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A clinical study to assess the efficacy of alpelisib plus fulvestrant in participants with HR-positive, HER2-negative, advanced breast cancer after treatment with a CDK4/6 inhibitor and an aromatase inhibitor
EU CTIS ID: 2023-509133-39-00
What this study is testing
To determine whether treatment with alpelisib plus fulvestrant prolongs progression-free survival (PFS) compared to treatment with placebo plus fulvestrant
- Therapeutic confirmatory (Phase III)
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
- Participant is an adult ≥ 18 years old at the time of informed consent and has signed informed consent before any trial related activities and according to local guidelines.
- Participant has a histologically and/or cytologically confirmed diagnosis of ER+ and/or PgR+ breast cancer by local laboratory.
- Participant has HER2-negative breast cancer defined as a negative in situ hybridization test or an IHC status of 0, 1+ or 2+. If IHC is 2+, a negative in situ hybridization (Fluorescent in situ hybridization (FISH), Chromogenic in situ hybridization (CISH), or Silver-enhanced in situ hybridization (SISH)) test is required by local laboratory testing.
- Participant has at least one measurable lesion as per RECIST v1.1 criteria as assessed by Investigator (a lesion at a previously irradiated site may only be counted as a target lesion if there is clear sign of progression since the irradiation).
- Participant has recurrence or progression of disease during or after combined AI (i.e. letrozole, anastrozole, exemestane) and CDK4/6 inhibitor therapy. The combined AI and CDK4/6 inhibitor therapy does not need to be the latest treatment regimen (including adjuvant setting).
- Participant has received ≤2 prior lines of systemic therapies overall in the metastatic setting, of which a maximum of 1 line of prior treatment with chemotherapy (except for neoadjuvant/ adjuvant chemotherapy) is permitted.
You likely can't join if
- Participant with symptomatic visceral disease or any disease burden that makes the participant ineligible for endocrine therapy (ET) per the investigator's best judgment.
- Participant who relapsed with documented evidence of progression more than 12 months from completion of (neo)adjuvant endocrine/endocrine-based therapy with no treatment for metastatic disease
- Participant has received prior treatment with fulvestrant, any oral selective estrogen receptor degrader (SERD), any Phosphatidylinositol-3-Kinase (PI3K), mammalian Target of Rapamycin (mTOR) or Protein Kinase B (AKT) inhibitor
See the full eligibility criteria
Who can join
- Participant is an adult ≥ 18 years old at the time of informed consent and has signed informed consent before any trial related activities and according to local guidelines.
- Participant has a histologically and/or cytologically confirmed diagnosis of ER+ and/or PgR+ breast cancer by local laboratory.
- Participant has HER2-negative breast cancer defined as a negative in situ hybridization test or an IHC status of 0, 1+ or 2+. If IHC is 2+, a negative in situ hybridization (Fluorescent in situ hybridization (FISH), Chromogenic in situ hybridization (CISH), or Silver-enhanced in situ hybridization (SISH)) test is required by local laboratory testing.
- Participant has at least one measurable lesion as per RECIST v1.1 criteria as assessed by Investigator (a lesion at a previously irradiated site may only be counted as a target lesion if there is clear sign of progression since the irradiation).
- Participant has recurrence or progression of disease during or after combined AI (i.e. letrozole, anastrozole, exemestane) and CDK4/6 inhibitor therapy. The combined AI and CDK4/6 inhibitor therapy does not need to be the latest treatment regimen (including adjuvant setting).
- Participant has received ≤2 prior lines of systemic therapies overall in the metastatic setting, of which a maximum of 1 line of prior treatment with chemotherapy (except for neoadjuvant/ adjuvant chemotherapy) is permitted.
- The presence of PIK3CA mutation(s) determined in tumor tissue prior to enrollment either by a Novartis designated laboratory or in tumor tissue or plasma ctDNA by a local laboratory using a Food and Drug Administration (FDA)-approved PIK3CA Companion Diagnostics (CDx) test for alpelisib or the CE-IVD QIAGEN Therascreen® PIK3CA RGQ PCR test.
- If female, then the participant must be in postmenopausal status
What rules you out
- Participant with symptomatic visceral disease or any disease burden that makes the participant ineligible for endocrine therapy (ET) per the investigator's best judgment.
- Participant who relapsed with documented evidence of progression more than 12 months from completion of (neo)adjuvant endocrine/endocrine-based therapy with no treatment for metastatic disease
- Participant has received prior treatment with fulvestrant, any oral selective estrogen receptor degrader (SERD), any Phosphatidylinositol-3-Kinase (PI3K), mammalian Target of Rapamycin (mTOR) or Protein Kinase B (AKT) inhibitor
The study team makes the final eligibility decision.
Where it's taking place
- Canada
- United Kingdom
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, 65+ years, 18-64 years. The study team makes the final eligibility decision.
Where is this trial taking place?
Study sites include Canada; United Kingdom. Enter your location above to see the nearest site and check your eligibility.
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.