S1119 Peruvian H. Pylori Water Contamination Study

November 16, 2015 updated by: Southwest Oncology Group

Gastric Cancer and Helicobacter Pylori Infection in Lima, Peru: The Role of Water Contamination

The objective of this study is to elucidate the role of drinking water derived from the public source in Lima, Peru and transmission of H. pylori infection using genotypic techniques.

Study Overview

Status

Completed

Conditions

Detailed Description

The objective of this study is to detect the presence of Helicobacter Pylori in the drinking water derived from the public network by molecular and genomic techniques in districts of Lima (Brena, Chorrillos, Comas, El Agustino, La Victoria, Lince, Los Olivos, Miraflores, Puente Piedra, Rimac, San Isidro, San Juan de Lurigancho, San Martin de Porres, Villa El Salvador, and Villa Maria del Triunfo) with high and low incidence of gastric carcinoma. The secondary objective of this study is to establish correlations between the findings in water and those of the stomach of patients with symptoms of dyspepsia who live in those districts.

Study Type

Observational

Enrollment (Actual)

107

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Peru
      • Lima, Peru
        • Universidad Peruana Cayetano Heredia

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

17 years to 66 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

Residents of the following districts of Lima, Peru: Brena, Chorrillos, Comas, El Agustino, La Victoria, Lince, Los Olivos, Miraflores, Puente Piedra, Rimac, San Isidro, San Juan de Lurigancho, San Luis, San Martin de Porres, Via El Salvador, Villa Maria del Triunfo.

Description

Inclusion Criteria:

  • adults between the ages of 21-70 years old who have lived for more than 10 years in the Lima districts listed in protocol,
  • who have a biopsy proven diagnosis of infection by H. pylori.
  • participants must be in good general condition, mentally competent and able to provide informed consent;
  • must not show evidence of dehydration or jaundice;
  • must be willing to complete the patient questionnaires.
  • participants must not have known allergies to any of the antibiotics used in the study.

Exclusion Criteria:

  • pregnancy

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Case-Only
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
biopsy proven H. pylori
Patient must have lived in the districts of Lima, Peru listed in the protocol.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Detect H. pylori in public drinking water of Lima Peru
Time Frame: within 1 year of receving last sample
To detect the presence of Helicobacter Pylori (H. pylori) in the drinking water derived from the public network by molecular and genomic techniques in districts of Lima, Peru (districts detailed in protocol).
within 1 year of receving last sample

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Correlation of H. pylori in water and those of stomachs of patients with symptoms
Time Frame: Within 1 year of receiving last sample
To establish correlations between the findings in water and those of the stomach of patients with symptoms of dyspepsia who live in those districts.
Within 1 year of receiving last sample

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Southwest Oncology Group

Collaborators

University of Michigan
Hope Foundation

Investigators

  • Principal Investigator: Manuel Valdivieso, M.D., Southwest Oncology Group

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

December 1, 2011

Primary Completion (Actual)

August 1, 2013

Study Completion (Actual)

November 1, 2013

Study Registration Dates

First Submitted

January 13, 2012

First Submitted That Met QC Criteria

January 18, 2012

First Posted (Estimate)

January 19, 2012

Study Record Updates

Last Update Posted (Estimate)

November 17, 2015

Last Update Submitted That Met QC Criteria

November 16, 2015

Last Verified

November 1, 2015

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • S1119

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Clinical Trials on Helicobacter Pylori Infection

Search Similar Trials

Sponsors and Collaborators

Medical Conditions

Drug Interventions

CROs by country

CROs in Gambia

Conditions

Rare Diseases

Drug Interventions

Dietary Supplements

Sponsor/Collaborators

Locations

Subscribe