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Can a nerve block make sinus surgery less bloody?

NCT ID NCT03970655

Symptom relief Sponsor: University of Florida Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jul 31, 2026 · Updated 3 times

Summary

This pilot study tests whether adding epinephrine to a standard nerve block (pterygopalatine ganglion block) reduces bleeding during functional endoscopic sinus surgery (FESS) in people with chronic rhinosinusitis. Eighty adults undergoing bilateral FESS will receive the nerve block with epinephrine on one side and without on the other, and surgeons will rate bleeding using a standard scale. The goal is to see if this simple addition can improve surgical conditions.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
bupivacaine or ropivacaine with epinephrine plus dexamethasone
What this could lead to
If it works, this could lead to a simple way to reduce bleeding during sinus surgery, making the procedure safer and easier for surgeons.
What could go wrong
This is a small early-phase pilot study, so results may not be conclusive. The effect on bleeding might be small or not clinically meaningful.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

80 people

The number who actually took part.

Started

Sep 2019

Finished

Feb 2026

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 90 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Patient presenting for bilateral FESS 2. Adult patients (\>18 and \< 90 years old) 3. Patient consents to participate 4. No underlying chronic pain condition 5. No underlying bleeding diathesis Exclusion Criteria: 1. Patient refuses to consent 2. Patient requires revision or unilateral surgery 3. Patient requires surgery in addition to FESS 4. Age younger than 18 or older than 90 years 5. Any underlying chronic pain condition 6. History of bleeding diathesis 7. Presence of any other factor which, at the discretion of any member of the study team, makes the patient a poor candidate for block placement. 8. Presence of any other factor which, at the discretion of any member of the study team, makes the patient a poor candidate for research participation. 9. Vulnerable patient population

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Conditions

The condition(s) this trial relates to.

chronic rhinosinusitis disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Chronic rhinosinusitis (diagnosis)

Contacts and locations

Locations

  • UF Health of University of Florida

    Gainesville, Florida, 32610, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.