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Detection of tumor DNA in the blood of patients receiving standard therapy for hormone receptorpositive (HR+) non-HER2 expressing (HER2-) metastatic breast cancer as a tool to select those who may benefit from the next course of fulvestrant in combination with alpelisib or ribociclib.
EU CTIS ID: 2022-502372-22-01
What this study is testing
This randomised study aims to compare the efficacy of alpelisib-fulvestrant to ribociclib-fulvestrant, in terms of PFS, for the treatment of women and men with persistent mutations on exon 4, 9 or 20 of PIK3CA ctDNA after 4 weeks of treatment with any CDK4/6 inhibitor-fulvestrant in first-line setting.
- Therapeutic exploratory (Phase II)
A plain-language read of the study's public EU CTIS listing. The study team confirms the details.
Who can take part
You may be able to join if
- Screening Program : Patient must have signed a written informed consent prior to any study-specific screening procedures (the consent form specifically for the screening phase must be signed).
- Screening Program : Patient has an adequate bone marrow and organ function.
- Screening Program : Patient has an adequate bone marrow and organ function.
- Screening Program : Patients must be willing and able to comply with the protocol for the duration of the study including scheduled visits, treatment plan, laboratory tests and other study procedures.
- Screening Program : Patient must be affiliated to the national social security (or equivalent).
- Randomised study phase : Patient must have signed a written informed consent prior to any procedures for the randomised study phase (the consent form specifically for the randomised study phase must be signed).
You likely can't join if
- Screening Program : Prior exposure to PIK3CA-AKT or CDK4/6 inhibitors.
- Randomised study phase : Patient is eligible to chemotherapy because of visceral crisis.
- Randomised study phase : Pregnant or lactating women.
- Randomised study phase : Patient has received more than 2 cycles of the ongoing CDK4/6 inhibitor treatment combined with fulvestrant before randomisation.
- Randomised study phase : Patient has interrupted the ongoing CDK4/6 inhibitor treatment for more than 14 days before randomisation.
- Randomised study phase : Patient has evidence of clinical or radiological disease progression before randomisation.
See the full eligibility criteria
Who can join
- Screening Program : Patient must have signed a written informed consent prior to any study-specific screening procedures (the consent form specifically for the screening phase must be signed).
- Screening Program : Patient has an adequate bone marrow and organ function.
- Screening Program : Patient has an adequate bone marrow and organ function.
- Screening Program : Patients must be willing and able to comply with the protocol for the duration of the study including scheduled visits, treatment plan, laboratory tests and other study procedures.
- Screening Program : Patient must be affiliated to the national social security (or equivalent).
- Randomised study phase : Patient must have signed a written informed consent prior to any procedures for the randomised study phase (the consent form specifically for the randomised study phase must be signed).
- Randomised study phase : Patient has a persistent mutations on exon 4, 9 or 20* of PIK3CA ctDNA determined by circulating tumour DNA (ctDNA) assay after 4 weeks of treatment with any CDK4/6 inhibitor combined with fulvestrant.
- Randomised study phase : Patient must have discontinued CDK4/6 inhibitor (palbociclib, ribociclib, or abemaciclib) at least 7 days before randomisation.
- Randomised study phase : ECOG performance status is ≤1.
- Randomised study phase : Patient’s life expectancy is deemed ≥3 months.
- Randomised study phase : Patient has an adequate bone marrow and organ function as defined
- Screening Program : Patient is ≥18 years of age.
- Randomised study phase : Participant must have the following laboratory values within normal limits or corrected to within normal limits with supplements before randomisation
- Randomised study phase : Participant must have the following laboratory values within normal limits or corrected to within normal limits with supplements before randomisation : QTcF interval <450ms (using Fridericia’s correction), Resting heart rate between 50-90 bpm.
- Randomised study phase : Women of childbearing potential must have a negative serum pregnancy test result within 14 days of enrolment in the randomised trial phase.
- Randomised study phase : Men or Women of childbearing potential must agree to the use of effective contraceptive for the study duration and for at least 2 year after the last dose of study treatment for women, and at least 21 days for men.
- Randomised study phase : Patients must be willing and able to comply with the protocol for the duration of the study including scheduled visits, treatment plan, laboratory tests and other study procedures.
- Screening Program : Patient has an histologically or cytologically confirmed metastatic breast cancer.
- Screening Program : Patient has a HER2- breast cancer
- Screening Program : Patient has hormone receptor-positive (HR+) breast cancer, defined as having oestrogen receptor (ER) and/or progesterone receptor (PR) expression in ≥10% of tumour cells.
- Screening Program : Patient had a metastatic relapse during or within 1 year after termination of the adjuvant endocrine therapy.
- Screening Program : Patient has not yet been treated in the metastatic breast cancer setting.
