Status:

COMPLETED

Impact of CYP3A4*1G Polymorphism on Metabolism of Fentanyl in Chinese Patients Undergoing Lower Abdominal Surgery

Lead Sponsor:

Huazhong University of Science and Technology

Conditions:

Pain

Surgery

Eligibility:

All Genders

20-65 years

Brief Summary

Purpose: This study aimed to investigate the impact of CYP3A4\*1G genetic polymorphism on metabolism of fentanyl in Chinese patients undergoing lower abdominal surgery. Methods: 176 patients receiving...

Eligibility Criteria

Inclusion

  • Aged 20-65 years
  • Anesthesiologists (ASA) physical status I or II;
  • With ±20% of ideal body weight;
  • Received PCA administration;
  • Agreed to participate the research

Exclusion

  • History of chronic pain;
  • Psychiatric diseases;
  • Diabetes mellitus;
  • Severe cardiovascular diseases;
  • Kidney or liver diseases;
  • Alcohol or drug abuse (according to the criteria of DSM-IV);
  • Pregnancy or at lactation period;
  • Consumed drugs (1week) or foods (3 days) known to inhibit or induce the expression of CYP3A4 enzymes prior to surgery;
  • Refused PCA administration;
  • Disagree to participate to the research

Key Trial Info

Start Date :

November 1 2008

Trial Type :

OBSERVATIONAL

Allocation :

ACTUAL

End Date :

April 1 2010

Estimated Enrollment :

176 Patients enrolled

Trial Details

Trial ID

NCT01181492

Start Date

November 1 2008

End Date

April 1 2010

Last Update

November 1 2013

Active Locations (1)

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Page 1 of 1 (1 locations)

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1. Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology

Wuhan, Hubei, China, 430030