Clinical Trials Logo

Clinical Trial Summary

A cluster randomized controlled trial to determine if smallpox vaccine reduces secondary cases and symptom severity in persons exposed to mpox.


Clinical Trial Description

A pragmatic, adaptive, multi-site, cluster randomized trial where households with one or more persons confirmed to have mpox will be randomized to smallpox vaccine or control. The co-primary outcomes are RT-PCR confirmed mpox and symptom severity. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05745987
Study type Interventional
Source McMaster University
Contact Mark Loeb, MD
Phone 9055259140
Email loebm@mcmaster.ca
Status Not yet recruiting
Phase Phase 4
Start date September 1, 2024
Completion date December 1, 2024

See also
  Status Clinical Trial Phase
Active, not recruiting NCT05512949 - Trial to Evaluate the Immunogenicity of Dose Reduction Strategies of the MVA-BN Monkeypox Vaccine Phase 2
Completed NCT05976100 - Study of the Safety, Tolerability, Pharmacokinetics of NIOCH-14 in Volunteers Aged 18-50 Years Phase 1
Recruiting NCT05988203 - A Clinical Study Investigating the Safety and Immune Responses After Immunization With Investigational Monkeypox Vaccines Phase 1
Terminated NCT05567939 - Clinical, Virological, Immunological, Psychosocial and Epidemiological Consequences of Human Monkeypox Virus (ProMPX)
Active, not recruiting NCT05562323 - Characterization of Vaccine-induced Responses Against Monkeypox (MoVIHvax) An Observational Prospective Cohort Study
Recruiting NCT05534984 - Study of Tecovirimat for Human Monkeypox Virus Phase 3
Not yet recruiting NCT05784038 - Observational, Prospective, Cohort Study of Mpox Infection in Brazil (NETPOX)
Recruiting NCT05879965 - Prospective Study for the FOLLOW-UP of Human Monkeypox Cases and Smallpox Vaccinees at Risk
Completed NCT03745131 - Cohort Study of Healthcare Workers Receiving Imvanex®
Recruiting NCT05559099 - Tecovirimat for Treatment of Monkeypox Virus Phase 2
Completed NCT05846243 - Study on Immunogenicity, Reactogenicity and Safety of the VACΔ6 Vaccine in Volunteers Aged 18-60 Years Phase 2/Phase 3
Not yet recruiting NCT05629299 - Pilot Study to Detect Monkey Pox Virus in Sperm: POXSPERM N/A
Recruiting NCT05654883 - New York City Observational Study of Mpox Immunity
Completed NCT05762523 - Safety and Tolerability Study of the VAC∆6 Vaccine in Volunteers Aged 18-40 Years Phase 1
Recruiting NCT05597735 - Assessment of the Efficacy and Safety of Tecovirimat in Patients With Monkeypox Virus Disease Phase 3
Recruiting NCT05734508 - Assessment of Safety Profile of MVA-BN Vaccine in the PALM-007 Study in DRC Phase 4
Active, not recruiting NCT05740982 - A Phase 2 Randomized Multisite Trial to Inform Public Health Strategies Involving the Use of MVA-BN Vaccine for Mpox Phase 2
Recruiting NCT06045923 - Virologic and Immunologic Characteristics of Severe Mpox in Persons With Advanced HIV
Recruiting NCT05947786 - Mpox Paediatric and Adolescent Clinical Study
Completed NCT05476744 - Viral Clearance and Epidemiological Characteristics in Patients With Monkeypox