Prenatal Steroids for Treatment of Congenital Cystic Adenomatoid Malformations (CCAM)

Summary

Congenital cystic adenomatoid malformations (CCAMs) are theorized to be growing immature lung tissue. Administration of maternal steroids in the mid-trimester may stop the growth or decrease the size of the CCAM, thus increasing normal lung tissue and improving survival in fetuses with large CCAMs. This is a prospective, blinded, randomized trial comparing administration of a single course of antenatal steroids (Betamethasone) to control (i.e., placebo). The primary outcome variable will be incidence of hydrops. One month postnatal survival and relative size of the CCAM as determined by CCAM volume:head circumference ratio (CVR) between treatment/no treatment groups will be secondary outcome variables. Change in size of CCAM will be serially followed for both groups with individual growth curves being plotted prenatally and these will be compared with pathology weigh and volume to evaluate treatment effect. Other prenatal data collected will include: incidence of polyhydramnios, incidence of premature rupture of membranes, incidence of material complications. We will also compare mode of delivery, postnatal respiratory compromise, need for resection in the first week of life, and occurrence of complications during newborn administration

Timeline

Start

2008-04

Primary completion

2011-09

Completion

2011-09

Publications

• Background Vu L, Tsao K, Lee H, Nobuhara K, Farmer D, Harrison M, Goldstein RB. Characteristics of congenital cystic adenomatoid malformations associated with nonimmune hydrops and outcome. J Pediatr Surg. 2007 Aug;42(8):1351-6. doi: 10.1016/j.jpedsurg.2007.03.039.
• Background Schumacher A, Sidor J, Buhling KJ. [Continuous glucose monitoring using the glucose sensor CGMS in metabolically normal pregnant women during betamethasone therapy for fetal respiratory distress syndrome]. Z Geburtshilfe Neonatol. 2006 Oct;210(5):184-90. doi: 10.1055/s-2006-951743. German.
• Background Peltoniemi OM, Kari MA, Tammela O, Lehtonen L, Marttila R, Halmesmaki E, Jouppila P, Hallman M; Repeat Antenatal Betamethasone Study Group. Randomized trial of a single repeat dose of prenatal betamethasone treatment in imminent preterm birth. Pediatrics. 2007 Feb;119(2):290-8. doi: 10.1542/peds.2006-1549.
• Background Roberts D, Dalziel S. Antenatal corticosteroids for accelerating fetal lung maturation for women at risk of preterm birth. Cochrane Database Syst Rev. 2006 Jul 19;(3):CD004454. doi: 10.1002/14651858.CD004454.pub2.
• Background Neilson JP. Antenatal corticosteroids for accelerating fetal lung maturation for women at risk of preterm birth. Obstet Gynecol. 2007 Jan;109(1):189-90. doi: 10.1097/01.aog.0000251610.51286.b1. No abstract available.
• Background Tsao K, Hawgood S, Vu L, Hirose S, Sydorak R, Albanese CT, Farmer DL, Harrison MR, Lee H. Resolution of hydrops fetalis in congenital cystic adenomatoid malformation after prenatal steroid therapy. J Pediatr Surg. 2003 Mar;38(3):508-10. doi: 10.1053/jpsu.2003.50089.
• Background Arca MJ, Teich S. Current controversies in perinatal care: fetal versus neonatal surgery. Clin Perinatol. 2004 Sep;31(3):629-48. doi: 10.1016/j.clp.2004.03.016.
• Background Wilson RD, Baxter JK, Johnson MP, King M, Kasperski S, Crombleholme TM, Flake AW, Hedrick HL, Howell LJ, Adzick NS. Thoracoamniotic shunts: fetal treatment of pleural effusions and congenital cystic adenomatoid malformations. Fetal Diagn Ther. 2004 Sep-Oct;19(5):413-20. doi: 10.1159/000078994.
• Background Knox EM, Kilby MD, Martin WL, Khan KS. In-utero pulmonary drainage in the management of primary hydrothorax and congenital cystic lung lesion: a systematic review. Ultrasound Obstet Gynecol. 2006 Oct;28(5):726-34. doi: 10.1002/uog.3812.
• Background Davenport M, Warne SA, Cacciaguerra S, Patel S, Greenough A, Nicolaides K. Current outcome of antenally diagnosed cystic lung disease. J Pediatr Surg. 2004 Apr;39(4):549-56. doi: 10.1016/j.jpedsurg.2003.12.021.
• Background Miller JA, Corteville JE, Langer JC. Congenital cystic adenomatoid malformation in the fetus: natural history and predictors of outcome. J Pediatr Surg. 1996 Jun;31(6):805-8. doi: 10.1016/s0022-3468(96)90138-4.

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