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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Smallpox Vaccine Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Phase I/II Trial of Modified Vaccinia Virus Ankara (MVA) Vaccine Against Smallpox

NCT00053742
View directory record Official record
Conditions
Healthy
Interventions
Modified Vaccinia Virus Ankara TBC-MVA
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 27, 2026, 7:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, and Immune Response of ACAM3000 Modified Vaccinia Ankara (MVA) Smallpox Vaccine in Adults

NCT00079820
View directory record Official record
Conditions
Smallpox
Interventions
ACAM3000 MVA Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years to 31 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
2
States / cities
Lenexa, Kansas • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 12, 2014 · Synced Sep 27, 2026, 7:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of Reactogenicity, Safety, Immunogenicity, and Pock Lesion Formation of a Cell-Cultured Smallpox Vaccine Compared to Dryvax®

NCT00042094
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 Sep 27, 2026, 7:14 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Trial to Evaluate Immunogenicity and Safety of Three Consecutive Production Lots of IMVAMUNE® (MVA-BN®) Smallpox Vaccine in Healthy, Vaccinia-naïve Subjects

NCT01144637
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 Sep 27, 2026, 7:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to a DNA HIV Vaccine (pGA2/JS7) Boosted With a Modified Vaccinia HIV Vaccine (MVA/HIV62) in Healthy Adults

NCT00301184
View directory record Official record
Conditions
HIV Infections
Interventions
pGA2/JS7 DNA, Modified vaccinia Ankara/HIV62
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
6
States / cities
Birmingham, Alabama • Baltimore, Maryland • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2022 · Synced Sep 27, 2026, 7:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Trial to Evaluate the Safety, Reactogenicity, and Immunogenicity of MVA-BN Yellow Fever Vaccine With and Without Montanide ISA-720 Adjuvant in 18-45 Year Old Healthy Volunteers

NCT02743455
View directory record Official record
Conditions
Yellow Fever, Yellow Fever Immunisation
Interventions
ISA-720, MVA Smallpox Vaccine, MVA-BN Yellow Fever Vaccine, Placebo, YF Vax 17D Strain
Drug · Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
2
States / cities
Iowa City, Iowa • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 27, 2026, 7:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

ACAM2000® Myopericarditis Registry

NCT01395082
View directory record Official record
Conditions
Myocarditis, Pericarditis
Interventions
Not listed
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
17 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2019
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2024 · Synced Sep 27, 2026, 7:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Phase 2 Randomized Multisite Trial to Inform Public Health Strategies Involving the Use of MVA-BN Vaccine for Mpox

NCT05740982
View directory record Official record
Conditions
Monkeypox
Interventions
JYNNEOS
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years to 50 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
17
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Atlanta, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 27, 2026, 7:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Phase II Trial to Compare a Liquid-frozen and a Freeze-dried Formulation of IMVAMUNE (MVA-BN®) Smallpox Vaccine in Vaccinia-naïve Healthy Subjects

NCT01668537
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 Sep 27, 2026, 7:14 PM EDT
Completed Phase 1Phase 2 Interventional

Safety, Tolerability and Immune Response of IMVAMUNE (MVA-BN)Smallpox Vaccine in HIV Infected Patients

NCT00189904
View directory record Official record
Conditions
HIV Infections
Interventions
IMVAMUNE (MVA-BN)
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years to 55 Years
Enrollment
151 participants
Timeline
Started 2005
U.S. locations
5
States / cities
Indianapolis, Indiana • Lexington, Kentucky • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2012 · Synced Sep 27, 2026, 7:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase I Trial of Smallpox Vaccine

NCT00046397
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 Sep 27, 2026, 7:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Safety and Immunogenicity of One and Two Doses of IMVAMUNE® Smallpox Vaccine in 56-80 Year Old Vaccinia-experienced Subjects

