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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04158362
Other study ID # UC-0140/1901
Secondary ID 2019-000260-14
Status Recruiting
Phase Phase 3
First received
Last updated
Start date June 11, 2020
Est. completion date June 2028

Study information

Verified date January 2024
Source UNICANCER
Contact Cécile VISSAC SABATIER
Phone 0625155960
Email c-vissac@unicancer.fr
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

AMBRE is a phase III study comparing two standard treatments as initial metastatic treatment in ER+/HER2- breast cancer (BC) patients with visceral metastasis and high burden disease: Chemotherapy and combination of endocrine therapy with abemaciclib.


Description:

The primary objective is to compare the efficacy of standard endocrine therapy + abemaciclib combination versus standard chemotherapy based on progression-free survival (PFS), in patients with visceral metastases of ER+/HER2- breast cancer and high tumor burden. Patients will be randomly assigned to receive either: - Standard chemotherapy regimen physician's choice either (paclitaxel or capecitabine) - Standard endocrine therapy regimen physician's choice + abemaciclib (Letrozole or anastrozole for patients nonsteroidal aromatase inhibitor (NSAI) naïve or relapsing >1 year after the end of adjuvant endocrine therapy, and fulvestrant for patients relapsing on adjuvant or less than one year after completion of adjuvant NSAI)


