- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04753788
Evaluation of a LAMP Assay for T. Pallidum. Pertenue (LAMP4YAWS)
March 12, 2024 updated by: London School of Hygiene and Tropical Medicine
Clinical Evaluation of a Loop-mediated Isothermal Amplification Test for Treponema Pallidum Pertenue: A Diagnostic Tool to Support Yaws Eradication
This is a diagnostic evaluation comparing the performance of real-time PCR performed at a national reference laboratory and a LAMP assay performed at a regional hospital for the diagnosis of yaws
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Study Type
Observational
Enrollment (Estimated)
600
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Yaoundé, Cameroon
- Centre Pasteur
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Abidjan, Côte D'Ivoire
- Institut Pasteur
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Accra, Ghana
- Noguchi Memorial Institute of Medical Research
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
No
Sampling Method
Non-Probability Sample
Study Population
Individuals with clinically suspected yaws lesions in Ghana, Cote d'Ivoire and Cameroon will be screened using the DPP Syphilis Screen and Confirm RDT.
If positive samples will be taken for PCR and LAMP testing.
Description
Inclusion Criteria:
- Lesion consistent with yaws
- Positive treponemal and non-treponemal antibodies assessed by the DPP Syphilis Screen and Confirm RDT
Exclusion Criteria:
- Unable to give consent
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Suspected Yaws Cases
Individuals with a lesion clinically suspected to be yaws and with evidence of positive treponemal and non-treponemal serology as assessed by point of care lateral flow tests (DPP Syphilis Screen and Confirm, Chembio)
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qPCR for T.pallidum
LAMP assay for T.pallidum
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Number of cases of yaws confirmed by molecular testing
Time Frame: 15 Months
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A clinically suspected case of yaws where T.pallidum DNA is detected by PCR or LAMP
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15 Months
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
March 15, 2021
Primary Completion (Actual)
September 23, 2023
Study Completion (Estimated)
May 1, 2024
Study Registration Dates
First Submitted
February 9, 2021
First Submitted That Met QC Criteria
February 9, 2021
First Posted (Actual)
February 15, 2021
Study Record Updates
Last Update Posted (Actual)
March 13, 2024
Last Update Submitted That Met QC Criteria
March 12, 2024
Last Verified
October 1, 2023
More Information
Terms related to this study
Other Study ID Numbers
- LSHTM-21633
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
YES
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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