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Completed

NCT Number: NCT02870101

Performance of Nucleic Acid Amplification Tests for the Detection of NG and CT

The purpose of this study was to use participant samples to simultaneously evaluate three nucleic acid amplification tests (NAATs) diagnostic platforms.

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Key information

Conditions

Neisseria Gonorrhoeae Infection Bacterial Infections Bacterial Infections and Mycoses Chlamydia Trachomatis Infection Communicable Diseases Disease Attributes Female Urogenital Diseases Female Urogenital Diseases and Pregnancy Complications Genital Diseases Genital Diseases, Female Genital Diseases, Male Gonorrhea Gram-Negative Bacterial Infections Infections Male Urogenital Diseases Neisseriaceae Infections Pathologic Processes Pathological Conditions, Signs and Symptoms Sexually Transmitted Diseases Sexually Transmitted Diseases, Bacterial Sexually Transmitted Infections Urogenital Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

AIDS Health Foundation - Hollywood, Hollywood, California, United States

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About this study

Background & Significance: Infections due to Neisseria gonorrhoeae (NG) and Chlamydia trachomatis (CT) are major threats to public health. Most CT and NG infections are asymptomatic, but infection can lead to serious sequelae, including infertility, chronic pelvic pain, adverse obstetrical outcomes, increased risk of acquiring the human immunodeficiency virus (HIV), and disseminated infection.

There has also been growing concern over antibiotic resistance. In 2013, the US Centers for Disease Control and Prevention (CDC) classified drug-resistant NG as one of the three urgent-level resistant bacteria. Improved detection of extragenital NG is thought to be a crucial component of adequate treatment and for prevention of further resistance.

Currently, the CDC recommends using NAATs to screen and diagnose for NG and CT in the genitourinary tract due to their superior sensitivity compared to traditional culture methods. There are currently no FDA-approved commercial NAAT tests for the detection of pharyngeal and rectal NG or CT infections. The goal of this study is to evaluate the diagnostic performance of three NAAT assays for detection of extragenital NG and CT infections.

Design & Procedures: A cross-sectional, single visit study evaluating the performance of three commercial NAATs to detect NG and CT in the rectum and pharynx. A fourth NAAT will be used as a tiebreaker. The performance of the fourth NAAT will not be evaluated. Each manufacturer will provide a specific swab collection kit and transport media.

This research study will take place at healthcare clinics that focus on sexually transmitted infections, women's health, student health, family planning, and lesbian, gay, bisexual, and transgender (LGBT) health. This research will include specimens collected from adult males, females, and transgender persons seeking sexually transmitted infection (STI) testing at the participating study clinics. Both symptomatic and asymptomatic participants are included in the study population.

Potential participants will be identified, assessed for eligibility, and asked to provide oral informed consent. If a potential participant agrees to take part in the research, the participant will have eight total swabs collected: four swabs from the pharynx and four swabs from the rectum. The swabs needed for routine clinical care are taken first prior to collection of the research study swabs. All study procedures take place during one clinic visit; there are no follow-up visits as part of the study. Participants continue with routine clinical care as directed by their medical providers.

Subject participation is confidential and anonymous. The results of the tests and participation in this research are not placed in the participant's medical records.

Each study swab is used for a specific NAAT and tested at one of the two reference testing laboratories. The Anatomic Site Infection Status (ASIS) is defined by the results of the two other NAATs, and, if necessary, results from the tiebreaker NAAT. Each anatomic site is considered in isolation. If fewer than four swabs at an anatomic site are completed, then the test results from that specific anatomic site are excluded from analysis.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Attending a participating clinic for evaluation of sexually transmitted infections (STIs)
  • ≥18 years of age at date of screening
  • Able and willing to provide informed consent
  • Willing to comply with study procedures, including collection of 4 swabs each from the pharynx and rectum for NG and CT testing

Exclusion criteria

  • Receipt of any systemic antibacterial drug in the past 14 days
  • Receipt of myelosuppressive chemotherapy in the past 30 days

Treatment and study plan

Nucleic acid amplification test 1 for NG and CT

Diagnostic Test

A combination test using real-time PCR to detect DNA from NG and CT.

Nucleic acid amplification test 2 for NG and CT

Diagnostic Test

A combination test using target amplification to detect RNA from NG and CT.

Nucleic acid amplification test 3 for NG and CT

Diagnostic Test

A combination test using real-time PCR to detect DNA from NG and CT.

Primary outcomes

  1. Number of Participants With Nucleic Acid Amplification Test (NAAT) 1 Index Test Results Relative to Anatomic Site Infection Status (ASIS) Reference Results for Neisseria Gonorrhoeae (NG) in Pharynx

    Time frame: One day

    NAAT 1 index test results include negative, positive, and no result. ASIS reference results are the combination of the NAAT 2 and NAAT 3 index test results. ASIS reference results include negative, positive, indeterminate, and invalid.

  2. Number of Participants With Nucleic Acid Amplification Test (NAAT) 1 Index Test Results Relative to Anatomic Site Infection Status (ASIS) Reference Results for Neisseria Gonorrhoeae (NG) in Rectum

    Time frame: One day

    NAAT 1 index test results include negative, positive, and no result. ASIS reference results are the combination of the NAAT 2 and NAAT 3 index test results. ASIS reference results include negative, positive, indeterminate, and invalid.

