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New treatment option for Metastatic Breast Cancer
Official title Phase 1b Study of OP-1250 (Palazestrant) in Combination With Ribociclib, Alpelisib, Everolimus, or Atirmociclib in ER+, HER2- Breast Cancer
ClinicalTrials.gov ID: NCT05508906
What this study is testing
What is Palazestrant?
Palazestrant is an investigational medicine, given as an once-daily pill taken by mouth, being studied as a potential treatment for metastatic breast cancer.
Plain-language explanation of the investigational treatment - it is being studied and is not an approved or proven therapy. The study team can confirm the details.
- What it's testing
- This is a Phase 1b open-label, 2-part study in 3 treatment groups. The 3 treatment groups are as follows: Treatment Group 1: Palazestrant (OP-1250) in combination with ribociclib (KISQALI®, Novartis Pharmaceuticals Corporation).
- Phase 1: an early, usually small safety study
A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.
Who can take part
Ages 18 and older
You may be able to join if
- Female or male aged \>18 years.
- Willing and able to participate and comply with all study requirements.
- Histologically- or cytologically-confirmed advanced or metastatic Breast Cancer (mBC).
- ER+/HER2- disease, as determined in the most recently obtained archival tumor tissue sample from a metastatic site, using locally accepted criteria...
- Evaluable disease with one of the following: Measurable disease, ie, at least 1 measurable lesion as per RECIST 1.1 (a lesion at a previously...
You likely can't join if
- Prior or concurrent malignancy whose natural history or treatment may interfere with the safety or how well it works assessment of the...
- Clinically significant, uncontrolled heart disease and/or cardiac repolarization abnormality.
- History of cerebral vascular disease within 6 months prior to the first administration of study drug dose.
- History of a pulmonary embolism, or deep venous thrombosis within the last 6 months, or subject has an increased risk of thrombosis as determined by...
- History of pneumonitis or interstitial lung disease.
- Leptomeningeal disease or spinal cord compression.
See the full eligibility criteria
- Female or male aged \>18 years.
- Willing and able to participate and comply with all study requirements.
- Histologically- or cytologically-confirmed advanced or metastatic Breast Cancer (mBC).
- ER+/HER2- disease, as determined in the most recently obtained archival tumor tissue sample from a metastatic site, using locally accepted criteria by the local pathology report.
- Evaluable disease with one of the following: Measurable disease, ie, at least 1 measurable lesion as per RECIST 1.1 (a lesion at a previously irradiated site may only be counted as a target lesion if there is clear sign...
- Life expectancy ≥6 months, as judged by the investigator.
- Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1.
- Has received no more than 1 prior hormonal regimen (Treatment Group 1). Has received no more than 2 prior hormonal regimens (Treatment Group 2 and Treatment Group 3) . Has received no more than 2 prior hormonal regimens...
- Has received no more than 1 prior chemotherapy (which includes antibody drug conjugates) for locally advanced or metastatic breast cancer.
- Prior or concurrent malignancy whose natural history or treatment may interfere with the safety or how well it works assessment of the investigational regimen.
- Clinically significant, uncontrolled heart disease and/or cardiac repolarization abnormality.
- History of cerebral vascular disease within 6 months prior to the first administration of study drug dose.
- History of a pulmonary embolism, or deep venous thrombosis within the last 6 months, or subject has an increased risk of thrombosis as determined by the investigator.
- History of pneumonitis or interstitial lung disease.
- Leptomeningeal disease or spinal cord compression.
- Medical history or ongoing gastrointestinal disorders that could affect absorption of oral therapeutics.
- Known human immunodeficiency virus infection.
- Known clinically significant history of liver disease consistent with Child-Pugh Class B or C, including active viral or other hepatitis (eg, hepatitis B or hepatitis C virus), current alcohol abuse, or cirrhosis.
- History of severe cutaneous reaction, such as Stevens-Johnson syndrome, erythema multiforme, toxic epidermal necrolysis, or drug reaction with eosinophilia and systemic symptoms.
- Active infection or at a high risk of developing a serious infection (e.g. participants with immunodeficiencies, uncontrolled diabetes mellitus, uncontrolled heart disease, poor general health, poor nutritional status).
- Has clinically significant co-morbidities, such as, psychiatric disease, or any other condition that could impact the ability of the subject to participate in this study or otherwise has the potential to confound the...
- Have received prior treatment with OP-1250.
- Have received prior treatment with approved or investigational PI3K inhibitor (Treatment Group 2) or mTOR inhibitor (Treatment Group 3).
The study team makes the final eligibility decision.
Where it's taking place
- Gilbert, Arizona, United States
- San Francisco, California, United States
- Aurora, Colorado, United States
- Orlando, Florida, United States
- Iowa City, Iowa, United States
- Boston, Massachusetts, United States
- Detroit, Michigan, United States
- Minneapolis, Minnesota, United States
- St Louis, Missouri, United States
- New York, New York, United States
- Charlotte, North Carolina, United States
- Nashville, Tennessee, United States
- Houston, Texas, United States
- Tacoma, Washington, United States
- Sydney, New South Wales, Australia
- Nedlands, Western Australia, Australia
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 years and older. The study team makes the final eligibility decision.
Where is this trial taking place?
Study sites include Gilbert, Arizona, United States; San Francisco, California, United States; Aurora, Colorado, United States; Orlando, Florida, United States; Iowa City, