ArticleThe New England journal of medicine2026
Tecovirimat for the Treatment of Mpox.
Article in The New England journal of medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05534984 (A Randomized, Placebo-Controlled, Double-Blinded Trial of the Safety and Efficacy of Tecovirimat for the Treatment of Human Mpox Virus Disease), which is not on this map. Cited by 7 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Randomized, Placebo-Controlled, Double-Blinded Trial of the Safety and Efficacy of Tecovirimat for the Treatment of Human Mpox Virus Disease
Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it.
- The impact of HIV coinfection on mpox patients: a systematic review and meta-analysis.Emerging microbes & infections · 2026Pooled it
- Overcoming Transmission Barriers: A Dual-Functional Adhesive Hydrogel for Direct Monkeypox Virus Neutralization and Wound Healing.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Bruton's tyrosine kinase inhibitor BTKi-2 inhibits mpox virus and vaccinia virus infection.Virologica Sinica · 2026Article
- MPXV replication and drug resistance in CNS of advanced HIV case at autopsy.Research square · 2026Article
- Treatment of Severe Ocular Mpox with Cidofovir and Tecovirimat.Emerging infectious diseases · 2026Article
- Monkeypox (Mpox), a Resurging Global Public Health Concern: An Updated Outlook Through 2025.Current issues in molecular biology · 2026Review
- Mpox in Solid Organ Transplant Recipients: Lessons From a Single-Center Case Series in South Florida.Transplant infectious disease : an official journal of the Transplantation SocietyArticle
Corrections and comments
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Authors and funding
28 authors.
Funding
Abstract
backgroundTecovirimat is approved for smallpox treatment under the Food and Drug Administration Animal Rule on the basis of efficacy in nonhuman primate models of mpox (previously known as monkeypox). However, the clinical efficacy of tecovirimat against human clade II mpox is unclear.
methodsIn a phase 3, international, double-blind, randomized, placebo-controlled trial, we evaluated the efficacy of oral tecovirimat in adults with laboratory-confirmed clade II mpox. Participants were randomly assigned in a 2:1 ratio to receive tecovirimat or placebo for 14 days. The primary outcome was clinical resolution, assessed in a time-to-event analysis in participants with active skin or mucosal lesions. Secondary outcomes included reduction in pain, assessed in all participants with laboratory-confirmed mpox and in those with severe pain at baseline (pain score, 7 to 10; scale, 0 [no pain] to 10 [worst pain imaginable]); complete lesion healing (assessed in a time-to-event analysis); viral DNA clearance; and safety.
resultsOf 412 participants who underwent randomization (275 to tecovirimat and 137 to placebo), 344 had laboratory-confirmed mpox, and 336 had active skin or mucosal lesions and were included in the primary analysis. By day 29, the estimated cumulative incidence of clinical resolution was 83% with tecovirimat and 84% with placebo; the competing-risks hazard ratio for clinical resolution was 0.98 (95% confidence interval [CI], 0.74 to 1.31; P = 0.89). No substantial between-group differences were seen in pain reduction among participants with severe pain (difference, 0.1 point; 95% CI, -0.8 to 1.0), in complete lesion healing (competing-risks hazard ratio, 0.97; 95% CI, 0.75 to 1.26), or in viral DNA clearance. The incidence of adverse events of grade 3 or higher was similar in the two groups (4% with tecovirimat and 3% with placebo).
conclusionsThis trial showed no evidence that tecovirimat therapy shortened the time to clinical resolution, reduced pain, or increased viral clearance among adults with clade II mpox. (Funded by the National Institute of Allergy and Infectious Diseases of the National Institutes of Health; STOMP/A5418 ClinicalTrials.gov number, NCT05534984.).
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.