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SERENA-2: A Randomised, Open-Label, Parallel-Group, Multicentre Phase 2 Study Comparing the Efficacy and Safety of Oral AZD9833 versus Fulvestrant in Women with Advanced ER-Positive HER2-Negative Breast Cancer

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-504974-40-00
Acronym
D8530C00002
Enrollment
30
Registered
2024-09-09
Start date
2020-04-24
Completion date
Unknown
Last updated
2025-08-04

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

Conditions

Estrogen Receptor Positive HER2 Negative Advanced Breast Cancer

Brief summary

Progression-free survival

Detailed description

Objective response rate, Duration of response, Percentage change in tumour size in tumour size at 16 weeks, Overall survival, Clinical benefit rate at 24 weeks, Plasma concentrations of AZD9833 and, if appropriate, metabolite(s), Percent change from baseline in ER and progesterone receptor (PgR) expression assessed by the manual H-score method, Percent change from baseline in Ki67 labelling index., Changes from baseline in total/subscale scores of the HrQoL questionnaires.

Interventions

DRUGFULVESTRANT

Sponsors

AstraZeneca AB
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Progression-free survival

Secondary

MeasureTime frame
Objective response rate, Duration of response, Percentage change in tumour size in tumour size at 16 weeks, Overall survival, Clinical benefit rate at 24 weeks, Plasma concentrations of AZD9833 and, if appropriate, metabolite(s), Percent change from baseline in ER and progesterone receptor (PgR) expression assessed by the manual H-score method, Percent change from baseline in Ki67 labelling index., Changes from baseline in total/subscale scores of the HrQoL questionnaires.

Countries

Belgium, France, Hungary, Italy, Poland, Portugal, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026