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Dose-Response Effects of Inspiratory Muscle Strength Training on Blood Pressure and Vascular Function

Who can join

As published by the study on ClinicalTrials.gov. "Not stated" means the study hasn't said — ask the study team.

Age
18 Years and older
Sex
All sexes
Healthy volunteers
Not accepted
Compensation
Not stated

Other requirements are listed under Eligibility below. Only the study team can confirm whether you can join.

What to expect

No one can promise a trial will help you personally — that is what the research is trying to find out.

What participation involves

Not stated in the study description — ask the study team about visits and procedures.

Compensation
Not stated
  • Study-related exams and procedures are typically provided at no cost. This is how many trials work in general — confirm the details for this study with the study team.
  • Participants are monitored closely by the research team throughout the study.
  • Some participants may receive access to an investigational treatment, which is still being studied.
  • Your participation helps researchers learn whether this approach could help future patients.

About this study

This study will assess the dose-response effects of Inspiratory Muscle Strength Training (IMST) in adults with above-normal systolic blood pressure over a 6-week period.

Compensation is read from the study's own description and may be missing — always confirm with the study team.

Eligibility

Official eligibility criteria

Inclusion Criteria: * Age ≥18 years * Resting SBP ≥120 mmHg as measured during screening 1 \& 2 * Free from serious CV or metabolic diseases as identified by self-report and blood chemistry analysis. * No contraindications to IMST (recent abdominal surgery, ruptured eardrum, asthma with very low symptom perception, fractured ribs, or pneumothorax) * Language: English-speaking, with ability to comprehend study materials and instructions. * Pre-visit Compliance: Willing to comply with pre-visit instructions (avoiding food and caffeine ≥ 3 hours, vigorous exercise, alcohol, and non-prescribed medications ≥ 24 hours) prior to each measurement visit. * Lifestyle: Non-smokers (defined as self-report of not smoking cigarettes or vaping over the past year). Exclusion Criteria: * Self-report of history of cardiovascular disease, or conditions affecting the ear (e.g., ruptured eardrum). * Recent abdominal surgery or presence of an abdominal hernia. * Asthma with very low symptom perception, frequent severe exacerbations, or abnormally low perception of dyspnea. * Ruptured eardrum or any other condition of the ear. * Markedly elevated left ventricular end-diastolic volume and pressure. * Current respiratory conditions such as a cold, sinusitis, or respiratory tract infection (participants may be included once they recover from the respiratory condition). * Female-Specific: Pregnant or planning to become pregnant during the study period. * Compliance: Unable or unwilling to comply with pre-visit restrictions (e.g., avoiding caffeine, alcohol, and exercise within specified hours before visits).

Study sites (1)

MN