Overview Nifedipine for Acute Tocolysis of Preterm Labor Status: Completed Trial end date: 2018-10-29 Target enrollment: Participant gender: Summary The purpose of this study is to determine if nifedipine treatment of women in preterm labor receiving corticosteroids results in postponement of delivery when compared to placebo. Phase: Phase 3 Details Lead Sponsor: University of Texas Southwestern Medical CenterTreatments: Nifedipine