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Single Dose Versus 24 Hours Antibiotic Prophylaxis in Reduction Mammaplasty

Single Dose Versus 24 Hours Antibiotic Prophylaxis in Reduction Mammaplasty: a Randomized Clinical Trial

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04079686
Enrollment
146
Registered
2019-09-06
Start date
2019-08-04
Completion date
2024-10-28
Last updated
2025-02-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anti-bacterial Agents, Mammaplasty, Plastic Surgery, Prophylaxis, Wound Infection

Brief summary

Setting: Translacional Surgery Graduation Program - Universidade Federal de São Paulo and Hospital das Clínicas Samuel Libânio - Universidade do Vale do Sapucaí. Background: Breast reduction is one of the most performed plastic surgery procedures. Antibiotics are widely prescribed, on an empirical basis, to prevent surgical site infections. However, there is a lack of evidence to support its use. Objective: To compare the influence of the use of prophylatic antibiotics as a single dose or for 24 hours on surgical site infection rates following reduction mammaplasty. Methods: Randomized trial of non-inferiority, with two parallel groups, double blinded. A total of 146 breast hypertrophy patients, with reduction mammaplasty already scheduled, will be enrolled. Patients will be randomly allocated to group A, that will receive antibiotics only at the anesthesia induction (n=73), or to group B, that will receive antibiotics at the anesthesia induction and for 24 hours (n=73). None of the patients will receive antibiotics after hospital discharge. Patients will be followed-up weekly, for 30 days, regarding surgical site infection. The Centers for Disease Control and Prevention criteria will be applied. A statistical analysis of the data will be performed.

Interventions

Patients undergoing reduction mammaplasty will receive 1g of cephazolin intravenously anesthetic induction and postoperatively every 6 hours, for 24 hours.

OTHERSterile saline

Patients undergoing reduction mammaplasty will receive 1g of cephazolin intravenously anesthetic induction and intravenous sterile saline postoperatively, every 6 hours, for 24 hours.

Sponsors

Daniela Francescato Veiga
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
TRIPLE (Subject, Caregiver, Outcomes Assessor)

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 60 Years
Healthy volunteers
No

Inclusion criteria

* 18 and 60 years of age * body mass index (BMI) between 19 and 30 kg/m2 * breast hypertrophy according to the criteria of Sacchini et al. and Franco and Rebello

Exclusion criteria

* patients who had previously undergone another surgical procedure of the breast * patients who have been diagnosed with a breast pathology * smokers * patients who had a child or breastfed within the last year * patients with uncontrolled comorbidities, such as arterial hypertension or diabetes * use of immunosuppressants * patients who had any infection during the follow-up period, requiring the use of antibiotics * patients who present any adverse effects due to the antibiotics during the study * patients who miss follow-up assessments * patients who withdraw their consent at any time

Design outcomes

Primary

MeasureTime frameDescription
Number of patients with surgical site infection (SSI)30 daysPatients will be monitored for the occurrence of SSI once weekly during the first 30 days following hospital discharge by a single surgeon who is blinded to their treatment group. SSI will be evaluated based on the definition adopted by the Centers for Disease Control and Prevention.

Countries

Brazil

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 26, 2026