- Screening Program : Patient is eligible for a first-line treatment with a marketed CDK4/6 inhibitor (palbociclib, ribociclib, or abemaciclib) in combination with fulvestrant, according to its marketing authorisation.
- Screening Program : Eastern Cooperative Oncology Group (ECOG) performance status is ≤1.
What rules you out
- Screening Program : Prior exposure to PIK3CA-AKT or CDK4/6 inhibitors.
- Randomised study phase : Patient is eligible to chemotherapy because of visceral crisis.
- Randomised study phase : Pregnant or lactating women.
- Randomised study phase : Patient has received more than 2 cycles of the ongoing CDK4/6 inhibitor treatment combined with fulvestrant before randomisation.
- Randomised study phase : Patient has interrupted the ongoing CDK4/6 inhibitor treatment for more than 14 days before randomisation.
- Randomised study phase : Patient has evidence of clinical or radiological disease progression before randomisation.
- Randomised study phase : Patient has unresolved adverse events (grade ≥1), except alopecia and grade ≥2 unresolved adverse events related to fulvestrant or the LH-RH analogue which are acceptable to randomisation.
- Randomised study phase : Patient is considered at high medical risk because of severe or uncontrolled systemic disease, including but not limited to diabetes mellitus, clinically significant pulmonary disease, clinically significant neurological disorder, chronic pancreatitis, chronic active hepatitis, active untreated/uncontrolled fungal, bacterial, or viral infections, as well as known active viral infections with hepatitis B, hepatitis C, or human immunodeficiency virus (HIV).
- Randomised study phase : Participant has currently documented pneumonitis/interstitial lung disease (the chest CT scan performed before start of study treatment for the purpose of tumour assessment should be reviewed to confirm that there are no relevant pulmonary complications present).
- Randomised study phase : Participant has a history of severe cutaneous reaction, such as Stevens-Johnson Syndrome (SJS), Erythema Multiforme (EM), Toxic Epidermal Necrolysis (TEN), or Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
- Randomised study phase : Participant with unresolved osteonecrosis of the jaw.
- Screening Program : Patient that has initiated the CDK4/6 inhibitor treatment.
- Randomised study phase : Clinically significant, uncontrolled heart disease and/or cardiac repolarization abnormalities
- Randomised study phase : Patient who has received radiotherapy ≤4 weeks or limited field radiation for palliation ≤2 weeks prior to starting study drug, or who has not recovered to grade 1 or better from related side effects of such therapy (exceptions include alopecia) and/or in whom ≥ 25% of the bone marrow was irradiated
- Randomised study phase : Patient is currently consuming any of the following foods, supplements, herbal preparations or medications that cannot be discontinued within 7 days of initiating the study treatment: Known strong inducers or inhibitors of CYP3A4/5 (including grapefruits), Medications predominantly metabolised through CYP3A4/5, with a narrow therapeutic window
- Randomised study phase : Patient has known hypersensitivity to any of the study treatment excipients, in particular patients with allergies to soya or peanuts.
- Randomised study phase : Patient is or plans to participate in another interventional therapeutic clinical trial. Concurrent participation in an observational study is acceptable.
- Randomised study phase : Patient has malignancies, other than that under study, except for adequately treated conebiopsied in situ carcinoma of the cervix and basal or squamous cell carcinoma of the skin. Cancer survivors, who have undergone potentially curative therapy for a prior malignancy, with no evidence of relapse/recurrence within ≥5 years, and at negligible risk for recurrence are eligible for the study.
- Randomised study phase : Patient has any condition/disease, for which the investigator considers that participating in the trial is inappropriate or that may jeopardize treatment and protocol compliance.
- Randomised study phase : Patient deprived of liberty or under the authority of a tutor.
- Screening Program : Patient with spinal cord compression and/or symptomatic or progressive brain metastases (unless asymptomatic or treated and stable off steroids for ≥30 days before initiating the study treatment).
- Screening Program : Participant with an established diagnosis of diabetes mellitus type I or not controlled type II (based on FG and HbA1c).
- Screening Program : Patient unable to swallow tablets.
- Screening Program : Patient with known hypersensitivity to any of the study treatment excipients, in particular patients with allergies to soya or peanuts.
- Screening Program : Patients with a history of malabsorption syndrome or other condition that may interfere with enteral absorption: including but not limited to active intestine inflammation (e.g., Crohn’s disease or ulcerative colitis) requiring immunosuppressive therapy.
- Screening Program : Patient with any condition/disease for which the investigator considers that participating in the study is inappropriate or that may jeopardize treatment and protocol compliance.
- Screening Program : Patient deprived of liberty or under the authority of a tutor.
The study team makes the final eligibility decision.
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18-64 years, 65+ years. The study team makes the final eligibility decision.
Explore other conditions
BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from EU CTIS; the study team decides eligibility.