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The Immune and Endocrine Systems in Chronic Non-cancer Patients Treated With Opioids

CompletedNCT02277080
View the official record on ClinicalTrials.gov

Recruiting status changes often. Contact the study team listed on ClinicalTrials.gov, and talk to your doctor before joining a study.

This study has no listed site in Canada in this snapshot. It is included as part of the worldwide chronic pain corpus.

Brief summary (from the registry)

The primary aim is to investigate the dose and time dependent effects of different opioids on the immune and endocrine systems. The secondary aim is to investigate whether associations between the function of the immune and endocrine systems and opioid use influence cognitive function, pain and quality of life.

Study details

Official title
The Immune and Endocrine Systems in Chronic Non-cancer Patients Treated With Opioids: Effects on Cognition, Pain and Quality of Life
Conditions
Sponsor
Copenhagen University Hospital, Rigshospitalet
Start date
2014-09
Primary completion
2021-06
Sex
All
Age range
from 18 Years to 65 Years
Results posted
No results posted in this snapshot
Total sites listed
0

Eligibility criteria

Show eligibility criteria (verbatim from the registry)
CRITERIA FOR INCLUSION IN THE OPIOID GROUP * Age \>18 yrs and \<65 yrs * Chronic non-cancer pain (\>6 months' duration) * At least six years of schooling * Fluent in spoken and written Danish * On opioid treatment (\>30 mg of morphine equivalents pr. day) for at least one month CRITERIA FOR INCLUSION IN THE CONTROL GROUP * Age \>18 yrs and \<65 yrs * Chronic non-cancer pain (\>6 months' duration) * At least six years of schooling * Fluent in spoken and written Danish (no need for translator) * No analgesic treatment for the last month CRITERIA FOR EXCLUSION * Treatment with glucocorticoid or sex hormones within the previous 6 months or on-going therapy with drugs known to interfere with endocrine function * Treatment with adjuvant analgesics (anticonvulsants, antidepressants and others), NSAIDs/paracetamol, benzodiazepines and hypnotics (sleeping pills can be discontinued 3 days before testing) the last month * Known endocrine disease including insulin treated diabetes mellitus * Previously diagnosed dementia or encephalopathy * Brain trauma necessitating hospitalization within last 6 months * Previously diagnosed liver disease * Renal insufficiency (serum creatinine concentration \>140 µmol/l) * Pregnancy

Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT02277080