Smallpox
Recent clinical, regulatory, research and industry developments relating to this disease.
Approval: Tecovirimat SIGA (EMA)
What's happening now
An analyst briefing on current research, clinical, regulatory and industry activity surrounding this disease.
- 2 clinical trials expected to report results, the earliest in Q1 2027.
- 2 industry developments reported.
- Q1 2027A Phase 1, Open-Label (JYNNEOS®), Double-Blind (TPOXX® And Placebo), Multicenter, Randomized, Placebo-Controlled, Drug-Vaccine Interaction Study To Evaluate the Impact of TPOXX on JYNNEOS Immunogenicity
- Q2 2027Safety, Reactogenicity, and Immunogenicity of an Mpox mRNA Vaccine Candidate, BNT166a, in Healthy Participants Aged 18 Years and Older in African Countries: A Randomized, Double-blind, Placebo-controlled Phase II Trial
Clinical MilestonesViewHide
- 2026-07-09Safety, Reactogenicity, and Immunogenicity of an Mpox mRNA Vaccine Candidate, BNT166a, in Healthy Participants Aged 18 Years and Older in African Countries: A Randomized, Double-blind, Placebo-controlled Phase II TrialResults expected Q2 2027
- 2026-04-02A Phase 1, Open-Label (JYNNEOS®), Double-Blind (TPOXX® And Placebo), Multicenter, Randomized, Placebo-Controlled, Drug-Vaccine Interaction Study To Evaluate the Impact of TPOXX on JYNNEOS ImmunogenicityResults expected Q1 2027
Industry & MarketViewHide
- 2026-07-31Daily Briefing: How smallpox reached the AmericasIndustry · Nature News
- 2026-07-31How smallpox reached the Americas: first genomic evidence points to EuropeansIndustry · Nature News
- 2026-07-31IndustryDaily Briefing: How smallpox reached the AmericasIndustry · Nature News
- 2026-07-31IndustryHow smallpox reached the Americas: first genomic evidence points to EuropeansIndustry · Nature News
- 2026-07-09ClinicalSafety, Reactogenicity, and Immunogenicity of an Mpox mRNA Vaccine Candidate, BNT166a, in Healthy Participants Aged 18 Years and Older in African Countries: A Randomized, Double-blind, Placebo-controlled Phase II TrialResults expected Q2 2027
- 2026-04-02ClinicalA Phase 1, Open-Label (JYNNEOS®), Double-Blind (TPOXX® And Placebo), Multicenter, Randomized, Placebo-Controlled, Drug-Vaccine Interaction Study To Evaluate the Impact of TPOXX on JYNNEOS ImmunogenicityResults expected Q1 2027
- 2026-02-13ClinicalA Two-Phase, Randomized, Double-Blind, Placebo-Controlled Phase I Clinical Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of BSY001 for Injection Following Single or Multiple Doses in Healthy Subjects.Primary completion
Therapeutic landscape
Therapies with a regulatory footing for this condition, alongside the wider set of agents co-studied with it in the literature.
Approval — Tecovirimat SIGA is indicated for the treatment of the following viral infections in adul… (2022)
Clinical trials
The current development programme across all trial phases.
Regulatory timeline
Drug regulatory events matched to this condition by indication — EMA.
European Medicines Agency (CC BY 4.0). Events are matched to this condition by drug indication text — approvals/updates for drugs indicated for it, not disease-specific acts.
Research activity
Key research shaping understanding of this disease, combining the latest publications with the most influential evidence.
Major themes7
- HIV Infections1
- Mpox, Monkeypox1
- Proctitis1
- Sexual and Gender Minorities1
- Sexually Transmitted Diseases1
- Smallpox1
- Tonsillitis1
Leading journals1
- Lancet (London, England)1
Leading researchers8
- Acosta-Velásquez KS1
- Agud-Dios M1
- Alemany A1
- Antón A1
- Arando M1
- Arroyo-Andrés J1
- Cabrera JM1
- Calderón-Lozano L1
Affiliations (unnormalised)6
- Clinical Laboratory North Metropolitan Area1
- Clinical Research Department1
- Hospital Universitari Vall d'Hebron1
- Hospital Universitario 12 de Octubre1
- Hospital Universitario La Paz1
- University Hospital Germans Trias i Pujol1
Reference
Authoritative identity, definition & identifiers.
An acute, highly contagious, often fatal infectious disease caused by an orthopoxvirus characterized by a biphasic febrile course and distinctive progressive skin eruptions. Vaccination has succeeded in eradicating smallpox worldwide. (Dorland, 28th ed)
- Disease identity & definition — NLM Medical Subject Headings (MeSH), public domain
- Clinical trials — ClinicalTrials.gov (U.S. National Library of Medicine)
- Research activity — Europe PMC (EMBL-EBI) + OpenAlex-derived paper links
- Related entities are derived from literature co-mention (studied together) — associative, not causal.