Cycle ergometer exercise catheterization for the early diagnosis of heart failure with preserved ejection fraction or pulmonary hypertension

Status

Recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs032200121

Enrollment

110

Registered

2020-09-16

Start date

2020-09-16

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Heart failure with preserved ejection fraction or pulmonary hypertension

Interventions

Cycle ergometer exercise during right heart catheterization

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Age equal to or more than 20 years old 2) Left ventricular ejection fraction on echocardiography equal or more than 50% 3) Subjects who are suspected of heart failure of pulmonary hypertension 4) Subjects who will undergo diagnostic right heart catheterization for evaluation of heart failure or pulmonary hypertension 5) Subjects who are able to keep cycle ergometry exercise for more than 30 seconds 6) Patients who give written consent to participate in this study

Exclusion criteria

Exclusion criteria: 1) Patients with apparent heart failure or pulmonary hypertension on non-invasive testings 2) Patients with complications contraindicated for exercise testing 3) Patients who cannot exercise their legs due to abnormalities in joints, muscles, etc. 4) Patients who are judged to be unsuitable for the study by the investigators

Design outcomes

Primary

Measure	Time frame
Pulmonary capillary wedge pressure/pulmonary pressure during exercise	—

Contacts

Public ContactObokata Masaru

Gunma University Hospital

obokata.masaru@gunma-u.ac.jp+81-27-220-8145

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026