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Peer reviewedOpen accessSyphilis

Metaanalysis of the Performance of a Combined Treponemal and Nontreponemal Rapid Diagnostic Test for Syphilis and Yaws

Clinical Infectious Diseases·

Michael Marks, Yue-Ping Yin, Xiang-Sheng Chen, Arnold Castro, Louise Causer, Rebecca Guy, Regina Wangnapi, Oriol Mitjà, Abdul Aziz, Rita Castro, Filomena da Luz Martins Pereira, Fasihah Taleo, Jérôme Guinard, Laurent Bélec, Ye Tun, Christian Bottomley, Ronald C. Ballard, David C.W. Mabey

DOI
10.1093/cid/ciw348
PMID
27217216
PMCID
PMC4981758
OpenAlex
W2403032254
Study type
Meta-analysis
Publisher
Oxford University Press (OUP)
Article type
journal-article
Integrity
current

Why this research matters now

Rapid diagnostic tests could expand screening access for syphilis, which causes substantial stillbirth and neonatal mortality through vertical transmission, and for yaws, with nearly 100,000 endemic cases reported annually.

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Structured evidence summary

Research question

The study evaluated the diagnostic performance of the Dual Path Platform Syphilis Screen & Confirm rapid test, which includes both treponemal and nontreponemal components, for diagnosing syphilis and yaws.

Study design

Meta-analysis pooling published and unpublished evaluations of the DPP rapid diagnostic test, comparing its performance against reference laboratory tests.

Population and setting

Nine evaluations encompassing 7267 tests in patients with suspected syphilis and yaws.

Main findings

The treponemal component showed higher sensitivity in high-titer cases (98.2% at RPR ≥1:16 vs 90.1% at lower titers, P<0.001), and similar patterns were observed for the nontreponemal component. Both components demonstrated good sensitivity and specificity for syphilis and yaws diagnosis, though sensitivity decreased at lower antibody titers.

Public-health relevance

Rapid diagnostic tests could expand screening access for syphilis, which causes substantial stillbirth and neonatal mortality through vertical transmission, and for yaws, with nearly 100,000 endemic cases reported annually.

Important limitations

The summary relies on the supplied single-article abstract and metadata. Reduced diagnostic sensitivity at lower antibody titers may limit detection of early or treated infection. Full interpretation requires access to the complete manuscript.

GIDS interpretation

This meta-analysis was identified through disease and topic classifiers linking it to syphilis diagnostics, transmission dynamics, and treatment. The classifier tags enable discovery of diagnostic performance evidence within the surveillance literature corpus but do not indicate an active surveillance signal.

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Related GIDS surveillance

Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.

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Evidence relationships

This article has 8 auditable classifier relationships to diseases, places, topics, and study design.

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