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Obturator nerve block for Pain

N/A
Waitlist Available
Led By Francis Salinas, MD
Research Sponsored by Benaroya Research Institute
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Primary unilateral ambulatory hip arthroscopy
Age 18 to 65 years
Timeline
Screening 3 weeks
Treatment Varies
Follow Up within 5-30 minutes upon leaving operating room and arrival to phase i recovery
Awards & highlights

Study Summary

Hip arthroscopy is commonly associated with moderate-to-severe postoperative pain. The purpose of this study is to investigate the analgesic efficacy of preoperative obturator nerve block as measured by postoperative pain scores and postoperative analgesic requirements. The primary outcome will be the patient's first reported pain scores in the post anesthesia care unit (PACU).

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~within 12-24 hours after discharge to home (from the hospital); typically the same night of the day of surgery.
This trial's timeline: 3 weeks for screening, Varies for treatment, and within 12-24 hours after discharge to home (from the hospital); typically the same night of the day of surgery. for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Immediate pain score upon arrival to phase 1 PACU (NRS pain score)
Secondary outcome measures
Nausea (Number of episodes of nausea and vomiting during the 1st 24 hours postoperatively)
Opioid (analgesic) consumption
Pain scores for the 1st 24 hours after surgery (Numeric Rating Scale Pain)
+2 more

Trial Design

2Treatment groups
Active Control
Placebo Group
Group I: Obturator nerve blockActive Control2 Interventions
Ultrasound-guided single-injection obturator nerve block with 20 mL ropivacaine 0.5%
Group II: Sham blockPlacebo Group2 Interventions
Placebo arm. Ultrasound-guided injection of 3-5 mL normal saline in the subcutaneous tissue in the same location as would for an obturator nerve block.

Find a Location

Who is running the clinical trial?

Benaroya Research InstituteLead Sponsor
44 Previous Clinical Trials
9,530 Total Patients Enrolled
4 Trials studying Pain
530 Patients Enrolled for Pain
Francis Salinas, MDPrincipal InvestigatorVirginia Mason Medical Center

Frequently Asked Questions

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~6 spots leftby Mar 2025