Miscarriage, Recurrent Clinical Trial
Official title:
A Randomized, Controlled Trial of Cyclosporin A for Women With Unexplained Recurrent Miscarriage
The purpose of this study is to determine whether Cyclosporin A (CsA) - an immunosuppressant drug - in early pregnancy will reduce the risk of miscarriage in women who had a history of unexplained recurrent miscarriages, as compared with that treated with Dydrogesterone-an active comparator. The hypothesis is based on the evidence found in vitro and in vivo experiments that CsA can induce maternal-fetal tolerance so that it may reduce the risk of miscarriage.
Status | Not yet recruiting |
Enrollment | 384 |
Est. completion date | December 2018 |
Est. primary completion date | February 2018 |
Accepts healthy volunteers | No |
Gender | Female |
Age group | 20 Years to 40 Years |
Eligibility |
Inclusion Criteria: - Both the woman and her husband agree to participate and sign the informed consent form. - Have a history of two or more unexplained recurrent miscarriages. - Spontaneous conception. - Gestational age less than 5 weeks. - Have a normal menstrual cycle (>=23 and <=35 days) and biphasic pattern of basal body temperature before pregnancy. - No significant chromosomal aberrations in the couple. - Semen quality tests show not apparent abnormalities in husband Exclusion Criteria: - Age below 18 or above 41 years at conception. - Present pregnancy is a result of donor insemination or egg donation. - Significant uterine anomalies detected by ultrasonography, hysterosalpingography, or hysteroscopy. - Contraindications of CsA (e.g. severe infectious diseases, tumor or immunodeficiency) or Dydrogesterone. - Smoking more than 20 daily. |
Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Country | Name | City | State |
---|---|---|---|
China | Obstetrics and Gynecology Hospital of Fudan University | Shanghai |
Lead Sponsor | Collaborator |
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Fudan University |
China,
Du MR, Dong L, Zhou WH, Yan FT, Li DJ. Cyclosporin a improves pregnancy outcome by promoting functions of trophoblasts and inducing maternal tolerance to the allogeneic fetus in abortion-prone matings in the mouse. Biol Reprod. 2007 May;76(5):906-14. Epub 2007 Jan 17. — View Citation
Du MR, Zhou WH, Dong L, Zhu XY, He YY, Yang JY, Li DJ. Cyclosporin A promotes growth and invasiveness in vitro of human first-trimester trophoblast cells via MAPK3/MAPK1-mediated AP1 and Ca2+/calcineurin/NFAT signaling pathways. Biol Reprod. 2008 Jun;78(6):1102-10. doi: 10.1095/biolreprod.107.063503. Epub 2008 Mar 5. — View Citation
Du MR, Zhou WH, Piao HL, Li MQ, Tang CL, Li DJ. Cyclosporin A promotes crosstalk between human cytotrophoblast and decidual stromal cell through up-regulating CXCL12/CXCR4 interaction. Hum Reprod. 2012 Jul;27(7):1955-65. doi: 10.1093/humrep/des111. Epub 2012 Apr 11. — View Citation
Du MR, Zhou WH, Yan FT, Zhu XY, He YY, Yang JY, Li DJ. Cyclosporine A induces titin expression via MAPK/ERK signalling and improves proliferative and invasive potential of human trophoblast cells. Hum Reprod. 2007 Sep;22(9):2528-37. Epub 2007 Jul 18. — View Citation
Huang YH, Ma YL, Ma L, Mao JL, Zhang Y, Du MR, Li DJ. Cyclosporine A improves adhesion and invasion of mouse preimplantation embryos via upregulating integrin ß3 and matrix metalloproteinase-9. Int J Clin Exp Pathol. 2014 Mar 15;7(4):1379-88. eCollection 2014. — View Citation
