# Post-Operative Spinal Block Duration and Pain Relief After Hip Replacement Surgery: Comparing Single-Shot Spinal Ropivacaine and Bupivacaine

> **NCT07631091** · PHASE4 · NOT_YET_RECRUITING · sponsor: **University of Turku** · enrollment: 176 (estimated)

## Conditions studied

- Hip Osteoarthritis
- Hip Arthroplasty Replacement
- Postoperative Pain After Ambulatory Surgery

## Interventions

- **DRUG:** Spinal Anesthesia with Ropivacaine 15 mg (5 mg/ml)
- **DRUG:** Spinal Anesthesia with Bupivacaine 11 mg (5 mg/ml)

## Key facts

- **NCT ID:** NCT07631091
- **Lead sponsor:** University of Turku
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-06
- **Primary completion:** 2027-12
- **Final completion:** 2028-05
- **Target enrollment:** 176 (ESTIMATED)
- **Last updated:** 2026-06-05

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07631091

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07631091, "Post-Operative Spinal Block Duration and Pain Relief After Hip Replacement Surgery: Comparing Single-Shot Spinal Ropivacaine and Bupivacaine". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07631091. Licensed CC0.

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