A retrospective study on the effects of gene polymorphisms on postoperative pain management in patients undergoing major abdominal surgery

A retrospective study on the effects of gene polymorphisms on postoperative pain management in patients undergoing major abdominal surgery - A study on gene polymorphism effects on postoperative pain management

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000000924

Enrollment

200

Registered

2007-12-03

Start date

2004-01-01

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Pain

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who had undergone major abdominal surgery in the last several years and who agreed to participate in the study with written informed consent

Exclusion criteria

Exclusion criteria: Patients less than 20 years and more than 75 years or those with severe complications

Design outcomes

Primary

Measure	Time frame
Associations between gene polymorphisms and postoperative opioid requirements or intensity of postoperative pain in patients who had undergone major abdominal surgery in the last several years	—

Countries

Japan

Contacts

Public ContactKazutaka Ikeda

Tokyo Metropolitan Institute of Medical Science Addictive Substance Project

ikeda-kz@igakuken.or.jp03-6834-2379(EXT-3825)

Outcome results