions per week at 65-75% heart rate reserve for 30-45 minutes, with warm-up and cool-down periods.
Adfærdsmæssigt: Moderate-Intensity Continuous Training
Participants will perform supervised treadmill-based continuous exercise 3 times per week at 65-75% heart rate reserve for 30-45 minutes, including warm-up and cool-down periods.
Andre navne:
  • MICT

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Left Ventricular Ejection Fraction
Tidsramme: Baseline and at 12 weeks after intervention
Assessment of left ventricular ejection fraction using echocardiography to determine changes in cardiac function after intervention.
Baseline and at 12 weeks after intervention
Functional Capacity
Tidsramme: Baseline and at 12 weeks after intervention
Functional capacity will be measured by 6-minute walk test to evaluate distance covered during exercise tolerance assessment
Baseline and at 12 weeks after intervention

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Lipid Profile
Tidsramme: Baseline and at 12 weeks after intervention
Laboratory measurement of total cholesterol, LDL, HDL, and triglycerides to assess metabolic changes after exercise intervention.
Baseline and at 12 weeks after intervention

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Riphah International University

Efterforskere

  • Ledende efterforsker: Arjumand Bano, MSPT, Riphah International University

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. juni 2026

Primær færdiggørelse (Anslået)

1. august 2026

Studieafslutning (Anslået)

1. august 2026

Datoer for studieregistrering

Først indsendt

2. april 2026

Først indsendt, der opfyldte QC-kriterier

1. juni 2026

Først opslået (Faktiske)

2. juni 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

2. juni 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

1. juni 2026

Sidst verificeret

1. juni 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • REC/RCR & AHS/25/0320

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

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Ingen

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Kliniske forsøg med Koronararteriesygdom

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Sponsorer og samarbejdspartnere

Medicinske tilstande

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CROs by country

CROs in Albania

Betingelser

Sjældne sygdomme

Narkotikainterventioner

Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

Abonner