  3. Number of Participants With Nucleic Acid Amplification Test (NAAT) 2 Index Test Results Relative to Anatomic Site Infection Status (ASIS) Reference Results for Neisseria Gonorrhoeae (NG) in Pharynx

    Time frame: One day

    NAAT 2 index test results include negative, positive, equivocal, and no result. ASIS reference results are the combination of the NAAT 1 and NAAT 3 index test results. ASIS reference results include negative, positive, indeterminate, and invalid

  4. Number of Participants With Nucleic Acid Amplification Test (NAAT) 2 Index Test Results Relative to Anatomic Site Infection Status (ASIS) Reference Results for Neisseria Gonorrhoeae (NG) in Rectum

    Time frame: One day

    NAAT 2 index test results include negative, positive, equivocal, and no result. ASIS reference results are the combination of the NAAT 1 and NAAT 3 index test results. ASIS reference results include negative, positive, indeterminate, and invalid.

  5. Number of Participants With Nucleic Acid Amplification Test (NAAT) 3 Index Test Results Relative to Anatomic Site Infection Status (ASIS) Reference Results for Neisseria Gonorrhoeae (NG) in Pharynx

    Time frame: One day

    NAAT 3 index test results include negative, positive, and no result. ASIS reference results are the combination of the NAAT 1 and NAAT 2 index test results. ASIS reference results include negative, positive, indeterminate, and invalid.

  6. Number of Participants With Nucleic Acid Amplification Test (NAAT) 3 Index Test Results Relative to Anatomic Site Infection Status (ASIS) Reference Results for Neisseria Gonorrhoeae (NG) in Rectum

    Time frame: One day

    NAAT 3 index test results include negative, positive, and no result. ASIS reference results are the combination of the NAAT 1 and NAAT 2 index test results. ASIS reference results include negative, positive, indeterminate, and invalid.

  7. Number of Participants With Nucleic Acid Amplification Test (NAAT) 1 Index Test Results Relative to Anatomic Site Infection Status (ASIS) Reference Results for Chlamydia Trachomatis (CT) in Pharynx

    Time frame: One day

    NAAT 1 index test results include negative, positive, and no result. ASIS reference results are the combination of the NAAT 2 and NAAT 3 index test results. ASIS reference results include negative, positive, indeterminate, and invalid.

  8. Number of Participants With Nucleic Acid Amplification Test (NAAT) 1 Index Test Results Relative to Anatomic Site Infection Status (ASIS) Reference Results for Chlamydia Trachomatis (CT) in Rectum

    Time frame: One day

    NAAT 1 index test results include negative, positive, and no result. ASIS reference results are the combination of the NAAT 2 and NAAT 3 index test results. ASIS reference results include negative, positive, indeterminate, and invalid.

  9. Number of Participants With Nucleic Acid Amplification Test (NAAT) 2 Index Test Results Relative to Anatomic Site Infection Status (ASIS) Reference Results for Chlamydia Trachomatis (CT) in Pharynx

    Time frame: One day

    NAAT 2 index test results include negative, positive, equivocal, and no result. ASIS reference results are the combination of the NAAT 1 and NAAT 3 index test results. ASIS reference results include negative, positive, indeterminate, and invalid.

  10. Number of Participants With Nucleic Acid Amplification Test (NAAT) 2 Index Test Results Relative to Anatomic Site Infection Status (ASIS) Reference Results for Chlamydia Trachomatis (CT) in Rectum

    Time frame: One day

    NAAT 2 index test results include negative, positive, equivocal, and no result. ASIS reference results are the combination of the NAAT 1 and NAAT 3 index test results. ASIS reference results include negative, positive, indeterminate, and invalid.

  11. Number of Participants With Nucleic Acid Amplification Test (NAAT) 3 Index Test Results Relative to Anatomic Site Infection Status (ASIS) Reference Results for Chlamydia Trachomatis (CT) in Pharynx

    Time frame: One day

    NAAT 3 index test results include negative, positive, equivocal, and no result. ASIS reference results are the combination of the NAAT 1 and NAAT 2 index test results. ASIS reference results include negative, positive, indeterminate, and invalid.

  12. Number of Participants With Nucleic Acid Amplification Test (NAAT) 3 Index Test Results Relative to Anatomic Site Infection Status (ASIS) Reference Results for Chlamydia Trachomatis (CT) in Rectum

    Time frame: One day

    NAAT 3 index test results include negative, positive, equivocal, and no result. ASIS reference results are the combination of the NAAT 1 and NAAT 2 index test results. ASIS reference results include negative, positive, indeterminate, and invalid.

Sponsors and collaborators

Lead sponsor

Duke University

Other

Collaborators

  • National Institute of Allergy and Infectious Diseases (NIAID)

Registry information

Official study title

Performance of Nucleic Acid Amplification Tests for the Detection of Neisseria Gonorrhoeae and Chlamydia Trachomatis in Extragenital Sites

Acronym: pNAAT

Important dates

Study start
2017
Primary completion
2018
Study completion
2018
First posted
Aug 17, 2016
Registry last updated
May 15, 2019

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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