{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T00:00:48Z","timestamp":1791158448904,"version":"4.1.0"},"update-to":[{"DOI":"10.1002\/14651858.cd004071.pub2","type":"new_version","label":"New version","source":"publisher","updated":{"date-parts":[[2013,10,31]],"date-time":"2013-10-31T00:00:00Z","timestamp":1383177600000}}],"reference-count":55,"publisher":"Wiley","issue":"10","content-domain":{"domain":["wiley.com","cochranelibrary.com"],"crossmark-restriction":true},"short-container-title":[],"DOI":"10.1002\/14651858.cd004071.pub3","type":"journal-article","created":{"date-parts":[[2013,10,31]],"date-time":"2013-10-31T04:12:21Z","timestamp":1383192741000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":16,"title":["Maintenance therapy with calcium channel blockers for preventing preterm birth after threatened preterm labour"],"prefix":"10.1002","volume":"2013","author":[{"given":"Naguesh","family":"Naik Gaunekar","sequence":"first","affiliation":[{"name":"Mater Medical Centre; Suite 28; 76 Willetts Road Mackay Queensland Australia 4740"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Puvaneswary","family":"Raman","sequence":"additional","affiliation":[{"name":"Women's and Children's Hospital; Women's and Babies' Division; 72 King William Road Adelaide Australia 5006"},{"name":"The University of Adelaide; ARCH: Australian Research Centre for Health of Women and Babies, The Robinson Institute, Discipline of Obstetrics and Gynaecology; Adelaide Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emily","family":"Bain","sequence":"additional","affiliation":[{"name":"The University of Adelaide; ARCH: Australian Research Centre for Health of Women and Babies, The Robinson Institute, Discipline of Obstetrics and Gynaecology; Adelaide Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Caroline A","family":"Crowther","sequence":"additional","affiliation":[{"name":"The University of Adelaide; ARCH: Australian Research Centre for Health of Women and Babies, The Robinson Institute, Discipline of Obstetrics and Gynaecology; Adelaide Australia"},{"name":"The University of Auckland; Liggins Institute; Private Bag 92019 85 Park Road Auckland New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2013,10,31]]},"reference":[{"key":"10.1002\/14651858.CD004071.pub3-BIB0001|cit1","doi-asserted-by":"crossref","first-page":"822","DOI":"10.1016\/S0002-9378(99)70308-X","article-title":"Maintenance oral nifedipine for preterm labor: a randomized clinical trial","volume":"181","author":"Carr","year":"1999","journal-title":"American Journal of Obstetrics and Gynecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0002|cit2","unstructured":"El Sayed YY Nifedipine for the maintenance tocolysis of preterm labor: comparison to placebo in a prospective, randomised, double blind trial (ongoing trial) ClinicalTrials.gov (http:\/\/clinicaltrials.gov\/)"},{"issue":"6 Suppl 1","key":"10.1002\/14651858.CD004071.pub3-BIB0003|cit3","doi-asserted-by":"crossref","first-page":"S6, Abstract no","DOI":"10.1016\/j.ajog.2007.10.012","article-title":"Maintenance nifedipine vs. placebo: a prospective, double blind trial","volume":"197","author":"Lyell","year":"2007","journal-title":"American Journal of Obstetrics and Gynecology"},{"issue":"6","key":"10.1002\/14651858.CD004071.pub3-BIB0004|cit4","doi-asserted-by":"crossref","first-page":"1221","DOI":"10.1097\/AOG.0b013e31818d8386","article-title":"Maintenance nifedipine tocolysis compared with placebo: a randomized controlled trial","volume":"112","author":"Lyell","year":"2008","journal-title":"Obstetrics and Gynecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0006|cit5","unstructured":"Parry E Roos C The NIFTY Study. Personal communication 2013"},{"issue":"Suppl 1","key":"10.1002\/14651858.CD004071.pub3-BIB0005|cit6","doi-asserted-by":"crossref","first-page":"S216","DOI":"10.1016\/j.ajog.2011.10.491","article-title":"The NIFTY study: a multi-centre randomised double blind placebo controlled trial of nifedipine maintenance tocolysis in fetal fibronectin positive women in threatened preterm labour","volume":"206","author":"Parry","year":"2012","journal-title":"American Journal of Obstetrics and Gynecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0007|cit7","doi-asserted-by":"crossref","first-page":"42","DOI":"10.1186\/1471-2393-9-42","article-title":"Assessment of perinatal outcome after sustained tocolysis in early labour (APOSTEL-II trial)","volume":"9","author":"Roos","year":"2009","journal-title":"BMC Pregnancy and Childbirth"},{"issue":"1","key":"10.1002\/14651858.CD004071.pub3-BIB0008|cit8","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1001\/jama.2012.153817","article-title":"Effect of maintenance tocolysis with nifedipine in threatened preterm labor on perinatal outcomes: a randomized controlled trial","volume":"309","author":"Roos","year":"2013","journal-title":"JAMA"},{"issue":"3","key":"10.1002\/14651858.CD004071.pub3-BIB0009|cit9","doi-asserted-by":"crossref","first-page":"220","DOI":"10.1515\/JPM.2004.041","article-title":"Oral nifedipine maintenance therapy after acute intravenous tocolysis in preterm labor","volume":"32","author":"Sayin","year":"2004","journal-title":"Journal of Perinatal Medicine"},{"issue":"Suppl","key":"10.1002\/14651858.CD004071.pub3-BIB0010|cit10","first-page":"35","article-title":"Maintenance nifedipine for tocolysis in preterm labour: a prospective randomised controlled trial","volume":"119","author":"Uma","year":"2012","journal-title":"BJOG An International Journal of Obstetrics and Gynaecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0011|cit11","unstructured":"Bracero LA Leiken E Kirshenbaum N Tejani N Comparison of nifedipine and ritodrine for the treatment of preterm labor Proceedings of 10th Annual Meeting of the Society of Perinatal Obstetricians; 1990 January 23-27 Houston, Texas, USA 1990 77"},{"issue":"6","key":"10.1002\/14651858.CD004071.pub3-BIB0012|cit12","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1055\/s-2007-999417","article-title":"Comparison of nifedipine and ritodrine for the treatment of preterm labor","volume":"8","author":"Bracero","year":"1991","journal-title":"American Journal of Perinatology"},{"issue":"5","key":"10.1002\/14651858.CD004071.pub3-BIB0013|cit13","first-page":"217","article-title":"Diltiazem for maintenance tocolysis of preterm labor: comparison to nifedipine in a randomized trial","volume":"7","author":"El-Sayed","year":"1998","journal-title":"Journal of Maternal-Fetal Medicine"},{"issue":"3","key":"10.1002\/14651858.CD004071.pub3-BIB0014|cit14","doi-asserted-by":"crossref","first-page":"788","DOI":"10.1016\/0002-9378(89)90403-1","article-title":"Cardiovascular and metabolic effects associated with nifedipine and ritodrine tocolysis","volume":"161","author":"Ferguson","year":"1989","journal-title":"American Journal of Obstetrics and Gynecology"},{"issue":"1 Pt 1","key":"10.1002\/14651858.CD004071.pub3-BIB0015|cit15","doi-asserted-by":"crossref","first-page":"105","DOI":"10.1016\/S0002-9378(11)90679-6","article-title":"A comparison of tocolysis with nifedipine or ritodrine: analysis of efficacy and maternal, fetal and neonatal outcome","volume":"163","author":"Ferguson","year":"1990","journal-title":"American Journal of Obstetrics and Gynecology"},{"issue":"3","key":"10.1002\/14651858.CD004071.pub3-BIB0016|cit16","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1159\/000480956","article-title":"Neonatal bilirubin production after preterm labor tocolysis with nifedipine","volume":"12","author":"Ferguson","year":"1989","journal-title":"Developmental Pharmacology Therapeutics"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0017|cit17","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1016\/S0020-7292(98)00053-8","article-title":"A prospective randomized trial of nifedipine vs. ritodrine in threatened preterm labor","volume":"61","author":"Garcia-Velasco","year":"1998","journal-title":"International Journal of Gynaecology and Obstetrics"},{"issue":"4","key":"10.1002\/14651858.CD004071.pub3-BIB0018|cit18","doi-asserted-by":"crossref","first-page":"960","DOI":"10.1016\/0002-9378(93)90035-H","article-title":"Efficacy and safety of nifedipine versus magnesium sulfate in the management of preterm labor: a randomized study","volume":"169","author":"Glock","year":"1993","journal-title":"American Journal of Obstetrics and Gynecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0019|cit19","doi-asserted-by":"crossref","first-page":"375","DOI":"10.1016\/S0002-9378(12)90689-4","article-title":"Efficacy and safety of nifedipine vs magnesium sulfate in the management of preterm labor: a randomized study","volume":"168","author":"Morales","year":"1993","journal-title":"American Journal of Obstetrics and Gynecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0020|cit20","first-page":"478","article-title":"A randomized study of the treatment of threatened premature labor: nifedipine versus ritodrine","volume":"19","author":"Janky","year":"1990","journal-title":"Journal de Gynecologie, Obstetrique et Biologie de la Reproduction (Paris)"},{"issue":"1","key":"10.1002\/14651858.CD004071.pub3-BIB0021|cit21","doi-asserted-by":"crossref","first-page":"11","DOI":"10.1016\/S0301-2115(97)02701-2","article-title":"Nicardipine versus salbutamol in the treatment of premature labor: a prospective randomized study","volume":"73","author":"Jannet","year":"1997","journal-title":"European Journal of Obstetrics, Gynecology, and Reproductive Biology"},{"issue":"2","key":"10.1002\/14651858.CD004071.pub3-BIB0022|cit22","doi-asserted-by":"crossref","first-page":"171","DOI":"10.1016\/S0301-2115(97)00255-8","article-title":"A randomized comparison of nifedipine and ritodrine for suppression of preterm labor","volume":"77","author":"Koks","year":"1998","journal-title":"European Journal of Obstetrics, Gynecology, and Reproductive Biology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0023|cit23","unstructured":"Kuperferminc M Lessing JB Peyser MR A comparative, prospective randomized study of nifedipine vs ritodrine for suppressing preterm labor In: Proceedings of the 39th Annual Meeting of the Society for Gynecologic Investigation; 1992 March 18-21; San Antonio, Texas,1992:335"},{"issue":"12","key":"10.1002\/14651858.CD004071.pub3-BIB0024|cit24","doi-asserted-by":"crossref","first-page":"1090","DOI":"10.1111\/j.1471-0528.1993.tb15171.x","article-title":"Nifedipine versus ritodrine for suppression of preterm labour","volume":"100","author":"Kupferminc","year":"1993","journal-title":"British Journal of Obstetrics and Gynaecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0025|cit25","doi-asserted-by":"crossref","first-page":"1432","DOI":"10.1016\/S0002-9378(99)70388-1","article-title":"Oral nicardipine versus intravenous magnesium sulphate for the treatment of preterm labor","volume":"181","author":"Larmon","year":"1999","journal-title":"American Journal of Obstetrics and Gynecology"},{"issue":"1","key":"10.1002\/14651858.CD004071.pub3-BIB0026|cit26","first-page":"181","article-title":"Oral nicardipine versus intravenous magnesium sulfate for the treatment of preterm labor","volume":"178","author":"Ross","year":"1998","journal-title":"American Journal of Obstetrics and Gynecology"},{"issue":"4","key":"10.1002\/14651858.CD004071.pub3-BIB0027|cit27","first-page":"477","article-title":"Neonatal effects of nifedipine and ritodrine for preterm labor","volume":"95","author":"Papatsonis","year":"2000","journal-title":"Obstetrics and Gynecology"},{"issue":"2","key":"10.1002\/14651858.CD004071.pub3-BIB0028|cit28","doi-asserted-by":"crossref","first-page":"230","DOI":"10.1016\/S0029-7844(97)00182-8","article-title":"Nifedipine and ritodrine in the management of preterm labor: a randomized multicenter trial","volume":"90","author":"Papatsonis","year":"1997","journal-title":"Obstetrics and Gynecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0029|cit29","first-page":"306","article-title":"Tocolytic efficacy of nifedipine versus ritodrine: results of a randomized trial","volume":"174","author":"Papatsonis","year":"1996","journal-title":"American Journal of Obstetrics and Gynecology"},{"issue":"1","key":"10.1002\/14651858.CD004071.pub3-BIB0030|cit30","doi-asserted-by":"crossref","first-page":"S117","DOI":"10.1016\/S0002-9378(97)80465-6","article-title":"Neonatal morbidity after randomised trial comparing nifedipine with ritodrine in the management of preterm labour","volume":"176","author":"Papatsonis","year":"1997","journal-title":"American Journal of Obstetrics and Gynecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0031|cit31","unstructured":"Papatsonis