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Utility of Single-dose Oral Antibiotic Prophylaxis in Prevention of Surgical Site Infection in Dermatologic Surgery

NCT04580472 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE4 · Type: INTERVENTIONAL · Enrollment: 574

Last updated 2026-03-25

No results posted yet for this study

Summary

The purpose of the study is to assess the effectiveness of a single dose of preoperative antibiotic in reducing surgical site infections in certain dermatological procedures. Patients will undergo surgical excision or Mohs surgery as is clinically indicated and part of usual care. The study will be a double blinded, placebo-controlled clinical trial. Patients meeting inclusion criteria will be assigned to one of three participant categories: 1) patients undergoing repair with skin flap or graft on the nose, 2) patients undergoing repair with skin graft, flap, or wedge resection on the ear, or 3) patients undergoing Mohs surgery with closure or partial closure or surgical excision on the lower extremity below the knee. Within each category, participants will be randomized into one of two groups: group one will receive a preoperative placebo pill and group two will receive preoperative antibiotic prophylaxis (either a single dose of Cephalexin 2g PO or single dose of Clindamycin hydrochloride 600 mg PO if allergy to penicillin or cephalosporin).

Patients will followed for 30 days +/- 7 after surgery to evaluate for any surgical site infection.

Conditions

  • Surgical Site Infection

Interventions

DRUG

Cephalexin

If randomized to the antibiotic group, a single dose of cephalexin or clindamycin hydrochloride (if concern for previous allergy to Cephalexin) will be given prior to surgery.

OTHER

Placebo capsules

Patients will receive 4 placebo capsules prior to surgery if randomized to placebo group.

Sponsors & Collaborators

  • Carilion Clinic

    lead OTHER

Principal Investigators

  • Mariana Phillips, MD · Carilion Clinic Dermatology and Mohs Surgery

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2020-10-01
Primary Completion
2026-09-30
Completion
2026-09-30
FDA Drug
Yes

Countries

  • United States

Study Locations

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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 NCT04580472 on ClinicalTrials.gov