Prospective study of the relationship between postoperative acute pain and COMT gene polymorphism and molecular mechanism in patients with gastric cancer

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100047161

Enrollment

Unknown

Registered

2021-06-09

Start date

2021-06-01

Completion date

Unknown

Last updated

2022-01-24

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

Conditions

cancer,pain

Interventions

case group:Nil

Eligibility

Sex/Gender

All

Age

18 Years to 79 Years

Inclusion criteria

Inclusion criteria: 1. Patients aged from 18 to 80 years; 2. ASA grade I-III; 3. Pathological diagnosis of malignant tumors, patients undergoing radical cancer surgery.

Exclusion criteria

Exclusion criteria: 1. Patient tumor recurrence; 2. Other parts of the combined primary malignancies; 3. Patients receiving long-term psychotropic and analgesic medications; 4. Schizophrenia, epilepsy preoperative; 5. History of chronic pain; 6. Severe liver and kidney dysfunction.

Design outcomes

Primary

Measure	Time frame
Pain score;	—

Countries

China

Contacts

Public ContactTan Hongyu

Key laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Anesthesiology, Peking University Cancer Hospital & Institute

maggitan@yeah.net+86 18610265968

Outcome results

None listed

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