| Title {1} | Preemptive Infiltration with Betamethasone and Ropivacaine for Postoperative Pain in Laminoplasty or Laminectomy (PRE-EASE): A Study Protocol for a Randomized Controlled Trial |
| Trial registration {2a and 2b} |
ClinicalTrials.gov, NCT04153396. Registered on 6 November 2019 |
| Protocol version {3} | 2020/03/10 Protocol Version 3.0 |
| Funding {4} | Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (grant no. ZYLX201708). |
| Author details {5a} |
Niti Shrestha*, Department of Pain Management, Beijing Tiantan Hospital, Capital Medical University, Beijing, China. Liang Wu*, Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China. Xiaodi Wang*, Department of Pain Management, Beijing Tiantan Hospital, Capital Medical University, Beijing, China. Wenqing Jia, Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China. Fang Luo, Department of Pain Management, Beijing Tiantan Hospital, Capital Medical University, Beijing, China. |
| Name and contact information for the trial sponsor {5b} |
Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support Contact information: 008613661058642 |
| Role of sponsor {5c} | The funders have no role in the design, data collection and analysis, decision to publish or the preparation of the manuscript |
*Signify 3 co-first authors who contributed equally to this work