Status:

COMPLETED

Efficacy and Safety of Clesrovimab (MK-1654) in Infants (MK-1654-004)

Lead Sponsor:

Merck Sharp & Dohme LLC

Conditions:

Respiratory Syncytial Virus Infection

Eligibility:

All Genders

Up to 1 years

Phase:

PHASE2

PHASE3

Brief Summary

The primary objectives of this phase 2b/3 double-blind, randomized, placebo-controlled study are to evaluate the efficacy and safety of clesrovimab in healthy pre-term and full-term infants. It is hyp...

Eligibility Criteria

Inclusion

  • Key
  • Is a healthy male or female who is an early or moderate pre-term infant (≥29 to 34 weeks and 6 days gestational age) or a late pre-term or full-term infant (≥35 weeks gestational age)
  • For the phase 2b cohort only: Has a chronological age \>2 weeks of age up to 1 year and is entering their first respiratory syncytial virus (RSV) season at the time of obtaining documented informed consent.
  • For the phase 3 cohort only: Has a chronological age from birth up to 1 year and is entering their first RSV season at the time of obtaining documented informed consent.
  • For participants in South Korea only: Weighs ≥2 kg
  • Key

Exclusion

  • Is recommended to receive palivizumab per local guidelines or professional society recommendations.
  • Has known hypersensitivity to any component of clesrovimab
  • Has a bleeding disorder contraindicating IM administration
  • Has had a recent illness with rectal temperature ≥100.5°F (≥38.1°C) or axillary temperature ≥100.0°F (≥37.8°C) within 72 hours predose
  • Has received any vaccine or monoclonal antibody for the prevention of RSV
  • Is currently participating in or has participated in an interventional clinical study with an investigational compound or device at any time before first dose administration or while participating in this study

Key Trial Info

Start Date :

April 7 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

July 9 2024

Estimated Enrollment :

3632 Patients enrolled

Trial Details

Trial ID

NCT04767373

Start Date

April 7 2021

End Date

July 9 2024

Last Update

May 6 2025

Active Locations (217)

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Page 1 of 55 (217 locations)

1

Southeastern Pediatric Associates, P.A. ( Site 0008)

Dothan, Alabama, United States, 36303

2

Northwest Arkansas Pediatric Clinic ( Site 0050)

Fayetteville, Arkansas, United States, 72703

3

Children's Clinic of Jonesboro, PA ( Site 0058)

Jonesboro, Arkansas, United States, 72401

4

Long Beach Memorial Medical Center ( Site 0014)

Long Beach, California, United States, 90806

Efficacy and Safety of Clesrovimab (MK-1654) in Infants (MK-1654-004) | DecenTrialz