- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT03602625
Risk Factors of Preterm Birth Born in Hospital:a Prospective Multicenter Case-control Study (RFPTB)
24. marts 2019 opdateret af: Children's Hospital of Fudan University
The purpose of this study is to explore the perinatal risk factors of preterm birth in China.
Studieoversigt
Status
Afsluttet
Betingelser
Detaljeret beskrivelse
Preterm birth is a global scourge, and the leading cause of newborn deaths (babies in the first 4 weeks of life) and raised to the leading cause of death among children under 5 years of age, responsible for approximately 1 million deaths in 2015.
In China, the prevalence of preterm increased from 4~5% in 1990s to 7~10% in 2010.
Preterm birth become a burden to both the family and society.
Therefore, the risk factors of preterm birth become the critical issue of both Obstetrics and Neonatology.
More importantly, few multicenter prospective studies on risk factors of preterm birth included potential reasons such as maternal occupation, psychology condition and lifestyles during pregnancy were conducted in China.
Thus, the aim of our study is to explore the perinatal risk factors of preterm birth nowadays in China.
Undersøgelsestype
Observationel
Tilmelding (Faktiske)
6000
Kontakter og lokationer
Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.
Studiesteder
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Fujian
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Xiamen, Fujian, Kina, 361000
- Xiamen Maternal and Child Health Care Hospital
-
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Guangdong
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Guangzhou, Guangdong, Kina, 510260
- The Second Affiliated Hospital of Guangzhou Medical University
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Hainan
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Haikou, Hainan, Kina, 570206
- The Maternal and Child Health Hospital of Hainan Province
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Henan
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Zhengzhou, Henan, Kina, 450052
- The First Affiliated Hospital of Zhengzhou University
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Jiangsu
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Changzhou, Jiangsu, Kina, 213003
- Changzhou Maternal And Child Health Care Hospital
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Nanjing, Jiangsu, Kina, 210029
- Jiangsu Province Hospital
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Ningxia
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Wuzhong, Ningxia, Kina, 751300
- Tongxin County People's Hospital
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Yingchuan, Ningxia, Kina, 750001
- The First People's Hospital of Yinchuan
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Shandong
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Binzhou, Shandong, Kina, 256603
- Binzhou Medical University Hospital
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Jining, Shandong, Kina, 272011
- Jining No.1 People's Hospital
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Qingdao, Shandong, Kina, 266003
- Affiliated Hospital of Qingdao University
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Qingdao, Shandong, Kina, 266200
- Qingdao Jimo People's Hospital
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Shanghai
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Shanghai, Shanghai, Kina, 200011
- Obstetrics and Gynecology Hospital of Fudan University
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Shanghai, Shanghai, Kina, 201620
- Songjiang Maternity & Child Health Hospital of Shanghai
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Zhejiang
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Wenzhou, Zhejiang, Kina, 325600
- Yueqing Hospital Affiliated to Wenzhou Medical University
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-
Deltagelseskriterier
Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.
Berettigelseskriterier
Aldre berettiget til at studere
Ikke ældre end 4 uger (Barn)
Tager imod sunde frivillige
Ja
Køn, der er berettiget til at studere
Alle
Prøveudtagningsmetode
Sandsynlighedsprøve
Studiebefolkning
Live-born preterm infants and one term infants born following the preterm infants in the same cooperation hospitals
Beskrivelse
Inclusion Criteria:
- Live-born infants >20weeks of gestational age
Exclusion Criteria:
- Stillbirth
Studieplan
Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Kohorter og interventioner
Gruppe / kohorte |
|---|
|
Preterm group
All the live-born infants with gestational age less than 37weeks and more than 20weeks born in the cooperative hospital every day or every two or three days.
|
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Term group
The one next-live-born infants with gestational age at 37weeks or more than 37weeks.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
live-born preterm
Tidsramme: at birth
|
less than 37weeks gestational age
|
at birth
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
birth weight (g)
Tidsramme: at birth
|
Infant's weight recorded at the time of birth
|
at birth
|
|
gestation age (week)
Tidsramme: at birth
|
the number of completed weeks of gestation, which was determined by the duration of menorrhoea or confirmed by an early ultrasound scan during pregnancy
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at birth
|
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Apgar score
Tidsramme: 1min after birth
|
determined by evaluating the newborn baby on five simple criteria(Appearance, Pulse, Grimace, Activity, Respiration) on a scale from zero to two, then summing up the five values thus obtained.
The resulting Apgar score ranges from zero to 10.
|
1min after birth
|
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Apgar score
Tidsramme: 5min after birth
|
determined by evaluating the newborn baby on five simple criteria(Appearance, Pulse, Grimace, Activity, Respiration) on a scale from zero to two, then summing up the five values thus obtained.
The resulting Apgar score ranges from zero to 10.
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5min after birth
|
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small for gestational age
Tidsramme: at birth
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a birth weight below the 10th percentile for the gestational age
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at birth
|
Samarbejdspartnere og efterforskere
Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.
Efterforskere
- Studieleder: Chen Chao, PhD, MD, Children's Hospital of Fudan University
Publikationer og nyttige links
Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.
Generelle publikationer
- Blencowe H, Cousens S, Oestergaard MZ, Chou D, Moller AB, Narwal R, Adler A, Vera Garcia C, Rohde S, Say L, Lawn JE. National, regional, and worldwide estimates of preterm birth rates in the year 2010 with time trends since 1990 for selected countries: a systematic analysis and implications. Lancet. 2012 Jun 9;379(9832):2162-72. doi: 10.1016/S0140-6736(12)60820-4.
- Liu L, Oza S, Hogan D, Chu Y, Perin J, Zhu J, Lawn JE, Cousens S, Mathers C, Black RE. Global, regional, and national causes of under-5 mortality in 2000-15: an updated systematic analysis with implications for the Sustainable Development Goals. Lancet. 2016 Dec 17;388(10063):3027-3035. doi: 10.1016/S0140-6736(16)31593-8. Epub 2016 Nov 11. Erratum In: Lancet. 2017 May 13;389(10082):1884.
Datoer for undersøgelser
Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.
Studer store datoer
Studiestart (Faktiske)
1. januar 2018
Primær færdiggørelse (Faktiske)
31. december 2018
Studieafslutning (Faktiske)
31. december 2018
Datoer for studieregistrering
Først indsendt
19. juli 2018
Først indsendt, der opfyldte QC-kriterier
19. juli 2018
Først opslået (Faktiske)
27. juli 2018
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
26. marts 2019
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
24. marts 2019
Sidst verificeret
1. marts 2019
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- EKYYRFPTBMC
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