- ICH GCP
- US-Register für klinische Studien
- Klinische Studie NCT01947075
Etiologies of Fever Among Adults in Dar es Salaam
Etiologies of Acute Febrile Illness Among Adults Attending an Outpatient Department in Dar es Salaam
Following the decline of malaria in Sub-Saharan Africa, clinicians face febrile patients in whom an alternative diagnosis has to be made. This situation has led to an overuse of antibiotics by clinicians. It is crucial to increase knowledge on etiologies and risk factors of outpatient febrile illness in order to improve their management.
This present proposal aims to investigate the etiologies of fever among adult patients attending an outpatient department in urban Tanzania. It also aims to assess the clinical significance of nasopharyngeal (NP) respiratory viruses and bacteria documentation in this setting. Third, it aims to compare the spectrum of infections in this population with that of children included in the same setting in a previous study. The last objective is to assess diabetes mellitus (DM) as a risk factor for infection and exposure to indoor air pollution (IAP) as a risk factor for acute respiratory infections (ARI) in adults in Tanzania.
The investigators hypothesize that acute respiratory infections are the main cause of adult febrile illness in a urban low-income setting and that use of quantitative molecular assays on naso-oropharyngeal samples can improve the diagnosis of pneumonia. The investigators also think that the spectrum of infections is different between children and adults, mainly due to a high HIV prevalence in adults. The investigators also hypothesize that experiencing IAP and/ or DM is a risk factor for infections in adults.
Studienübersicht
Status
Bedingungen
Studientyp
Einschreibung (Tatsächlich)
Kontakte und Standorte
Studienorte
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Dar es Salaam, Tansania
- Mwananyamala Hospital
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Teilnahmekriterien
Zulassungskriterien
Studienberechtigtes Alter
Akzeptiert gesunde Freiwillige
Studienberechtigte Geschlechter
Probenahmeverfahren
Studienpopulation
Beschreibung
Inclusion Criteria:
- Temperature >=38°C
- History of fever for less than 8 days
- First consultation for the present problem
Exclusion Criteria:
- Refusal of HIV screening
- Main complaint is injury or trauma
- Antibiotic treatment in the last 7 days
- Within 6 weeks after delivery
- Hospitalization during the last month
Studienplan
Wie ist die Studie aufgebaut?
Designdetails
Kohorten und Interventionen
Gruppe / Kohorte |
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Adults with fever
Every adult with fever will be screened for different infectious diseases and for nasopharyngeal respiratory viruses and bacteria
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Healthy volonteers
For every adult with fever included with a diagnosis of pneumonia, a healthy volunteer will be included.
These healthy volunteers will be screened for nasopharyngeal respiratory viruses and bacteria.
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Was misst die Studie?
Primäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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Proportion of patients with each disease among all febrile patients, overall and stratified by HIV status
Zeitfenster: 1 year
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Description of the distribution of causes of fever based on pre-defined case definitions for each disease.
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1 year
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Sekundäre Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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Proportion of febrile patients with acute respiratory infection infected with a certain respiratory pathogen, compared to the proportion of healthy controls infected with the same pathogen.
Zeitfenster: 1 year
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Nasopharyngeal respiratory viruses and bacteria documentation (presence/absence as well as pathogen loads) will be compared between patients with acute respiratory infection and a control group of healthy volunteers
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1 year
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Andere Ergebnismessungen
Ergebnis Maßnahme |
Maßnahmenbeschreibung |
Zeitfenster |
|---|---|---|
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Strength of association between each febrile disease and diabetes mellitus and between acute respiratory infections and indoor air pollution
Zeitfenster: 1 year
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Screening of diabetes mellitus and screening of exposure to indoor air pollution will be performed among patients with fever.
The strength of association between diabetes and each type of febrile disease and exposure to indoor air pollution and acute respiratory infections will be measured.
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1 year
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Mitarbeiter und Ermittler
Mitarbeiter
Ermittler
- Hauptermittler: Valerie D'Acremont, MD PhD, Swiss Tropical & Public Health Institute
Publikationen und hilfreiche Links
Allgemeine Veröffentlichungen
- Boillat-Blanco N, Klaassen B, Mbarack Z, Samaka J, Mlaganile T, Masimba J, Franco Narvaez L, Mamin A, Genton B, Kaiser L, D'Acremont V. Dengue fever in Dar es Salaam, Tanzania: clinical features and outcome in populations of black and non-black racial category. BMC Infect Dis. 2018 Dec 12;18(1):644. doi: 10.1186/s12879-018-3549-z.
- Boillat-Blanco N, Mbarack Z, Samaka J, Mlaganile T, Mamin A, Genton B, Kaiser L, Calandra T, D'Acremont V. Prognostic value of quickSOFA as a predictor of 28-day mortality among febrile adult patients presenting to emergency departments in Dar es Salaam, Tanzania. PLoS One. 2018 Jun 14;13(6):e0197982. doi: 10.1371/journal.pone.0197982. eCollection 2018.
Studienaufzeichnungsdaten
Haupttermine studieren
Studienbeginn
Primärer Abschluss (Tatsächlich)
Studienabschluss (Tatsächlich)
Studienanmeldedaten
Zuerst eingereicht
Zuerst eingereicht, das die QC-Kriterien erfüllt hat
Zuerst gepostet (Schätzen)
Studienaufzeichnungsaktualisierungen
Letztes Update gepostet (Schätzen)
Letztes eingereichtes Update, das die QC-Kriterien erfüllt
Zuletzt verifiziert
Mehr Informationen
Begriffe im Zusammenhang mit dieser Studie
Schlüsselwörter
Zusätzliche relevante MeSH-Bedingungen
Andere Studien-ID-Nummern
- Fever Study
- Adult Fever Study (Andere Kennung: SwissTPH)
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