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CompletedNCT00396539Updated Feb 3, 2009

Hydrogen Sulfide Production by Oral Microflora

An observational study in Oral Malodor (Halitosis), sponsored by Hadassah Medical Organization. Completed at 1 site in Israel. Open to participants aged 18 Years to 45 Years. Per ClinicalTrials.gov, last updated 2009-02-03.

Sponsored by Hadassah Medical Organization · Observational

Study type
Observational
Time perspective
Prospective
Enrollment
60
Ages
18 Years to 45 Years
Sex
All
01

Study summary

Oral malodor is a common condition. In most cases this condition results from the proteolytic activity of anaerobic oral bacteria. These bacteria produce volatile sulfide compounds which are fowl smelling and are felt during exhalation and speech. the aim of the present study is to examine a simple method of detecting these bacteria in samples taken from the oral cavity of oral malodor patients.

02

Conditions studied

  • Oral Malodor (Halitosis)

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03

In context

Halitosis

88 studies on the registry are indexed under Halitosis; 18 are open to participants now.

This study's planned enrollment of 60 is below the median of 89 across 12 observational studies indexed under Halitosis.

Browse Halitosis studies →

Lead sponsor

Hadassah Medical Organization is the lead sponsor of 659 studies on the registry; 54 are open to participants now.

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

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Who can participate

Ages eligible
18 Years to 45 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • oral malodor patients

Exclusion criteria

Exclusion Criteria:

  • smokers, users of antibiotic one month prior to study
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Study design

Time perspective
Prospective
Enrollment
60 participants (estimated)
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Study locations

1 site
  • Hadassah Medical Organization
    Jerusalem, Israel
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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Feb 3, 2009, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT00396539
Lead sponsor
Hadassah Medical Organization
First posted
Nov 7, 2006
Start date
Jan 2007
Primary completion
Aug 2008
Completion
Sep 2008
Last update
Feb 3, 2009

Study contacts

Nir Sterer, Dr.
principal investigator · Hadassah Medical Organization
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Nov 2006. You cannot join it, but the record below documents what was studied.

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