Clinical trials: Hyperalgesia, Secondary
Pain Perception, Secondary Hyperalgesia
Electrical Intra-cutaneous Half-sine Stimulation for Optimized Preferential C-fiber Activation
This exploratory study is to improve an established pain model by a new stimulation profile that allows preferential activation of C fibers that are of main clinical interest in chronic pain and also to generate a stable…
- Trial name
- NCT05440266
- Testing
- Study Intervention: 25 ms half-sine wave stimulation, Control Intervention: 500 µs rectangular shaped stimulation
- Where
- Switzerland
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Thoracotomy, Hyperalgesia
Central Sensitisation and Postoperative Pain
One out of 10 patients undergoing surgery develops persistent post-surgical pain (PPSP). Unfortunately, available therapies for treating this pain have limited success.
- Conditions
- Thoracotomy, Hyperalgesia, Hyperalgesia, Secondary, Central Sensitisation
- Trial name
- NCT04220697
- Testing
- electroencephalography (EEG), questionnaires, high frequency electrical stimulation of the forearm skin (HFS)
- Where
- 2 sites in Belgium
- Volunteers
- 70 people
- Sponsor
- Université Catholique de Louvain
Hyperalgesia, Secondary
Reliability of Measuring the Area and Intensity of Secondary Hyperalgesia Induced by High Frequency Stimulation
This study is designed to evaluate the method of assessing the and intensity areas of secondary hyperalgesia induced by High Frequency Stimulation (HFS).
- Trial name
- NCT03966508
- Testing
- High-frequency electrical stimulation
- Where
- Belgium
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Université Catholique de Louvain
Secondary Hyperalgesia, Inflammation
The Effect of Hyperbaric Oxygen Therapy on Inflammatory Parameters Induced by a Heat Injury Model
Hyperbaric oxygen may reduce neurophatic pain and promote wound healing. Established anti inflammatory effects of HBO may contribute to this effect.
- Trial name
- HBO-SHA (NCT02397343)
- Testing
- Hyperbaric oxygen
- Where
- Denmark
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Phantom Limb Pain (PLP), Primary/Secondary Scar Hyperalgesia
A Trial of Lidocaine Patch for Lower Limb Amputation Pain
Phantom limb pain (PLP) and scar hyperalgesia (SH) are frequent problems after amputation; in particular most persons who undergo limb amputation will experience phantom pain.
- Trial name
- NCT02696720
- Testing
- Lidocaine
- Where
- 2 sites in Belgium
- Sponsor
- Brugmann University Hospital
Hyperalgesia, Secondary
Transversus Abdominis Plane (TAP) Block for Cesarean Section
The purpose of this study is to determine whether a transversus abdominis plane (TAP) block with Clonidine added to the injectate (Clo-TAP) performed approximately 2hrs after the cesarean section (CS) will decrease the amount of…
- Trial name
- CLOTAP (NCT01015807)
- Testing
- Bupivacaine, Clonidine
- Where
- 2 sites in United States, Brazil
- Volunteers
- 90 people
- Sponsor
- University of Washington
Pain, Secondary Hyperalgesia
Is the Volume of the Caudate Nuclei Associated With Area of Secondary Hyperalgesia?
The purpose of this prospective study is to investigate the degree of association between the volume of important pain-relevant structures in the brain and the size of the areas of secondary hyperalgesia.
- Conditions
- Pain, Secondary Hyperalgesia, Healthy Volunteers, Magnetic Resonance Imaging
- Trial name
- NCT02567318
- Testing
- MRI-scan
- Where
- Denmark
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Measurements of Areas of Secondary Hyperalgesia
Delineating Areas of Secondary Hyperalgesia: Influence of the Assessment Method
Assessments of mechanical skin sensitivity include psychophysical responses to stimulation with calibrated polyamide monofilaments.
- Trial name
- NCT02286037
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Spinal Cord Injury, Hyperalgesia, Secondary
MR Spectroscopy as a Diagnostic and Outcome Measure in Pain and SCI
The goal of this study is to compare the changes that occur in sensation and chemical properties of the brain following SCI between individuals that experience chronic pain and those that do not, and between those with SCI and…
- Conditions
- Spinal Cord Injury, Hyperalgesia, Secondary, Hyperalgesic Sensations
- Trial name
- MRS (NCT00561782)
- Where
- United States
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Hyperalgesia, Secondary
Modulation of Remifentanil-induced Postinfusion Hyperalgesia
In addition to alleviate pain there is growing evidence that µ-opioids enhance pain. This problem is known as opioid induced hyperalgesia(OIH).The NMDA receptor is involved in opioid induced hyperalgesia it may be possible to…
- Trial name
- NCT00785863
- Testing
- Remifentanil, Ketorolac and remifentanil, Parecoxib and remifentanil
- Where
- Norway
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Ullevaal University Hospital