Severe Acute Respiratory SyndromeCoro-BuddyNCT04581889
Prevalence of Antibodies Against SARS-CoV-2 Virus That Causes COVID-19 in Tübingen Children
An observational study of Severe Acute Respiratory Syndrome, run by University Hospital Tuebingen at 1 site in Germany.
Trial summary
This is a prospective, longitudinal study to determine the incidence of SARS-COV-2 infection in children and adolescents by measuring specific antibodies in non-invasive saliva sampled in kindergartens and schools in a defined city area. Read more about this study
- Who is it for?
- Ages 1 year to 18 yearsHealthy volunteers can take part
- Conditions the study is for
- Severe Acute Respiratory Syndrome
- What is being tested?
- Diagnostic test
- How many people
- 2,380 participants
- Where
- 1 siteGermany
- Study dates
- 2 Jul 2020to 31 Jul 2022
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 1 year to 18 years
- All sexes
- Healthy volunteers accepted
- Child, Adult
Study population: Group A: Kita cohort (any age, usually 1-3 years): N = 350 Group B: Kindergarten cohort (any age, usually 3-6 years): N = 350 Group C: Primary school cohort (any age, usually, 6-10 years): N = 350 Group D: Secondary school, young cohort (class 5-8, any age, usually 10 - 14 years): N =400 Group E: Secondary school, adolescent cohort (class 9-12, any age, usually 14 - 18 years): N = 400 Group F: Tübinger adults (> 18 years): N = 400 (adult comparator group) Adults (n = 80). Specifically, 40 adult individuals who had a previous confirmed SARS-CoV-2 infection as well as 40 adults without previous SARS-CoV-2 infection at the start of the study.
Who may be able to join
- Children from 1 months to 18 years
- Written informed consent of the parent/legal guardian (study population is minor)
- Written assent when children are ≥ 12 years
- Enrolled in a kita, kindergarden, primary, or secondary school located in Tübingen
- Adult population:
- Individuals >18 years who recovered from a confirmed SARS-CoV-2 infection.
- Or individuals > 18 years with an unknown status of previous SARS-CoV-2 infection
Who cannot join
- Unwilling to give consent
Trial locations and contacts
1 site in 1 country.
About this study
Official title: Prospective, Seroepidemiological, Non-invasive Cohort Study in Tübingen Children Age-stratified by Nursery and School Attendance
This is a prospective, longitudinal study to determine the incidence of SARS-COV-2 infection in children and adolescents by measuring specific antibodies in non-invasive saliva sampled in kindergartens and schools in a defined city area. The study includes an additional arm to validate the ELISA for anti-SARS-COV-2 reactive antibody measurements in saliva compared against blood collected in adult volunteers in a bimonthly follow-up period for 12 months.
Read the detailed description
The world is confronting Coronavirus Disease-2019 (COVID-19) pandemic caused by SARS-CoV-2 virus, which is causing many deaths and burden on intensive care facilities. Data regarding epidemiologic characteristics in children and young adults is limited, especially in the context of educational settings. Due to mild symptoms or even asymptomatic cases in children, the rate of SARS-CoV-2 infected children is underestimated. Therefore, the present study aims to determine the incidence of SARS-CoV-2 infection in children at 3 timepoints during 12 months expressed as seroconversion measured in non-invasive saliva sampling in Tübingen, a defined study area. Children and adolescents (N = 1850) in the age of 1 to 17 years will be recruited via child-care, kindergarten and primary and secondary schools and followed-up for 12 months: shortly after release of lock-down measures in summer 2020, before winter and after the winter. An adult cohort (adult comparator group) is sampled at the same time points for incidence comparisons. To validate the ELISA for SARS-CoV-2 antibody measurements in saliva compared to blood, and to understand the half-life of SARS-CoV-2 antibodies in respective body fluids, peripheral blood and in saliva will be sampled every 2 months in an additional adult group (adult validation group).
- Conditions
- Severe Acute Respiratory Syndrome
- Being tested
- Diagnostic test
- Keywords
- SARS-CoV-2, antibodies, saliva, children, epidemiology
- Medical subject headings
- Severe Acute Respiratory Syndrome
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Diagnostic testOther
Presence of antibodies in saliva
| Study group | Role | What they receive |
|---|---|---|
| Children | Children from1 to 18 years, enrolled in kindergartens, primary, or secondary school located in city of Tübingen, Germany. Receives: Other: Diagnostic test | |
| Adult comparator | Adults of unknown status of previous SARSCoV-2 infection. | |
| Adult validation | Adults who report a history of SARS-CoV-2 infections between 1. February 2020 and the time point of sampling. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Incidence of SARS-CoV-2 infection in infants, children and adolescents
Identification of children that have been infected over different periods of time (summer, before winter and after winter) based on saliva samples
Measured: 12 months
Secondary outcomes (1)
Incidence of SARS-CoV-2
Change of incidence of SARS-CoV-2 infection in children during 2020/2021
Measured: 12 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted9 Oct 2020
- Study start2 Jul 2020
- Primary completion31 Jul 2021
- Study completion31 Jul 2022
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (9)Papers the sponsor has linked to this study.
