Condition

RSV clinical trials and research

As of November 12, 2026, Find a Trial lists 9 RSV clinical trials that are recruiting, at sites in 6 countries (most in United States (4), United Kingdom (1), Zambia (1)). 1 was first registered in the last 30 days. By phase: Phase 4 (1), Phase 2 (1), Phase 2/3 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.

Newest RSV clinical trials

StudyPhaseWhereStatusRegistered
Zelicapavir versus placebo in adults at high risk for severe RSV Phase 2/3 Cape Coral, Florida and 3 other locations Recruiting Nov 2, 2026
Immune Responses to RSV in Older Adults After Nasal RSV Challenge — London, London Recruiting Jul 20, 2026
Zelicapavir for RSV infection in young children Phase 2 Bangkok and 7 other locations Recruiting Mar 19, 2026
RSV Burden in Hong Kong: What RSV does to adults — Hong Kong Recruiting Jan 7, 2026
Preparedness through community respiratory virus testing and engagement — La Jolla, California and 1 other locations Recruiting Aug 29, 2025
Tdap and RSV vaccines in pregnancy: same visit versus separate visits Phase 4 Vancouver, British Columbia and 3 other locations Recruiting Jul 31, 2025
Monitoring and detection of influenza, RSV, and COVID-19 in adults with and without HIV in Lusaka — Lusaka, Lusaka Province and 1 other locations Recruiting Jun 19, 2025
Evaluation of a new test for detecting flu and COVID-19 in patients with respiratory symptoms — Henderson, Nevada and 2 other locations Recruiting Nov 4, 2024
Understanding COVID-19 treatment effectiveness in Veterans — Portland, Oregon Recruiting Dec 7, 2023

All recruiting trials (9)

Related topics

COVID-19InfluenzaPregnancyRespiratory Infection VirusRespiratory Syncytial Virus (RSV)RSV Infection

Quick answers

How many RSV clinical trials are recruiting right now?

9, as of November 12, 2026. 1 of them was first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 6 countries. The most sites are in United States (4 trials), United Kingdom (1 trial), Zambia (1 trial), Canada (1 trial), Thailand (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 4: 1, Phase 2: 1, Phase 2/3: 1. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

Find the studies that fit you

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Last reviewed 2026-11-12 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.