Evaluating a new surgical technique for patients with acute type A aortic dissection

Safety and Efficacy of XJ-Procedure in Patients With Acute Type A Aortic Dissection Surgery (ADVANCED-XJ-Ⅱ): A National, Multi-center, Open-label, Randomized, Controlled, Blinded-end Point Trial

NA · First Affiliated Hospital Xi'an Jiaotong University · NCT06199401

This study is testing a new surgical method for people with acute type A aortic dissection to see if it is safer and more effective than the standard technique.

Quick facts

PhaseNA
Study typeInterventional
Enrollment680 (estimated)
Ages18 Years to 70 Years
SexAll
SponsorFirst Affiliated Hospital Xi'an Jiaotong University (other)
Locations1 site (Xi'an, Shaanxi)
Trial IDNCT06199401 on ClinicalTrials.gov

What this trial studies

This clinical trial is a national, multicenter, open-label, randomized, controlled trial aimed at assessing the safety and efficacy of the XJ-Procedure in patients diagnosed with acute type A aortic dissection (ATAAD) undergoing 'Sun's procedure'. Participants will be randomly assigned to either the XJ-procedure group, where the aortic root anastomosis will be performed using the new technique, or the control group, which will use standard suturing methods. The primary outcome will measure all-cause mortality within 12 months post-surgery, while secondary outcomes will evaluate various complications and adverse events during hospitalization and follow-up periods. The trial is set to enroll patients from November 2024 to November 2027 across multiple centers in China.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18-70 years diagnosed with acute type A aortic dissection who require 'Sun's procedure'.

Not a fit: Patients with severe aortic root involvement, prior cardiac surgeries, or significant organ failure may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved surgical outcomes and reduced complications for patients undergoing surgery for acute type A aortic dissection.

How similar studies have performed: While this approach is novel, similar surgical techniques have shown promise in improving outcomes in cardiovascular surgeries.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age 18-70 years;
* Patients with ATAAD attending the relevant department who have been assessed by a clinician as needing "Sun's procedure".

Exclusion Criteria:

* Severe aortic root involvement (root diameter \>45 mm, root tear, severe destruction of the aortic root, combined valve disease);
* Combined coronary artery disease requiring concomitant coronary revascularization;
* Prior aortic or cardiac surgery;
* Preoperative severe malperfusion syndromes such as: severe cerebral complications (acute cerebral infarction, cerebral hemorrhage, coma, etc.); malperfusion of abdominal organs or lower extremities \>12 h;
* Preoperative combination of severe single or multiple organ failure;
* Pregnant women;
* Refused to sign the informed consent form and refused to participate in this study.

Where this trial is running

Xi'an, Shaanxi

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Type A Aortic Dissection, Complication of Surgical Procedure, Aortic Diseases, Aortic Root Reinforcement, Cardiovascular Surgery, Postoperative Complication

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.