| NCT Number | NCT07542353 |
| Lead Sponsor | Xianping Wu |
| Conditions | Lumbar Fusion Surgery, Elderly Patients, Sodium Acetate Ringer's Solution, Sodium Lactate Ringer's Solution, Acute Kidney Injury, Biomarkers |
| Enrollment | 174 participants |
| Start Date | 2023-09-01 |
| Primary Completion | 2024-06-19 (estimated) |
| Study Completion | 2025-09-26 (estimated) |
| Updated on ClinicalTrials.gov | 2026-04-21 |