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Clinical Trial Summary

Laminoplasty and laminectomy have been used for decades for the treatment of intraspinal space occupying lesions, spinal stenosis, disc herniation, injuries, etc. After these procedures, patients often experience severe postoperative pain at the surgical site. However, current methods of pain control are mostly insufficient. At present, several pain controlling methods are available, to reduce postoperative pain after laminoplasty or laminectomy. Methods for systemic administration include: oral analgesics, intermittent intravenous, intramuscular injections, patient- controlled intravenous analgesia, etc. However, the aforementioned methods may have a lot of side effects, and are usually used after the occurrence of pain and the analgesic effects are sometimes inadequate. Topical administration options use a lower dose of drugs and therefore have less systemic side effects. Pre-emptive injection of local anesthetics can significantly reduce postoperative pain during rest and movement, however, the analgesic effect is maintained for a relatively short period of time. It is necessary to use more cases to explore the other compatibility of drugs with longer duration of action and stronger analgesic effect. Betamethasone as the stereoisomer of dexamethasone is a long-acting corticosteroid, which has long lasting anti-inflammatory properties. Whether betamethasone combined with local anesthetic for laminoplasty or laminectomy has better short-term and long-term effects than the local anesthetic alone has not been reported yet. Therefore, a prospective, randomized, controlled, blinded-endpoint study is needed to compare the postoperative analgesic efficacy of preemptive wound infilteration of ropivacaine alone and betamethasone plus ropivacaine for laminectomy or laminoplasty.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT04153396
Study type Interventional
Source Beijing Tiantan Hospital
Contact
Status Completed
Phase Phase 4
Start date September 1, 2021
Completion date June 3, 2022

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