Study Evaluating the Safety, Efficacy, and Pharmacokinetics of Mosunetuzumab and a Combined Regimen of Mosunetuzumab and Venetoclax in Patients with Relapsed or Refractory Chronic Lymphocytic Leukemia

2022-501876-24-00 Protocol BO43243 Human pharmacology (Phase I) - Other Authorised, recruiting

Start 17 Jun 2022 · Status Authorised, recruiting · 5 EU/EEA countries · 13 sites · Protocol BO43243

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - Other
Status Authorised, recruiting
Participants planned 64
Countries 5
Sites 13

Relapsed or Refractory (R/R) Chronic Lymphocytic Leukemia (CLL)

Key facts

Sponsor
F. Hoffmann-La Roche AG
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Diseases [C] - Neoplasms [C04]
Trial duration
17 Jun 2022 → ongoing
Decision date (initial)
2023-04-27
Transition trial
Yes
Low-intervention
No
Rare-disease indication
Yes
Vulnerable population
Yes

External identifiers

EU CT number
2022-501876-24-00
EudraCT number
2021-000846-16

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

Relapsed or Refractory (R/R) Chronic Lymphocytic Leukemia (CLL)

VersionLevelCodeTermSystem organ class
21.0 LLT 10008976 Chronic lymphocytic leukemia 10029104
21.1 LLT 10008978 Chronic lymphocytic leukemia refractory 10029104
21.1 LLT 10008977 Chronic lymphocytic leukemia recurrent 10029104

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

F. Hoffmann-La Roche AG

Sponsor organisation
F. Hoffmann-La Roche AG
Address
Grenzacherstrasse 124
City
Basel Town
Postcode
4058
Country
Switzerland

Scientific contact point

Organisation
F. Hoffmann-La Roche AG
Contact name
Trial Information System - TISL

Public contact point

Organisation
F. Hoffmann-La Roche AG
Contact name
Trial Information System - TISL

Locations

5 EU/EEA countries · 13 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Ended 6 2
Germany Ongoing, recruiting 8 2
Italy Ongoing, recruiting 12 4
Poland Ongoing, recruiting 20 3
Spain Ongoing, recruiting 8 2
Rest of world
United States, United Kingdom, Australia
10

Investigational sites

France

2 sites · Ended
Institut Claudius Regaud
Hematology, 1 Avenue Irene Joliot Curie, 31100, Toulouse
University Hospital Of Clermont-Ferrand
Hematology, 1 Place Lucie Et Raymond Aubrac, 63100, Clermont-Ferrand

Germany

2 sites · Ongoing, recruiting
University Hospital Augsburg
II, Stenglinstrasse 2, Kriegshaber, Augsburg
Universitaetsklinikum Ulm AöR
Innere Medizin III, Albert-Einstein-Allee 23, Eselsberg, Ulm

Italy

4 sites · Ongoing, recruiting
Azienda Socio Sanitaria Territoriale Degli Spedali Civili Di Brescia
UOC Ematologia, Piazzale Spedali Civili 1, 25123, Brescia
Ospedale San Raffaele S.r.l.
Programma di ricerca strategica sulla LLC, Via Olgettina 60, 20132, Milan
ASST Grande Ospedale Metropolitano Niguarda
SC Ematologia - Dip. di Ematologia e Oncologia, Piazza Dell'ospedale Maggiore 3, 20162, Milan
Hospital Santa Maria Della Misericordia
Ematologia e Trapianto Midollo Osseo, Piazzale Giorgio Menghini 1, 06129, Perugia

Poland

3 sites · Ongoing, recruiting
Uniwersytecki Szpital Kliniczny Im. Jana Mikulicza-Radeckiego We Wroclawiu
Klinika Hematologii, Terapii Komórkowych i Chorób Wewnętrznych, Ul. Wybrzeze Ludwika Pasteura 4, 50-367, Wroclaw
Pratia S.A.
Pratia, Ul. Pana Tadeusza 2, 30-727, Cracow
Centrum Wsparcia Badań Klinicznych UCK Ośrodek Badań Klinicznych Wczesnych Faz
Ośrodek Badań Klinicznych Wczesnych Faz, Smoluchowskiego 17, 80- 211, Gdansk

