Stool Processing Kit (SPK) Evaluation for Pediatric Tuberculosis (TB)

Status Completed

Clinical Trial Summary

This is a prospective, multicenter cohort study in which the accuracy and the diagnostic yield of the Stool Processing Kit (SPK) in combination with Xpert Ultra MTB/RIF (Ultra) on stool samples will be assessed using a microbiological reference standard and a composite reference standard among children with signs and symptoms of pulmonary tuberculosis.

Clinical Trial Description

FIND and partners have developed a simple Stool Processing Kit (SPK) that will enable processing of large numbers of stool samples, removal of PCR (polymerase chain reaction) inhibitors which can be used at level 1 health facilities in low and middle income countries. The SPK is not a diagnostic kit as such but rather a sample processing method. This study aims to determine the sensitivity and specificity of Xpert Ultra MTB/RIF (Ultra) combined with SPK for TB detection using microbiological confirmation on respiratory specimens (defined as sputum, naso-pharyngeal aspirate, and/or gastric aspirate) as the reference standard. The investigators will further evaluate operational characteristics, including implementation considerations that will be needed for the potential rollout of the SPK. Additionally, a comparison of the performance of the SPK with up to two other centrifuge-free stool processing methods will be done on the same stool samples. The first is a method developed by researchers at the KNCV Tuberculosis Foundation (Single One Step Stool) which does not require any additional reagents other than the Ultra Sample Reagent. The second is a method developed by the Pediatric Asian African Network for Tuberculosis and HIV Research (PANTHER) group, the Optimized Sucrose Flotation method. Another diagnostic candidate, the urine Fujifilm SILVAMP TB LAM (FujiLAM) test will be assessed during the study. Therefore, if the sensitivity of any of these tests is shown to be promising this may support further research and provide other alternatives to respiratory samples. ;

Study Design

Related Conditions & MeSH terms

Tuberculosis

Clinical Trial Details

NCT number	NCT04899076
Study type	Observational
Source	Foundation for Innovative New Diagnostics, Switzerland
Contact
Status	Completed
Phase
Start date	June 19, 2019
Completion date	October 31, 2021

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.