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Serum and Tissue Cefazolin Concentrations in Patients Undergoing Cesarean Delivery

Information source: West Virginia University
ClinicalTrials.gov processed this data on August 20, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Cesarean Delivery; Wound Infection; Obesity

Intervention: cefazolin (Drug); cefazolin (Drug)

Phase: Phase 4

Status: Completed

Sponsored by: Michael Stitely

Official(s) and/or principal investigator(s):
William H Holls, MD, Principal Investigator, Affiliation: West Virginia University
Michael L Stitely, MD, Study Chair, Affiliation: West Virginia University


Patients undergoing Cesarean delivery (C-Section) with a body mass index of 35 or greater (this BMI number is in the obese range) will be given either 2 grams or 4 grams of an antibiotic before surgery. The antibiotic is intended to prevent infection from the surgery. It is unknown what the best dose for large women is for the usual medicine used for this purpose (an antibiotic medicine called cefazolin).Samples of the tissue just under the skin will be biopsied at the time the incision is made and at the time the cut is stitched or stapled closed. A sample of the muscle of the womb will be taken as the womb is stitched closed after the delivery. Blood tests will be done at the start and end of surgery to test the antibiotic level. A blood sample will be taken from the umbilical cord after the baby has been delivered and the umbilical cord has been cut. The umbilical cord blood sample will be tested for the antibiotic level. These tests will be used to find out if the usual dose of medicine is enough or if more medicine is needed to prevent infection in large women undergoing c-sections.

Clinical Details

Official title: Serum and Tissue Cefazolin Concentrations in Patients Undergoing Cesarean Delivery Receiving Two Differing Doses of Pre-operative Cefazolin.

Study design: Allocation: Randomized, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Basic Science

Primary outcome: Cefazolin Levels


Minimum age: 18 Years. Maximum age: N/A. Gender(s): Female.


Inclusion Criteria: 1. Age 18 years or above 2. Body mass index (BMI) of 35 or greater at the time of the first obstetric clinic visit 3. Undergoing cesarean delivery Exclusion Criteria: 1. BMI less than 35. 2. Not undergoing Cesarean delivery. 3. Age less than 18 years. 4. Pre-existing infection. 5. Allergy to cephalosporin medications or a history of an anaphylactic reaction to penicillin. 6. Cesarean delivery being performed under emergent circumstances.

Locations and Contacts

West Virginia University Hospital, Morgantown, West Virginia 26506, United States
Additional Information

Starting date: November 2010
Last updated: June 12, 2013

Page last updated: August 20, 2015

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