Phase 1b/2, Multicenter, Open-label, Dose-Expansion Modular Study To Explore the Safety, Tolerability, and Anti-tumor Activity of HER3-DXd monotherapy and combinations in Patients with inoperable advanced breast cancer (ABC) after progression on T-DXd- (ICARUS BREAST 2)

2023-505925-15-00 Protocol 2023/3668 Phase I and Phase II (Integrated) - First administration to humans Ongoing, recruiting

Start 21 Mar 2024 · Status Ongoing, recruiting · 1 EU/EEA countries · 5 sites · Protocol 2023/3668

Overview

Sponsor-declared trial summary

Phase Phase I and Phase II (Integrated) - First administration to humans
Status Ongoing, recruiting
Participants planned 150
Countries 1
Sites 5

Patients with HER2-positive (HER2-pos) (cohort 1) or HER2-low defined as a score 1+ on immunohistochemistry [IHC] or as an IHC score 2+ and negative results on in situ hybridization (ISH) (cohort 2) ABC, and any hormone receptor (HR) status, who have progressed on trastuzumab deruxtecan (T-DXd). In addition to previous T-DXd, patients with HER2-pos tumors must have received prior treatment with trastuzumab (+/- pertuzumab) and taxanes and may have received T-DM1. Patients with HER2-low tumors must have received prior treatment with taxanes. Patients with HR-positive (HR+) and HER2-low tumor must have received prior treatment with endocrine therapy and CDK4/6 inhibitors.

Key facts

Sponsor
Institut Gustave Roussy
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Male and Female
Therapeutic area
Not possible to specify
Trial duration
21 Mar 2024 → ongoing
Decision date (initial)
2024-01-10
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

Patients with HER2-positive (HER2-pos) (cohort 1) or HER2-low defined as a score 1+ on immunohistochemistry [IHC] or as an IHC score 2+ and negative results on in situ hybridization (ISH) (cohort 2) ABC, and any hormone receptor (HR) status, who have progressed on trastuzumab deruxtecan (T-DXd). In addition to previous T-DXd, patients with HER2-pos tumors must have received prior treatment with trastuzumab (+/- pertuzumab) and taxanes and may have received T-DM1. Patients with HER2-low tumors must have received prior treatment with taxanes. Patients with HR-positive (HR+) and HER2-low tumor must have received prior treatment with endocrine therapy and CDK4/6 inhibitors.

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Institut Gustave Roussy

Sponsor organisation
Institut Gustave Roussy
Address
114 Rue Edouard Vaillant
City
Villejuif
Postcode
94800
Country
France

Scientific contact point

Organisation
Institut Gustave Roussy
Contact name
DRC-PROMOTION- Affaires réglementaires

Public contact point

Organisation
Institut Gustave Roussy
Contact name
DRC-PROMOTION- Affaires réglementaires

Locations

1 EU/EEA country · 5 investigational sites

By country

CountryMS statusPlanned subjectsSites
France Ongoing, recruiting 150 5
Rest of world 0

Investigational sites

France

5 sites · Ongoing, recruiting
Institut Paoli Calmettes
ONCOLOGY, 232 Boulevard De Sainte Marguerite, Bp 156, Marseille
Institut Gustave Roussy
SENOLOGY, 114 Rue Edouard Vaillant, 94800, Villejuif
Centr Georges Francois Leclerc
ONCOLOGY, 1 Rue Professeur Marion, 21000, Dijon
Centre Antoine Lacassagne
ONCOLOGY, 33 Avenue De Valombrose, 06189, Nice Cedex 2
Centre De Lutte Contre Le Cancer Eugene Marquis
ONCOLOGY, Avenue La Bataille Flandre Dunkerque, Cs 44229, Rennes Cedex

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 2024-03-21 2024-03-21

Application history

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

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2023-09-07 France Acceptable
2024-01-10
2024-01-10
2 NON SUBSTANTIAL MODIFICATION NSM-2 2024-01-16 France Acceptable
2024-01-10
2024-01-16
3 SUBSTANTIAL MODIFICATION SM-1 2025-07-11 France Acceptable
2025-08-07
2025-09-05
4 NON SUBSTANTIAL MODIFICATION NSM-4 2025-10-03 France Acceptable
2025-08-07
2025-10-03
5 SUBSTANTIAL MODIFICATION SM-2 2026-03-26 France Acceptable
2026-04-23
2026-05-05