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Reseach and Development

Registered Clinical Trials for Mpox Prevention and Treatment

Note: The below listing represents clinical trials that are active or inactive, not yet recruiting in phases 1 to 4. List may not be all-inclusive.

ID Number
Phase
Trial Name
Sponsor
Summary
Study Drug
Intervention Type
4
European Trial into Mpox Infection (EPOXI)
University Medical Center Utrecht, the Netherlands
This is a randomized, placebo-controlled, double-blind trial to evaluate whether tecovirimat is an efficient and safe antiviral in the treatment of monkeypox in adults and adolescents.
Tecovirimat
Antiviral
3
Tecovirimat in Non-hospitalized Patients with Monkeypox (PLATINUM-CAN)
McGill University Health Centre
This is a multi-centre, randomized, placebo-controlled trial to evaluate the efficacy and safety of tecovirimat in non-hospitalized patients with presumptive or PCR confirmed monkeypox infection in Canada.
Tecovirimat
Antiviral
3
Study of Tecovirimat for Human Mpox Virus (STOMP)
National Institute of Allergy and Infectious Diseases
This is a randomized, placebo-controlled, double-blind study to establish the efficacy of tecovirimat for the treatment of people with laboratory-confirmed or presumptive HMPXV disease.
Tecovirimat
Antiviral
3
Assessment of the Efficacy and Safety of Tecovirimat in Patients with Monkeypox Virus Disease (UNITY)
National Agency for AIDS Research
This is a randomized, placebo-controlled, double-blind trial to evaluate whether tecovirimat is an efficient and safe antiviral in the treatment of monkeypox in adults and adolescents.
Tecovirimat
Antiviral
3
Efficacy/​Effectiveness, Safety, and Immunogenicity of LC16m8 Mpox Vaccine in Colombia (MPOX-COL)
Universidad Nacional de Colombia
This is an open randomized deployment study to determine the efficacy of the replicating attenuated live vaccinia virus vaccine LC16m8 against laboratory-confirmed mpox and safety in a Colombian population with a high risk of being infected with MPXV.
LC16m8
Vaccine
3
JYNNEOS Smallpox Vaccine in Adult Healthcare Personnel at Risk for Mpox in the Democratic Republic of the Congo
Centers for Disease Control and Prevention
This is an open-label prospective cohort study in eligible healthcare workers in the DRC at risk of mpox infection through their daily work. The study will document mpox exposure and infection in participants while concurrently evaluating the immunogenicity and safety of JYNNEOS (also known as MVA-BN, IMVAMUNE®, IMVANEX). 
JYNNEOS
Vaccine
2
Tecovirimat for Treatment of Monkeypox Virus (PALM 007)
National Institute of Allergy and Infectious Diseases
This is a randomized, placebo-controlled, double-blind study to test the antiviral drug tecovirimat for the treatment of adults and children with laboratory-confirmed monkeypox virus disease in combination with standard of care at participating sites in the DRC.
MVA-BN
Antiviral
2
A Phase 2 Randomized Multisite Trial to Inform Public Health Strategies Involving the Use of MVA-BN Vaccine for Mpox
National Institute of Allergy and Infectious Diseases 
This study is a randomized, open-label, non-placebo controlled, multi-site clinical trial that will evaluate two ID regimens for MVA-BN vaccine compared to the standard SC regimen in healthy, vaccinia-naïve adults (Stage 1). In Stage 2, the standard SC regimen will be evaluated in adolescents and compared to the standard SC regimen in adults.
MVA-BN
Vaccine
1/2
A Clinical Study Investigating the Safety and Immune Responses after Immunization with Investigational Monkeypox Vaccines
BioNTech SE
This is a dose-escalation trial evaluating the safety, tolerability, reactogenicity and immunogenicity of the investigational RNA-based multivalent vaccine candidate BNT166a for active immunization against mpox.
BNT166a
Vaccine
1/2
A Study to Investigate the Safety, Tolerability, and Immune Response of a Range of Doses of mRNA-1769 compared with Placebo in Healthy Participants from ≥18 Years of Age to <50 Years of Age
ModernaTX, Inc.
This study is designed to assess the safety, tolerability and immunogenicity of a range of doses of mRNA-1769 in healthy adult participants.
mRNA-1769
Vaccine
1/2
An observational study to investigate the efficacy and safety of smallpox vaccine for prophylaxis in mpox
National Center for Global Health and Medicine
This study is designed to investigate the efficacy and safety of smallpox vaccine, LC16 KMB, for prophylaxis in mpox.
LC16 KMB
Vaccine
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