A Study Evaluating the Efficacy and Safety of Giredestrant Combined With Palbociclib Compared With Letrozole Combined With Palbociclib in Participants With Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer (persevERA Breast Cancer)
Breast Cancer
Unknown Primary
18 Years and older, Male and Female
BO41843 (primary)
NCI-2020-08420
2020-000119-66
Summary
This Phase III, randomized, double-blind, placebo-controlled, multicenter study will
evaluate the efficacy and safety of giredestrant combined with palbociclib compared with
letrozole combined with palbociclib in patients with estrogen receptor (ER)-positive,
human epidermal growth factor receptor-2 (HER2)-negative locally advanced (recurrent or
progressed) or metastatic breast cancer.
Eligibility
- For women who are premenopausal or perimenopausal and for men: treatment with approved LHRH agonist therapy for the duration of study treatment
- Locally advanced (recurrent or progressed) or metastatic adenocarcinoma of the breast, not amenable to treatment with curative intent
- Documented ER-positive tumor and HER2-negative tumor, assessed locally
- Patients who have bilateral breast cancers which are both ER-positive and HER2-negative can be included in the study because the metastases are suitably targeted by the study treatments. If patients have bilateral tumors which are of different biomarker status, then proof of the ER and HER2 status of the metastases is required for study entry
- No history of systemic anti-cancer therapy for locally advanced (recurrent or progressed) or metastatic disease
- Disease recurrence from early-stage breast cancer after standard adjuvant endocrine therapy meeting the protocol-defined criteria of having received at least 24 months of treatment without disease progression during treatment and a disease-free interval since the completion of treatment that was greater than 12 months
- Measurable disease as defined per RECIST v.1.1 or bone only disease which must have at least one predominantly lytic bone lesion confirmed by CT or MRI which can be followed
- Eastern Cooperative Oncology Group Performance Status 0-1
- Adequate organ function
Treatment Sites in Georgia
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