Traveler's Diarrhea (TD) Vaccine Asia Efficacy Study

NCT ID: NCT01040325

Last Updated: 2012-03-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

723 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-12-31

Study Completion Date

2010-12-31

Brief Summary

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The purpose of this study is to evaluate the efficacy of the TD Vaccine System to prevent moderate to severe enterotoxin E.coli (ETEC) disease in travelers to India.

Detailed Description

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Conditions

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Traveler's Diarrhea

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Active

358 subjects receive a two vaccination regimen with an LT patch

Group Type EXPERIMENTAL

TD Vaccine System

Intervention Type BIOLOGICAL

TD Vaccine System containing heat labile enterotoxin of E. coli (LT)

Placebo

358 subjects receive a two vaccination regimen with placebo patch

Group Type PLACEBO_COMPARATOR

TD Vaccine System

Intervention Type BIOLOGICAL

TD Vaccine System Containing Placebo Product

Interventions

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TD Vaccine System

TD Vaccine System containing heat labile enterotoxin of E. coli (LT)

Intervention Type BIOLOGICAL

TD Vaccine System

TD Vaccine System Containing Placebo Product

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* 18-64 years of age at date of first vaccination
* Good health as determined by medical history and physical inspection
* Females of child-bearing potential must have a negative pregnancy test prior to first and second vaccination in the country of origin; females of child-bearing potential must agree not to become pregnant throughout the duration of study
* Subjects must have planned travel to DC, within 3 hours traveling distance of approved study site(s), for a minimum duration of stay of 7 days (no maximum stay is specified for inclusion).
* Subject must be able to communicate in English

Exclusion Criteria

* Abnormalities as determined by the Investigator/clinician during physical inspection;
* Participated in research involving investigational product within 30 days before planned date of first vaccination;
* Ever received LT, ETEC, or cholera vaccine;
* History of diarrhea while traveling in a developing country within the last year;
* Women who are pregnant or breastfeeding;
* Clinically significant underlying enteric, pulmonary, cardiac, liver or renal disease;
* History of Irritable Bowel Syndrome;
* Seizure disorder within the last year;
* Current use of immunosuppressive therapy (excluding inhaled steroids) or immunodeficiency;
* Known or suspected alcohol abuse or illicit drug use within the last year;
* Medical history of HIV, HBV, or HCV;
* An employee of a study site;
* Known allergies to any component of the vaccine, including adhesives;
* Planned use of antibiotics with known activity against gram negative facultative anaerobes;
* Planned use of antacids, antidiarrheals, loperamide, bismuth subsalicylate, diphenoxylate or similar from two weeks prior to randomization through the surveillance phase of the study;
* An employee of Intercell (global) or an immediate family member.
Minimum Eligible Age

18 Years

Maximum Eligible Age

64 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Intercell USA, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Robert Steffen, MD

Role: PRINCIPAL_INVESTIGATOR

University of Zurich

Locations

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Belinger Centrum Reise & Tropenmedizin

Berlin, , Germany

Site Status

Tropical Medicine and Bernhard-Nocht Ints

Hamburg, , Germany

Site Status

Dr. Tito's Health Care and Diagnostic Centre

Goa, , India

Site Status

Prabhugaunker's Clinic

Goa, , India

Site Status

Wellesley Medicentre

Kolkata, , India

Site Status

Pushpawati Singhania Research Institute

New Delhi, , India

Site Status

Samvedna Hospital

Varanasi, , India

Site Status

Synexus

Reading, Berkshire, United Kingdom

Site Status

Bio-Kinetic Europe Ltd

Belfast, Northern Ireland, United Kingdom

Site Status

Synexus Ltd

Chorley, , United Kingdom

Site Status

Guy's Drug Research Unit

London, , United Kingdom

Site Status

Hospital for Tropical Diseases

London, , United Kingdom

Site Status

Countries

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Germany India United Kingdom

Other Identifiers

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EudraCT Number: 2009-015603-10

Identifier Type: -

Identifier Source: secondary_id

ELT209

Identifier Type: -

Identifier Source: org_study_id

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