CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 1,003 enrolled
Drug / intervention
Clesrovimab +2 morebiological
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04938830
NCT04938830Phase 3Completed

A Phase 3, Multicenter, Randomized, Partially Blinded, Palivizumab- Controlled Study to Evaluate the Safety, Efficacy, and Pharmacokinetics of MK-1654 in Infants and Children at Increased Risk for Severe RSV Disease

Merck Sharp & Dohme LLC·interventional·Posted Jun 24, 2021·Updated May 8, 2026

In Brief

A Phase 3 clinical trial evaluating Clesrovimab, Palivizumab, and 1 other intervention for RSV Infection. Completed, enrolled 1,003 participants across 146 sites in 27 countries.

Detailed Summary

This study aims to evaluate the safety and tolerability of clesrovimab compared to palivizumab as assessed by the proportion of participants experiencing adverse events (AEs).

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsRSV Infection
CountriesAustralia, Canada, Chile, Colombia, Czechia, Finland, France, Germany, Greece, Hong Kong, Hungary, Italy, Japan, Malaysia, Mexico, New Zealand, Norway, Peru, Puerto Rico, Singapore, South Africa, Spain, Taiwan, Thailand, Turkey (Türkiye), United Kingdom, United States
Collaborators--

Timeline

Phase 3CompletedFinished
20222023202420252026
First PostedJun 24, 2021
Enrollment StartNov 30, 2021
Primary CompletionApr 28, 2025
Study CompletionAug 1, 2025
TodayJul 2, 2026
Enrollment to primary: 3.4 yearsPosted 5.0 years ago

Interventions

Clesrovimabbiological

IM injection

Palivizumabbiological

IM injection

Placebobiological

IM injection