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A PHASE II, MULTICENTER, RANDOMIZED, DOUBLE-BLIND STUDY OF RO7247669 COMBINED WITH NAB-PACLITAXEL COMPARED WITH PEMBROLIZUMAB COMBINED WITH NAB-PACLITAXEL IN PARTICIPANTS WITH PREVIOUSLY UNTREATED, PD-L1*POSITIVE, LOCALLY-ADVANCED UNRESECTABLE OR METASTATIC TRIPLE-NEGATIVE BREAST CANCER

A PHASE II, MULTICENTER, RANDOMIZED, DOUBLE-BLIND STUDY OF RO7247669 COMBINED WITH NAB-PACLITAXEL COMPARED WITH PEMBROLIZUMAB COMBINED WITH NAB-PACLITAXEL IN PARTICIPANTS WITH PREVIOUSLY UNTREATED, PD-L1*POSITIVE, LOCALLY-ADVANCED UNRESECTABLE OR METASTATIC TRIPLE-NEGATIVE BREAST CANCER - CO44194

Status
Unknown
Phases
Phase 2
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON53202
Enrollment
2
Registered
2023-08-22
Start date
2023-10-02
Completion date
Unknown
Last updated
2026-03-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

TNBC Breast cancer TNBC

Interventions

RO7247669 plus nab-paclitaxel compared with pembrolizumab plus nab-paclitaxel

Sponsors

Roche Nederland B.V.
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: • Signed Informed Consent Form • Age >= 18 years at the time of signing Informed Consent Form • Metastatic or locally advanced unresectable, histologically documented TNBC (absence of HER2-over-expression, ER, and PgR expression by local assessment) • Measurable disease per RECIST v1.1 • If metastatic disease (Stage IV), measurable disease outside of the bone • Previously irradiated lesions can be considered as measurable disease only if disease progression has been unequivocally documented at that same lesion since radiation • No prior systemic therapy for metastatic or locally advanced unresectable TNBC • Tumor PD-L1 expression as documented through central testing of a representative tumor tissue specimen. • Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1 (see Appendix 9) More inclusion criteria are stated in protocol section 5.1

Exclusion criteria

Exclusion criteria: • Pregnancy or breastfeeding, or intention of becoming pregnant during the study or within 4 months after the final dose of RO7247669 or pembrolizumab, and 6 months after the final dose of nab-paclitaxel. • Poor venous access • Glomerular filtration rate (GFR) 90%) • Symptomatic, untreated, or actively progressing central nervous system (CNS) metastases More exclusion criteria are stated in the protocol section 5.2

Design outcomes

Primary

MeasureTime frame
PFS, defined as the time from randomization to the first occurrence of disease progression, as determined by the investigator according to RECIST v1.1, or death from any cause (whichever occurs first).

Secondary

MeasureTime frame
• ORR, defined as the proportion of participants with a CR or a PR on two consecutive occasions >= 4 weeks apart, as determined by the investigator according to RECIST v1.1 • DOR, defined as the time from the first occurrence of a confirmed objective response to the first occurrence of disease progression, as determined by the investigator according to RECIST v1.1, or death from any cause, whichever occurs first • OS, defined as the time from randomization to death from any cause • PFS rate at 12 months, defined as the proportion of participants who have not experienced disease progression or death from any cause at 12 months after randomization, as determined by the investigator, according to RECIST v1.1 • OS rate at 12 months, defined as the proportion of participants who have not experienced death from any cause at 12 months after randomization • Incidence and severity of adverse events, with severity determined according to NCI CTCAE v5.0 • Change from baseline in targeted clinical laboratory test results • Change from baseline in targeted vital signs • PK profiles and parameters derived for RO7247669 including but not limited to, when appropriate and when data allow, the parameters listed below: - Maximum concentration - Time of maximum concentration - Clearance - Volume of distribution at steady state - Area under the concentration-time curve - Half*life • Incidence and titer of RO7247669 ADA during the study relative to the prevalence of ADA at baseline and impact of ADAs on exposure, activity and safety

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP) · Data processed: Mar 14, 2026