Geneva, Sept. 25 -- International Clinical Trials Registry received information related to the study (ChiCTR2600132473) titled 'Bidirectional Temporal Predictive Relationship Between Symptom Burden and Self-Efficacy for Symptom Management During the Vulnerable Period in Middle-aged and Older Patients with Chronic Heart Failure: A Mixed-Methods Study' on Sept. 15.

Study Type: Observational study

Study Design: Sequential

Primary Sponsor: The Affiliated Hospital of Southwest Medical University

Condition: Chronic Heart Failure

Intervention: Observation group:None

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-09-15

Target Sample Size: Observation group:480;Interview group:20;

Countries of Recruit...