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Clinical study of plasma cell-free DNA methylomes for atrial fibrillation early detection and prognostic evaluation

Clinical study of plasma cell-free DNA methylomes for atrial fibrillation early detection and prognostic evaluation after cryoablation

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500104694
Enrollment
Unknown
Registered
2025-06-20
Start date
2025-06-20
Completion date
Unknown
Last updated
2025-06-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Atrial fibrillation

Interventions

Sponsors

Shanghai Pudong New Area Zhoupu Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to 90 Years

Inclusion criteria

Inclusion criteria: 1.[ Experimental Group ] (1) Age: 20-90 years old; (2) Symptomatic, non-valvular paroxysmal or persistent atrial fibrillation (with a duration of =1 week), and unresponsive to one or more antiarrhythmic drugs; (3) The patient is preparing to undergo atrial fibrillation ablation surgery; (4) Provide informed consent forms indicating willingness to participate in the study, compliance with the follow-up trial and assessment procedures. 2.Healthy Control Group: (1) Age: 20-90 years old; (2) No history of major physical diseases (diseases of important organs such as the heart, liver, kidneys, and brain), no history of major infectious diseases or exposure to infectious diseases, no history of mental illness or family history. (3) Physical examination and laboratory tests (blood and urine routine, blood biochemistry, electrocardiogram, chest X-ray) found no abnormalities or abnormalities but had no clinical significance; (4) The subjects gave informed consent and voluntarily signed the informed consent form.

Exclusion criteria

Exclusion criteria: 1.[ Experimental Group ] (1) There are acute lesions, such as the acute stage after myocardial infarction (within 3 months), acute attack of heart failure or within 3 months after a new cerebral infarction; (2) On the list of heart transplants; (3) Life expectancy is less than one year; (4) There are other hemorrhagic diseases and anticoagulant therapy cannot be carried out; (5) Left atrial thrombosis (6) Patients with cardiac insufficiency at New York Heart Classification grades 3-4 or EF<40%; (7) Patients with uncontrolled cancer; (8) Obvious liver and kidney function damage (and/or ALT and AST levels are more than twice the upper limit of the normal value, CCr<50%); (9) Previous history of catheter radiofrequency ablation for atrial fibrillation or cardiac surgery; (10) Women who are pregnant, breastfeeding, planning to become pregnant, or women of childbearing age who have not adopted reliable contraceptive methods. Healthy Control Group: (1) There has been a history of infection, fever, trauma or burn surgery within the past month; (2) Have taken any drugs (Western medicine or traditional Chinese medicine) for the prevention and treatment of cardiovascular and cerebrovascular diseases within the past month; (3) Women who are pregnant, breastfeeding, planning to become pregnant, or women of childbearing age who have not adopted reliable contraceptive methods. (4) Currently suffering from or having previously suffered from mental system disorders such as depression, anxiety, and substance abuse; (5) Unable to cooperate in completing this research.

Design outcomes

Primary

MeasureTime frame
cfDNA methylation;

Countries

China

Contacts

Public ContactZhaoxia Wang

Shanghai Pudong New Area Zhoupu Hospital

wangzhaoxia1004@126.com+86 13671652482

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026