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Pulmonary HypertensionNCT07193173

Is the Two-minute Step Test an Alternative to the Six-minute Walk Test in Pulmonary Hypertension?

An observational study of Pulmonary Hypertension, run by Saglik Bilimleri Universitesi at 1 site in Turkey (Türkiye).

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

The aim of this observational study is to evaluate the validity of the 2-minute step test in assessing functional capacity in pulmonary hypertension. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Pulmonary Hypertension
What is being tested?
2 minute step test
How many people
35 participants
Where
1 siteTurkey (Türkiye)
Study dates
15 Sep 2025to 25 Jun 2026
How long will I take part?
1 Day
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Patients being diagnosed with pulmonary hypertension (PH)

Who may be able to join

  • Being diagnosed with pulmonary hypertension (PH)
  • Being 18 years of age or older
  • Agreeing to participate in the study

Who cannot join

  • Acute decompensated heart failure
  • Orthopedic or neurological disorders that prevent the test from being performed
  • Patients who have difficulty understanding the instructions given

Trial locations and contacts

1 site in 1 country.

Turkey (Türkiye)1 site
  • Istanbul University - Cerrahpasa

    Istanbul

Other trials in Turkey (Türkiye)

About this study

Official title: Is the Two-minute Step Test an Alternative to the Six-minute Walk Test in Pulmonary Hypertension?: Validation of 2 Minute Step Test

The aim of this observational study is to evaluate the validity of the 2-minute step test in assessing functional capacity in pulmonary hypertension.

Read the detailed description

Pulmonary hypertension (PH) is a progressive cardiopulmonary disorder characterized by elevated pulmonary artery pressure, which can lead to right ventricular dysfunction and ultimately heart failure. Right heart catheterization is used to diagnose the disease, and individuals are diagnosed with PH when the mean pulmonary artery pressure is 20 mmHg or higher. Exercise intolerance is one of the key features of PH. The 6-minute walk test (6MWT) is the most commonly used test method in PH centers for assessing functional exercise capacity and plays a key role in the evaluation and management of PH. However, it has significant limitations in this context. Although the 6MWT is currently recommended for assessing functional exercise capacity independently of the environment, it is not feasible in most clinics, homes, and medical offices due to the requirement for a 30-meter-long corridor. The long-standing need for a practical and effective exercise assessment tool that is independent of physical space highlights the need for new methods to assess functional capacity. The 2-minute walk test was developed by Rikli and Jones in 1999.

The test requires individuals to stand and step in place as quickly as possible for 2 minutes while raising their knees to a height between the patella and iliac crest. Performance in the test is defined as the number of steps taken on the right side within 2 minutes, reaching the criterion height. The validity and reliability of the 2-minute step test have previously been investigated in patients with back pain, cardiopulmonary rehabilitation patients, and hypertensive geriatric patients.

The aim of this study is to evaluate the validity of the 2-minute step test in assessing functional capacity in PH.

Being tested
2 minute step test
Keywords
Pulmonary Hypertension, 2 minute step test, 6 minute walk test, validation
Medical subject headings
Hypertension, Pulmonary

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • 2 minute step testOther

    The 2-Minute Step Test (2MST) is a simple, validated field test used to assess aerobic endurance and functional fitness, especially in older adults or people with chronic conditions (e.g., cardiopulmonary disease, neurological disorders).

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. 2 Minute Step Test

    The 2-minute step test (2MST) is a test used to assess functional capacity. The maximum number of knee lifts the individual can perform within 2 minutes will be counted, with the minimum height occurring at the midpoint between the patella and the anterior superior iliac spine (during steady walking, without changing position). The test will be performed with a mobile ergospirometer (K5, Cosmed, Italy). Oxygen consumption, task-based heart rate, and ventilation obtained during the 2MST will be recorded. In addition, the Borg dyspnea and fatigue scale will also be included in the assessment.

    Measured: 2 minutes

Secondary outcomes (2)
  1. Functional capacity

    The 6-minute walk test will be performed.

    Measured: 6 minutes

  2. mMRC Dyspnea Scale

    This scale is a five-item scale (0: no dyspnea, 4 severe dyspnea) based on various physical activities that cause the feeling of dyspnea. Here, patients are asked to mark the level of activity that causes dyspnea.

    Measured: 5 minutes

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted25 Sep 2025
  2. Study start15 Sep 2025
  3. Primary completion15 Jun 2026 (estimated)
  4. Study completion25 Jun 2026 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case only
Time perspective
Cross-sectional
Enrolment
35 participants (estimated)
Target duration
1 Day
IDs, dates and publications
ClinicalTrials.gov ID
NCT07193173
Sponsor's protocol ID
2460
Status last verified
May 2026
First submitted
17 Sep 2025
Last updated
7 May 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No: The sharing of this information is restricted by the ethics committee and informed consent form.

Questions about this trial

What is this clinical trial studying?

An observational study of Pulmonary Hypertension, run by Saglik Bilimleri Universitesi at 1 site in Turkey (Türkiye).

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 7 May 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Turkey (Türkiye). Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

2 Minute Step Test (time frame: 2 minutes). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 7 May 2026.

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