Clinical trials: Postoperative Hyperalgesia
Hyperalgesia, Pain, Postoperative
Effects of Nefopam on Hyperalgesia After Cardiac Surgery
Postoperative pain after major surgery is consecutive not only to the nociceptive inputs coming from the surgical lesion, but also to peripheral and central neuronal sensitization.
- Conditions
- Hyperalgesia, Pain, Postoperative, Pain, Chronic Disease
- Trial name
- NefalCard (NCT00413257)
- Testing
- Nefopam, néfopam
- Where
- France
- Volunteers
- 90 people
- Sponsor
- University Hospital, Bordeaux
Chronic Pain
Intraoperative Nitrous Oxide and Postoperative Pain for Patients With Current Opioid Treatment
Peroperative opioids are known to induce N-Methyl-D-Aspartate dependent enhancement of postoperative hyperalgesia. For patients with current opioid treatment, these phenomena could be exagerated and could produce greater…
- Trial name
- PROTOX (NCT00210158)
- Testing
- Air, Protox
- Where
- France
- Volunteers
- 39 people
- Sponsor
- Institut Bergonié
Opioid-Induced Disorders
Investigation of the Strategy of Preventing Post-operative Opioid-induced Hyperalgesia
The concept of Enhanced Recovery After Surgery(ERAS) has been prevalent in recent years. In the ERAS guideline, short-acting anesthetics, instead of long-acting opioid anesthetics, were recommended during surgery to decrease…
- Trial name
- NCT03812003
- Testing
- Remifentanil
- Where
- Taiwan
- Volunteers
- 41 people
- Sponsor
- Tri-Service General Hospital (TSGH)
Pain, Postoperative
Fentanyl Ultra Low Doses Effects on the Nociceptive Threshold
Exaggerated pain and hyperalgesia are major issues after surgery and can lead to chronic pain. Opioid are parts of pain sensitization processes but remain absolutely necessary in the intraoperative period.
- Trial name
- FENTANULD (NCT00454259)
- Where
- France
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Living Kidney Donors Undergoing VAMS-nephrectomy
Effect of Oral Pregabalin on Hyperalgesia and Post-operative Pain in Patients Undergoing Nephrectomy Surgery: Sex Differential Study
Hyperalgesia is known to be caused by the excitatory amino acid through NMDA receptor. GABA, an inhibitory amino acid, alters the opioid receptor sensitivity against pain resulting hyperalgesia.
- Trial name
- NCT02340455
- Testing
- Pregabalin_male, Pregabalin_female
- Where
- South Korea
- Sponsor
- Yonsei University
Hyperalgesia
Effect of Propofol on Remifentanil-induced Postoperative Hyperalgesia in Patients Undergoing Thyroid Surgery
The investigators hypothesize that propofol infusion during surgery can affect the remifentanil hyperalgesia compared to sevoflurane inhalation.The outcome will be measured by a verbal numerical rating score (VNRS) and mechanical…
- Trial name
- NCT01189721
- Testing
- propofol, sevoflurane
- Where
- South Korea
- Volunteers
- 84 people
- Sponsor
- Gangnam Severance Hospital
Nodular Goiter
Effect of Higher Doses of Remifentanil on Postoperative Pain in Patients Undergoing Thyroidectomy
Extensive clinical studies have shown that intraoperative infusion high dose of remifentanil (0.2ug/kg/min) induced postoperative hyperalgesia.
- Trial name
- NCT01761149
- Testing
- Remifentanil
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Central South University
Persistent Pain, Postoperative Hyperalgesia
Prevention of Persistent Postsurgical Pain After Thoracotomy
Postthoracotomy acute pain is followed by persistent postsurgical pain in 20-30% of the patients, defined as pain that lasts more than 3-6 months after surgery.
- Trial name
- NCT01243801
- Testing
- Ketamine
- Where
- 2 sites in Spain
- Volunteers
- 104 people
- Sponsor
- Hospital Clinic of Barcelona
Postoperative Pain After a Total Knee Arthroplasty
Post-operative Analgesic Effect of Oral Nefopam
Primary knee arthroplasty by total prosthesis is a painful surgery, performed on patients with advanced gonarthrosis (stage III), thus already presenting hyperalgesia and hyperalgesia and allodynia.
- Trial name
- NefPO (NCT04576078)
- Testing
- Oral nefopam
- Where
- France
- Volunteers
- 50 people
- Sponsor
- Hospices Civils de Lyon
Hypertensive Disease, Pain, Postoperative
Effect of Acute Arterial Hypertension on Morphine's Requirements and Postsurgical Pain.