- Other trials for Severe Acute Respiratory SyndromeStudies of the same condition, open and under way.
- More trials run by University Hospital TuebingenThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 2,380 participants (actual)
Sponsor and investigators
- Lead sponsor
- University Hospital Tuebingen
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Andrea Kreidenweiss, Dr., Principal investigator, University Hospital TuebingenJana Held, Dr, Principal investigator, University Hospital Tuebingen
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT04581889
- Sponsor's protocol ID
- Coro-Buddy
- Acronym
- Coro-Buddy
- Status last verified
- Jun 2022
- First submitted
- 7 Oct 2020
- Last updated
- 29 Nov 2023
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
Hong H, Wang Y, Chung HT, Chen CJ. Clinical characteristics of novel coronavirus disease 2019 (COVID-19) in newborns, infants and children. Pediatr Neonatol. 2020 Apr;61(2):131-132. doi: 10.1016/j.pedneo.2020.03.001. Epub 2020 Mar 10. No abstract available.
PubMed 32199864Zimmermann P, Curtis N. COVID-19 in Children, Pregnancy and Neonates: A Review of Epidemiologic and Clinical Features. Pediatr Infect Dis J. 2020 Jun;39(6):469-477. doi: 10.1097/INF.0000000000002700.
PubMed 32398569Bi Q, Wu Y, Mei S, Ye C, Zou X, Zhang Z, Liu X, Wei L, Truelove SA, Zhang T, Gao W, Cheng C, Tang X, Wu X, Wu Y, Sun B, Huang S, Sun Y, Zhang J, Ma T, Lessler J, Feng T. Epidemiology and transmission of COVID-19 in 391 cases and 1286 of their close contacts in Shenzhen, China: a retrospective cohort study. Lancet Infect Dis. 2020 Aug;20(8):911-919. doi: 10.1016/S1473-3099(20)30287-5. Epub 2020 Apr 27.
PubMed 32353347Macartney K, Quinn HE, Pillsbury AJ, Koirala A, Deng L, Winkler N, Katelaris AL, O'Sullivan MVN, Dalton C, Wood N; NSW COVID-19 Schools Study Team. Transmission of SARS-CoV-2 in Australian educational settings: a prospective cohort study. Lancet Child Adolesc Health. 2020 Nov;4(11):807-816. doi: 10.1016/S2352-4642(20)30251-0. Epub 2020 Aug 3.
PubMed 32758454Perera RA, Mok CK, Tsang OT, Lv H, Ko RL, Wu NC, Yuan M, Leung WS, Chan JM, Chik TS, Choi CY, Leung K, Chan KH, Chan KC, Li KC, Wu JT, Wilson IA, Monto AS, Poon LL, Peiris M. Serological assays for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), March 2020. Euro Surveill. 2020 Apr;25(16):2000421. doi: 10.2807/1560-7917.ES.2020.25.16.2000421.
PubMed 32347204To KK, Tsang OT, Yip CC, Chan KH, Wu TC, Chan JM, Leung WS, Chik TS, Choi CY, Kandamby DH, Lung DC, Tam AR, Poon RW, Fung AY, Hung IF, Cheng VC, Chan JF, Yuen KY. Consistent Detection of 2019 Novel Coronavirus in Saliva. Clin Infect Dis. 2020 Jul 28;71(15):841-843. doi: 10.1093/cid/ciaa149.
PubMed 32047895Azzi L, Carcano G, Gianfagna F, Grossi P, Gasperina DD, Genoni A, Fasano M, Sessa F, Tettamanti L, Carinci F, Maurino V, Rossi A, Tagliabue A, Baj A. Saliva is a reliable tool to detect SARS-CoV-2. J Infect. 2020 Jul;81(1):e45-e50. doi: 10.1016/j.jinf.2020.04.005. Epub 2020 Apr 14.
PubMed 32298676Hettegger P, Huber J, Passecker K, Soldo R, Kegler U, Nohammer C, Weinhausel A. High similarity of IgG antibody profiles in blood and saliva opens opportunities for saliva based serology. PLoS One. 2019 Jun 20;14(6):e0218456. doi: 10.1371/journal.pone.0218456. eCollection 2019.
