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Sponsored by: |
State University of New York - Upstate Medical University |
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Information provided by: | State University of New York - Upstate Medical University |
ClinicalTrials.gov Identifier: | NCT00620984 |
Lactation (breastfeeding) mastitis is an acute infection of the milk ducts of the breastfeeding woman. Staphylococcus aureus (S. aureus) is the infectious germ most commonly associated with lactation mastitis. Twenty percent of the general population are carriers of Staphylococcus aureus, which means that they carry the infectious germ but do not become ill from it. It has been suggested that mothers who are carriers of S. aureus in their nostril may be at an increased risk of developing lactational mastitis, however; this has not been clinical proven.
We are studying the relationship between S. aureus carrier status of breastfeeding mothers and infants and the risk of developing lactational mastitis. Additionally, we are collecting questionnaire data in an attempt to better define factors predisposing women to lactation mastitis.
Condition |
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Mastitis Staphylococcus Aureus Staphylococcal Infections |
Study Type: | Observational |
Study Design: | Cohort, Prospective |
Official Title: | Staphylococcus Aureus Carrier Status in Breastfeeding Mothers and Infants and the Risk of Lactation Mastitis: A Large Prospective Study |
Estimated Enrollment: | 500 |
Study Start Date: | August 2006 |
Estimated Study Completion Date: | December 2009 |
Estimated Primary Completion Date: | July 2009 (Final data collection date for primary outcome measure) |
Lactation mastitis is an acute inflammation of the interlobular connective tissue within the mammary gland of a breastfeeding woman. It is a relatively common condition that causes pain and worry, and can lead to restriction in activity and increased risk of early weaning from breastfeeding. Staphylococcus aureus is the infectious agent most commonly implicated in lactation mastitis.
It is well established that the anterior nares are the primary reservoir of S. aureus in humans and that approximately 20% of healthy individuals are "persistent carriers" of the organism. Carriage of Staphylococcus aureus has been identified as a significant risk factor for the development of infection including surgical wound infections. It has been suggested that maternal and infant nasal carriage of S. aureus may be associated with an increased risk of breast infection during lactation.
We propose to prospectively study the relationship between the S. aureus carrier status of 500 healthy breastfeeding dyads and the rate of the subsequent development of lactational mastitis. Carrier status of mothers and infants will be determined through two nasal swabbings performed in the early post-partum period. The swabs will be analyzed with both traditional culture and through Polymerase chain reaction (PCR) amplification analysis. Mastitis rate will be determined via serial follow-up telephone interviews during the first two months post-partum.
Ages Eligible for Study: | 18 Years and older |
Genders Eligible for Study: | Female |
Accepts Healthy Volunteers: | No |
Sampling Method: | Probability Sample |
We will be enrolling 500 dyads (mother and newborn infant pairs) into the study over approximately a three year period. Mothers will be age 18 years or older.
Inclusion Criteria:
Exclusion Criteria:
United States, New York | |
SUNY Upstate Medical University | Recruiting |
Syracuse, New York, United States, 13210 | |
Contact: Linda J Ellinwood, RN, BSN 315-464-2197 ellinwol@upstate.edu | |
Contact: Linda Veit 315-464-6303 veitl@upstate.edu | |
Principal Investigator: Jayne Charlamb, MD, IBCLC | |
Sub-Investigator: Deanna Kiska, PhD, DABMM | |
Sub-Investigator: Scott Riddel, PhD |
Principal Investigator: | Jayne R Charlamb, MD, IBCLC | State University of New York - Upstate Medical University |
Responsible Party: | SUNY Upstate Medical University ( Jayne Charlamb, MD, IBCLC ) |
Study ID Numbers: | 5395 |
Study First Received: | February 13, 2008 |
Last Updated: | December 3, 2008 |
ClinicalTrials.gov Identifier: | NCT00620984 |
Health Authority: | United States: Institutional Review Board |
Staphylococcus aureus Breastfeeding Lactational Mastitis |
Polymerase Chain Reaction (PCR) amplification analysis staphyloccal infections Staphyloccal Carrier State |
Bacterial Infections Staphylococcal Infections Gram-Positive Bacterial Infections Pregnancy Complications |
Skin Diseases Puerperal Disorders Mastitis Breast Diseases |
Infection |