Pain
Conditions
Keywords
analgesia, acute experimental pain, cold pressor test, pregabalin, remifentanil
Brief summary
In this experimental study on healthy volunteers we explored the effect of pregabalin alone and in combination with remifentanil on acute experimental pain and ventilatory function.
Detailed description
Pain during cold pressor test (CPT) was scored at all dose levels of remifentanil on a visual analogue scale (VAS 0-100 mm). Ventilatory function was measured by spirometry registering respiratory frequency (breaths/min), minute volume (L/min) and expiratory end-tidal carbon dioxide tension (mmHg). Side effects such as nausea and sedation were registered.
Interventions
hard capsule, 150 mg, 2 times, 2 days
50-90 min: TCI 0.6 ng/mL, 100-140 min: 1.2 ng/mL, 150-190 min: TCI 2.4 ng/mL
hard capsule, 150 mg, 2 times, 2 days, saline infusion
Sponsors
Study design
Eligibility
Inclusion criteria
* Healthy volunteers, * \> 18 yrs \< 55 yrs, * negative pregnancy test
Exclusion criteria
* Pregnancy, * nursing, * known heart-, lung- or liver disease, * kidney failure/peptic ulcers, * use of liver enzyme-inducing medications, * known allergy against the medications used in the trial, * use of psychotropic drugs, analgesics or alcohol used the last 24 hours before the trial, * body weight \> 100 kg or 30% deviation from normal weight, * participant in other studies during the last 2 months, * individuals who do not master Norwegian language
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Pain intensity | 123 sec x 4 | Pain was caused by Cold Pressure Test |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Ventilatory function | 10 min x 4 | Respiratory frequence (breath/min), tidal volume (mL), minute volume (L)and expiratory end-tidal carbon dioxide tension (mmHg) |
| Cognitive function | 4 min x 4 | Cognitive function was tested using pc-tests like Cambridge Neuropsychological Test Automated Battery (CANTAB) and Stroop-test |
Countries
Norway