Recruitment information / eligibility

Status Recruiting
Enrollment 180
Est. completion date June 2028
Est. primary completion date December 2024
Accepts healthy volunteers No
Gender Female
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Patient must have signed a written informed consent form prior to any study specific procedures. 2. Female age = 18 years. 3. Performance status, Eastern Cooperative Oncology Group (ECOG) 0-2. 4. Histologically confirmed adenocarcinoma of the breast. 5. Metastatic breast cancer, with liver and/or lung and/or pleural and/or peritoneal metastases with high tumor burden (according to RECIST v1.1) defined as either: - visceral involvement of one site with more than 3 lesions, - visceral involvement of at least 2 sites, - symptomatic ascites or pleural effusion, defined as the need for weekly drainage with visceral measurable metastases, - visceral involvement and lactate dehydrogenase (LDH) > Normal value. 6. Patient considered candidate for a first line chemotherapy in metastatic setting by their physician (either capecitabine or paclitaxel) and who may receive first-line endocrine therapy combined with abemaciclib according to the marketed authorization. 7. ER-positive by immunohistochemistry (IHC) (>10%) on primary or metastatic disease. 8. HER2-negative by IHC (score 0 or 1+) and/or Fish/Cish negative. 9. Non-menopausal women will receive LH-RH agonists before starting the endocrine therapy and every 28 days thereafter. It is recommended that LH-RH agonist therapy be started approximately 28 days before the start of hormone therapy. 10. Adequate renal, hepatic, and hematopoietic functions as defined by the following criteria: - Absolute Neutrophil Count (ANC) =1,500/mm³ or =1.5 x 10?/L - Platelets =100,000/mm³ or =100 x 10?/L - Hemoglobin =8 g/dL (patients may receive erythrocyte transfusions to achieve this hemoglobin level at the discretion of the investigator. Initial treatment must not begin earlier than the day after the erythrocyte transfusion). - Serum Aspartate Transaminase (AST) and serum Alanine Aminotransferase Transaminase (ALT) =3 x upper limit of normal (ULN) (<5 ULN if liver metastasis) - Total serum bilirubin =1.5 x ULN (patients with Gilbert's syndrome with a total bilirubin =2.0 times ULN and direct bilirubin within normal limits are permitted) - Serum creatinine =1.5 x ULN or estimated creatinine clearance >60 mL/min as calculated using the standard method for the institution. 11. Women of childbearing potential agreeing to use highly effective contraception during treatment and for 3 weeks following the last dose of abemaciclib or for 6 months following the last dose of capecitabine or paclitaxel or for 2 years following the last dose of fulvestrant. 12. Women of childbearing potential must have a negative serum pregnancy test within 7 days and/or urine pregnancy test 48 hours prior to the administration of any study treatment. 13. Willingness and ability to comply with scheduled visits, treatment plan, laboratory tests, and other trial procedures. 14. Health insurance coverage. Exclusion Criteria: 1. Bone lesion only or non-measurable lesion (RECIST V1.1). 2. Patients with all target lesions in a previously irradiated region, except if clear progression has been observed prior to study in at least one of them. 3. Spinal cord compression and/or symptomatic or progressive brain metastases (Brain metastasis are not acceptable unless asymptomatic or treated and stable off steroids for at least 30 days prior to start of study drug). 4. Patient with visceral crisis as defined in the 4th ESO-ESMO International Consensus Guidelines (severe organ dysfunction as assessed by signs and symptoms, laboratory studies and rapid progression of disease). 5. Patient has received one line of chemotherapy for metastatic disease. 6. Patient has received endocrine therapy for metastatic disease. 7. Inability to swallow orally administered medication. 8. Patients who received radiotherapy must have completed and fully recovered from the acute effects of radiotherapy. A washout period of at least 14 days is required between end of radiotherapy and randomization. 9. Major problem with intestinal absorption. 10. Previous or current malignancies of other histologies within the last 5 years, with the exception of in situ carcinoma of the cervix or the breast, and adequately treated basal cell or squamous cell carcinoma of the skin. 11. Patient has active systemic bacterial infection (requiring intravenous [IV] antibiotics at time of initiating study treatment), fungal infection, or detectable viral infection (such as known human immunodeficiency virus positivity or with known active hepatitis B or C [for example, hepatitis B surface antigen positive]. Screening is not required for enrollment. 12. Patient has a personal history of any of the following conditions: syncope of cardiovascular etiology, ventricular arrhythmia of pathological origin (including, but not limited to, ventricular tachycardia and ventricular fibrillation), or sudden cardiac arrest. 13. Patient has any serious and/or uncontrolled preexisting medical condition(s) that, in the judgment of the investigator, would preclude participation in this study (for example, interstitial lung disease, severe dyspnea at rest or requiring oxygen therapy, severe renal impairment [e.g. estimated creatinine clearance <30 mL/min], history of major surgical resection involving the stomach or small bowel, or preexisting Crohn's disease or ulcerative colitis or a preexisting chronic condition resulting in baseline Grade 2 or higher diarrhea). 14. Any drug or plant derivative that may interact with abemaciclib. 15. Episode of pulmonary thromboembolism (PTE) in the last six months. Patients with deep vein thrombosis previously treated with a low-molecular-weight heparin for more than two months prior enrolment in the study will be eligible. 16. Patients with previously documented total/partial dihydropyrimidine dehydrogenase (DPD) deficiency or with DPD deficiency identified at baseline visit (plasma uracil concentration =16 ng/mL). These patients will be not eligible for chemotherapy by capecitabine. 17. Pregnant or breast feeding women. 18. Patients enrolled in another therapeutic study within 30 days prior inclusion. 19. Individuals deprived of liberty or placed under the authority of a tutor.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Paclitaxel injection
Paclitaxel is administrated at the dose of 80 mg/m² as a 1-hour intravenous infusion every week (i.e., D1, D8 and D15) of a 3-week cycle
Capecitabine tablets
Capecitabine is given orally at a dose of 2000 to 2500 mg/m² daily for 14 days followed by a 7-day rest period every 3 weeks
Letrozole 2.5mg
Letrozole is administered orally at 2.5 mg/day continuous for patients nonsteroidal aromatase inhibitor naïve or relapsing >1 year after the end of adjuvant endocrine therapy.
Anastrozole 1mg
Anastrozole is administered orally at 1 mg/day continous for patients nonsteroidal aromatase inhibitor (NSAI) naïve or relapsing >1 year after the end of adjuvant endocrine therapy.
Fulvestrant Prefilled Syringe
Fulvestrant is administered at the dose of 500 mg intramuscular on D1-D15-D29 (as a loading dose), and then 500 mg every 28 days (as a maintenance dose) for patients relapsing on adjuvant or less than one year after completion of adjuvant NSAI.
Abemaciclib
Oral 150 mg BID continuous

Locations

Country Name City State
France Centre Hospitalier Lyon Sud Pierre Benite
France Centre Eugène Marquis Rennes

Sponsors (1)

