Clinical trial Recruiting at 20 sites Interventional Ages 18 and up

Thrombus aspiration for heart attack patients with high thrombus burden

Official title: Thrombus Aspiration in Primary Percutaneous Coronary Intervention for STEMI Patients With High Thrombus Burden

Run by Guangdong Provincial People's Hospital · NCT04212494 · Data updated 2026-11-12

This study tests if using a special technique to remove blood clots can help heart attack patients with a lot of clots feel better and avoid serious problems after treatment.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment3838 (estimated)
SponsorGuangdong Provincial People's Hospital
Academic / other
Locations50 sites (Fuzhou, Fujian and 49 other locations)
StatusRecruiting
StartedAugust 30, 2020
Main results expectedDecember 31, 2026
Study endsApril 30, 2027
Registry record updatedSeptember 9, 2026
Trial IDNCT04212494 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults aged 18 and older who are experiencing STEMI and can undergo primary PCI within 12 hours of symptom onset.

Probably not a fit

Patients who are hemodynamically unstable, have undergone thrombolytic therapy, or have a predicted survival time of less than 6 months due to non-cardiac disease may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the effectiveness of thrombus aspiration in patients experiencing ST-segment Elevation Myocardial Infarction (STEMI) with a high thrombus burden during primary percutaneous coronary intervention (PCI). It is a multicenter, open-label, randomized controlled trial where participants are assigned to receive either thrombus aspiration or standard PCI treatment. The goal is to determine if thrombus aspiration can reduce the risk of serious cardiovascular events within 180 days and stroke within 30 days after treatment.

Why it matters

Potential benefit: If successful, this approach could significantly lower the risk of severe complications for STEMI patients with high thrombus burden.

How similar studies have gone: Previous studies have shown varying results with thrombus aspiration in similar patient populations, indicating that while the approach has been tested, its efficacy in this specific context remains to be fully established.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Age ≥ 18 years;
2. STEMI patients undergoing primary PCI within 12 hours after the onset of symptoms;
3. High thrombus burden after guidewire passes the lesion (TIMI thrombus grade ≥3);
4. Informed consent must be voluntary;

Exclusion Criteria:

1. Haemodynamic instability or cardiogenic shock;
2. After thrombolytic therapy;
3. The predicted survival time is less than 6 months due to non-cardiac disease;
4. History of coronary artery bypass grafting;
5. Participate in other researches within 30 days;
6. Preoperative gastrointestinal bleeding or contraindications to dual antiplatelet therapy;
7. Patients were considered unsuitable by other researchers.

