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A Study Evaluating the Efficacy and Safety of Adjuvant Giredestrant Compared With Physician's Choice of Adjuvant Endocrine Monotherapy in Participants With Estrogen Receptor-Positive, HER2-Negative Early Breast Cancer (lidERA Breast Cancer)

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ClinicalTrials.gov Identifier: NCT04961996
Recruitment Status : Recruiting
First Posted : July 14, 2021
Last Update Posted : May 25, 2023
Sponsor:
Information provided by (Responsible Party):
Hoffmann-La Roche

Study Description
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Brief Summary:
This is a Phase III, global, randomized, open-label, multicenter, study evaluating the efficacy and safety of adjuvant giredestrant compared with endocrine therapy of physician's choice in participants with medium- and high-risk Stage I-III histologically confirmed estrogen receptor (ER)-positive and human epidermal growth factor receptor 2 (HER2)-negative early breast cancer.

Condition or disease Intervention/treatment Phase
Early Breast Cancer Drug: Giredestrant Drug: Endocrine Therapy of Physician's Choice Drug: LHRH Agonist Phase 3

Study Design
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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 4100 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase III, Randomized, Open-Label, Multicenter Study Evaluating the Efficacy and Safety of Adjuvant Giredestrant Compared With Physician's Choice of Adjuvant Endocrine Monotherapy in Patients With Estrogen Receptor-Positive, HER2-Negative Early Breast Cancer
Actual Study Start Date : August 27, 2021
Estimated Primary Completion Date : December 19, 2025
Estimated Study Completion Date : November 21, 2033

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Breast Cancer

Arms and Interventions
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Arm Intervention/treatment
Experimental: Arm A: Giredestrant Drug: Giredestrant
Giredestrant 30 milligrams (mg) will be administered orally once a day (QD) on Days 1-28 of each 28-day cycle for 5 years or until disease recurrence or unacceptable toxicity (whichever occurs first).
Other Names:
  • GDC-9545
  • RO7197597
  • RG6171

Drug: LHRH Agonist
A luteinizing hormone-releasing hormone (LHRH) agonist will be administered to male participants and premenopausal/perimenopausal participants according to local prescribing information. The investigator may determine and supply the appropriate LHRH agonist locally approved for use in breast cancer.
Active Comparator: Arm B: Endocrine Therapy of Physician's Choice Drug: Endocrine Therapy of Physician's Choice
The endocrine therapy of physician's choice (TPC) is limited to tamoxifen or one of the specified third generation aromatase inhibitors: letrozole, anastrozole, or exemestane. Participants will receive TPC daily on Days 1-28 of each 28-day cycle for 5 years or until disease recurrence or unacceptable toxicity (whichever occurs first). Continuing TPC after 5 years is at the discretion of the investigator and per local standard of care. Dose administration of TPC should be performed in accordance with the local prescribing information for the respective product.

Drug: LHRH Agonist
A luteinizing hormone-releasing hormone (LHRH) agonist will be administered to male participants and premenopausal/perimenopausal participants according to local prescribing information. The investigator may determine and supply the appropriate LHRH agonist locally approved for use in breast cancer.


Outcome Measures
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Primary Outcome Measures :
  1. Invasive Disease-Free Survival (IDFS), Excluding Second Primary Non-Breast Cancers [ Time Frame: From randomization to first occurrence of an IDFS event (up to 10 years) ]

