박테리아 용해물을 사용하여 미숙아를 호흡기 감염 및 천명으로부터 보호. (PROTEA)
2026년 9월 23일 업데이트: Gerdien Tramper, Franciscus Gasthuis
박테리아 용해물을 사용하여 생후 1년 동안 호흡기 감염 및 쌕쌕거림으로부터 후기 중등도 조산아를 보호합니다.
The primary objective of this study is to reduce respiratory tract infections and wheezing in moderate-late preterms in the first years of life by bacterial lysate administration. Next to determine the correlation of biological markers with respiratory symptoms, immune protection and treatment effect.
연구 개요
상태
상태
모병
정황
정황
개입 / 치료
개입 / 치료
상세 설명
This is a randomised placebo-controlled trial including 500 otherwise healthy moderate-late preterm infants. Participants will receive bacterial lysate (OM-85/Broncho-Vaxom, 3,5mg) or placebo powder for ten days each month, from 6-10 weeks after birth until 12 months after birth. At 12 months, parents of participants are asked to join in Protea-2. If they do, participants in the treatment arm of year 1 are randomised again over placebo and OM-85 and treated until the age of 24 months. Clinical data will be continuously collected by e-Health and 3 (possibly digital) study visits; with optional biological sampling and lung function at baseline, 6 and 12 months.
Main study parameters are doctor diagnosed lower RTI and wheezing episodes in the first year of life. Biological sampling will allow investigation of immune maturation, as well as microbiome development in the respiratory tract and gut. Also, biomarkers for risk-group selection and/or treatment success will be examined.
연구 유형
연구 유형
중재적
등록 (추정된)
등록
500
단계
단계
- 3단계
연락처 및 위치
이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.
연구 연락처
연구 연락처
- 이름: Gerdien Tramper, MD PhD
- 전화번호: 0031 10 4617126
- 이메일: proteastudie@franciscus.nl
연구 장소
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South Holland
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Rotterdam, South Holland, 네덜란드, 3045PM
- 모병
- Franciscus Gasthuis & Vlietland
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연락하다:
- Gerdien Tramper, MD PhD
- 전화번호: +311046117126
- 이메일: proteastudie@franciscus.nl
-
연락하다:
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참여기준
연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.
자격 기준
자격 기준
공부할 수 있는 나이
1개월 (어린이)
건강한 자원 봉사자를 받아들입니다
아니
연구 대상 성별
모두
설명
Inclusion Criteria:
- Gestational age at delivery between 30+0 and 35+6 weeks
- Postnatal age at least 6 weeks at randomization & postmenstrual age at least 37 weeks
- Written informed consent by both parents or formal caregivers
Exclusion Criteria:
- Underlying other severe respiratory disease such as broncho-pulmonary dysplasia (unexpected in this group); hemodynamic significant cardiac disease; immunodefi-ciency; severe failure to thrive; birth asphyxia with predicted poor neurological out-come; syndrome or serious congenital disorder.
- Maternal TNF-alpha inhibitors or other immunosuppression during pregnancy and/or breastfeeding
- Parents unable to speak and read Dutch/English language
- Known allergic hypersensitivity to the active ingredients/substance or to any of the excipients.
공부 계획
이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 방지
- 할당: 무작위
- 중재 모델: 병렬 할당
- 마스킹: 네 배로
팔의 수
2
무기와 개입
참가자 그룹 / 팔참가자 그룹 / 팔 |
개입 / 치료개입 / 치료 |
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활성 비교기: Broncho-Vaxom treatment
Infants in this arm will be given 3,5mg bacterial lysate (OM-85) 10 days per month from 6 weeks after birth until 12 months of age. At age 12 months they will be (if informed consent for Protea-2 is provided) randomised over Broncho-Vaxom treatment and placebo again. |
Broncho-Vaxom is a bacterial extract comprising lyophilised fractions of 21 different inactivated bacterial strains, which are frequently causing RTI.
다른 이름들:
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위약 비교기: Placebo
Infants in this arm will be given a placebo powder from a capsule that will be indistinguishable from the active study drug. |
Placebo powder from a capsule will be given, which will be indistinguishable from the active study drug. |
연구는 무엇을 측정합니까?
주요 결과 측정
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Total number of physician diagnosed lower RTI and wheezing episodes in the first year of life
기간: In the first year of life.
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Recorded by frequent questionnaires |
In the first year of life.
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2차 결과 측정
2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Time to first lower RTI or wheezing episode
기간: In the first and second year of life.
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Recorded by short weekly questionnaires (which will be filled in during the first year of life) and more extensive questionnaires every six months in the first and second year of life. |
In the first and second year of life.
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Total number of RTI
기간: In the first and second year of life.
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Recorded by short weekly questionnaires (which will be filled in during the first year of life) and more extensive questionnaires every six months in the first and second year of life. |
In the first and second year of life.
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Total number of wheezing episodes
기간: In the first and second year of life.
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Recorded by short weekly questionnaires (which will be filled in during the first year of life) and more extensive questionnaires every six months in the first and second year of life. |
In the first and second year of life.
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Distribution of viruses
기간: In the first year of life.
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Viruses present in the nasofarynx during complaints of lower respiratory tract infection or wheezing. Nasofaryngeal swabs will be taken in case of complaints during the first year of life. In the second year of life this will not be done. |
In the first year of life.
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Medication use (bronchodilators, corticosteroids, antibiotics)
기간: In the first and second year of life.
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Recorded by short weekly questionnaires (which will be filled in during the first year of life) and more extensive questionnaires every six months in the first and second year of life. |
In the first and second year of life.
