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NCT06815536Recruiting

Master Protocol for Evaluating Multiple Infection Diagnostics for Ciprofloxacin-Resistant Neisseria Gonorrhoeae

Duke University

Start Date

4/16/2025

Completion Date

7/1/2026

Summary

The goal of this study is to learn if a few investigational tests can correctly find the gene mutation (mutant allele gyrA 91F) that predicts ciprofloxacin resistance in clinical specimens that harbor Neisseria gonorrhoeae. The main question the study aims to answer: Can the investigational reflex test find the correct gene mutation (Neisseria gonorrhoeae gyrA 91F or gyrA 91S) as compared to the sequenced result? Specimens that are collected for routine clinical care and harbor Neisseria gonorrhoeae will be evaluated in this study.

Detailed Description

This is a prospective, multi-center, cross-sectional study using consecutive clinical specimens that are collected for routine clinical care and test positive for N. gonorrhoeae using an FDA-cleared molecular assay. The study evaluates the diagnostic accuracy of multiple investigational reflex tests to detect the mutant allele gyrA 91F that predicts ciprofloxacin resistance in N. gonorrhoeae, as compared to a reference standard of Sanger sequencing of the gyrA codon 91. Specimens will be tested via a reference standard of Sanger sequencing and one investigational reflex test. The target sample size is 311 urine specimens, 496 vaginal swab specimens, and 469 pharyngeal specimens, for each investigational reflex test.

Eligibility Criteria

Age Range: No minimum to No maximum

Inclusion Criteria: * Be N. gonorrhoeae-positive on an FDA-cleared molecular assay * Have sufficient N. gonorrhoeae-positive specimen volume for testing using the corresponding investigational reflex test and genetic sequencing * Undergo proper handling and storage conditions Exclusion Criteria: * The N. gonorrhoeae-positive specimen media is not compatible with the investigational reflex test(s) at the laboratory site * The N. gonorrhoeae-positive specimen is not clearly labeled by the laboratory to link to basic epidemiologic data (age, sex) and source

Interventions

DIAGNOSTIC_TEST

Investigational Reflex Test 1

DIAGNOSTIC_TEST

Investigational Reflex Test 2

DIAGNOSTIC_TEST

Investigational Reflex Test 3

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Conditions

Neisseria Gonorrheae Infection

Locations

San Francisco Public Health Laboratory

San Francisco, California 94102

United States

Indiana University School of Medicine

Indianapolis, Indiana 46202

United States

Mississippi State Department of Public Health

Jackson, Mississippi 39216

United States

Corewell Health

Royal Oak, Missouri 48073

United States

LabCorp

Durham, North Carolina 27703

United States

ARUP Laboratories

Salt Lake City, Utah 84108

United States

University of Virginia School of Medicine

Charlottesville, Virginia 22908

United States

Molecular Testing Labs

Vancouver, Washington 98684

United States