A Phase 1/1b Open-Label Dose-Escalation and Dose-Optimization Study of Bcl-2 Inhibitor BGB 21447 in Patients With Mature B Cell Malignancies

2025-521600-21-00 Protocol BGB-21447-101 Human pharmacology (Phase I) - First administration to humans Ended

End 19 Dec 2025 · Status Ended · 2 EU/EEA countries · 8 sites · Protocol BGB-21447-101

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - First administration to humans
Status Ended
Participants planned 210
Countries 2
Sites 8

mature B-Cell malignancies

Key facts

Sponsor
Beigene Ltd.
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Neoplasms [C04]
Trial duration
completed 19 Dec 2025
Decision date (initial)
2025-09-30
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
No

External identifiers

EU CT number
2025-521600-21-00
ClinicalTrials.gov
NCT05828589

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

mature B-Cell malignancies

VersionLevelCodeTermSystem organ class
20.0 HLGT 10025320 Lymphomas non-Hodgkin's B-cell 10029104

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Beigene Ltd.

Sponsor organisation
Beigene Ltd.
Address
Solaris Avenue 94
City
Camana Bay
Postcode
KY1-1108
Country
Cayman Islands

Scientific contact point

Organisation
Beigene Ltd.
Contact name
BeiGene Clinical Support

Public contact point

Organisation
Beigene Ltd.
Contact name
BeiGene Clinical Support

Locations

2 EU/EEA countries · 8 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Ended 9 4
Italy Ended 9 4
Rest of world
Australia, United States, China, New Zealand
192

Investigational sites

France

4 sites · Ended
Centre Hospitalier Universitaire De Montpellier
Département d'Hématologie, 191 Avenue Du Doyen Gaston Giraud, 34295, Montpellier Cedex 5
Oncopole Claudius Regaud
Département d'Hématologie, 1 Avenue Irene Joliot Curie, 31100, Toulouse
Centre Hospitalier Universitaire De Dijon
Département d'Hématologie, 14 Rue Paul Gaffarel, 21000, Dijon
Hopital Saint Louis
Département d'Hématologie, 1 Avenue Claude Vellefaux, 75010, Paris

Italy

4 sites · Ended
Azienda Ospedaliero-Universitaria Di Bologna IRCCS Istituto Di Ricerca E Di Cura A Carattere Scientifico
UOC di Ematologia, Via Pietro Albertoni 15, 40138, Bologna
Humanitas Mirasole S.p.A.
Humanitas Cancer Center, Via Alessandro Manzoni 56, 20089, Rozzano
Centro Ricerche Cliniche Di Verona S.r.l.
Hematology unit, Piazzale Ludovico Antonio Scuro 10, 37134, Verona
IRCCS Istituto Nazionale Tumori Fondazione Pascale
SC Ematologia, Via Mariano Semmola 52, 80131, Naples

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-06-11 Italy Acceptable
2025-09-29
2025-09-29