Where it's running

  • First People's Hospital of Foshan
    Foshan, Guangdong, China
    Recruiting
  • The Second People's Hospital of Nanhai District
    Foshan, Guangdong, China
    Recruiting
  • First People's Hospital of Shunde (Affiliated Hospital at Shunde, Southern Medical University)
    Foshan, Guangdong, China
    Recruiting
  • Guangdong Provincial People's Hospital
    Guangzhou, Guangdong, China
    Recruiting
  • Jiangmen Central Hospital
    Jiangmen, Guangdong, China
    Recruiting
  • Kaiping Central Hospital
    Kaiping, Guangdong, China
    Recruiting
Show 44 more locations
  • The Second Affiliated Hospital of Shantou university Medical College
    Shantou, Guangdong, China
    Recruiting
  • Yue Bei People's Hospital
    Shaoguan, Guangdong, China
    Recruiting
  • Shenzhen People's Hospital
    Shenzhen, Guangdong, China
    Recruiting
  • The Eighth Affiliated Hospital, Sun Yat-Sen University
    Shenzhen, Guangdong, China
    Recruiting
  • Shenzhen Bao'an District People's Hospital
    Shenzhen, Guangdong, China
    Recruiting
  • Taishan people's Hospital
    Taishan, Guangdong, China
    Recruiting
  • Nanxiong people's Hospital
    Xiongzhou, Guangdong, China
    Recruiting
  • People's Hospital of Yangjiang City
    Yangjiang, Guangdong, China
    Recruiting
  • Sihui people's Hospital
    Zhaoqing, Guangdong, China
    Recruiting
  • Zhongshan People's Hospital
    Zhongshan, Guangdong, China
    Recruiting
  • The Third Xiangya Hospital of Central South University
    Changsha, Hunan, China
    Recruiting
  • Shangyou Hospital
    Ganzhou, Jiangxi, China
    Recruiting
  • Affiliated Hospital, Weifang Medical University
    Weifang, Shandong, China
    Recruiting
  • Kashgar first people's Hospital
    Kashgar, Xinjiang, China
    Recruiting
  • Fujian Provincial Hospital
    Fuzhou, Fujian, China
    Not yet recruiting
  • Guangzhou Panyu Central Hospital
    Guangzhou, Guangdong, China
    Not yet recruiting
  • Guangzhou General Hospital of Guangzhou Military Command
    Guangzhou, Guangdong, China
    Not yet recruiting
  • The first Affiliated Hospital, Sun Yat-Sen University
    Guangzhou, Guangdong, China
    Not yet recruiting
  • Guangdong Provincial Hospital of traditional Chinese Medicine
    Guangzhou, Guangdong, China
    Not yet recruiting
  • The First Affiliated Hospital of Guangzhou Medical University
    Guangzhou, Guangdong, China
    Not yet recruiting
  • The Second Affiliated Hospital, Sun Yat-Sen University
    Guangzhou, Guangdong, China
    Not yet recruiting
  • Zhujiang Hospital of Southern Medical University
    Guangzhou, Guangdong, China
    Not yet recruiting
  • Nanfang Hospital
    Guangzhou, Guangdong, China
    Not yet recruiting
  • Huangpu Division of The First Affiliated Hospital, Sun Yat-sen University
    Guangzhou, Guangdong, China
    Not yet recruiting
  • Huadu District People's Hospital of Guangzhou
    Guangzhou, Guangdong, China
    Not yet recruiting
  • Huizhou Third People's Hospital
    Huizhou, Guangdong, China
    Not yet recruiting
  • Maoming People's Hospital
    Maoming, Guangdong, China
    Not yet recruiting
  • Peking University Shenzhen Hospital
    Shenzhen, Guangdong, China
    Not yet recruiting
  • The Second Affiliated Hospital of Guangdong Medical University
    Zhanjiang, Guangdong, China
    Not yet recruiting
  • The Fifth Affiliated Hospital, Sun Yat-Sen University
    Zhuhai, Guangdong, China
    Not yet recruiting
  • Zhuhai people's Hospital
    Zhuhai, Guangdong, China
    Not yet recruiting
  • Guilin people's Hospital
    Guilin, Guangxi, China
    Not yet recruiting
  • The Second Clinical College of Hainan Medical University
    Haikou, Hainan, China
    Not yet recruiting
  • Hainan People's Hospital
    Haikou, Hainan, China
    Not yet recruiting
  • Wuhan Asia Heart Hospital
    Wuhan, Hubei, China
    Not yet recruiting
  • The Second Xiangya Hospital of Central South University
    Changsha, Hunan, China
    Not yet recruiting
  • GanZhou Municopal Hospital
    Ganzhou, Jiangxi, China
    Not yet recruiting
  • The first Affiliated Hospital of Xi'an Jiaotong University
    Xi’an, Shanxi, China
    Not yet recruiting
  • West China Hospital
    Chengdu, Sichuan, China
    Not yet recruiting
  • Sichuan Provincial People's Hospital
    Chengdu, Sichuan, China
    Not yet recruiting
  • The First Affilicated Hospital of Xinjiang Medical University
    Ürümqi, Xinjiang, China
    Not yet recruiting
  • Yan'an Hospital of Kunming City
    Kunming, Yunnan, China
    Not yet recruiting
  • Shaoxing people's Hospital
    Shaoxing, Zhejiang, China
    Not yet recruiting
  • The First Affiliated Hospital of Wenzhou Medical University
    Wenzhou, Zhejiang, China
    Not yet recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.