Clinical Trials Directory

The Effect of Preemptive Sphenopalatine Ganglion Block on Anesthetic Requirements, Postoperative Pain and Functional Patient Outcomes After Functional Endoscopic Sinus Surgery

The aim of the study is to quantify postoperative pain after functional endoscopic sinus surgery (FESS) and investigate whether preemptive analgesia may positively impact intraoperative anesthetic management, decrease patient postoperative pain and discomfort, and improve patient functional outcomes.

Stanford is not currently accepting new patients for this trial. You may want to check to see if other locations are recruiting.



  • drug : Placebo
  • drug : Bupivacaine Block

Phase: Phase 4


Ages Eligible For Study:

18 Years - 70 Years

Inclusion Criteria

1. The study subjects will be 18-70 year old. 2. The subjects will be American Society of Anesthesiology physical status I and II patients. 3. Patients with chronic rhinosinusitis, presenting for bilateral functional endoscopic sinus surgery. 4. The subjects should understand informed consent and study instructions, AND 5. The subjects should not participate in any other research protocols.

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Contact information

Stanford University
School of Medicine
300 Pasteur Drive
Stanford, CA 94305
David Drover
Not Recruiting

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