Candidiasis Clinical Trial
Official title:
Validity of Patient-Collected Wet Mounts
Purpose/Objectives: To compare wet mount findings for clue cells, yeast, trichomonads and
white blood cells per high-power field in self-collected vaginal specimens, compared to
clinician-collected specimens, among symptomatic women visiting the San Antonio Metropolitan
Health sexually transmitted disease clinic.
Research Design/Plan: Prospective, non-randomized, non-blinded trial
Methods: Obtain informed consent and specimens from 40 symptomatic adult females (eg
abnormal discharge, odor and/or itching). Calculate concordance between clinician- and
patient-collected samples using a Wilcoxon Matched-Pair test. Calculate sensitivity,
specificity, positive predictive value and negative predictive value of the
patient-collected wet mount, using the clinician-collected specimens as the "gold standard."
Clinical Relevance: A "wet mount," or microscopic examination, is commonly used to diagnose
trichomoniasis and yeast in females, and constitutes one diagnostic element for bacterial
vaginosis. While patient-collected vaginal swabs are acceptable for nucleic acid probe tests
for chlamydia and gonorrhea and nucleic acid probe tests for trichomoniasis little
information about patient-collected wet mounts exists in the literature. Self-collection by
women before being seen by a clinician can increase the speed and efficiency of the visit.
The method is highly acceptable to women. In the investigators' clinic, women routinely
collect their own gonorrhea and chlamydia swabs, so adding an additional swab would not be
burdensome.
Status | Completed |
Enrollment | 77 |
Est. completion date | August 2016 |
Est. primary completion date | July 2016 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - adult, - nonpregnant - females - with vaginal complaint (ie abnormal discharge, odor, itching) Exclusion Criteria: - minors <18 yo - pregnant |
Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic
Country | Name | City | State |
---|---|---|---|
United States | San Antonio Metropolitan Health District | San Antonio | Texas |
Lead Sponsor | Collaborator |
---|---|
The University of Texas Health Science Center at San Antonio |
United States,
Van Der Pol B, Williams JA, Taylor SN, Cammarata CL, Rivers CA, Body BA, Nye M, Fuller D, Schwebke JR, Barnes M, Gaydos CA. Detection of Trichomonas vaginalis DNA by use of self-obtained vaginal swabs with the BD ProbeTec Qx assay on the BD Viper system. J Clin Microbiol. 2014 Mar;52(3):885-9. doi: 10.1128/JCM.02966-13. Epub 2014 Jan 3. — View Citation
Workowski KA, Berman S; Centers for Disease Control and Prevention (CDC). Sexually transmitted diseases treatment guidelines, 2010. MMWR Recomm Rep. 2010 Dec 17;59(RR-12):1-110. Erratum in: MMWR Recomm Rep. 2011 Jan 14;60(1):18. Dosage error in article text. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Concordance of patient-collected and clinician-collected wet mounts | Assess for concordance of clue cells, yeast, trichomonads and white blood cells per high-power field between patient collected vaginal swab and physician collected vaginal swab. | to be reviewed immediately at time of collection, documented and specimens discarded. No ongoing comparison, this will only be a single point in time comparison between the physician collected specimen and the patient collected specimen. | No |
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