NCT00857493
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 Sep 27, 2026, 7:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Reactogenicity and Immunogenicity of MVA in Hematopoietic Stem Cell Transplant (HSCT) Subjects

NCT00565929
View directory record Official record
Conditions
Variola Major (Smallpox)
Interventions
Placebo, MVA-BN
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 1, 2013 · Synced Sep 27, 2026, 7:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Multicenter, Randomized, Placebo-Controlled, Double-Blind Trial to Evaluate the Safety and Immunogenicity of a Recombinant Vaccinia-HIV-1 IIIB Env/Gag/Pol Vaccine (TBC-3B)

NCT00000767
View directory record Official record
Conditions
HIV Infections
Interventions
TBC-3B Vaccine, Smallpox Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 1996
U.S. locations
5
States / cities
St Louis, Missouri • Rochester, New York • Pittsburgh, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Sep 27, 2026, 7:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

High Dose IMVAMUNE® in Vaccinia-Naive Individuals

NCT00879762
View directory record Official record
Conditions
Smallpox
Interventions
MVA Smallpox Vaccine, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 38 Years
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Iowa City, Iowa • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Sep 27, 2026, 7:14 PM EDT
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety and Immunogenicity Study of LC16m8, a Modified Smallpox Vaccine, in Healthy, Previously Unvaccinated Volunteers

NCT00103584
View directory record Official record
Conditions
Smallpox
Interventions
LC16m8 Smallpox Vaccine
Biological
Lead sponsor
VaxGen
Industry
Eligibility
18 Years to 34 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
4
States / cities
Stanford, California • Lexington, Kentucky • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2007 · Synced Sep 27, 2026, 7:14 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

SIGA-246 to Treat Smallpox

NCT00303225
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 Sep 27, 2026, 7:14 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Vaccinia Virus Vaccine (APSV) in Vaccinia- Naive Subjects: PILOT

NCT00038987
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 Sep 27, 2026, 7:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I, Multicenter, Randomized Trial to Evaluate the Safety and Immunogenicity of Vaccinia-Derived MN HIV-1 Recombinant Envelope Glycoprotein (rgp160) of Human Immunodeficiency Virus at Two Different Vaccination Schedules

NCT00001043
View directory record Official record
Conditions
HIV Infections, HIV Seronegativity
Interventions
gp160 Vaccine (Immuno-AG)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 1997
U.S. locations
2
States / cities
St Louis, Missouri • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 27, 2026, 7:14 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Safety Study of MVA Smallpox Vaccine in HIV-positive Subjects Who Are Vaccinia Naive

NCT00282581
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 Sep 27, 2026, 7:14 PM EDT
Completed Phase 2 Interventional

Evaluation and Treatment of Eye Complications of Vaccinia Vaccination

NCT00081835
View directory record Official record
Conditions
Vaccinia
Interventions
NP-016 Vaccine Immune Globulin (IV-VIG)
Drug
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
1 Year and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 27, 2026, 7:14 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Safety Study of MVA Smallpox Vaccine in Subjects With a History of Atopic Dermatitis (AD)

NCT00389103
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 Sep 27, 2026, 7:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Phase II Study on Immunogenicity and Safety of MVA-BN® (IMVAMUNE™) Smallpox Vaccine in Subjects With Atopic Dermatitis

NCT00316602
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
IMVAMUNE
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years to 40 Years
Enrollment
632 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
15
States / cities
Tucson, Arizona • Hot Springs, Arkansas • Garden Grove, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Sep 27, 2026, 7:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Safety Surveillance Study of ACAM2000® Vaccinia Vaccine

NCT00927719
View directory record Official record
Conditions
Smallpox
Interventions
ACAM2000® smallpox vaccine
Biological
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
17 Years and older
Enrollment
897,227 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2017
U.S. locations
4
States / cities
Twentynine Palms, California • Fort Campbell North, Kentucky • Fort Bliss, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2024 · Synced Sep 27, 2026, 7:14 PM EDT