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Heat-Labile Enterotoxin of Escherichia coli

Phase 2

Diarrhea | Monoclonal antibody | Gastrointestinal |Valneva SE|Last Updated: Mar 14, 2012

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment201

FDA Designations

No designations recorded

Clinical trial landscape

Heat-Labile Enterotoxin of Escherichia coli · 1 trial · 1 indication

Phase 2 1
NCT00516659ETEC Logistics Trial (TREK)Diarrhea
COMPLETED201 Analytics
PHASE2COMPLETED
ETEC Logistics Trial (TREK)
DiarrheaUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence of Enterotoxigenic Escherichia coli (ETEC) illness defined as a diarrheal episode associated with an LT, LT/ST, or ST-positive ETEC strain isolated from a sample of a stool
during the diarrheal episode or within 48 hours after the last stool in the diarrheal episode.
Safety of heat-labile enterotoxin of Escherichia coli (LT) delivered by transcutaneous immunization (TCI) vs placebo
From vaccination 1 to completion of Day 180 follow-up, about a seven month time period

Secondary Endpoints

Stool frequency per episode of ETEC illness in placebo recipients
Duration of stay in Mexico or Guatemala assessed up to four weeks
Immunogenicity of LT delivered by TCI
at least three weeks prior to arrival in country, arrival in Mexico or Guatemala, and 5 to 18 days after arrival
Incidence of irritable bowel syndrome following travel to areas of ETEC endemnicity.
Baseline through six months post return from Latin America. A period of about six months.
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelFACTORIAL

Treatment Arms

ArmTypeDescription
Group 1ACTIVE_COMPARATORGroup 1 subjects will receive two vaccinations via transcutaneous immunization (TCI), 14 to 21 days apart, with a patch containing 37.5µg LT
Group 2PLACEBO_COMPARATORGroup 2 subjects will receive two vaccinations via transcutaneous immunization (TCI), 14 to 21 days apart, with a patch containing 0µg LT (placebo patch containing no LT)

Interventions

NameTypeDescription
Heat-Labile Enterotoxin of Escherichia coli (LT)BIOLOGICALSubjects in Group 1 will receive two vaccinations of a patch containing 37.5µg LT 2 to 3 weeks apart.
PlaceboBIOLOGICALThe placebo patch contains all of the components of the active patch, but with no LT included in the formulation.
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Eligibility Criteria

Age Range18 Years to 64 Years
SexALL
Healthy VolunteersYes
Study Sites19

Inclusion Criteria: * Healthy adult men and women 18-64 years of age inclusive at screening * Signed Informed Consent form * Planned travel to an area within 2 ½ hours traveling distance of Cuernavaca or Guadalajara, Mexico or Antigua, Guatemala (minimum stay of 7 days) * If female who is not post-...

Countries:United StatesGuatemalaMexico
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Frequently asked questions about Heat-Labile Enterotoxin of Escherichia coli

What is Heat-Labile Enterotoxin of Escherichia coli used for?

Heat-Labile Enterotoxin of Escherichia coli is an investigational drug being studied for the prevention of diarrhea. It is currently in Phase 2 clinical development and has not been approved by regulatory authorities.

Who makes Heat-Labile Enterotoxin of Escherichia coli?

Heat-Labile Enterotoxin of Escherichia coli is being developed by Valneva SE, a biopharmaceutical company. Valneva trades on the stock exchange under the ticker symbol VALN.

What phase is Heat-Labile Enterotoxin of Escherichia coli in?

Heat-Labile Enterotoxin of Escherichia coli is in Phase 2 clinical development. It is an investigational drug and has not yet been approved for commercial use. The drug is being studied for the prevention of diarrhea.

What clinical trials is Heat-Labile Enterotoxin of Escherichia coli in?

Heat-Labile Enterotoxin of Escherichia coli has one completed Phase 2 clinical trial, identified as NCT00516659, titled "ETEC Logistics Trial (TREK)". This trial enrolled 201 participants and was conducted in the United States, Guatemala, and Mexico.

Is Heat-Labile Enterotoxin of Escherichia coli the same as ETEC?

Heat-Labile Enterotoxin of Escherichia coli is a drug candidate being developed to prevent diarrhea caused by enterotoxigenic Escherichia coli (ETEC). The clinical trial NCT00516659 is titled "ETEC Logistics Trial (TREK)", indicating its focus on ETEC-related diarrhea.