Genetic Determinants of Opioids Analgesia

This study has been completed.
Information provided by:
Hadassah Medical Organization Identifier:
First received: September 12, 2005
Last updated: October 28, 2008
Last verified: October 2008

The response to opioids varies greatly among individuals. Some of these variability is accounted for by genetic factors.

The present study was designed to evaluate the possibility that genetic polymorphism in the gene encoding for mu opioid receptor may explain variability in the response to alfentanil during lithotripsy.

Condition Intervention
Drug: Alfentanil

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: The Effect of mu Opioid Receptor Polymorphism on the Response to Alfentanil During Lithotripsy

Resource links provided by NLM:

Further study details as provided by Hadassah Medical Organization:

Primary Outcome Measures:
  • Total alfentanil dose used during the procedure.
  • The extent of respiratory depression.

Estimated Enrollment: 100
Study Start Date: August 1997

Ages Eligible for Study:   20 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Age > 20

Exclusion Criteria:

  • Regular use of opioid drugs
  • Known hypersensitivity to alfentanil
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Please refer to this study by its identifier: NCT00226564

Hadassah Medical Organization
Jerusalem, Israel
Sponsors and Collaborators
Hadassah Medical Organization
Principal Investigator: Yoseph Caraco, MD Hadassah Medical Organization
  More Information Identifier: NCT00226564     History of Changes
Other Study ID Numbers: yc19554-HMO-CTIL 
Study First Received: September 12, 2005
Last Updated: October 28, 2008
Health Authority: Israel: Israeli Health Ministry Pharmaceutical Administration

Additional relevant MeSH terms:
Kidney Diseases
Urologic Diseases
Analgesics, Opioid
Anesthetics, General
Anesthetics, Intravenous
Central Nervous System Depressants
Peripheral Nervous System Agents
Physiological Effects of Drugs
Sensory System Agents processed this record on May 24, 2016