2023
Prednisone vs Placebo and Live Birth in Patients With Recurrent Implantation Failure Undergoing In Vitro Fertilization
Sun Y, Cui L, Lu Y, Tan J, Dong X, Ni T, Yan J, Guan Y, Hao G, Liu J, Zhang B, Wei D, Hong Y, He Y, Qi J, Xu B, Lu J, Zhang Q, Zhao S, Ji X, Du X, Zhang J, Liu J, Wang J, Huang Y, Huang D, Du Y, Vankelecom H, Zhang H, Chen Z. Prednisone vs Placebo and Live Birth in Patients With Recurrent Implantation Failure Undergoing In Vitro Fertilization. JAMA 2023, 329: 1460-1468. PMID: 37129654, PMCID: PMC10155063, DOI: 10.1001/jama.2023.5302.Peer-Reviewed Original ResearchConceptsRecurrent implantation failureFrozen-thawed embryo transferBiochemical pregnancy lossLive birthsImplant failurePlacebo groupPrednisone groupPreterm deliveryEmbryo transferPregnancy lossRisk of preterm deliveryRates of biochemical pregnancyEmbryo transfer cyclesGood-quality embryosLive birth rateLive birth outcomesTreatment of recurrent implantation failureStatistically significant between-group differencesHistory of 2Randomized clinical trialsProbability of implantationImmune-regulatory agentSignificant between-group differencesNeonatal complicationsWeeks gestation
2016
Fresh versus Frozen Embryos for Infertility in the Polycystic Ovary Syndrome
Chen ZJ, Shi Y, Sun Y, Zhang B, Liang X, Cao Y, Yang J, Liu J, Wei D, Weng N, Tian L, Hao C, Yang D, Zhou F, Shi J, Xu Y, Li J, Yan J, Qin Y, Zhao H, Zhang H, Legro RS. Fresh versus Frozen Embryos for Infertility in the Polycystic Ovary Syndrome. New England Journal Of Medicine 2016, 375: 523-533. PMID: 27509101, DOI: 10.1056/nejmoa1513873.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeOvarian hyperstimulation syndromeFresh embryo transferFrozen embryo transferFrozen-embryo transferOvary syndromeHyperstimulation syndromeLive birthsInfertile womenRate ratioFrozen embryosSignificant between-group differencesFresh embryo groupFirst IVF cycleLive birth rateFirst embryo transferBetween-group differencesNeonatal complicationsIVF cyclesPregnancy complicationsMulticenter trialPrimary outcomeNeonatal deathPregnancy lossHigh risk
2014
Letrozole versus Clomiphene for Infertility in the Polycystic Ovary Syndrome
Legro RS, Brzyski RG, Diamond MP, Coutifaris C, Schlaff WD, Casson P, Christman GM, Huang H, Yan Q, Alvero R, Haisenleder DJ, Barnhart KT, Bates GW, Usadi R, Lucidi S, Baker V, Trussell JC, Krawetz SA, Snyder P, Ohl D, Santoro N, Eisenberg E, Zhang H. Letrozole versus Clomiphene for Infertility in the Polycystic Ovary Syndrome. New England Journal Of Medicine 2014, 371: 119-129. PMID: 25006718, PMCID: PMC4175743, DOI: 10.1056/nejmoa1313517.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeOvary syndromeCongenital anomaliesLive birthsHigh incidenceOvulation rateSignificant between-group differencesCumulative ovulation rateNormal uterine cavityOverall congenital anomaliesBetter pregnancy outcomesPatent fallopian tubesCumulative live birthMajor congenital anomaliesBetween-group differencesYears of ageClomiphene groupLetrozole groupRotterdam criteriaAdverse eventsHot flushesPregnancy outcomesInfertile womenMulticenter trialPrimary outcome