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Physician-Supervised GPT Assistance for Communicating Cardiopulmonary Exercise Test Results
Sponsor: Shanghai Zhongshan Hospital
Summary
Cardiopulmonary exercise testing requires clinicians to integrate multiple physiological measurements and explain their meaning, limitations, safety implications, and appropriate next steps. This randomized two-period crossover study will evaluate whether physician-supervised GPT-assisted drafting preserves the clinical acceptability of final patient-facing responses while reducing task completion time compared with physician-only drafting. Licensed physicians or institutionally recognized clinical trainees will respond in Chinese to 20 synthetic cardiopulmonary exercise testing scenarios. Each participant will complete 10 scenarios in each condition using two non-overlapping case sets. In the GPT-assisted condition, a frozen model-generated draft will be displayed and may be edited, deleted, or completely rewritten by the physician. The primary hypothesis is that GPT-assisted drafting is noninferior to physician-only drafting for clinical acceptability, using a noninferiority margin of 5 percentage points. Completion time will be evaluated for superiority only if noninferiority is established.
Official title: A Randomized Crossover Study of Physician-Supervised GPT-Assisted Drafting for Communication of Cardiopulmonary Exercise Test Results
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
80
Start Date
2026-09-23
Completion Date
2026-11-16
Last Updated
2026-09-21
Healthy Volunteers
Yes
Interventions
Physician-Supervised GPT-Assisted Drafting
A frozen GPT-generated draft will be displayed for each synthetic case. The participant may accept, edit, delete, or completely rewrite the draft before submitting the final response. The participant remains responsible for the final response. Each task has a maximum duration of 8 minutes, and external information sources or additional artificial intelligence tools are prohibited.
Physician-Only Drafting
The participant will receive a blank response field and will independently prepare the final response. Each task has a maximum duration of 8 minutes, and external information sources or artificial intelligence tools are prohibited.
Locations (1)
Zhongshan Hospital, Fudan University
Shanghai, Shanghai Municipality, China