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

NCT07631091 · Status: NOT_YET_RECRUITING · Phase: PHASE4 · Type: INTERVENTIONAL · Enrollment: 176

Last updated 2026-06-05

No results posted yet for this study

Summary

This study aims to determine whether isobaric ropivacaine is more suitable than isobaric bupivacaine for spinal anesthesia in outpatient total hip arthroplasty (THA). The study will evaluate whether ropivacaine allows faster recovery of sensory and motor function while still providing adequate surgical anesthesia and postoperative pain control. Additional aims are to assess the effects of the anesthetic technique on same-day discharge rates, postoperative recovery, urinary retention, opioid consumption, and patient satisfaction after outpatient THA.

Conditions

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

Interventions

DRUG

Spinal Anesthesia with Ropivacaine 15 mg (5 mg/ml)

Patients receive spinal anesthesia with intrathecal ropivacaine

DRUG

Spinal Anesthesia with Bupivacaine 11 mg (5 mg/ml)

Patients receive spinal anesthesia with intrathecal bupivacaine

Sponsors & Collaborators

  • Turku University Hospital

    collaborator OTHER_GOV

  • University of Turku

    lead OTHER

Principal Investigators

  • Panu Uusalo, MD, PhD · University of Turku and Turku University Hospital, Finland

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
80 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-06-30
Primary Completion
2027-12-31
Completion
2028-05-31

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07631091 on ClinicalTrials.gov