clesrovimab

Trade name: Enflonsia

mAbapproved

Approved

Jun 9, 2025

Clinical trial activity

4 trials · 1 clinical orgs · 1 marketing orgs

Phase 1
1
Phase 2
3
Phase 3
2
Phase 4
0

Earliest trial started Aug 31, 2018 (NCT03524118)

Timeline

2010s

  1. Jan 1, 2018

    Merck — Earliest Phase 1 Sponsor(trial)

  2. Jan 1, 2019

    Merck — Earliest Phase 2 Sponsor(trial)

2020s

  1. Jan 1, 2021

    Merck — Earliest Phase 3 Sponsor(trial)

  2. Jun 9, 2025

    Earliest FDA Approval

  3. Jun 9, 2025

    Merck — Marketing Organization

Indications

Mechanism of action

Approval history

  • approvedPriority reviewJun 9, 2025

Chemistry & pharmacology

Chirality
Single Stereoisomer
Inorganic
No
Polymer
No
Multi-specific
No

Oral

No

Parenteral

No

Topical

No

Sources

Clinical trials

NCT IDPhaseStart dateSponsor(s)
NCT04938830Phase 3Nov 30, 2021Merck
NCT04767373Phase 2/Phase 3 (Phase 3)Apr 7, 2021Merck
NCT04086472Phase 2Oct 21, 2019Merck
NCT03524118Phase 1/Phase 2 (Phase 2)Aug 31, 2018Merck
Showing 4 of 4 trials
Page 1 / 1

Organizations

Research & Development (1)

OrganizationOrg typeTrialsAs lead sponsorPhasesEarliest year
MerckFor profit4422018
1 organizations
Page 1 / 1

Marketing (1)

OrganizationOrg typeRelationshipDate
MerckFor profitMKTGJun 9, 2025