Phase 1 Safety and Tolerability Study of REGN9533 in Healthy Adults.

2024-515285-14-00 Protocol R9533-HV-2411 Human pharmacology (Phase I) - First administration to humans Ended

Start 4 Mar 2025 · End 29 Jan 2026 · Status Ended · 1 EU/EEA countries · 1 sites · Protocol R9533-HV-2411

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - First administration to humans
Status Ended
Participants planned 72
Countries 1
Sites 1

Healthy Volunteers

Key facts

Sponsor
Regeneron Pharmaceuticals Inc.
Participant type
Healthy volunteers
Age range
18-64 years
Gender
Male and Female
Therapeutic area
Diseases [C] - Hemic and Lymphatic Diseases [C15], Diseases [C] - Cardiovascular Diseases [C14]
Trial duration
4 Mar 2025 → 29 Jan 2026
Decision date (initial)
2025-02-18
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No

External identifiers

EU CT number
2024-515285-14-00
ClinicalTrials.gov
NCT06665828

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Healthy Volunteers

VersionLevelCodeTermSystem organ class
27.1 PT 10019860 Hereditary angioedema 100000004850

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 Ended 72 1
Rest of world 0

Investigational sites

Belgium

1 site · Ended
SGS Belgium
Clinical Pharmacology Unit, Drie Eikenstraat 655, 2650, Edegem

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Belgium 2025-03-04 2026-01-29 2025-03-04 2025-10-22

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-11-15 Belgium Acceptable
2025-02-18
2025-02-18