DNM Kok JH van Geijn HP Bleker OP Ader HJ Dekker GA Neonatal effects of nifedipine and ritodrine in the management of preterm labour In: Proceedings of the 5th Annual Congress of the Perinatal Society of Australia and New Zealand; 2001 March 13-16; Canberra, ACT, 2001:100"},{"issue":"2","key":"10.1002\/14651858.CD004071.pub3-BIB0032|cit32","doi-asserted-by":"crossref","first-page":"513","DOI":"10.1067\/mob.2000.105047","article-title":"Nifedipine as a safe and effective tocolytic agent in the treatment of preterm labor [letter]","volume":"183","author":"Papatsonis","year":"2000","journal-title":"American Journal of Obstetrics and Gynecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0033|cit33","unstructured":"Papatsonis DNM van Geijn HP Kok JH Ader JH Dekker GA Adjuvant use of indomethacin for preterm labor: is it safe to use? In: Proceedings of the 5th Annual Congress of the Perinatal Society of Australia and New Zealand; 2001 March 13-16; Canberra, ACT, 2001:296"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0034|cit34","doi-asserted-by":"crossref","first-page":"1113","DOI":"10.1067\/mob.2000.105386","article-title":"Outcomes of extremely low-birth-weight infants between 500 and 750 g","volume":"182","author":"Agustines","year":"2000","journal-title":"American Journal of Obstetrics and Gynecology"},{"issue":"6","key":"10.1002\/14651858.CD004071.pub3-BIB0035|cit35","doi-asserted-by":"crossref","first-page":"1648","DOI":"10.1067\/mob.2003.356","article-title":"Tocolytic treatment for the management of preterm labor: a review of the evidence","volume":"188","author":"Berkman","year":"2003","journal-title":"American Journal of Obstetrics and Gynecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0036|cit36","unstructured":"Clarke M Oxman AD (editors) Cochrane Reviewers' Handbook 4.2.0 [updated March 2003] In: The Cochrane Library 2003, Issue 3. Oxford:Update Software"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0037|cit37","unstructured":"Clarke M Oxman AD editors Assessment of Study Quality. Cochrane Reviewers' Handbook 4.1.5. Section 6 In: The Cochrane Library 2003, Issue 2. Oxford: Update Software"},{"issue":"12","key":"10.1002\/14651858.CD004071.pub3-BIB0038|cit38","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD003927.pub3","article-title":"Oral betamimetics for maintenance therapy after threatened preterm labour","author":"Dodd","year":"2012","journal-title":"Cochrane Database of Systematic Reviews"},{"issue":"5","key":"10.1002\/14651858.CD004071.pub3-BIB0039|cit39","doi-asserted-by":"crossref","first-page":"264","DOI":"10.1053\/sper.2001.27165","article-title":"Calcium channel blockers as tocolytics","volume":"25","author":"Economy","year":"2001","journal-title":"Seminars in Perinatology"},{"issue":"5 Pt 2","key":"10.1002\/14651858.CD004071.pub3-BIB0040|cit40","first-page":"869","article-title":"Tocolytics for preterm labor: a systematic review","volume":"94","author":"Gyetvai","year":"1999","journal-title":"Obstetrics and Gynecology"},{"issue":"5","key":"10.1002\/14651858.CD004071.pub3-BIB0041|cit41","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD000940.pub2","article-title":"Magnesium maintenance therapy for preventing preterm birth after threatened preterm labour","author":"Han","year":"2013","journal-title":"Cochrane Database of Systematic Reviews"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0042|cit42","doi-asserted-by":"crossref","first-page":"1003","DOI":"10.1016\/S0002-9378(87)80104-7","article-title":"Nifedipine: effects on fetal and maternal hemodynamics in pregnant sheep","volume":"157","author":"Harake","year":"1987","journal-title":"American Journal of Obstetrics and Gynecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0043|cit43","unstructured":"Higgins JPT Green S Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 [updated March 2011]. The Cochrane Collaboration, 2011 Available from www.cochrane-handbook.org"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0044|cit44","doi-asserted-by":"crossref","first-page":"1715","DOI":"10.1136\/bmj.306.6894.1715","article-title":"Functional abilities at age 4 years of children born before 29 weeks