SMALLPOX

Clinical trials for SMALLPOX explained in plain language.

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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 changes how well the JYNNEOS vaccine works. About 100 healthy adults aged 18 to 42 will get two doses of the JYNNEOS vaccine and either TPOXX or a placebo for 28 days. Researchers will measure side effects and immune resp…

Matched conditions: SMALLPOX

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

Last updated May 22, 2026 14:04 UTC

SMALLPOX

Get alerted when new SMALLPOX trials appear

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