Secondary Outcome Measures :
  1. Overall Survival [ Time Frame: From randomization to death from any cause (up to 10 years) ]
  2. Invasive Disease-Free Survival (IDFS), Including Second Primary Non-Breast Cancers [ Time Frame: From randomization to first occurrence of an IDFS event (up to 10 years) ]
  3. Disease-Free Survival (DFS) [ Time Frame: From randomization to first occurrence of a DFS event (up to 10 years) ]
  4. Distant Recurrence-Free Interval (DRFI) [ Time Frame: From randomization to first occurrence of a DFRI event (up to 10 years) ]
  5. Locoregional Recurrence-Free Interval (LRRFI) [ Time Frame: From randomization to first occurrence of a LRRFI event (up to 10 years) ]
  6. Mean Physical Functioning Scale Score at Specified Timepoints, Assessed Using the European Organisation for the Research and Treatment of Cancer Quality of Life Questionnaire (EORTC QLQ-C30) [ Time Frame: Baseline (Cycle 1) and Cycles 3, 6, 9, 12, 15, 18, 21, 24, 30, 36, 42, 48, 54, and 60 (1 cycle is 28 days) of treatment, once every 6 months during the first 2 years of post-treatment follow-up and annually for 3 years thereafter (up to 10 years) ]
  7. Change from Baseline in the Mean Physical Functioning Scale Score at Specified Timepoints, Assessed Using the EORTC QLQ-C30 [ Time Frame: Baseline (Cycle 1) and Cycles 3, 6, 9, 12, 15, 18, 21, 24, 30, 36, 42, 48, 54, and 60 (1 cycle is 28 days) of treatment, once every 6 months during the first 2 years of post-treatment follow-up and annually for 3 years thereafter (up to 10 years) ]
  8. Mean Role Functioning Scale Score at Specified Timepoints, Assessed Using the EORTC QLQ-C30 [ Time Frame: Baseline (Cycle 1) and Cycles 3, 6, 9, 12, 15, 18, 21, 24, 30, 36, 42, 48, 54, and 60 (1 cycle is 28 days) of treatment, once every 6 months during the first 2 years of post-treatment follow-up and annually for 3 years thereafter (up to 10 years) ]
  9. Change from Baseline in the Mean Role Functioning Scale Score at Specified Timepoints, Assessed Using the EORTC QLQ-C30 [ Time Frame: Baseline (Cycle 1) and Cycles 3, 6, 9, 12, 15, 18, 21, 24, 30, 36, 42, 48, 54, and 60 (1 cycle is 28 days) of treatment, once every 6 months during the first 2 years of post-treatment follow-up and annually for 3 years thereafter (up to 10 years) ]
  10. Mean Global Health Status/Quality of Life (QoL) Scale Score at Specified Timepoints, Assessed Using the EORTC QLQ-C30 [ Time Frame: Baseline (Cycle 1) and Cycles 3, 6, 9, 12, 15, 18, 21, 24, 30, 36, 42, 48, 54, and 60 (1 cycle is 28 days) of treatment, once every 6 months during the first 2 years of post-treatment follow-up and annually for 3 years thereafter (up to 10 years) ]
  11. Change from Baseline in the Mean Global Health Status/Quality of Life (QoL) Scale Score at Specified Timepoints, Assessed Using the EORTC QLQ-C30 [ Time Frame: Baseline (Cycle 1) and Cycles 3, 6, 9, 12, 15, 18, 21, 24, 30, 36, 42, 48, 54, and 60 (1 cycle is 28 days) of treatment, once every 6 months during the first 2 years of post-treatment follow-up and annually for 3 years thereafter (up to 10 years) ]
  12. Change from Baseline in the EQ 5D-5L Index-Based Score at Specified Timepoints [ Time Frame: Baseline (Cycle 1) and Cycles 3, 6, 9, 12, 15, 18, 21, 24, 30, 36, 42, 48, 54, and 60 (1 cycle is 28 days) of treatment, once every 6 months during the first 2 years of post-treatment follow-up and annually for 3 years thereafter (up to 10 years) ]
  13. Change from Baseline in the EQ 5D-5L Visual Analogue Scale (VAS) Score at Specified Timepoints [ Time Frame: Baseline (Cycle 1) and Cycles 3, 6, 9, 12, 15, 18, 21, 24, 30, 36, 42, 48, 54, and 60 (1 cycle is 28 days) of treatment, once every 6 months during the first 2 years of post-treatment follow-up and annually for 3 years thereafter (up to 10 years) ]
  14. Incidence and Severity of Adverse Events, with Severity Determined According to National Cancer Institute Common Terminology Criteria for Adverse Events, version 5.0 (NCI-CTCAE v5.0) [ Time Frame: From start of treatment until 28 days after the final dose of study treatment (up to 5 years) ]
  15. Plasma Concentrations of Giredestrant at Specified Timepoints [ Time Frame: Predose and 3-4 hours postdose on Day 1 of Cycles 1 and 2, and predose on Day 1 of Cycles 3 and 6 (1 cycle is 28 days) ]

Eligibility Criteria
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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Documented estrogen receptor (ER)-positive and HER2-negative breast tumor, as assessed locally on a primary disease specimen
  • Participants who have multicentric (the presence of two of more tumor foci within different quadrants of the same breast) and/or multifocal (the presence of two or more tumor foci within a single quadrant of the breast) breast cancer are also eligible if all examined tumors meet pathologic criteria for ER positivity and HER2 negativity
  • Participants must have undergone definitive surgery of their primary breast tumor(s) and axillary lymph nodes (axillary lymph node dissection [ALND] and/or sentinel lymph node biopsy [SLNB])
  • Participants who received or will be receiving adjuvant chemotherapy must have completed adjuvant chemotherapy prior to randomization. Participants may also have received neoadjuvant chemotherapy. A washout period of at least 21 days is required between last adjuvant chemotherapy dose and randomization.
  • Resolution of all acute toxic effects of prior anti-cancer therapy or surgical procedures to NCI CTCAE v5.0 Grade 1 or better (except alopecia, Grade ≤2 peripheral neuropathy, arthralgia or other toxicities not considered a safety risk for the participant per the investigator's judgment)
  • Participants have received (neo)adjuvant chemotherapy and/or had surgery and had no prior endocrine therapy are eligible, provided that they are enrolled within 12 months following definitive breast cancer surgery
  • Participants who have confirmed availability of an untreated primary breast tumor tissue specimen suitable for biomarker testing (i.e., representative archived formalin-fixed, paraffin-embedded [FFPE] tissue block [preferred] or 15-20 slides containing unstained, freshly cut, serial sections), with associated de-identified pathology report is required. Although 15-20 slides are preferred, if only 10-14 slides are available, the individual may still be eligible for the study.
  • Participants with node-positive and node-negative disease are eligible provided they meet additional risk criteria as defined in the protocol
  • Eastern Cooperative Oncology Group (ECOG) Performance Status 0, 1, or 2
  • Able and willing to swallow, retain, and absorb oral medication
  • Adequate organ function