PubMed 31220138Pinilla YT, Friessinger E, Griesbaum JM, Berner L, Heinzel C, Elsner K, Fendel R, Held J, Kreidenweiss A. Prevalence of SARS-CoV-2 Infection in Children by Antibody Detection in Saliva: Protocol for a Prospective Longitudinal Study (Coro-Buddy). JMIR Res Protoc. 2021 Oct 8;10(10):e27739. doi: 10.2196/27739.
PubMed 34533472
Study at a glance
From the registry record, last updated by the sponsor on 29 Nov 2023. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Prospective, Seroepidemiological, Non-invasive Cohort Study in Tübingen Children Age-stratified by Nursery and School Attendance
- ClinicalTrials.gov ID
- NCT04581889
- Acronym / sponsor ID
- Coro-Buddy / Coro-Buddy
- Conditions
- Severe Acute Respiratory Syndrome
- Keywords
- SARS-CoV-2, antibodies, saliva, children, epidemiology
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 2,380 participants (actual)
- Lead sponsor
- University Hospital TuebingenUniversity, hospital or other
- Study start
- 2 Jul 2020 (actual)
- Primary completion
- 31 Jul 2021 (actual)
- Study completion
- 31 Jul 2022 (actual)
- First posted
- 9 Oct 2020 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This is a prospective, longitudinal study to determine the incidence of SARS-COV-2 infection in children and adolescents by measuring specific antibodies in non-invasive saliva sampled in kindergartens and schools in a defined city area. The study includes an additional arm to validate the ELISA for anti-SARS-COV-2 reactive antibody measurements in saliva compared against blood collected in adult volunteers in a bimonthly follow-up period for 12 months.
Detailed description
The world is confronting Coronavirus Disease-2019 (COVID-19) pandemic caused by SARS-CoV-2 virus, which is causing many deaths and burden on intensive care facilities. Data regarding epidemiologic characteristics in children and young adults is limited, especially in the context of educational settings. Due to mild symptoms or even asymptomatic cases in children, the rate of SARS-CoV-2 infected children is underestimated. Therefore, the present study aims to determine the incidence of SARS-CoV-2 infection in children at 3 timepoints during 12 months expressed as seroconversion measured in non-invasive saliva sampling in Tübingen, a defined study area. Children and adolescents (N = 1850) in the age of 1 to 17 years will be recruited via child-care, kindergarten and primary and secondary schools and followed-up for 12 months: shortly after release of lock-down measures in summer 2020, before winter and after the winter. An adult cohort (adult comparator group) is sampled at the same time points for incidence comparisons. To validate the ELISA for SARS-CoV-2 antibody measurements in saliva compared to blood, and to understand the half-life of SARS-CoV-2 antibodies in respective body fluids, peripheral blood and in saliva will be sampled every 2 months in an additional adult group (adult validation group).
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| Children | – | Other: Diagnostic testChildren from1 to 18 years, enrolled in kindergartens, primary, or secondary school located in city of Tübingen, Germany. |
| Adult comparator | – | –Adults of unknown status of previous SARSCoV-2 infection. |
| Adult validation | – | –Adults who report a history of SARS-CoV-2 infections between 1. February 2020 and the time point of sampling. |
Who may qualify
- Ages
- 1 year to 18 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Child, Adult
- Study population
- Group A: Kita cohort (any age, usually 1-3 years): N = 350 Group B: Kindergarten cohort (any age, usually 3-6 years): N = 350 Group C: Primary school cohort (any age, usually, 6-10 years): N = 350 Group D: Secondary school, young cohort (class 5-8, any age, usually 10 - 14 years): N =400 Group E: Secondary school, adolescent cohort (class 9-12, any age, usually 14 - 18 years): N = 400 Group F: Tübinger adults (> 18 years): N = 400 (adult comparator group) Adults (n = 80). Specifically, 40 adult individuals who had a previous confirmed SARS-CoV-2 infection as well as 40 adults without previous SARS-CoV-2 infection at the start of the study.
Key inclusion criteria (7 listed)
- Children from 1 months to 18 years
- Written informed consent of the parent/legal guardian (study population is minor)
- Written assent when children are ≥ 12 years
- Enrolled in a kita, kindergarden, primary, or secondary school located in Tübingen
- Individuals >18 years who recovered from a confirmed SARS-CoV-2 infection.
Key exclusion criteria (1 listed)
- Unwilling to give consent
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Diagnostic testPresence of antibodies in saliva | Other | Children |
Primary outcome
Incidence of SARS-CoV-2 infection in infants, children and adolescents
Time frame: 12 months
Identification of children that have been infected over different periods of time (summer, before winter and after winter) based on saliva samples
1 secondary outcome
Incidence of SARS-CoV-2
Time frame: 12 months
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 29 Nov 2023.
