Clinical trial Recruiting at 1 site Phase 4 Interventional Ages 18 and up

Comparing continuous and scheduled bolus infusions for post-surgical pain management

Official title: A Prospective Comparison of Pain and Analgesia in Patients With Continuous Peripheral Nerve Block Catheters Using Continuous Infusion or Scheduled Bolus Infusion

Run by Stanford University · NCT03230565 · Data updated 2026-11-12

This study is testing whether continuous or scheduled doses of local anesthetic work better for managing pain after surgery in adults who receive nerve blocks.

Quick facts

PhasePhase 4
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment240 (estimated)
SponsorStanford University
Academic / other
Locations1 site (Stanford, California)
StatusRecruiting
StartedJune 1, 2018
Main results expectedDecember 2026
Study endsDecember 2026
Registry record updatedDecember 8, 2025
Trial IDNCT03230565 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are adult patients with ASA physical status I, II, or III who are scheduled to receive nerve block catheters for postoperative analgesia.

Probably not a fit

Patients who are pregnant, incarcerated, under 18 years old, have a BMI over 35, or have pre-existing neuropathy of the operative extremity may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study aims to compare the effectiveness of continuous infusions versus scheduled bolus infusions of local anesthetic in managing postoperative pain for patients receiving nerve block catheters. By utilizing regional anesthetic techniques, the study seeks to evaluate how these two dosing regimens impact pain control, opioid requirements, and recovery times after surgery. The research will involve adult patients with varying physical statuses undergoing surgical procedures that require nerve blocks. The findings could provide insights into optimizing pain management protocols in postoperative care.

Why it matters

Potential benefit: If successful, this study could lead to improved pain management strategies, reducing opioid use and enhancing recovery for postoperative patients.

How similar studies have gone: While the concept of scheduled bolus dosing has shown promise in some settings, this specific comparison has not been extensively studied, making it a novel approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adult patients presenting for nerve block catheters for post-operative analgesia
* ASA physical status I, II, or III.

Exclusion Criteria:

* Pregnancy
* Incarceration
* Age \<18
* BMI \>35
* Pre-operative opioid use \>30 mg morphine equivalents per day
* Inability to communicate with investigators by telephone
* Pre-existing neuropathy of the operative extremity.

Where it's running

  • Stanford University
    Stanford, California, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.