Predicting EONS in PPROM Patients

NCT ID: NCT03819192

Last Updated: 2023-04-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

150 participants

Study Classification

OBSERVATIONAL

Study Start Date

2019-02-01

Study Completion Date

2023-12-31

Brief Summary

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An EONS occurred in nearly 14-22 % of the preterm infant of pregnant women with PPROM. To this day no risk prediction is established. The main aim of this pilot study is generating primary data with a focus on the vaginal microbiome to set-up a prospective, multi-centre trial investigating the role of the vaginal microbiome for future EONS risk prediction.

The planned PEONS pilot trial is subdivided in three Work packages:

1. Recruitment, sample collection and routine clinical diagnostics
2. Microbiome analysis by 16S rRNA
3. Microbiome/ Metagenome analysis by "Nanopore" (proof-of-principle) and will enroll women with a PPROM event hospitalized between 22+0 and 34+0 weeks of gestation and neonates with signs of EONS (Subgroup 1) and without signs of EONS (Subgroup 2).

Detailed Description

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Conditions

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PPROM Early-Onset Neonatal Sepsis

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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neonates with signs of EONS

microbiome analysis

Intervention Type DIAGNOSTIC_TEST

From all full age pregnant women with PPROM enrolled in this study vaginal smear samples will be taken at three time points:

1. directly after hospitalization
2. 5-7 days after beginning of antibiotic treatment
3. 24 h before birth

The microbiome of the neonates of these women will be analysed out of pharyngeal and rectal swabs and umbilical cord blood taken directly after birth and additionally out of the first Meconium.

Conventional cultures

Intervention Type DIAGNOSTIC_TEST

For every sample taken for microbiome analysis, a conventional culture is taken as control.

CAAP48 measurement

Intervention Type DIAGNOSTIC_TEST

CAAP48 is an identified sepsis marker in adult patients. The samples are taken dependent on clinical monitoring to compare CAAP48 with established inflammation markers (CRP, IL-6, White blood cell count, Procalcitonin).

neonates without signs of EONS

microbiome analysis

Intervention Type DIAGNOSTIC_TEST

From all full age pregnant women with PPROM enrolled in this study vaginal smear samples will be taken at three time points:

1. directly after hospitalization
2. 5-7 days after beginning of antibiotic treatment
3. 24 h before birth

The microbiome of the neonates of these women will be analysed out of pharyngeal and rectal swabs and umbilical cord blood taken directly after birth and additionally out of the first Meconium.

Conventional cultures

Intervention Type DIAGNOSTIC_TEST

For every sample taken for microbiome analysis, a conventional culture is taken as control.

CAAP48 measurement

Intervention Type DIAGNOSTIC_TEST

CAAP48 is an identified sepsis marker in adult patients. The samples are taken dependent on clinical monitoring to compare CAAP48 with established inflammation markers (CRP, IL-6, White blood cell count, Procalcitonin).

pregnant women with PPROM

microbiome analysis

Intervention Type DIAGNOSTIC_TEST

From all full age pregnant women with PPROM enrolled in this study vaginal smear samples will be taken at three time points:

1. directly after hospitalization
2. 5-7 days after beginning of antibiotic treatment
3. 24 h before birth

The microbiome of the neonates of these women will be analysed out of pharyngeal and rectal swabs and umbilical cord blood taken directly after birth and additionally out of the first Meconium.

Conventional cultures

Intervention Type DIAGNOSTIC_TEST

For every sample taken for microbiome analysis, a conventional culture is taken as control.

CAAP48 measurement

Intervention Type DIAGNOSTIC_TEST

CAAP48 is an identified sepsis marker in adult patients. The samples are taken dependent on clinical monitoring to compare CAAP48 with established inflammation markers (CRP, IL-6, White blood cell count, Procalcitonin).

Interventions

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microbiome analysis

From all full age pregnant women with PPROM enrolled in this study vaginal smear samples will be taken at three time points:

1. directly after hospitalization
2. 5-7 days after beginning of antibiotic treatment
3. 24 h before birth

The microbiome of the neonates of these women will be analysed out of pharyngeal and rectal swabs and umbilical cord blood taken directly after birth and additionally out of the first Meconium.

Intervention Type DIAGNOSTIC_TEST

Conventional cultures

For every sample taken for microbiome analysis, a conventional culture is taken as control.

Intervention Type DIAGNOSTIC_TEST

CAAP48 measurement

CAAP48 is an identified sepsis marker in adult patients. The samples are taken dependent on clinical monitoring to compare CAAP48 with established inflammation markers (CRP, IL-6, White blood cell count, Procalcitonin).

Intervention Type DIAGNOSTIC_TEST

Eligibility Criteria

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Inclusion Criteria

* full age pregnant woman with PPROM and their born preterm infants
* hospitalization between 22+0 and 34+0 weeks of gestation
* multipara possible

Exclusion Criteria

* hospitalization with PPROM before limit of viability are reached
* intrauterine fetal death
* no study agreement
* not able to consent
Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Center of Fetal Surgery, University Hospital Halle Saale

UNKNOWN

Sponsor Role collaborator

Section for Neonatology and Pediatric Intensive Care, University Hospital Halle Saale

UNKNOWN

Sponsor Role collaborator

Jena University Hospital

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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University Hospital Halle/s.

Halle, Saxony-Anhalt, Germany

Site Status RECRUITING

Jena University Hospital

Jena, Thuringia, Germany

Site Status RECRUITING

Countries

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Germany

Central Contacts

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Ekkehard Schleußner, Prof. Dr.

Role: CONTACT

+49 3641 ext. 932 920

Janine Zöllkau, Dr.

Role: CONTACT

+49 3641 ext. 932 92 18

Facility Contacts

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Michael Bergner

Role: primary

+49345 ext. 557 3250

Jana Pastuschek, Dipl. Biol. M.Sc.

Role: primary

+49 3641 ext. 329295

Yvonne Heimann, M.Sc.

Role: backup

+49 3641 ext. 390 868

References

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Dos Anjos Borges LG, Pastuschek J, Heimann Y, Dawczynski K; PEONS study group; Schleussner E, Pieper DH, Zollkau J. Vaginal and neonatal microbiota in pregnant women with preterm premature rupture of membranes and consecutive early onset neonatal sepsis. BMC Med. 2023 Mar 13;21(1):92. doi: 10.1186/s12916-023-02805-x.

Reference Type DERIVED
PMID: 36907851 (View on PubMed)

Other Identifiers

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KG-PEONS

Identifier Type: -

Identifier Source: org_study_id

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