- Background: PubMed 32199864Hong H, Wang Y, Chung HT, Chen CJ. Clinical characteristics of novel coronavirus disease 2019 (COVID-19) in newborns, infants and children. Pediatr Neonatol. 2020 Apr;61(2):131-132. doi: 10.1016/j.pedneo.2020.03.001. Epub 2020 Mar 10. No abstract available.
- Background: PubMed 32398569Zimmermann P, Curtis N. COVID-19 in Children, Pregnancy and Neonates: A Review of Epidemiologic and Clinical Features. Pediatr Infect Dis J. 2020 Jun;39(6):469-477. doi: 10.1097/INF.0000000000002700.
- Background: PubMed 32353347Bi Q, Wu Y, Mei S, Ye C, Zou X, Zhang Z, Liu X, Wei L, Truelove SA, Zhang T, Gao W, Cheng C, Tang X, Wu X, Wu Y, Sun B, Huang S, Sun Y, Zhang J, Ma T, Lessler J, Feng T. Epidemiology and transmission of COVID-19 in 391 cases and 1286 of their close contacts in Shenzhen, China: a retrospective cohort study. Lancet Infect Dis. 2020 Aug;20(8):911-919. doi: 10.1016/S1473-3099(20)30287-5. Epub 2020 Apr 27.
- Background: PubMed 32758454Macartney K, Quinn HE, Pillsbury AJ, Koirala A, Deng L, Winkler N, Katelaris AL, O'Sullivan MVN, Dalton C, Wood N; NSW COVID-19 Schools Study Team. Transmission of SARS-CoV-2 in Australian educational settings: a prospective cohort study. Lancet Child Adolesc Health. 2020 Nov;4(11):807-816. doi: 10.1016/S2352-4642(20)30251-0. Epub 2020 Aug 3.
- Background: PubMed 32347204Perera RA, Mok CK, Tsang OT, Lv H, Ko RL, Wu NC, Yuan M, Leung WS, Chan JM, Chik TS, Choi CY, Leung K, Chan KH, Chan KC, Li KC, Wu JT, Wilson IA, Monto AS, Poon LL, Peiris M. Serological assays for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), March 2020. Euro Surveill. 2020 Apr;25(16):2000421. doi: 10.2807/1560-7917.ES.2020.25.16.2000421.
- Background: PubMed 32047895To KK, Tsang OT, Yip CC, Chan KH, Wu TC, Chan JM, Leung WS, Chik TS, Choi CY, Kandamby DH, Lung DC, Tam AR, Poon RW, Fung AY, Hung IF, Cheng VC, Chan JF, Yuen KY. Consistent Detection of 2019 Novel Coronavirus in Saliva. Clin Infect Dis. 2020 Jul 28;71(15):841-843. doi: 10.1093/cid/ciaa149.
- Background: PubMed 32298676Azzi L, Carcano G, Gianfagna F, Grossi P, Gasperina DD, Genoni A, Fasano M, Sessa F, Tettamanti L, Carinci F, Maurino V, Rossi A, Tagliabue A, Baj A. Saliva is a reliable tool to detect SARS-CoV-2. J Infect. 2020 Jul;81(1):e45-e50. doi: 10.1016/j.jinf.2020.04.005. Epub 2020 Apr 14.
- Background: PubMed 31220138Hettegger P, Huber J, Passecker K, Soldo R, Kegler U, Nohammer C, Weinhausel A. High similarity of IgG antibody profiles in blood and saliva opens opportunities for saliva based serology. PLoS One. 2019 Jun 20;14(6):e0218456. doi: 10.1371/journal.pone.0218456. eCollection 2019.
- Derived from this study: PubMed 34533472Pinilla YT, Friessinger E, Griesbaum JM, Berner L, Heinzel C, Elsner K, Fendel R, Held J, Kreidenweiss A. Prevalence of SARS-CoV-2 Infection in Children by Antibody Detection in Saliva: Protocol for a Prospective Longitudinal Study (Coro-Buddy). JMIR Res Protoc. 2021 Oct 8;10(10):e27739. doi: 10.2196/27739.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Andrea Kreidenweiss, Dr. principal investigator
University Hospital Tuebingen
Jana Held, Dr principal investigator
University Hospital Tuebingen
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Severe Acute Respiratory Syndrome, run by University Hospital Tuebingen at 1 site in Germany.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 7 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 29 Nov 2023. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Germany. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Incidence of SARS-CoV-2 infection in infants, children and adolescents (time frame: 12 months). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT04581889, which also lists 9 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 29 Nov 2023.