Study Stopped
CDC's decision to down-select vaccine development to single candidate, ACAM2000
Dose Safety, Tolerability, and Immunogenicity of a New Smallpox Vaccine in Adults Without Previous Smallpox Vaccination
The Effect of Dose On Safety, Tolerability, and Immunogenicity of ACAM1000 Smallpox Vaccine in Adults Without Previous Smallpox Vaccination A Phase 2, Randomized, Double-Blind, Dose-Response Study
1 other identifier
interventional
274
1 country
3
Brief Summary
The purpose of this study is to examine the safety and the effectiveness of a new vaccine for the prevention of the disease, smallpox.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_2
Started Sep 2002
Shorter than P25 for phase_2
3 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2002
CompletedFirst Submitted
Initial submission to the registry
January 30, 2003
CompletedFirst Posted
Study publicly available on registry
January 31, 2003
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2003
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2003
CompletedJanuary 22, 2014
January 1, 2014
6 months
January 30, 2003
January 17, 2014
Conditions
Outcome Measures
Primary Outcomes (1)
The proportion of subjects in each treatment group who develop a major cutaneous reaction on Day 7, Day 10, and/or Day 15.
Day 7, Day 10, and/or Day 15
Secondary Outcomes (1)
1.The comparison of treatment groups for the proportion of subjects developing a >fourfold rise in neutralizing antibodies. 2. neutralizing antibody response. 3. geometric mean neutralizing titer on day 31 will be compared between treatment groups.
days 0 and 30, day 31
Study Arms (4)
Group 1
EXPERIMENTALACAM1000
Group 2
EXPERIMENTALACAM1000
Group 3
EXPERIMENTALACAM1000
Group 4
ACTIVE COMPARATORDryvax
Interventions
Group 1 dose: 1.4 x 10-8th PFU/ml (350,000 PFU) Group 2 dose: 2.8 x 10-7th PFU/ml (70,000 PFU) Group 3 dose: 5.6 x 10-6th PFU/ml (14,000 PFU)
group 4 dose: 1.6 x 10-8th PFU/ml (250,000 PFU)
Eligibility Criteria
You may qualify if:
- in good general health.
- not pregnant and using effective birth control
- agreed to participate in entire study and comply with protocol requirements.
You may not qualify if:
- military service prior to 1989.
- no previous smallpox vaccination.
- no contact with with children 1 year of age or younger
- immunodeficiency individuals or close contacts who are immunodeficient
- past history or current renal disease
- diagnosis or past history of eczema
- known allergy or past allergic reactions to latex gloves or to some antibiotics (neomycin, streptomycin, chlortetracycline, and polymyxin B).
- known allergy or past allergic to blood products.
- known allergy or past allergic reaction to cidofovir or sulfa-containing drugs.
- transfusion of blood or treatment with any blood product, including intramuscular or intravenous serum globulin within six months of the Screening Visit.
- serology positive for HIV, hepatitis B or hepatitis C.
- current diagnosis or history within six months of drug or alcohol abuse disorders, psychiatric illness.
- inoculation with any other live vaccine within 30 days of Day 0 or participation in another drug or vaccine trial within 30 days of Day 0.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (3)
Orlando Clinical Research Center
Orlando, Florida, 32806, United States
Mayo Vaccine Research Group
Rochester, Minnesota, 55905, United States
Radiant Research
Cincinnati, Ohio, 45236, United States
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Medical Director
Sanofi Pasteur Inc
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 30, 2003
First Posted
January 31, 2003
Study Start
September 1, 2002
Primary Completion
March 1, 2003
Study Completion
September 1, 2003
Last Updated
January 22, 2014
Record last verified: 2014-01