West Nile Virus Clinical Trial
Official title:
Prevalence of West Nile Virus and Usutu Virus Serum Antibodies in Dutch Bird Ringers
NCT number | NCT05294003 |
Other study ID # | P20.112 |
Secondary ID | |
Status | Completed |
Phase | |
First received | |
Last updated | |
Start date | May 28, 2021 |
Est. completion date | December 14, 2021 |
Verified date | March 2022 |
Source | Leiden University Medical Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
In August 2020, West Nile Virus (WNV) was isolated from a live common whitethroat for the first time in The Netherlands. Follow-up sampling showed that the virus could also be detected in mosquitos from the same location during at least a whole month of sampling. On 15 October 2020, one case of West Nile virus infection has been reported in a man who was likely infected in the Utrecht region. This is the first time that a locally acquired human case of WNV infection has been reported in The Netherlands. Six additional cases have been identified, one of which from the region Arnhem. West Nile virus infection is a mosquito-borne zoonosis. The disease, which has spread across the Northern Hemisphere in the past three decades, is now found on an annual basis in many European countries where the centre of gravity lies in Southern-European countries. Recently, WNV was reported for the first time in Germany. The virus is transmitted among birds through the bite of infected mosquitoes and incidentally infects humans and other mammals, such as horses. Around 80% of human WNV infections are asymptomatic. The most common clinical presentation is West Nile fever but, older people and immunocompromised persons are at higher risk of developing neuro-invasive disorders (West Nile neuroinvasive disease). Currently, there are no prophylaxis or specific treatment against the disease in humans. In addition, Usutu virus (USUV) was detected in The Netherlands in 2016. USUV is another flavivirus, related to WNV, and also capable of infecting humans. Disease associated with USUV infection in humans appears to be milder and only limited number of cases have been identified. During their bird catching activities, bird ringers are intensively exposed to mosquito bites at the natural habitat of the birds and at the same time of the day when mosquitoes are particularly active. The aim of this study is therefore to determine the prevalence of WNV and USUV serum antibodies in bird ringers in The Netherlands.
Status | Completed |
Enrollment | 162 |
Est. completion date | December 14, 2021 |
Est. primary completion date | September 22, 2021 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Carrying-out bird ringing activities during spring, summer or early autumn 2020 in The Netherlands Exclusion Criteria: - Not willing to participate in this study - Using medication interfering with antibodies production - Under 18 years of age |
Country | Name | City | State |
---|---|---|---|
Netherlands | Leiden University Medical Centre (LUMC) | Leiden |
Lead Sponsor | Collaborator |
---|---|
Leiden University Medical Center | Erasmus Medical Center, Leiden University, Netherlands Institute of Ecology, UMC Utrecht |
Netherlands,
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Rijks JM, Kik ML, Slaterus R, Foppen R, Stroo A, IJzer J, Stahl J, Gröne A, Koopmans M, van der Jeugd HP, Reusken C. Widespread Usutu virus outbreak in birds in the Netherlands, 2016. Euro Surveill. 2016 Nov 10;21(45). pii: 30391. doi: 10.2807/1560-7917.ES.2016.21.45.30391. — View Citation
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Ziegler U, Santos PD, Groschup MH, Hattendorf C, Eiden M, Höper D, Eisermann P, Keller M, Michel F, Klopfleisch R, Müller K, Werner D, Kampen H, Beer M, Frank C, Lachmann R, Tews BA, Wylezich C, Rinder M, Lachmann L, Grünewald T, Szentiks CA, Sieg M, Schmidt-Chanasit J, Cadar D, Lühken R. West Nile Virus Epidemic in Germany Triggered by Epizootic Emergence, 2019. Viruses. 2020 Apr 15;12(4). pii: E448. doi: 10.3390/v12040448. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | The proportion of individuals with neutralising antibodies against WNV by region | One blood sample collected between June and September 2021 | ||
Primary | The proportion of individuals with neutralising antibodies against USUV by region | One blood sample collected between June and September 2021 | ||
Secondary | The proportion of individuals with IgM antibodies against WNV | One blood sample collected between June and September 2021 | ||
Secondary | The proportion of individuals with IgG antibodies against WNV | One blood sample collected between June and September 2021 | ||
Secondary | The proportion of individuals with IgM antibodies against USUV | One blood sample collected between June and September 2021 | ||
Secondary | The proportion of individuals with IgG antibodies against USUV | One blood sample collected between June and September 2021 |
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