Piao HL, Wang SC, Tao Y, Zhu R, Sun C, Fu Q, Du MR, Li DJ. Cyclosporine A enhances Th2 bias at the maternal-fetal interface in early human pregnancy with aid of the interaction between maternal and fetal cells. PLoS One. 2012;7(9):e45275. doi: 10.1371/journal.pone.0045275. Epub 2012 Sep 27. — View Citation
Tang CL, Zhao HB, Li MQ, Du MR, Meng YH, Li DJ. Focal adhesion kinase signaling is necessary for the Cyclosporin A-enhanced migration and invasion of human trophoblast cells. Placenta. 2012 Sep;33(9):704-11. doi: 10.1016/j.placenta.2012.06.007. Epub 2012 Jul 4. — View Citation
Wang SC, Tang ChL, Piao HL, Zhu R, Sun Ch, Tao Y, Fu Q, Li DJ, Du MR. Cyclosporine A promotes in vitro migration of human first-trimester trophoblasts via MAPK/ERK1/2-mediated NF-?B and Ca2+/calcineurin/NFAT signaling. Placenta. 2013 Apr;34(4):374-80. doi: 10.1016/j.placenta.2013.01.009. Epub 2013 Feb 11. — View Citation
Wang SC, Yu M, Li YH, Piao HL, Tang CL, Sun C, Zhu R, Li MQ, Jin LP, Li DJ, Du MR. Cyclosporin A promotes proliferating cell nuclear antigen expression and migration of human cytotrophoblast cells via the mitgen-activated protein kinase-3/1-mediated nuclear factor-?B signaling pathways. Int J Clin Exp Pathol. 2013 Sep 15;6(10):1999-2010. eCollection 2013. — View Citation
Zhao HB, Tang CL, Hou YL, Xue LR, Li MQ, Du MR, Li DJ. CXCL12/CXCR4 axis triggers the activation of EGF receptor and ERK signaling pathway in CsA-induced proliferation of human trophoblast cells. PLoS One. 2012;7(7):e38375. doi: 10.1371/journal.pone.0038375. Epub 2012 Jul 27. — View Citation
Zhou WH, Dong L, Du MR, Zhu XY, Li DJ. Cyclosporin A improves murine pregnancy outcome in abortion-prone matings: involvement of CD80/86 and CD28/CTLA-4. Reproduction. 2008 Mar;135(3):385-95. doi: 10.1530/REP-07-0063. — View Citation
Zhou WH, Du MR, Dong L, Zhu XY, Yang JY, He YY, Li DJ. Cyclosporin A increases expression of matrix metalloproteinase 9 and 2 and invasiveness in vitro of the first-trimester human trophoblast cells via the mitogen-activated protein kinase pathway. Hum Reprod. 2007 Oct;22(10):2743-50. Epub 2007 Jun 12. — View Citation
* Note: There are 12 references in all — Click here to view all references
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Live birth rate | The difference in the live birth rates between patients with recurrent miscarriage assigned oral CsA and Dydrogesterone. | Up to 36 months | No |
Secondary | The difference in the rate of miscarriage between patients with recurrent miscarriage treated with CsA and Dydrogesterone. | The difference in the rates of miscarriage (pregnancy loss before 20 weeks gestation) between patients assigned oral CsA and Dydrogesterone. | Up to 36 months | No |
Secondary | Fetal death | The difference in the rates of fetal death (fetal death after 20 weeks of gestational age) between patients assigned oral CsA and Dydrogesterone. | Up to 36 months | No |
Secondary | The difference in the rate of premature delivery between patients treated with CsA and Dydrogesterone. | The difference in the rates of premature delivery (deliveries with gestational age less than 37 weeks) between patients assigned oral CsA and Dydrogesterone. | Up to 36 months | Yes |
Secondary | Congenital malformations | The difference in the rates of congenital malformations between patients assigned oral CsA and Dydrogesterone. | Up to 36 months | Yes |
Secondary | Maternal outcomes: morbidity of infectious disease | The difference of morbidity of infectious disease in pregnancy between two arms. | Up to 36 months | Yes |
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