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Not yet recruitingNCT06584214Updated Sep 4, 2024

Evaluation of the Diagnostic Sensitivity and Specificity of the Determine™ Syphilis Advanced Test.

An interventional study of Diagnostic test: Determine™ Syphilis Advanced test in Syphilis Infection, sponsored by Abbott Rapid Dx. Not yet recruiting at 1 site in Uganda. Open to participants aged 12 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2024-09-04.

Sponsored by Abbott Rapid Dx (part of Abbott) · Not applicable, Interventional, and Diagnostic

From the registry’s dates

  • Primary completion was expected by Dec 2024, 1 year 11 months ago, but the record still lists the study as not yet recruiting.
Phase
Not applicable
Study type
Interventional
Enrollment
400
Allocation
Not applicable
Ages
12 Years and older
Sex
All
01

Study summary

This is a prospective, multi-centre study which will evaluate the diagnostic sensitivity and specificity of the Determine™ Syphilis Advanced test. The test is intended for professional use and the performance evaluation will be performed by professional healthcare and laboratory staff. The study will also have a retrospective study arm. The Determine™ Syphilis Advanced validation will be conducted in accordance with the World Health Organization\'s TSS-6 guidance on Syphilis rapid diagnostic tests, ISO 20916 (In vitro diagnostic medical devices - Clinical performance studies using specimens from human subjects - Good study practice), the study protocol, Good Clinical Practice and the respective local medical device laws.

Read the detailed description

Syphilis is a sexually transmitted infection (STI) caused by the spirochete Treponema pallidum subspecies. Globally, there were an estimated 7.1 million adults between 15 and 49 years of age who acquired syphilis in 2020. Syphilis is transmitted through sexual contact with infectious lesions, through blood transfusions and from mother-to-child during pregnancy; most infections are asymptomatic or unrecognized. Without treatment, the disease lasts for many years and is divided into stages: primary syphilis, secondary syphilis and latent syphilis. Mother-to-child transmission of syphilis (congenital syphilis) can adversely affect the foetus, but this can be averted by early detection and treatment of the mother during pregnancy.

Determine™ Syphilis Advanced is an in vitro, visually read, qualitative immunoassay for the detection of antibodies to Treponema pallidum, in human capillary and venous whole blood, plasma or serum.

The test is intended for professional use, and the performance evaluation will be performed by professional healthcare and laboratory staff. Results for all sample types (capillary and venous whole blood, plasma or serum) will be evaluated against reference test results. In addition, for a sub-cohort, the Determine™ Syphilis Advanced test will be compared with the commercially available Determine™ Syphilis TP and the SERODIA-TPPA tests. Study staff performing the testing using the Determine™ Syphilis Advanced will be blinded to the participants' syphilis infection status and all other study syphilis test results. The study will enrol prospective participants, and will also have a retrospective study group.

02

Conditions studied

  • Syphilis Infection

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03

In context

Syphilis

126 studies on the registry are indexed under Syphilis; 34 are open to participants now.

This study's planned enrollment of 400 is above the median of 354 across 85 interventional studies indexed under Syphilis.

Browse Syphilis studies →

Lead sponsor

Abbott Rapid Dx is the lead sponsor of 12 studies on the registry; 6 are open to participants now.

First submitted after Abbott Rapid Dx became part of Abbott.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
12 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • 12 years of age or older.
  • The participant has confirmed previous / current syphilis according to their medical history, or the participant has unknown or negative syphilis infection status.
  • The participant agrees to provide written .
  • The participant agrees to complete all aspects of the study.

Additional inclusion criteria for frozen samples:

  • The ethics committee-required written informed consent for study testing, or required documentation for sample use from a commercial vendor, is available.
  • Sufficient volume for testing is available and the sample quality is adequate (for example no significant sample hemolysis)
  • The sample must have been collected in EDTA vacutainers or serum tubes, processed to plasma and the plasma frozen within 36 hours of blood collection.