gestation","volume":"306","author":"Johnson","year":"1993","journal-title":"BMJ"},{"issue":"1","key":"10.1002\/14651858.CD004071.pub3-BIB0045|cit45","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD002255","article-title":"Calcium channel blockers for inhibiting preterm labour","author":"King","year":"2003","journal-title":"Cochrane Database of Systematic Reviews"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0046|cit46","doi-asserted-by":"crossref","first-page":"162","DOI":"10.1111\/j.1471-0528.1998.tb10046.x","article-title":"Outcome of very preterm small for gestational age infants: the first nine years of life","volume":"105","author":"Kok","year":"1998","journal-title":"British Journal of Obstetrics and Gynaecology"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0047|cit47","first-page":"177","article-title":"Value of maintenance therapy with oral tocolytics: a systematic review","volume":"8","author":"Meirowitz","year":"1999","journal-title":"Journal of Maternal-Fetal Medicine"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0048|cit48","first-page":"649","article-title":"Nifedipine versus ritodrine for suppressing preterm labour","volume":"35","author":"Meyer","year":"1990","journal-title":"Journal of Reproductive Medicine"},{"issue":"4","key":"10.1002\/14651858.CD004071.pub3-BIB0049|cit49","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD003933","article-title":"Terbutaline pump maintenance therapy after threatened preterm labor for preventing preterm birth","author":"Nanda","year":"2002","journal-title":"Cochrane Database of Systematic Reviews"},{"issue":"1","key":"10.1002\/14651858.CD004071.pub3-BIB0050|cit50","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD005938.pub2","article-title":"Maintenance therapy with oxytocin antagonists for inhibiting preterm birth after threatened preterm labour","author":"Papatsonis","year":"2009","journal-title":"Cochrane Database of Systematic Reviews"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0051|cit51","unstructured":"The Cochrane Collaboration Review Manager (RevMan) [Computer program]. Version 4.2 for Windows 2003"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0052|cit52","unstructured":"The Nordic Cochrane Centre, The Cochrane Collaboration Review Manager (RevMan) 2012"},{"issue":"3","key":"10.1002\/14651858.CD004071.pub3-BIB0053|cit53","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD004454.pub2","article-title":"Antenatal corticosteroids for accelerating fetal lung maturation for women at risk of preterm birth","author":"Roberts","year":"2006","journal-title":"Cochrane Database of Systematic Reviews"},{"key":"10.1002\/14651858.CD004071.pub3-BIB0054|cit54","doi-asserted-by":"crossref","first-page":"484","DOI":"10.1016\/S0002-9378(99)70582-X","article-title":"Efficacy of maintenance therapy after acute tocolysis: a meta-analysis","volume":"181","author":"Sanchez-Ramos","year":"1999","journal-title":"American Journal of Obstetrics and Gynecology"},{"issue":"3","key":"10.1002\/14651858.CD004071.pub3-BIB0055|cit55","doi-asserted-by":"publisher","DOI":"10.1002\/14651858.CD004071.pub2","article-title":"Maintenance therapy with calcium channel blockers for preventing preterm birth after threatened preterm labour","author":"Gaunekar","year":"2004","journal-title":"Cochrane Database of Systematic Reviews"}],"container-title":["Cochrane Database of Systematic Reviews"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full\/10.1002\/14651858.CD004071.pub3","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,12,30]],"date-time":"2024-12-30T06:32:18Z","timestamp":1735540338000},"score":1,"resource":{"primary":{"URL":"http:\/\/doi.wiley.com\/10.1002\/14651858.CD004071.pub3"}},"subtitle":[],"editor":[{"name":"Cochrane Pregnancy and Childbirth Group","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"editor"}]}],"short-title":[],"issued":{"date-parts":[[2013,10,31]]},"references-count":55,"journal-issue":{"issue":"10","published-online":{"date-parts":[[2013,10]]}},"URL":"https:\/\/doi.org\/10.1002\/14651858.cd004071.pub3","relation":{},"ISSN":["1465-1858"],"issn-type":[{"value":"1465-1858","type":"electronic"}],"subject":[],"published":{"date-parts":[[2013,10,31]]}}}