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Home > "A" Clinical Trials Conditions > A Study of Dryvax Vaccine Against Smallpox in Previously Unvaccinated Adults  A Study of Dryvax Vaccine Against Smallpox in Previously Unvaccinated Adults
A Study of Dryvax Vaccine Against Smallpox in Previously Unvaccinated Adults
For Condition: Smallpox
Status: Completed
Sponsor(s): National Institute of Allergy and Infectious Diseases (NIAID) ,
Synopsis: The purpose of this study is to see how many people respond to a smallpox vaccine when a sore forms where the shot was given. The world was declared free of smallpox in 1980. General routine vaccinations for smallpox were stopped in the U.S. in 1971. In 1976, the recommendation for routine vaccination of healthcare workers was also discontinued. The only people who presently receive this vaccine are people who work with vaccinia virus or monkeypox virus. Because the world was considered free of smallpox infections, this vaccine was no longer produced; there is a limited supply available in the United States. Because of the limited amount of Dryvax vaccine (vaccinia virus) against smallpox, this study will look at the ability to dilute the vaccine making more doses available in the event of a smallpox outbreak. The study seeks to characterize a strategy of vaccination against smallpox with various doses of Dryvax, followed by revaccination with the same dose, if required, in volunteers 18-32 years of age with a negative history of smallpox vaccination.
Details:
Eligibility:
Study Type: Interventional, Prevention, Double-Blind
Minimum Age/Maximum Age: 18 Years/32 Years
Genders: Both
Protocol Entry Criteria: Inclusion Criteria: Patients may be eligible for this study if they: - Are between 18 and 32 years of age. - Give written informed consent. - Are available for follow-up for 2.5 months. - Have an acceptable medical history by screening evaluation and brief clinical assessment. - Are HIV-negative. - Agree to use acceptable contraception and to not get pregnant during the study. Exclusion Criteria: Patients may not be eligible for this study if they: - Have a suppressed immune system. - Have participated in an HIV vaccine trial. - Have liver disease, diabetes, or kidney problems. - Have malignant skin cancer. - Have autoimmune disease. - Have used medication that suppresses the immune system. - Have had psychiatric or medical problems or have job responsibilites that will keep them from participating in the study. - Use illegal intravenous drugs. - Have received any live vaccines within 60 days of study start. - Have used experimental therapies within 30 days before study start. - Have been vaccinated with certain experimental vaccines. - Have a vaccination scar but have no record of having a vaccine. - Have received a smallpox vaccine. - Have taken blood products or immunoglobulin in the past 6 months. - Have a fever on the day of vaccination. - Have certain skin disorders, including eczema, exfoliative skin, lacerations that require stitches or burns larger than 2 x 2 cm. - Live with, have sexual contact with, or work with anyone who is pregnant, less than a year old, has eczema, has certain skin disorders, has a disease or takes medication that suppresses the immune system. - Have a condition that, in the opinion of the investigator, might interfere with the study. - Are allergic to any parts of the vaccine. - Are allergic to thimerosal, immunoglobulins, cidofovir, or probenecid. - Are pregnant or breast feeding.
Total Enrollment:
Location and Contact Information:
University of Maryland
Baltimore, Maryland,
United States
University of Rochester
Rochester, New York, 14642
United States
St. Louis University
St. Louis, Missouri,
United States
Baylor College of Medicine
Houston, Texas, 77030
United States
Additional Information:
Study ID Numbers: DMID 01-632;
Study Start Date:
Record last reviewed: November 2001
Additional information available at: clinicaltrials.gov
Clinicaltrials.gov Reference link: NCT00026611
Other Smallpox Studies:
1. Assessment of dryvax in previously vaccinated adults
2. Dose On Safety, Tolerability, and Immunogenicity of ACAM2000 Smallpox Vaccine in Adults With Previous Smallpox Vaccination
3. Dressing Preparation Comparison for Smallpox Vaccination Sites
4. Dose Safety, Tolerability, and Immunogenicity of a New Smallpox Vaccine in Adults without Previous Smallpox Vaccination
5. Safety and Immunogenicity of Smallpox Vaccine MVA-BN
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A Study of Dryvax Vaccine Against Smallpox in Previously Unvaccinated Adults
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