Exclusion criteria

Exclusion Criteria:

  • Participant has already participated in this study on a previous occasion.
  • Participant is deemed vulnerable and / or unfit for participation in the study by the Investigator.
  • Participant is unwilling or unable to provide .
  • Participant is currently enrolled in a study to evaluate an new drug or vaccine.

Additional exclusion criteria for frozen samples

  • The sample has undergone more than one freeze thaw cycle
  • The sample has been kept at -20 °C (± 5 °C) longer than 12 months. If the sample has been kept longer than 12 months, the storage temperature must have been colder than -20 °C (± 5 °C).
Terms in these criteria, in plain language(2)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Investigational drug or device

A drug or device being studied in a clinical trial.

It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.

05

Study design

Phase
Not applicable
Primary purpose
Diagnostic
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
400 participants (estimated)

Study arms

  • Experimental
    Diagnostic test: Determine™ Syphilis Advanced test

    Diagnostic test: Testing using the Determine™ Syphilis Advanced test will be conducted by study staff members.

    Diagnostic Test: Diagnostic test: Determine™ Syphilis Advanced test

Interventions

  • Diagnostic testDiagnostic test: Determine™ Syphilis Advanced test

    The Determine™ Syphilis Advanced test is intended as an aid in detecting antibodies to Treponema pallidum in individuals with current or past infection.

06

What researchers measure

Primary outcomes

  1. To determine the diagnostic sensitivity and specificity of the Determine™ Syphilis Advanced test results using fingerstick capillary whole blood, venous whole blood, serum and venous plasma, when the test is performed by professional users.

    The diagnostic sensitivity and specificity of the Determine™ Syphilis Advanced test will be evaluated versus laboratory reference testing.

    Time frame: 4 months

  2. To compare the performance of the Determine™ Syphilis Advanced test with two commercially available similar tests

    The Determine™ Syphilis Advanced test will be compared with two commercially available tests. These tests are the TPPA test (SERODIA-TPPA, Fujirebio) and the Determine™ Syphilis TP (Abbott) test.

    Time frame: 4 months

Secondary outcomes

  1. To evaluate the usability through completion of a user experience questionnaire.

    A user experience questionnaire will be completed by study healthcare staff. The users will evaluate the ease of use, and confidence in correct performance, of various test steps and result interpretation. The response options are ranked on a scale of 1-5. where option 1 stands for Very easy, or Very confident as applicable, and 5 stands for Very Difficult, or Very unsure as applicable.

    Time frame: 4 months

  2. To determine the stability of venous whole blood, serum and plasma samples for use with Determine™ Syphilis Advanced, after refrigeration .

    Venous whole blood, serum and plasma will be stored at 2-8 degrees Celsius during 7 days before testing with Determine™ Syphilis Advanced.

    Time frame: 4 months

07

Study locations

1 site
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Start is estimated for Sep 2024; primary completion for Dec 2024, 3 months later.

Of 25 interventional studies with no phase under Syphilis, half reached primary completion within 29 months of starting (the median), counting those still running; a quarter within 9 and three quarters within 42. This study's planned 3 months is below that.

How these figures are worked out, and which studies are left out of them.

Registered
Aug 29, 2024
First posted
Sep 4, 2024
StartEst.
Sep 2024
Primary completionEst.
Dec 2024
CompletionEst.
Dec 2024
Last update
Sep 4, 2024
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Sep 4, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06584214
Lead sponsor
Abbott Rapid Dx
Responsible party
Sponsor
First posted
Sep 4, 2024
Start date
Sep 2024 (estimated)
Primary completion
Dec 2024 (estimated)
Completion
Dec 2024 (estimated)
Last update
Sep 4, 2024

Study contacts

Camilla Forssten, PhD
Contact
camilla.forssten@abbott.com
+44 7792 902 244
Simon Kordowich, PhD
Contact
simon.kordowich@abbott.com
+49 162-136-8985
Pontiano Kaleebu, Professor, MD PhD
principal investigator · MRC/UVRI and LSHTM Uganda Research Unit

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is not yet recruiting, as verified in Sep 2024. You cannot join it, but the record below documents what was studied.

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