View clinical trials related to Neuralgia, Postherpetic.
Filter by:Object: Postherpetic neuralgia (PHN) is pain that persists for 1-3 months after herpes zoster onset. It is the most common complication of herpes zoster and occurs in 15-40% of patients with herpes zoster. PHN has been suggested to be related with the lesion of doral root ganglion (DRG). However, the studies are almost limited to autopsies and animals , and the mechanism of PHN is still unclear. This study was conducted to investigate morphological and metabolic changes of DRG and sympathetic ganglion in patients with postherpetic neuralgia on MRI. Method: 30 patients diagnosed as PHN were recruited. The volume and fractional anisotropy of DRG of lesion dermatomes were measured under MRI, and compared with contralateral and adjacent DRG. The volume and fractional anisotropy of sympathetic ganglion of lesion dermatomes were also measured under MRI, and compared with contralateral and adjacent sympathetic ganglion.Then, the association between clinical phenotypes and DRG changes were analyzed.
The purpose of this study is to investigate the effect of ultrasound-guided thoracic paravertebral block (TPVB) when performing sympathetic block for upper limb pain control.
The aim of the present study is to investigate the safety and clinical utility of contralateral oblique view for fluoroscopic guided cervical epidural access.
Herpes zoster (HZ) is an acute herpetic skin disease caused by the reactivation of the varicella-zoster virus (VZV) latent in the sensory ganglia. Postherpetic neuralgia (PHN) often occurs after herpes zoster heals and persists for a long time. At present, clinically anticonvulsants (such as gabapentin, pregabalin) and antidepressants (such as amitriptyline) are clinically first-line drugs for the treatment of PHN, which are not usually effective to treat PHN well, as well as to alleviate patients' bad mental symptoms. Esketamine, as a well-known N-methyl-D-aspartate receptor inhibitor, has both analgesic and antidepressant effects with extremely few incidence of respiratory depression, delirium, hallucinations, nausea and vomiting. Therefore, we hypothesize that esketamine could relieve PHN and Anxiety and depression-like symptoms symptoms in patients with PHN. This study intended to compare the efficacy of pregabalin, amitriptyline combined with esketamine therapy and pregabalin combined with amitriptyline therapy for alleviating PHN, and to further explore the feasibility and safety of esketamine in the treatment of PHN as well as underlying the mechanism of esketamine on the PHN.
Evaluation of the efficacy of LX9211 compared to placebo in reducing pain related to postherpetic neuralgia over an 11 week assessment period.
Postherpetic neuralgia (PHN) has a high incidence rate and severely impact on quality of life and health care costs, interfering with physical, emotional and social functioning of affected patients. Current therapeutic options for PHN mainly include analgetic and local anaesthesia for selective nerve blockade. Nevertheless, the efficacy of analgetic is always limited by inevitable side effects, in which patients have poor compliance. Moreover, for some most suffering patients, the control of pain is often unsatisfactory despite the administration of complex combinations. As a non-pharmarceutical therapy, acupuncture is widely use for a wide range of pain conditions. Thus, it might be an alternative treatment for PHN. The aim of this multicenter randomized controlled trial is to investigate the efficacy and safety of electroacupuncture therapy in patients with postherpetic neuralgia.
The investigators designed the multicenter randomized parallel controlled clinical trial of electroacupuncture on PHN which is rigorously designed and have an appropriate sample size, aiming to evaluate the efficacy and safety of electroacupuncture in pain relieving and pain removing in the treatment of patients with PHN.
This randomized clinical study will be carried out on 72 patients admitted to the pain clinic in Tanta University Hospitals with post-herpetic neuralgia. Cases presenting to the Pain Clinic with acute pain due to postherpetic neuralgia in thoracic and/or lumbar dermatomes with numerical rating scale (NRS) of 6 or more and they will be randomly divided, using the closed envelop method, into three equal groups. Group A (24 patients): Patients will be subjected to the routine medical treatment of post herpetic neuralgia as controls (Pregabalin, acyclovir, and paracetamol) and sham erector spinae plane block Group B (24 patients): Patients will be subjected to erector spinae block by bupivacaine (2 - 2.5 mg/kg, with a maximum of 175 mg/dose) together with medical treatment. Group C (24 patients): Patients that will subjected to erector spinae block by bupivacaine (2 - 2.5 mg/kg, with a maximum of 175 mg/dose with the addition of MgSO4 (equivalent to 100 mg)) together with medical treatment. Primary outcome will be the efficacy of pain relief Secondary outcome will be the frequency of pain and the consumption of analgesics.
Herpes zoster causes significant morbidity on over 1 million Americans every year. Although the majority of herpes zoster pain will self-resolve within one week, a significant proportion of patients will develop postherpetic neuralgia (PHN), which is characterized by debilitating pain that persists more than three months after the initial symptoms. Nerve blocks have been previously studied as a method to control herpes zoster pain in outpatient pain clinics and inpatient settings. This study aims to investigate whether emergency department ultrasound guided nerve blocks can prevent PHN and effectively treat acute herpes zoster pain.
Background and purpose: Post-herpetic neuralgia (PHN) is the most frequent chronic complication of herpes zoster, resulting in post- infectious severe neuropathic pain. Due to drug resistance severe pain; patients with PHN suffer from reduced physical activities, social and psychological manifestations as well as decrease in the quality of life. The purpose of this research was to evaluate the efficacy of pulsed electromagnetic field therapy (PEMFT) versus transcutaneous electrical nerve stimulation (TENS) in the treatment of post-herpetic neuralgia of the sciatic nerve. Methods: In an eight weeks period of treatemnt, 52 patients were randomly and equally assigned into two groups. Both groups received conventional physical therapy treatment protocol. Moreover, group (A) has an additional TENS application and group (B) had PEMFS application. TENS and the PEMFT were applied once daily, three times per week for 20 minutes for each session. Assessment performed pre and post intervention using visual analogue scale (VAS) and estimation of the carbamazepine intake (CMI).