Trial results investigating the usability and acceptance of the P-STEP mobile application were posted on ClinicalTrials.gov on 2026-05-01. The study, which included participants with Asthma and other chronic conditions, enrolled 178 individuals and observed an increase in mean System Usability Scale scores from 57.92 at 6 weeks to 61.68 at 12 weeks.
Background
Managing chronic conditions such as Asthma, Chronic Obstructive Pulmonary Disease, Interstitial Lung Disease, Coronary Heart Disease, and Heart Failure often involves complex self-care routines. Mobile applications offer a potential tool to support patients in managing their conditions, track symptoms, and adhere to treatment plans. For such digital health tools to be effective, their usability and acceptance by the target user population are critical. This study aimed to evaluate these factors for the P-STEP mobile application.
Trial design
This completed study enrolled 178 participants to assess the usability and acceptance of the P-STEP mobile application. Participants with specific chronic conditions, including Asthma, Chronic Obstructive Pulmonary Disease, Interstitial Lung Disease, Coronary Heart Disease, and Heart Failure, piloted the app for 12 weeks. The trial's objective was to evaluate how users interacted with and perceived the application over this period.
Key results
The study measured the System Usability Scale (SUS) at two time points:
- At 6-weeks, the mean System Usability Scale score was 57.92 (Standard Deviation 20.12) on a scale.
- At 12-weeks, the mean System Usability Scale score was 61.68 (Standard Deviation 22.09) on a scale.
What this means
The observed increase in the mean System Usability Scale scores from 57.92 at 6 weeks to 61.68 at 12 weeks suggests an improvement in the perceived usability and acceptance of the P-STEP mobile application over time. For patients managing chronic conditions like asthma, a mobile application that is easy to use and well-accepted can potentially enhance engagement with self-management strategies and improve adherence to care plans. Continued evaluation and refinement based on user feedback are often crucial for the long-term success of digital health interventions.
Source
The information regarding these trial results was obtained from ClinicalTrials.gov, a public database of clinical studies. The results for study NCT05830318, titled "Usability and Acceptability Study of the P-STEP Mobile Application", were posted on 2026-05-01 on clinicaltrials.gov.