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Not yet recruitingNCT07128667AMI-YouthUpdated Aug 19, 2025

Clinical Features and Long-Term Prognosis in Young Patients With Acute Myocardial Infarction

An observational study in ACS (Acute Coronary Syndrome) and Young Adults, sponsored by China-Japan Friendship Hospital. Not yet recruiting. Open to participants aged 18 Years to 45 Years. Per ClinicalTrials.gov, last updated 2025-08-19.

Sponsored by China-Japan Friendship Hospital · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
200
Ages
18 Years to 45 Years
Sex
All
01

Study summary

The incidence of acute myocardial infarction (AMI) in young patients is on the rise, placing a heavy health and economic burden on individuals, families, and society. The clinical phenotype and pathophysiological mechanisms of AMI in this population exhibit significant heterogeneity compared to elderly patients, and existing risk assessment tools have limited applicability in this specific group. The core problem this study aims to address is: how to accurately identify specific risk factors in young AMI patients and build an effective risk prediction model to prevent and optimize clinical diagnosis and treatment.

This study will adopt a prospective cohort design to collect multi-dimensional clinical data from young AMI patients. It will systematically analyze their clinical characteristics, risk factors, and coronary lesion status to comprehensively map the clinical, risk factor, and pathophysiological diversity of young AMI patients. Secondly, it will delve into identifying specific risk factors that influence the onset, progression, and long-term prognosis of young AMI. Thirdly, it will combine machine learning algorithms to develop a risk prediction model for young AMI, performing internal validation in the prospective cohort and external validation in the MIMIC-IV database. Simultaneously, it will explore novel biomarkers associated with disease onset and progression. The key outcomes of this study are to establish a high-quality clinical database of young AMI patients, design a risk prediction model for young AMI based on the study results, and produce high-level academic publications.

02

Conditions studied

  • ACS (Acute Coronary Syndrome)
  • Young Adults

Keywords

  • acute myocardial infarction
  • young adults
  • prognosis
  • risk factors
03

In context

Acute Coronary Syndrome

1,461 studies on the registry are indexed under Acute Coronary Syndrome; 267 are open to participants now.

This study's planned enrollment of 200 is below the median of 500 across 561 observational studies indexed under Acute Coronary Syndrome.

Browse Acute Coronary Syndrome studies →

Lead sponsor

China-Japan Friendship Hospital is the lead sponsor of 173 studies on the registry; 109 are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years to 45 Years
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

The study population for this project primarily consists of patients aged 18 to 45 years (inclusive) with acute myocardial infarction (AMI). These patients meet the diagnostic criteria for either ST-elevation myocardial infarction (STEMI) or non-ST-elevation myocardial infarction (NSTEMI) and presented for medical attention within 24 hours of symptom onset.

Inclusion criteria

  1. Age between 18 and 45 years (inclusive of 18 and 45 years);
  2. Meeting the diagnostic criteria for acute myocardial infarction (including both ST-elevation myocardial infarction and non-ST-elevation myocardial infarction);
  3. Presenting for medical attention within 24 hours of symptom onset;
  4. The subject (or their legal representative) is willing and able to sign the informed consent form (for the prospective follow-up portion);
  5. Life expectancy greater than 1 year.

Exclusion criteria

Exclusion Criteria:

  • (1) History of prior old myocardial infarction, severe valvular heart disease, or heart failure; (2) Pregnancy or lactation; (3) Mental disorders or other conditions that prevent cooperation with treatment; (4) Concomitant severe infection, inflammatory or immunological biomarker changes unrelated to AMI, trauma, or recent major surgery.
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
200 participants (estimated)
Target follow-up
2 Years
Patient registry
Yes
Biospecimen retention
Samples without dna
06

What researchers measure

Primary outcomes

  1. Malignant arrhythmia events

    Time frame: Short-term endpoints (in-hospital and within 30 days post-discharge).Long-term endpoints (12 months post-discharge).

  2. All-cause mortality

    Time frame: Short-term endpoints (in-hospital and within 30 days post-discharge).Long-term endpoints (12 months post-discharge).

  3. Non-fatal myocardial infarction

    Time frame: Short-term endpoints (in-hospital and within 30 days post-discharge).Long-term endpoints (12 months post-discharge).

07

Study locations

No study locations are listed for this record.

08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 19, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT07128667
Lead sponsor
China-Japan Friendship Hospital
Responsible party
Zhengqin Zhai (Dr., China-Japan Friendship Hospital) — Principal investigator
First posted
Aug 19, 2025
Start date
Sep 1, 2025 (estimated)
Primary completion
Dec 31, 2026 (estimated)
Completion
Dec 31, 2028 (estimated)
Last update
Aug 19, 2025

Study contacts

Zhengqin Zhai, Dr
Contact
zhengqin712@outlook.com
+86 18612511571

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Aug 2025. You cannot join it, but the record below documents what was studied.

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