A Study to Test How Safe, Effective and How Body’s Responds to the Combination of Mosunetuzumab and Pirtobrutinib Together to Treat Patients with Relapsed or Refractory Chronic Lymphocytic Leukemia

2024-514152-32-00 Protocol BO45287 Human pharmacology (Phase I) - Other Ongoing, recruiting

Start 6 Oct 2025 · Status Ongoing, recruiting · 3 EU/EEA countries · 8 sites · Protocol BO45287

Overview

Sponsor-declared trial summary

Phase Human pharmacology (Phase I) - Other
Status Ongoing, recruiting
Participants planned 40
Countries 3
Sites 8

Relapsed or Refractory Chronic Lymphocytic Leukemia (R/R 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
6 Oct 2025 → ongoing
Decision date (initial)
2025-09-29
Transition trial
No
Low-intervention
No
Rare-disease indication
No
Vulnerable population
Yes

Trial design

CTIS Part I — objectives, methods, condition coding

Conditions and MedDRA coding

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

VersionLevelCodeTermSystem organ class
21.0 LLT 10008976 Chronic lymphocytic leukemia 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
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

3 EU/EEA countries · 8 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Ongoing, recruiting 10 2
Poland Ongoing, recruiting 7 3
Spain Authorised, recruiting 5 3
Rest of world
Australia, Israel, United States, New Zealand
18

Investigational sites

France

2 sites · Ongoing, recruiting
University Hospital Of Clermont-Ferrand
Thérapie cellulaire et hématologie clinique, 1 Place Lucie Et Raymond Aubrac, 63100, Clermont-Ferrand
Oncopole Claudius Regaud
Hématologie, 1 Avenue Irene Joliot Curie, 31100, Toulouse

Poland

3 sites · Ongoing, recruiting
Uniwersytecki Szpital Kliniczny Nr 4 W Lublinie
Oddział Wieloprofilowy Zachowawczy, Ul. Dra Kazimierza Jaczewskiego 8, 20-090, Lublin
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 MCM Kraków, Ul. Pana Tadeusza 2, 30-727, Cracow

Spain

3 sites · Authorised, recruiting
Clinica Universidad De Navarra
Hematology, Calle Marquesado De Santa Marta 1, 28027, Madrid
Clinica Universidad De Navarra
Hematology, Pio XII Etorbidea 36, 31008, Pamplona
Hospital Universitari Vall D Hebron
Hematology, Passeig De La Vall D'Hebron 119-129, 08035, 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 2026-05-05 2026-05-18
Poland 2025-10-06 2025-11-17
Spain 2025-11-12

Oversight and notifications

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

Corrective measures 1 · Art. 77 CTR

Corrective measure CM-FR-0001

Member state
France
Publication date
2025-12-03
Type
3
Reason
7
Immediate action required
Yes
Justification
In line with the version 6.4 of CTR Q&A / point 1.23, the sponsor is requested to submit a specific SM Part II only in France in order to update its CTA in line with the documentation approved during the appeal procedure within 10 days after the submission of this corrective measure.

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2025-06-10 Spain Acceptable
2025-09-25
2025-09-25
2 NON SUBSTANTIAL MODIFICATION NSM-1 2025-10-02 Spain Acceptable
2025-09-25
2025-10-02
3 SUBSTANTIAL MODIFICATION SM-1 2025-10-17 Spain Acceptable
2025-12-19
2025-11-21
4 SUBSTANTIAL MODIFICATION SM-2 2025-12-23 Acceptable 2026-01-21