Moderate Intensity vs High Intensity Interval Training in Women With Heart Failure

June 17, 2026 updated by: Riphah International University

Effects of Moderate Intensity Exercise vs High Intensity Interval Training on Functional Capacity and Quality of Life in Women With Heart Failure

  • To determine the effects of moderate intensity exercise vs high intensity interval training on functional capacity in women with heart failure
  • To determine the effects of moderate intensity exercise vs high intensity interval training on quality of life in women with heart failure

Study Overview

Status

Not yet recruiting

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Estimated)

64

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

  • Pakistan
    • Fedral
      • Islamabad, Fedral, Pakistan, 44000
        • Riphah International University
        • Contact:
        • Principal Investigator:
          • Dua Yasin, MSPT*

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Women aged 40-70 years, diagnosed with Stable Heart Failure (NYHA class II or III).
  • Clinically stable patients referred for exercise-based cardiac rehabilitation by the physician.
  • Able to perform exercise testing (able to walk 150 meters on the six-minute walk test) before starting the program.
  • Women willing to participate and provide informed consent.

Exclusion Criteria:

  • Unstable Heart failure or myocardial infarction (< 4 weeks).
  • Severe arrhythmias, uncontrolled hypertension, or ongoing chest pain during exercise.
  • Orthopedic, neurological, or cognitive limitations preventing safe exercise participation.
  • Any medical contraindication to exercise testing.
  • Refusal or inability to provide informed consent or comply with the rehabilitation program.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: High-intensity interval training
Other: High-intensity interval training
Group B will perform a high-intensity interval training (HIIT) program designed according to established cardiac rehabilitation protocols. Bicycle ergometer will be used, in which each session will begin with a 10-minute warm-up (lower limb large muscle stretches), followed by intervals performed at 80% of heart rate reserve (HRR) for 3 min, alternating with recovery periods at low intensity 40% of HRR for 3 min. The total exercise duration will be approximately 30 minutes per session, conducted three times weekly for 12 weeks under supervision. Participants will be encouraged to maintain self-directed exercise after the intervention period
Active Comparator: moderate-intensity aerobic training
Other: moderate-intensity aerobic training
Group A will undergo a moderate-intensity aerobic training program as part of a structured cardiac rehabilitation protocol. The program will be supervised sessions, conducted three times per week for 12 weeks. Each session will include approximately 30 minutes of aerobic exercise performed on a bicycle ergometer at an intensity of 60% of heart rate reserve (HRR)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Six-minute walk test
Time Frame: Baseline and 12 Week
The Six-Minute Walk Test (6MWT) is a simple, submaximal test that evaluates functional capacity and exercise capacity in patients with chronic heart failure by measuring the distance walked and estimating peak VO2. It will be performed in a 30-meter corridor, where participants will walk as far as possible in six minutes, with heart rate and oxygen saturation monitored before and after the test. This study tested the validity and reliability of the six-minute walk test (6MWT) in cardiac rehabilitation patients, including those with heart failure.
Baseline and 12 Week
EuroQol 5-Dimension Questionnaire
Time Frame: Baseline and 12 week
EuroQol 5-Dimension Questionnaire (EQ-5D): The EuroQol-5 Dimension (EQ-5D) is a questionnaire used to measure quality of life (QoL). It evaluates five key areas: mobility, self-care, usual activities, pain/discomfort, and anxiety/depression. Each area has one question, and responses together describe a person's overall health status. For the 5L, scores range from 5 to 25. A lower score indicates better health, while a higher score indicates greater health problems. Patients rate their overall health TODAY on a vertical scale from 0 (worst imaginable health) to 100 (best imaginable health)
Baseline and 12 week

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Riphah International University

Investigators

  • Principal Investigator: Muhammad iqbal Tariq, PhD*, Riphah International University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

July 1, 2026

Primary Completion (Estimated)

December 1, 2026

Study Completion (Estimated)

December 1, 2026

Study Registration Dates

First Submitted

June 17, 2026

First Submitted That Met QC Criteria

June 17, 2026

First Posted (Actual)

June 23, 2026

Study Record Updates

Last Update Posted (Actual)

June 23, 2026

Last Update Submitted That Met QC Criteria

June 17, 2026

Last Verified

June 1, 2026

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • Dua Yasin

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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