# The Impact of an Antibiotic (Cefazolin) Before Surgery on the Microbiome in Patients With Stage I-II Melanoma

> **NCT04875728** · PHASE1 · ACTIVE_NOT_RECRUITING · sponsor: **M.D. Anderson Cancer Center** · enrollment: 20 (estimated)

## Conditions studied

- Clinical Stage I Cutaneous Melanoma AJCC v8
- Clinical Stage IA Cutaneous Melanoma AJCC v8
- Clinical Stage IB Cutaneous Melanoma AJCC v8
- Clinical Stage II Cutaneous Melanoma AJCC v8
- Clinical Stage IIA Cutaneous Melanoma AJCC v8
- Clinical Stage IIB Cutaneous Melanoma AJCC v8
- Clinical Stage IIC Cutaneous Melanoma AJCC v8
- Pathologic Stage I Cutaneous Melanoma AJCC v8
- Pathologic Stage IA Cutaneous Melanoma AJCC v8
- Pathologic Stage IB Cutaneous Melanoma AJCC v8
- Pathologic Stage II Cutaneous Melanoma AJCC v8
- Pathologic Stage IIA Cutaneous Melanoma AJCC v8
- Pathologic Stage IIB Cutaneous Melanoma AJCC v8
- Pathologic Stage IIC Cutaneous Melanoma AJCC v8

## Interventions

- **DRUG:** Cefazolin
- **PROCEDURE:** Resection

## Key facts

- **NCT ID:** NCT04875728
- **Lead sponsor:** M.D. Anderson Cancer Center
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2020-09-08
- **Primary completion:** 2027-02-02
- **Final completion:** 2027-02-02
- **Target enrollment:** 20 (ESTIMATED)
- **Last updated:** 2025-11-17

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04875728

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04875728, "The Impact of an Antibiotic (Cefazolin) Before Surgery on the Microbiome in Patients With Stage I-II Melanoma". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04875728. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