Spain

2 sites · Ongoing, recruiting
Hospital De La Santa Creu I Sant Pau
Hematology, Calle De San Antonio Maria Claret 167, 08025, Barcelona
Hospital Universitari Vall D Hebron
Hematology, Edificio Materno-Infantil, Passeig De La Vall D'hebron 119-129, Barcelona

Country notifications

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

Country Trial startTrial end Recruitment startRecruitment end Early termination
France 2022-06-17
Germany 2022-05-16 2024-10-17
Italy 2022-01-13 2022-03-16
Poland 2025-09-16 2025-09-24
Spain 2021-11-02 2022-02-21

Oversight and notifications

Regulatory notifications under CTR Articles 38, 52, 53, 54 and 77

Temporary halts 4 · Art. 38 CTR

Temporary halt TH-23062

Halt date
2023-07-03
Member states concerned
Spain
Publication date
2024-04-25
Reason
Sponsor decision
Explanation
The IMC members agree with proceeding to the dose escalation phase of the BO43243 study, however, despite the committee’s decision, the Study Leadership Team (SLT) has taken the decision to temporarily halt enrollment until a new protocol amendment (v4) incorporating changes in the dosing regimen is approved.
Follow-up measures
One patient (006) remains on study and on treatment, following the current protocol (v3)
Benefit-risk balance changed
No
Treatment stopped
No

Temporary halt TH-5141

Halt date
2023-07-03
Planned restart
2023-11-01
Member states concerned
France
Publication date
2023-09-20
Reason
Sponsor decision
Explanation
The IMC members agree with proceeding to the dose escalation phase of the BO43243 study, however, despite the committee’s decision, the Study Leadership Team (SLT) has taken the decision to temporarily halt enrollment until a new protocol amendment (v4) incorporating changes in the dosing regimen is approved.
Benefit-risk balance changed
No
Treatment stopped
No

Temporary halt TH-3140

Halt date
2023-07-03
Planned restart
2023-11-01
Member states concerned
Italy
Publication date
2023-07-20
Reason
Sponsor decision
Explanation
The IMC members agree with proceeding to the dose escalation phase of the BO43243 study, however, despite the committee’s decision, the Study Leadership Team (SLT) has taken the decision to temporarily halt enrollment until a new protocol amendment (v4) incorporating changes in the dosing regimen is approved.
Follow-up measures
One patient (006) remains on study and on treatment, following the current protocol (v3)
Benefit-risk balance changed
No
Treatment stopped
No

Temporary halt TH-3141

Halt date
2023-07-03
Planned restart
2023-11-01
Member states concerned
Germany
Publication date
2023-07-20
Reason
Sponsor decision
Explanation
The IMC members agree with proceeding to the dose escalation phase of the BO43243 study, however, despite the committee’s decision, the Study Leadership Team (SLT) has taken the decision to temporarily halt enrollment until a new protocol amendment (v4) incorporating changes in the dosing regimen is approved.
Follow-up measures
One patient (006) remains on study and on treatment, following the current protocol (v3)
Benefit-risk balance changed
No
Treatment stopped
No

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2023-02-16 Spain Acceptable
2023-04-11
2023-04-11
2 SUBSTANTIAL MODIFICATION SM-1 2023-06-20 Spain Acceptable
2023-08-01
2023-08-01
3 SUBSTANTIAL MODIFICATION SM-2 2023-08-10 Acceptable 2023-09-18
4 SUBSTANTIAL MODIFICATION SM-3 2023-12-05 Spain Acceptable
2024-03-14
2024-03-14
5 SUBSTANTIAL MODIFICATION SM-5 2024-05-31 Spain Acceptable
2024-07-09
2024-07-09
6 SUBSTANTIAL MODIFICATION SM-6 2024-10-10 Spain Acceptable
2024-11-28
2024-11-28
7 SUBSTANTIAL MODIFICATION SM-7 2025-01-30 Spain Acceptable
2025-04-25
2025-04-25
8 SUBSEQUENT ADDITION OF MSC APP-8 2025-05-19 Acceptable
2025-04-25
2025-08-18
9 NON SUBSTANTIAL MODIFICATION NSM-1 2025-08-21 Acceptable
2025-04-25
2025-08-21
10 SUBSTANTIAL MODIFICATION SM-10 2025-09-26 Spain Acceptable
2025-11-25
2025-11-28