Exclusion Criteria:

  • Pregnant or breastfeeding, or intending to become pregnant during the study or within 10 days after the final dose of giredestrant, or within the time period specified per local prescribing guidelines after the final dose of the endocrine therapy of physician's choice
  • Received treatment with investigational therapy within 28 days prior to initiation of study treatment or is currently enrolled in any other type of medical research judged by the sponsor not to be scientifically or medically compatible with this study
  • Receiving or planning to receive a CDK4/6 inhibitor as (neo)adjuvant therapy. A short course of up to 12 weeks of neoadjuvant or adjuvant treatment with CDK4/6 inhibitor therapy prior to randomization is allowed.
  • Active cardiac disease or history of cardiac dysfunction
  • Diagnosed with Stage IV breast cancer
  • A history of any prior (ipsilateral and/or contralateral) invasive breast cancer or ductal carcinoma in situ (DCIS). Participants with a history of contralateral DCIS treated by only local regional therapy at any time may be eligible.
  • A history of any other malignancy within 3 years prior to screening, except for appropriately treated carcinoma in situ of the cervix, nonmelanoma skin carcinoma, or Stage I uterine cancer
  • Any prior endocrine treatment with selective ER modulators (e.g., tamoxifen), degraders, or aromatase inhibitors. A short course of neoadjuvant or adjuvant endocrine therapy (up to 12 weeks) is allowed.
  • Clinically significant liver disease consistent with Child-Pugh Class B or C, including active hepatitis (e.g., hepatitis B virus [HBV] or hepatitis C virus [HCV]), current alcohol abuse, cirrhosis, or positive test for viral hepatitis
  • Treatment with strong CYP3A4 inhibitors or inducers within 14 days or 5 drug elimination half-lives (whichever is longer) prior to initiation of study treatment
  • Known allergy or hypersensitivity to any of the study drugs or any of their excipients
  • Pre- and perimenopausal participants or male participants who have a known hypersensitivity to LHRH agonists
  • A documented history of hemorrhagic diathesis, coagulopathy, or thromboembolism
  • Renal dysfunction that requires dialysis
  • A major surgical procedure unrelated to breast cancer within 28 days prior to randomization
  • A serious infection requiring oral or IV antibiotics within 14 days prior to screening or other clinically significant infection (e.g., COVID-19) within 14 days prior to screening
  • Any serious medical condition or abnormality in clinical laboratory tests that, in the investigator's judgment, precludes an individual's safe participation in and completion of the study
  • Unable or unwilling to comply with the requirements of the protocol in the opinion of the investigator
Contacts and Locations
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Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04961996


Contacts
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Contact: Reference Study ID Number: GO42784 https://forpatients.roche.com/ 888-662-6728 (U.S. Only) global-roche-genentech-trials@gene.com

Locations
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Sponsors and Collaborators
Hoffmann-La Roche
Investigators
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Study Director: Clinical Trials Hoffmann-La Roche
More Information
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Responsible Party: Hoffmann-La Roche
ClinicalTrials.gov Identifier: NCT04961996    
Other Study ID Numbers: GO42784
2021-000129-28 ( EudraCT Number )
First Posted: July 14, 2021    Key Record Dates
Last Update Posted: May 25, 2023
Last Verified: May 2023
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description:

Qualified researchers may request access to individual patient level data through the request platform (www.vivli.org). Further details on Roche's criteria for eligible studies are available here (https://vivli.org/ourmember/roche/).

For further details on Roche's Global Policy on the Sharing of Clinical Information and how to request access to related clinical study documents, see here (https://www.roche.com/innovation/process/clinical-trials/data-sharing/).

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Breast Neoplasms
Neoplasms by Site
Neoplasms
Breast Diseases
Skin Diseases