Oral Antibiotic Treatment of Helicobacter Pylori Reduces Intestinal Colonization Rates With Oxalobacter Formigenes

The investigators are finding out if giving antibiotics for Helicobacter pylori will eliminate colonization of the colon by Oxalobacter formigenes.

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Key information

Conditions

Nephrolithiasis Female Urogenital Diseases Female Urogenital Diseases and Pregnancy Complications Hyperoxaluria Kidney Diseases Male Urogenital Diseases Urogenital Diseases Urolithiasis Urologic Diseases

Age range

18 year–80 year

Sex eligibility

All sexes

Study type

Observational

About this study

Background and objectives: Oxalobacter formigenes (OF) may play a protective role in preventing calcium oxalate stones. Intestinal colonization by OF is associated with reduced urinary oxalate excretion. Exposure to antibiotics may be an important factor contributing to variable rates of colonization. This is the first prospective study to evaluate the effect of antibiotics on OF colonization.

Design, setting, participants, & measurements: The effect of antibiotics on OF colonization was compared in 2 groups: a group receiving antibiotics for gastric infection with Helicobacter pylori (HP) and a group without HP that not receiving antibiotics. OF colonization in stool was detected by oxalate degradation at baseline and after 1 and 6 months.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

age 18-80 years old
undergoing upper endoscopy
H. pylori present or absent on gastric histology
stool positive for Oxalobacter formigenes

Exclusion criteria

unable to consent
stool negative for Oxalobacter formigenes

Sponsors and collaborators

Lead sponsor

VA New York Harbor Healthcare System

Fed

Registry information

Important dates

Study start: 2003
Primary completion: 2008
Study completion: 2008
First posted: Feb 21, 2011
Registry last updated: Feb 21, 2011

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

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This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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