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Lung function as measured by expiratory variability index (Ventica)
기간: In the first year of life.
|
Measured at age 6-10 weeks (baseline), 6 months and 12 months in a subset of participants. |
In the first year of life.
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Quality of life questionnaires
기간: In the first and second year of life.
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Recorded by extensive questionnaires every six months in the first and second year of life. |
In the first and second year of life.
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(serious) adverse events
기간: In the first year of life.
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Will be reported by parents immediately. Respiratory episodes are not regarded as an (S)AE since these episodes comprise primary and secondary outcomes. (S)AE's are only expected in the first year of life because the treatment stops at the age of 12 months. |
In the first year of life.
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Serum specific IgE (allergen sensitization) at 12 months
기간: At age 12 months
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Total IgE and house dust mite specific IgE |
At age 12 months
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Infant vaccination titers at 12 months
기간: At age 12 months
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Vaccination titers of haemohilus influenza type B, pneumococci, tetanus |
At age 12 months
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Costs- and cost-effectiveness
기간: In the first and second year of life.
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Estimated from information from standardized questionnaires |
In the first and second year of life.
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기타 결과 측정
기타 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Gut and respiratory microbiome composition
기간: In the first year of life.
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Measured from faeces and nasofaryngeal swabs taken at age 6-10 weeks, 6 months and 12 months. |
In the first year of life.
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Secretory IgA in saliva or nasal lining fluid
기간: In the first year of life
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Saliva will be collected at age 6-10 weeks, 6 months and 12 months. |
In the first year of life
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Immune maturation: immune cells in nasal epithelium
기간: In the first year of life
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Collected by nasal scraping at age 6-10 weeks, 6 months and 12 months. Analysed using masscytometry. |
In the first year of life
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Immune maturation: chemokines and cytokines in nasal lining fluid
기간: In the first year of life
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Collected by nasosorption at age 6-10 weeks, 6 months and 12 months. Analysed using Luminex cyto/chemokine assay. |
In the first year of life
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Immune maturation: immune cells in bloodsamples
기간: In the first year of life
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Collected by blooddraws at age 6-10 weeks, 6 months and 12 months. Analysed using masscytometry. |
In the first year of life
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Serum IgE (total and specific to house dust mite)
기간: At age 12 months
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Measured in blood samples which will be drawn at age 12 months |
At age 12 months
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Immune maturation: Single cell transcriptomics
기간: At age 12 months
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Performed on blood drawn at age 12 months |
At age 12 months
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Whole blood stimulation essays
기간: At age 12 months
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Performed on blood drawn at age 12 months |
At age 12 months
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Biomarkers predictive of high morbidity and/or treatment success
기간: In the first year of life.
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From combined microbial and immunological data |
In the first year of life.
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공동 작업자 및 조사자
여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.
협력자
협력자
간행물 및 유용한 링크
연구에 대한 정보 입력을 담당하는 사람이 자발적으로 이러한 간행물을 제공합니다. 이것은 연구와 관련된 모든 것에 관한 것일 수 있습니다.
일반 간행물
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- Hill CJ, Lynch DB, Murphy K, Ulaszewska M, Jeffery IB, O'Shea CA, Watkins C, Dempsey E, Mattivi F, Tuohy K, Ross RP, Ryan CA, O' Toole PW, Stanton C. Evolution of gut microbiota composition from birth to 24 weeks in the INFANTMET Cohort. Microbiome. 2017 Jan 17;5(1):4. doi: 10.1186/s40168-016-0213-y.
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연구 기록 날짜
이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.
연구 주요 날짜
연구 시작 (실제)
연구 시작
2022년 3월 18일
기본 완료 (추정된)
기본 완료
2029년 12월 1일
연구 완료 (추정된)
연구 완료
2030년 12월 1일
연구 등록 날짜
최초 제출
최초 제출
2021년 8월 24일
QC 기준을 충족하는 최초 제출
QC 기준을 충족하는 최초 제출
2021년 9월 20일
처음 게시됨 (실제)
처음 게시됨
2021년 9월 30일
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
마지막 업데이트 게시됨
2026년 9월 25일
QC 기준을 충족하는 마지막 업데이트 제출
QC 기준을 충족하는 마지막 업데이트 제출
2026년 9월 23일
마지막으로 확인됨
마지막으로 확인됨
2026년 9월 1일
추가 정보
이 연구와 관련된 용어
추가 관련 MeSH 약관
기타 연구 ID 번호
기타 연구 ID 번호
- NL76165.100.20
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
예
IPD 계획 설명
Researchdata will be shared in data repositories according to the FAIR principle. Clinical data about respiratory health will be shared in the DANS repository. Inlcuding metadata which will ensure reusability. Sequencing data will be shared online in the ENA repository which will provide an unique global identifier. All used bioinformatics pipelines for data analysis will be made accessible on a GitHub account. Immunological data will be shared in NCBI Gene Expression omnibus and ImmPort. Used analysis pipelines for the transcriptomics data will also be tracked and can be shared using a Github account.
All data shared will be pneudonymized.
IPD 공유 기간
Data will come available after publication of the data in articles by initating researchers.
IPD 공유 액세스 기준
Data will be available under restricted access. A request for data sharing will include at least the reason for request (for what will the receiver use the data?) and agreements about authorship.
약물 및 장치 정보, 연구 문서
미국 FDA 규제 의약품 연구
아니
미국 FDA 규제 기기 제품 연구
아니
이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .