Azithromycin Versus Erythromycin For Preterm Prelabor Rupture of Membranes

Summary

Aim 1. To examine the latency period according to antibiotic regimens (erythromycin iv for two days followed by orally for 5 days vs. azithromycin iv for 2 days followed by 5 days orally). Aim 2. To examine the latency period according to races stratified by antibiotic regimens. Aim 3: To examine if there is a difference in neonatal morbidity and mortality stratified by antibiotic regimen.

Timeline

Start

2022-05-01

Primary completion

2025-05-01

Completion

2025-07-01

Publications

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• Background Boghossian NS, Geraci M, Lorch SA, Phibbs CS, Edwards EM, Horbar JD. Racial and Ethnic Differences Over Time in Outcomes of Infants Born Less Than 30 Weeks' Gestation. Pediatrics. 2019 Sep;144(3):e20191106. doi: 10.1542/peds.2019-1106. Epub 2019 Aug 12.
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• Background Prelabor Rupture of Membranes: ACOG Practice Bulletin, Number 217. Obstet Gynecol. 2020 Mar;135(3):e80-e97. doi: 10.1097/AOG.0000000000003700.
• Background Mercer BM, Moretti ML, Prevost RR, Sibai BM. Erythromycin therapy in preterm premature rupture of the membranes: a prospective, randomized trial of 220 patients. Am J Obstet Gynecol. 1992 Mar;166(3):794-802. doi: 10.1016/0002-9378(92)91336-9.
• Background Mercer BM, Miodovnik M, Thurnau GR, Goldenberg RL, Das AF, Ramsey RD, Rabello YA, Meis PJ, Moawad AH, Iams JD, Van Dorsten JP, Paul RH, Bottoms SF, Merenstein G, Thom EA, Roberts JM, McNellis D. Antibiotic therapy for reduction of infant morbidity after preterm premature rupture of the membranes. A randomized controlled trial. National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network. JAMA. 1997 Sep 24;278(12):989-95.
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• Background Navathe R, Schoen CN, Heidari P, Bachilova S, Ward A, Tepper J, Visintainer P, Hoffman MK, Smith S, Berghella V, Roman A. Azithromycin vs erythromycin for the management of preterm premature rupture of membranes. Am J Obstet Gynecol. 2019 Aug;221(2):144.e1-144.e8. doi: 10.1016/j.ajog.2019.03.009. Epub 2019 Mar 20.
• Background Finneran MM, Appiagyei A, Templin M, Mertz H. Comparison of Azithromycin versus Erythromycin for Prolongation of Latency in Pregnancies Complicated by Preterm Premature Rupture of Membranes. Am J Perinatol. 2017 Sep;34(11):1102-1107. doi: 10.1055/s-0037-1603915. Epub 2017 Jun 21. No abstract available.
• Background Pierson RC, Gordon SS, Haas DM. A retrospective comparison of antibiotic regimens for preterm premature rupture of membranes. Obstet Gynecol. 2014 Sep;124(3):515-519. doi: 10.1097/AOG.0000000000000426.
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• Background Kumar D, Moore RM, Mercer BM, Mansour JM, Redline RW, Moore JJ. The physiology of fetal membrane weakening and rupture: Insights gained from the determination of physical properties revisited. Placenta. 2016 Jun;42:59-73. doi: 10.1016/j.placenta.2016.03.015. Epub 2016 Apr 1.

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