- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01512875
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
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Lima, Peru
- Universidad Peruana Cayetano Heredia
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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
19 years to 68 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 |
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biopsy proven H. pylori
Patient must have lived in the districts of Lima, Peru listed in the protocol.
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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
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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).
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within 1 year of receving last sample
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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
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To establish correlations between the findings in water and those of the stomach of patients with symptoms of dyspepsia who live in those districts.
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Within 1 year of receiving last sample
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
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
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.
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