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Peri-operative Cefazolin Prophylaxis at Time of Cesarean Delivery in the Obese Gravida

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University of Pittsburgh

Status and phase

Completed
Phase 1

Conditions

Obesity
Pregnancy

Treatments

Drug: Pre-operative cefazolin

Study type

Interventional

Funder types

Other

Identifiers

NCT01904500
PRO13040497

Details and patient eligibility

About

Obesity has become an increasingly prevalent public health problem in the United States, reaching epidemic proportions. According to 2009 CDC epidemiologic data on obesity in the United States, 35.7% of the United States population is considered overweight or obese. Currently, on the review of the literature, over 20% of pregnancies in this country are complicated by maternal obesity. Obesity has been well demonstrated to be correlated with numerous adverse pregnancy outcomes such hypertensive disorders of pregnancy, gestational diabetes, and increased rates of operative delivery. Moreover, obesity, irrespective of pregnancy, has been demonstrated to be an independent risk factor for the development of postoperative surgical site infections. Development of such infections can have both consequential long-term medical sequelae for patients and economic impacts on the health care system at large. Cefazolin, a first generation hydrophilic cephalosporin whose clearance is exclusively mediated via the kidneys unchanged, is used as pre-operative antibiotic prophylaxis for cesarean deliveries. The current accepted standard of care is to administer 2 grams of cefazolin within 60 minutes of skin incision. Studies of drug concentrations of cephalosporins for pre-operative antibiotic prophylaxis in obese bariatric patients have shown that therapeutic concentrations may not be achieved in both tissue and plasma. Limited data exist in pregnancy. Therefore, it is the goal of this study to investigate whether obese patients presenting for cesarean delivery require an increased dosing amount of pre-operative antibiotic prophylaxis. This study will randomized women with a pre-pregnancy body mass index of 30 kg/m2 or more who are presenting for their scheduled cesarean delivery to receive either 2 grams or 3 grams of cefazolin for pre-operative antibiotic prophylaxis. By drawing blood at specific time points in the peri-operative period and extracting adipose tissue samples during cesarean delivery, this study will investigate the pharmacokinetics of cefazolin in both the plasma and tissues of the obese gravida.

Enrollment

26 estimated patients

Sex

Female

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Body mass index (BMI) greater than 30kg/m2
  • Those women having scheduled primary or repeat cesarean delivery

Exclusion criteria

  • Type 1 and Type 2 Insulin Dependent Diabetes Mellitus
  • Autoimmune disease, including systemic lupus erythematosus
  • History of chronic renal disease
  • Those using chronic corticosteroids
  • Those with a history of a previous wound breakdown
  • Those who have an allergy to cephalosporins whose reaction includes anaphylaxis, urticaria or other systemic consequences
  • Those who are unable to receive their antibiotics in a timely fashion

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

26 participants in 2 patient groups

Cefazolin 2 grams
Other group
Treatment:
Drug: Pre-operative cefazolin
Cefazolin 3 grams
Active Comparator group
Treatment:
Drug: Pre-operative cefazolin

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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