SMALLPOX

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Trials to join now! 2 Not yet finished but already full! 1 Completed 1

Does a smallpox drug weaken the vaccine? new study aims to find out.

Knowledge-focused Ongoing

This study looks at whether taking the smallpox drug TPOXX at the same time as the JYNNEOS vaccine changes how well the vaccine works. About 100 healthy adults aged 18 to 42 will get two vaccine shots and either TPOXX or a placebo for 28 days. The goal is to see if the drug inter…

Matched conditions: SMALLPOX

Phase: PHASE2 • Sponsor: SIGA Technologies • Aim: Knowledge-focused

Last updated May 14, 2026 12:04 UTC

SMALLPOX

Get alerted when new SMALLPOX trials appear

Does a smallpox drug weaken the vaccine? new study aims to find out.