Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Respiratory Syncytial Virus (RSV) clinical trials
Every US clinical trial registered for Respiratory Syncytial Virus (RSV) — phase mix, recruiting status, and the sponsors running them, straight from the NIH ClinicalTrials.gov registry.
11 US clinical trials · 2 currently recruiting
The research picture
Respiratory Syncytial Virus (RSV) has 11 registered US clinical trials, 2 of them open to new participants right now — about 18% of the total.
- 2
- recruiting participants now
- 18%
- of trials open to enrollment
- 2
- in Phase 3–4 (later-stage)
- 1
- top sponsor: IQuum
Counts reflect the public ClinicalTrials.gov registry as last mirrored by PlainTrial. Status and phase are reported by each study's sponsor. This is reference information, not medical advice.
Active & Recent Trials
RSV Vaccine Pregnancy Registry
CorEvitas
NCT06521944
Immunogenicity of RSVPreF3 Vaccine in Immunocompromised Persons
Johns Hopkins University
NCT07050732
Evaluating ABRYSVO Maternal Vaccine Effectiveness Among Infants
Pfizer
NCT07249320
Transplacental Transmission of RSV (TTRSV)
Tulane University
NCT05443607
A Phase 1 Study to Evaluate JCXH-108, an mRNA-based Vaccine Against RSV
Immorna Biotherapeutics
NCT06564194
Systems Biological Analysis of Immune Responses to RSV Vaccine
Emory University
NCT07185399
Wearable Assisted Viral Evidence (WAVE) Study A Decentralized, Prospective Study Exploring the Relationship Between Passively-collected Data From Wearable Activity Devices and Respiratory Viral Infections
Evidation Health
NCT06207929
A Study to Evaluate the Efficacy of an RSV F Vaccine in Older Adults
Novavax
NCT02608502
Detection of Influenza A, Influenza B, and RSV Using the Liat™ Assays on the Liat™ Analyzer
IQuum
NCT02067286
A Study to Evaluate the Safety and Immunogenicity of MEDI7510 in Older Adults
MedImmune
NCT02289820
A Study to Evaluate EDP 938 Regimens in Children With RSV
Enanta Pharmaceuticals
NCT04816721
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 2 |
| Phase 2 | 2 |
| Phase 3 | 1 |
| Phase 4 | 1 |
Top Sponsors
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Reading the Respiratory Syncytial Virus (RSV) Trial Landscape
ClinicalTrials.gov lists 11 US studies indexed under Respiratory Syncytial Virus (RSV), and 2 of those are currently open to recruitment — roughly 18% of the total volume on the registry. That ratio is a useful proxy for activity level: a high share of recruiting studies often signals that research interest is current and that new enrollment opportunities are appearing, while a low share typically means the field is dominated by completed or follow-up work where most participant spots have already been filled. These counts reflect the public registry only and include studies at every stage of design, so they should be read as an index of research attention rather than as a measure of treatment availability.
The phase distribution for Respiratory Syncytial Virus (RSV) shows 2 late-stage studies (Phase 3 and Phase 4 combined) alongside 4 earlier-phase entries (Phase 1 through Phase 2). Phase 1 and Phase 2 studies focus on early safety signals, dosing, and preliminary effect, while Phase 3 studies are typically the larger efficacy and safety trials submitted toward regulatory review, and Phase 4 studies follow approved interventions in real-world use. A condition weighted toward later phases often reflects a mature research pipeline with several interventions already close to or past approval, whereas a heavier early-phase tilt suggests the field is still exploring new mechanisms and candidate approaches.
Top sponsor activity for Respiratory Syncytial Virus (RSV) is led by IQuum with 1 indexed trial, alongside 9 other organizations in the top contributor list. The list on this page surfaces up to 11 of the most relevant recent and active entries, ordered with recruiting studies first so practical options are visible. All figures are derived from the public ClinicalTrials.gov dataset maintained by the National Library of Medicine and are reproduced here for reference. Inclusion of a trial, sponsor, or intervention on this page is neither an endorsement nor a recommendation — eligibility, protocol changes, and site-level status can shift frequently, so always verify current details on ClinicalTrials.gov and consult a qualified healthcare provider before acting on anything you see here.
Frequently Asked Questions
How many clinical trials are there for Respiratory Syncytial Virus (RSV)?
PlainTrial tracks 11 US clinical trials for Respiratory Syncytial Virus (RSV), of which 2 are currently recruiting participants. Data sourced from ClinicalTrials.gov.
How do I find a recruiting trial for Respiratory Syncytial Virus (RSV)?
Use the trial list above filtered by "Recruiting" status, or visit our trial finder at /recruiting to search by condition and state. Always discuss trial participation with your healthcare provider before enrolling.
Is this data current?
Data is sourced from ClinicalTrials.gov and reflects our most recent data pull. Trial status may have changed since then. Always verify current information at ClinicalTrials.gov before making decisions about participation.
Related
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from ClinicalTrials.gov (National Library of Medicine). Consult a qualified professional before making decisions based on this data.
Read our methodology — how this data is sourced, computed, and verified.
Source: ClinicalTrials.gov (NIH/NLM) ClinicalTrials.gov AACT registry · 2026 Trial counts and statuses sourced from ClinicalTrials.gov. Sponsor counts include both industry and federal/academic sponsors.