A First in Human Study to Assess Safety, Tolerability and Pharmacokinetics of a single dose of REGN22044 in Healthy Adults

2025-523562-24-00 Protocol R22044-HV-2533 Human pharmacology (Phase I) - First administration to humans Authorised, recruitment pending

Status Authorised, recruitment pending · 1 EU/EEA countries · 1 sites · Protocol R22044-HV-2533

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - First administration to humans
Status Authorised, recruitment pending
Participants planned 64
Countries 1
Sites 1

Heathy volunteer trial

Key facts

Sponsor
Regeneron Pharmaceuticals Inc.
Participant type
Healthy volunteers
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Not possible to specify
Decision date (initial)
2026-05-11
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Heathy volunteer trial

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Regeneron Pharmaceuticals Inc.

Sponsor organisation
Regeneron Pharmaceuticals Inc.
Address
777 Old Saw Mill River Road
City
Tarrytown
Postcode
10591-6717
Country
United States

Scientific contact point

Organisation
Regeneron Pharmaceuticals Inc.
Contact name
Medical Affairs

Public contact point

Organisation
Regeneron Pharmaceuticals Inc.
Contact name
Medical Affairs

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Belgium Authorised, recruitment pending 64 1
Rest of world 0

Investigational sites

Belgium

1 site · Authorised, recruitment pending
Universiteit Gent
Drug Research Unit Ghent, Corneel Heymanslaan 10, 9000, Gent

Application history

2 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2026-03-16 Belgium Acceptable
2026-05-11
2026-05-11
2 SUBSTANTIAL MODIFICATION SM-1 2026-05-22 Belgium Acceptable 2026-06-02