Lead Sponsor Collaborator
UNICANCER

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Progression-free survival (PFS) PFS will be measured from the date of randomization until the date of event defined as the first documented progression (RECIST v1.1) or death from any cause. From randomization to the date of the first documented progression (RECIST v1.1) or death from any cause up to 48 months
Secondary Patients' quality of life by the Quality of life questionnaire - Core 30 (QLQ-C30) Developed by the EORTC, this self-reported questionnaire assesses the health-related quality of life of cancer patients in clinical trials.
The questionnaire includes five functional scales (physical, everyday activity, cognitive, emotional, and social), three symptom scales (fatigue, pain, nausea and vomiting), a health/quality of life overall scale, and a number of additional elements assessing common symptoms (including dyspnea, loss of appetite, insomnia, constipation, and diarrhea), as well as, the perceived financial impact of the disease.
All of the scales and single-item measures range in score from 0 to 100. A high scale score represents a higher response level.
At baseline and every 6 weeks during 24 weeks
Secondary Patients' quality of life by the Quality of Life Questionnaire - Breast cancer module (QLQ-BR23) This EORTC breast cancer specific questionnaire is intended to supplement the QLQ-C30.
The QLQ-BR23 contains 23 items incorporating five multi-item scales to assess systemic therapy side effects, arm symptoms, breast symptoms, body image and sexual functioning. In addition, single items assess sexual enjoyment, hair loss and future perspective. All items are rated on a four-point Likert-type scale (1 = "not at all", 2 = "a little", 3 = "quite a bit", and 4 = "very much"), and are linearly transformed to a 0-100 scale. For all items but sexual functioning and sexual enjoyment, higher scores indicate more severe symptoms.
At baseline and every 6 weeks during 24 weeks
Secondary Patients' quality of life by the Quality of Life G8 The G8 questionnaire is a 8-item screening tool developed specifically for older patients (>70 years old) leaving with cancer. This tool, addressed by the clinician, covers multiple domains, focusing on nutritional status, weight loss, body mass index, mobility, neuropsychological problems, medication use, self-rated health status, and age. The score ranges from 17 (not at all impaired) to 0 (heavily impaired). At baseline
Secondary Objective response rate (ORR) The overall response rate (ORR) will be defined as the proportion of randomized patients who achieve a complete response (CR) or a partial response (PR) at 24 weeks. 24 weeks
Secondary Duration of response (DoR) The duration of response (DoR) will be defined as the duration between the time of tumor response (CR or PR) until the date of objective progression. evey 8 weeks up to 48 months
Secondary Progression-free-survival 1 (PFS1) PFS1 is defined as the interval between the date of randomization and the date of progression or death from any cause regardless of whether the patient withdraws from randomized study treatment or receives another anti-cancer therapy prior to progression. Throughout the study up to 48 months
Secondary Progression-free-survival 2 (PFS2) PFS2 is defined as the time from the date of randomization to the earliest of the progression event subsequent to that used for the primary variable PFS, or date of death (i.e., objective radiological, CA15-3 or symptomatic progression). Throughout the study up to 48 months
Secondary PFS1 and PFS2 in prespecified subgroups defined by stratification factors Stratification will be performed according to:
Sensitivity to Endocrine therapy
endocrine sensitive = relapse >1 year after ending adjuvant endocrine therapy
endocrine resistance = relapse during or within 1 year after ending adjuvant endocrine therapy
de novo
Planned chemotherapy (capecitabine versus paclitaxel)
Liver metastasis Yes or No. Block randomization (ratio 1:1) will be stratified by the 12 (3*2*2) above-described groups
Throughout the study up to 48 months
Secondary Overall survival (OS) The overall survival is the length of time from randomization that patients endocrine therapy/abemaciclib improves overall survival compared to chemotherapy. From the date of randomization to the date of death from any cause, assessed up to 48 months
Secondary Incidence of Treatment-Emergent Adverse Events The tolerance and safety will be evaluated by toxicity (acute [<6 months after the start of atezolizumab] and late [=6 months after the start of atezolizumab]), assessed using the NCI CTCAE v5.0. Throughout study completion, up to 48 months
Secondary Maintenance regimens after chemotherapy regimen Number of maintenance regimens administered after the end of the standard treatment by chemotherapy and in the absence of disease progression. 48 months
Secondary Circulating tumor cell (CTC) count To study the predictive and prognostic value of circulating tumor cell count (<5 versus = 5 CTC/7.5mL) At baseline
Secondary Progression-free survival (PFS) within 24 weeks PFS within 24 months will be measured from the date of randomization until the date of event defined as the first documented progression (RECIST v1.1) or death from any cause. From randomization to the date of the last available tumor assessment up to 24 weeks.
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