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Duration of peripheral nerve blocks in opioid tolerant individuals

Phase 1
Recruiting
Conditions
Postoperative pain
Therapeutic area: Analytical, Diagnostic and Therapeutic Techniques and Equipment [E] - Anesthesia and Analgesia [E03]
Registration Number
CTIS2023-509351-13-00
Lead Sponsor
Region Midtjylland
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Recruiting
Sex
All
Target Recruitment
40
Inclusion Criteria

Age > 18 years old, ASA 1-3, Legally competent and able to give informed consent, Chronic pain, defined as persisting pain for more than three months (opioid group), The daily use of 60 mg or more of morphine equivalent for more than a month (opioid group)

Exclusion Criteria

Volunteers who cannot cooperate with the study, Pathology or previous major surgery to the upper limb, Active signs of infection in the cutaneous area of injection, Pregnancy at the time of the trial, Volunteers diagnosed with partial or complete 2nd or 3rd degree atrioventricular heart block without a pacemaker, Age > 84 years, Volunteers diagnosed with severe liver disease, Volunteers diagnosed with severe kidney disease and reduced kidney function (eGFR below 30 mL/min), Volunteers in daily treatment with drugs that are structurally related to local analgesics or class IB antiarrhythmics, as the toxic effects are additive, Volunteers in daily treatment with class III antiarrhythmics e.g., amiodarone., Volunteers who cannot understand or speak Danish, Volunteers with allergy to the lidocaine or the preservatives used in the study, Volunteers suffering from alcohol or drug abuse other than opioids, Peripheral neuropathy at the upper limb non-dominant arm

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod
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