- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07688083
Clinical Validation of Isothermal Nucleic Acid Amplification Bioassays Modules - DRC
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
The DECIPHER project aims to improve the diagnostic capacity for VHFs by developing a novel POC diagnostic tools capable of detecting EBOV and LASV. These tools are designed to enhance diagnostic sensitivity and specificity compared to existing rapid diagnostic solutions, thereby enabling faster and more accurate case detection. Improved diagnostic performance is expected to lead to better patient care and more effective outbreak control. Additionally, it aims to minimize healthcare worker's exposure to contaminated bodily fluids by supporting self-testing with healthcare worker assistance.
To validate the clinical performance of the EBOV DECIPHER bioassay modules, two retrospective studies will be conducted using biobanked samples from patients previously tested for EBOV. These samples, collected by the INRB, include both test-positive and test-negative cases confirmed by gold-standard RT-PCR assays. These studies are crucial steps in the evaluation of the DECIPHER diagnostic tool. Leveraging existing biobanked samples allows for the generation of clinically relevant performance data without the need for new patient recruitment.
The primary objective is to estimate the sensitivity and specificity of the bioassay modules for EBOV compared to standard RT-PCR on biobanked patient samples. As a secondary objective, the investigators will evaluate other endpoints related to diagnostic accuracy and concordance (e.g. positive and negative predictive values) and the investigators will evaluate the user-friendliness (by the laboratory technician) of the bioassay modules.
Tipo di studio
Iscrizione (Stimato)
Contatti e Sedi
Contatto studio
- Nome: Koen Vercauteren, Prof. Dr.
- Numero di telefono: +32 3 247 63 32
- Email: kvercauteren@itg.be
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Bambino
- Adulto
- Adulto più anziano
Accetta volontari sani
Metodo di campionamento
Popolazione di studio
Descrizione
Inclusion Criteria:
- EBOV test positive and negative biobanked patient samples
Exclusion Criteria:
- not applicable
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
Coorti e interventi
Gruppo / Coorte |
Intervento / Trattamento |
|---|---|
|
EBOV positives
|
DECIPHER bioassay, using recombinase polymerase amplification for a quantitative readout
|
|
EBOV negatives
|
DECIPHER bioassay, using recombinase polymerase amplification for a quantitative readout
|
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Assess sensitivity and specificity of the DECIPHER bioassay for EBOV
Lasso di tempo: Up to 1 year after the intervention
|
The assay gives quantitative results for EBOV, which will be classified as positive or negative.
It is assumed that a higher value indicates a higher viral load.
The threshold will be determined as follows: (1) the maximum threshold that achieves ≥80% sensitivity, (2) the minimum threshold that achieves ≥80% specificity, (3) the threshold that maximizes Youden's index and (4) the threshold that minimizes the Euclidean index.
Note that approach (1) and (2) will give an unbiased estimate of sensitivity and specificity at these pre-specified thresholds, while approach (3) and (4) is expected to overestimate sensitivity and specificity.
Sensitivity and specificity (together with their 95% Wilson CI) will be calculated using the observed number of true and false positives and negatives.
Positive and negative predictive value will be estimated using the calculated sensitivity and specificity.
|
Up to 1 year after the intervention
|
Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Evaluate the usability of the bioassay by laboratory technicians - qualitative feedback
Lasso di tempo: Up to 1 year after the intervention
|
Responses from the standardized questionnaire completed by laboratory technicians will be analysed using descriptive statistics.
Qualitative feedback regarding workflow integration, clarity of instructions, and implementation challenges will be categorized and analysed thematically to identify common patterns and areas for improvement in the bioassay system design and user interface.
|
Up to 1 year after the intervention
|
|
Evaluate the usability of the bioassay by laboratory technicians - quantitative feedback
Lasso di tempo: Up to 1 year after the intervention
|
Responses from the standardized questionnaire completed by laboratory technicians will be analysed using descriptive statistics.
Quantitative usability metrics (such as ease of use scores, time requirements, and satisfaction ratings) will be summarized using (cumulative) counts and percentages or using medians, quartiles and ranges as appropriate.
|
Up to 1 year after the intervention
|
Collaboratori e investigatori
Collaboratori
Investigatori
- Investigatore principale: Placide Mbala, Prof., Institut National de Recherche Biomédicale, Kinshasa, Democratic Republic of the Congo
- Investigatore principale: Koen Vercauteren, Prof. Dr., Institute of Tropical Medicine, Antwerp, Belgium
Studiare le date dei record
Studia le date principali
Inizio studio (Stimato)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- 2019/26
- 101137242 (Altro numero di sovvenzione/finanziamento: Horizon Europe)
Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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