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ClinicalTrials.gov public records Last synced May 21, 2026, 5:52 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 55 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Smallpox Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Smallpox
Interventions
IMVAMUNE®, Placebo
Biological · Other
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years to 40 Years
Enrollment
4,005 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
34
States / cities
Birmingham, Alabama • Anaheim, California • Los Angeles, California + 31 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2019 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smallpox
Interventions
Cell-Cultured Smallpox Vaccine compared to Dryvax®
Biological
Lead sponsor
DynPort Vaccine Company LLC, A GDIT Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2003
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 29, 2011 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Smallpox
Interventions
IMVAMUNE®
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years to 45 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
10
States / cities
Birmingham, Alabama • Little Rock, Arkansas • San Francisco, California + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2020 · Synced May 21, 2026, 5:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Smallpox
Interventions
Not listed
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
17 Years and older
Enrollment
14,108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
4
States / cities
Twentynine Palms, California • Fort Campbell North, Kentucky • Fort Bliss, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Smallpox
Interventions
TPOXX, TPOXX Placebo
Drug · Other
Lead sponsor
SIGA Technologies
Industry
Eligibility
18 Years to 80 Years
Enrollment
467 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
9
States / cities
Miami, Florida • Orlando, Florida • Omaha, Nebraska + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 26, 2024 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV Infections
Interventions
Smallpox Vaccine, HIVAC-1e, gp160 Vaccine (MicroGeneSys)
Biological
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Wallingford, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 25, 2007 · Synced May 21, 2026, 5:52 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HIV Infections, Smallpox
Interventions
MVA Smallpox Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years to 35 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
6
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2014 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Smallpox
Interventions
LF formulation of IMVAMUNE®, FD formulation of IMVAMUNE®
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years to 55 Years
Enrollment
651 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
3
States / cities
South Miami, Florida • Lenexa, Kansas • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 11, 2020 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Smallpox
Interventions
IMVAMUNE
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
56 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
4
States / cities
Orlando, Florida • Iowa City, Iowa • Lexington, Kentucky + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2019 · Synced May 21, 2026, 5:52 PM EDT
Withdrawn No phase listed Observational
View directory record Official record
Conditions
Smallpox
Interventions
TPOXX 200Mg Capsule
Drug
Lead sponsor
SIGA Technologies
Industry
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 2, 2022 · Synced May 21, 2026, 5:52 PM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smallpox
Interventions
Tecovirimat, Smallpox and Mpox Vaccine, Placebo
Drug · Other
Lead sponsor
SIGA Technologies
Industry
Eligibility
18 Years to 42 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
2
States / cities
Omaha, Nebraska • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced May 21, 2026, 5:52 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smallpox, Atopic Dermatitis
Interventions
MVA (smallpox vaccine)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years to 35 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
3
States / cities
Albuquerque, New Mexico • Portland, Oregon • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 21, 2014 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smallpox
Interventions
Wetvax (APSV)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 12, 2012 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy
Interventions
Modified Vaccinia Virus Ankara TBC-M
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
195 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smallpox
Interventions
Aventis Pasteur Smallpox Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 32 Years
Enrollment
444 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2003
U.S. locations
4
States / cities
Iowa City, Iowa • Cincinnati, Ohio • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 26, 2010 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Smallpox
Interventions
MVA Smallpox Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years
Enrollment
435 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
6
States / cities
Decatur, Georgia • Iowa City, Iowa • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 6, 2016 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Smallpox
Interventions
tecovirimat, Placebo
Drug · Other
Lead sponsor
SIGA Technologies
Industry
Eligibility
18 Years to 80 Years
Enrollment
449 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
11
States / cities
Mobile, Alabama • Redding, California • San Diego, California + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 27, 2017 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Influenza, Severe Acute Respiratory Distress Syndrome, Smallpox, Ebola, Unknown Respiratory Viruses
Interventions
Poly-ICLC
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Smallpox Vaccine Adverse Reaction
Interventions
ACAM2000
Biological
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Altamonte Springs, Florida
Source: ClinicalTrials.gov public record
Updated Mar 17, 2024 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Smallpox
Interventions
MVA Smallpox Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 38 Years
Enrollment
523 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
8
States / cities
Decatur, Georgia • Iowa City, Iowa • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced May 21, 2026, 5:52 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Vaccinia
Interventions
Vaccine: SIGA-246
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smallpox
Interventions
Live vaccinia virus vaccine, MVA Smallpox Vaccine, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 32 Years
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 18, 2014 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smallpox
Interventions
Wetvax (APSV)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 32 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002
U.S. locations
4
States / cities
Oakland, California • Iowa City, Iowa • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2010 · Synced May 21, 2026, 5:52 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Smallpox
Interventions
Tpoxx
Drug
Lead sponsor
SIGA Technologies
Industry
Eligibility
20 Years to 50 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced May 21, 2026, 5:52 PM EDT