Dose Ranging Study to Determine the Safety, Reactogenicity and Immunogenicity of Typhoid Fever Vaccine (Ty800) in Healthy Adult Subjects

NCT ID: NCT00498654

Last Updated: 2008-07-02

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

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

180 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-07-31

Study Completion Date

2008-06-30

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The purpose of this trial is to examine the safety and immunogenicity of Ty800 oral vaccine in healthy adult subjects.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Typhoid Fever

Keywords

Explore important study keywords that can help with search, categorization, and topic discovery.

Prevention of Typhoid Fever in Adult Travelers

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

Ty800 (Salmonella typhi) Oral Vaccine

Intervention Type BIOLOGICAL

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Healthy Males or Females aged 18 to 55 years, inclusive
* Capable of understanding and complying with the protocol requirements and be available for the duration of the protocol

Exclusion Criteria

* History of malignancy, immunocompromised conditions or currently receiving immunosuppressive treatment including systemic steroids
* History of Typhoid Fever infection, vaccination against typhoid fever or participation in a Clinical Trial using S.typhi organism at any time
* History of travel to a typhoid endemic region within the last 5 years or history of raising a child from an endemic area. Endemic regions are South and East Asia, the Indian Subcontinent, Africa and Central and South America including Mexico
* History of persistent diarrhea, blood in stool, peptic ulcer disease, or inflammatory bowel disease
* Allergies or sensitivities to antibiotics, notably quinolones, penicillins, sulfonamides, cefalosporins and chloramphenicol, and components of the buffer solution, notably aspartame.
* People who are commercial food handlers, day care workers, or health care workers involved in direct patient care. Also people with young children under 2 years of age at home or household contacts who are immunocompromised, pregnant or breast-feeding
Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Avant Immunotherapeutics

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

AVANT Immnunotherapeutics

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Clark McKeever, MD

Role: PRINCIPAL_INVESTIGATOR

Accelovance LLC

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Accelovance LLC

San Diego, California, United States

Site Status

Accelovance LLC

Melbourne, Florida, United States

Site Status

Accelovance LLC

Peoria, Illinois, United States

Site Status

Accelovance LLC

South Bend, Indiana, United States

Site Status

Accelovance LLC

Houston, Texas, United States

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

Ty800-07-0001

Identifier Type: -

Identifier Source: org_study_id