The purpose of this randomized clinical trial is to evaluate the effect of acute arterial hypertension maintained during surgery on morphine's requirements in patients undergoing laparoscopic cholecystectomy
- Trial name
- NCT01897155
- Testing
- SBP 20-30% over baseline, SBP 20-30% under baseline
- Where
- Chile
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Pontificia Universidad Catolica de Chile
Pain, Postoperative, Anesthesia
Comparison of Remifentanil-induced Postoperative Hyperalgesia Between Patients From Plain Area and Plateau Area
Purpose: 1. To compare the incidence of postoperative hyperalgesia induced by remifentanil in patients undergoing gynecological laparoscopic surgery in plateau and plain areas 2.
- Trial name
- NCT05028049
- Testing
- Sufentanil injection, Remifentanil Hydrochloride, plain areas
- Where
- 2 sites in China
- Volunteers
- 160 people
- Sponsor
- Tianjin Medical University General Hospital
Hyperalgesia, Opioid Use
Hyperalgesia, Persistent Pain, and Fentanyl Dosing in On-Pump Coronary Artery Bypass Grafting
Randomized, double-blinded, three arm study in adult patients undergoing first time coronary artery bypass grafting (CABG) surgery with median sternotomy.
- Conditions
- Hyperalgesia, Opioid Use, Pain, Postoperative, Pain, Chronic
- Trial name
- NCT03450161
- Testing
- Fentanyl dosing schemes
- Where
- Belgium
- Volunteers
- 80 people
- Sponsor
- University Hospital, Ghent
Postoperative Hyperalgesia
Epidural Clonidine for Postoperative Hyperalgesia
We propose performing a study in which we compare the effects of bupivacaine and fentanyl with a different drug combination - bupivacaine and clonidine. The principal research questions of the study are: 1.
- Trial name
- NCT00417443
- Testing
- Clonidine
- Where
- United Kingdom
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Scoliosis, Spinal Deformity
Bilateral Bi-level Erector Spine Plane Block as a Component of General Anesthesia in Surgical Correction of Spinal Deformations
Improving the anesthesiology management for surgical correction of spinal deformations with introducing the diagnostic methods and treatment strategy of acute pain, preventing the evolution of chronic pain.
- Conditions
- Scoliosis, Spinal Deformity, Acute Pain, Chronic Pain
- Trial name
- BBESPB (NCT04697498)
- Testing
- Bilateral bi-level Erector spine plane block, General anaesthesia
- Where
- Ukraine
- Volunteers
- 150 people
- Sponsor
- Lviv National Medical University
Postoperative Pain
Effect of S-ketamine in Cesarean Section Combined Anesthesia
To compare the anti-hyperalgesia effect between S-ketamine with placebo for Maternal receiving elective Cesarean Section under Combined spinal and epidural analgesia.
- Trial name
- NCT05414006
- Testing
- S-ketamine
- Where
- China
- Volunteers
- 120 people
- Sponsor
- The Second Affiliated Hospital of Chongqing Medical University
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
Pain, Postoperative
The Effect of Remifentanil on Rebound Pain
The investigators will evaluate the influence of intraoperative remifentanil infusion on the postoperative hyperalgesia in patients receiving rotator cuff repair after brachial plexus block for postoperative analgesia.
- Trial name
- NCT04236323
- Testing
- Not used remifentanil infusion
- Where
- South Korea
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Pain, Anesthesia
Effect of Dexmedetomidine Combined With Low-dose Nalmefene on Preventing Remifentanil-induced Postoperative Hyperalgesia
To explore and compare antihyperalgesic effects of Dexmedetomidine,Nalmefene,and a combination of both received before anesthesia induction.
- Trial name
- NCT03096730
- Testing
- Normal saline, Remifentanil, Sufentanil
- Where
- China
- Volunteers
- 150 people
- Sponsor
- Tianjin Medical University General Hospital
Hyperalgesia
Drip-infusion of Remifentanil for RIH
The development of remifentanil-induced hyperalgesia (RIH) is an unpleasant experience for surgical patients. An alternative management, gradual withdrawal of remifentanil was effective in prevention of RIH.
- Trial name
- NCT04387097
- Testing
- remifentanil
- Where
- Taiwan
- Volunteers
- 559 people
- Sponsor
- Tri-Service General Hospital (TSGH)
Ibuprofen, Remifentanil
Prevention of Remifentanil-induced Postoperative Hyperalgesia With Intravenous Ibuprofen
Postoperative hyperalgesia has been reported after intraoperative administration of small or high-dose remifentanil. Cyclooxygenase inhibitor exhibit preventive effects on the development of opioid-induced hyperalgesia.
- Conditions
- Ibuprofen, Remifentanil, Hyperalgesia, Pain, Postoperative
- Trial name
- NCT02243254
- Testing
- high dose remifentanil, Ibuprofen, low dose remifentanil
- Where
- South Korea
- Volunteers
- 120 people
- Sponsor
- Seoul National University Hospital