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Warfarin Maintenance Dose Prediction Model Formula Based on Polymorphism Analysis of the Hani and Yi Minority Genes CYP2C9 and VKORC1 in Honghe Prefecture

Warfarin Maintenance Dose Prediction Model Formula Based on Polymorphism Analysis of the Hani and Yi Minority Genes CYP2C9 and VKORC1 in Honghe Prefecture

Status
Recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100051778
Enrollment
Unknown
Registered
2021-10-03
Start date
2018-06-24
Completion date
Unknown
Last updated
2021-10-26

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

Conditions

Polymorphism Analysis of The Warfarin Metabolism Related Genes in Ethnic group

Interventions

Hani minority group:warfarin anticoagulant therapy
Yi minority group:warfarin anticoagulant therapy
Han contral group:warfarin anticoagulant therapy

Sponsors

Yunnan Southern Central Hospital (The First People's Hospital of Honghe Prefecture)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Patients who received warfarin anticoagulant therapy after heart valve replacement. 2. The warfarin maintenance dose of the patients was constant, and their INR value was between 1.5-3.0 in the last 3 clinical follow-up visits.

Exclusion criteria

Exclusion criteria: 1. Patients were cotreated with drugs considered to affect the metabolism of warfarin: amiodarone, fluconazole, miconazole, and sulfamethoxazole,etc.; 2. During warfarin anticoagulant therapy, patients have hepatic or renal impairments; 3. Patients with active peptic ulcer or requiring long-term glucocorticoid therapy; 4. Malignant tumor; 5. Complicated with blood system diseases; 6. History of hemorrhagic stroke; 7. Severe heart failure (NYHA grade IV), uncontrolled hypertension (>=160/100mmHg).

Design outcomes

Primary

MeasureTime frame
International standard ratio, INR;CYP2C9*2???????;CYP2C9*3???????;VKORC1???????;

Secondary

MeasureTime frame
actual warfarin dose, AWD;prosthetic valve;drug combination;

Countries

China

Contacts

Public ContactMengjiao Qian

Department of Cardiothoracic Surgery, The First People's Hospital of Honghe Prefecture

qianmengjiao@sina.com+86 13529968115

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 12, 2026