Sivelestat treatment to protect organs after surgery for type A aortic dissection
Official title: Assessment of the Efficacy of Sivelestat Sodium Treatment in Post-operative Organ Dysfunction in Patients With Acute Type A Aortic Dissection (STOP): a Multicenter, Double-blind RCT
Run by Shanghai Zhongshan Hospital · NCT07156656 · Data updated 2026-11-12
In this multicenter trial, patients after surgery for type A aortic dissection receive sivelestat or a placebo to see if it helps protect organ function.
Quick facts
| Phase | Phase 4 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years to 75 Years |
| Sex | All |
| Enrollment | 236 (estimated) |
| Sponsor | Shanghai Zhongshan Hospital Academic / other |
| Locations | 7 sites (Hefei, Anhui and 6 other locations) |
| Status | Recruiting |
| Started | September 29, 2025 |
| Main results expected | January 30, 2027 |
| Study ends | March 30, 2027 |
| Registry record updated | November 10, 2026 |
| Trial ID | NCT07156656 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults aged 18-75 undergoing surgical repair for acute Stanford type A aortic dissection, able to provide informed consent.
✕Probably not a fit
Patients with very limited life expectancy, severe preoperative liver or renal failure, COPD/asthma, or immunosuppression may not benefit and could be excluded from participation.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This is a multicenter, double-blind, randomized controlled trial in adults undergoing repair for acute Stanford type A aortic dissection. Participants receive either intravenous sivelestat sodium for 72 hours or a placebo, in addition to standard ICU care. The study measures organ function using the SOFA score from day 0 to day 5 and looks at 28-day clinical outcomes. The trial aims to determine whether sivelestat can reduce organ failure and improve recovery compared with placebo. Recruitment involves several hospitals in China and Hong Kong, with strict eligibility criteria to exclude patients with limited life expectancy or significant preoperative organ dysfunction.
Why it matters
Potential benefit: If successful, sivelestat could help preserve organ function and improve recovery after surgery for type A aortic dissection.
How similar studies have gone: Previous studies in similar contexts have explored neutrophil elastase inhibitors for organ protection, with mixed results; this trial tests effectiveness in a rigorous randomized setting.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. Age 18-75 years inclusive. 2. Written informed consent obtained before participation. 3. Confirmed acute Stanford type A aortic dissection scheduled for surgical repair. Exclusion Criteria: 1. Life expectancy ≤ 48 hours. 2. Pregnant or lactation. 3. Severe pre-operative liver dysfunction: Child-Turcotte-Pugh score 10-15. 4. Severe pre-operative renal dysfunction: acute or chronic kidney injury meeting criteria for renal-replacement therapy. 5. Confirmed COPD or asthma. 6. Immunosuppression: long-term or \> 2 weeks continuous systemic corticosteroids. 7. Concomitant or anticipated use of immunomodulators (Xue-Bi-Jing injection, thymosin, IVIG). 8. Medical or psychological condition that would interfere with study participation, assessment, or outcomes.
Where it's running
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Changhai Hospital of Shanghai
Shanghai, Shanghai Municipality, China Recruiting -
The First Affiliated Hospital of Anhui Medical University
Hefei, Anhui, China Completed -
Fujian Provincial Hospital
Fuzhou, Fujian, China Completed -
Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences) (Guangdong Provincial People's Hospital Affiliated to Southern Medical University)
Guangzhou, Guangdong, China Completed -
The University of Hong Kong - Shenzhen Hospital
Shenzhen, Guangdong, China Completed -
The First Affiliated Hospital of Xi'an Jiao Tong University
Xi'an, Shaanxi, China Completed
Show 1 more location
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Zhongshan Hospital, Fudan University
Shanghai, Shanghai Municipality, China Completed
Study contacts
- Study coordinator: Guowei Tu
- Email: tu.guowei@zs-hospital.sh.cn
- Phone: 86 + 13501996995
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.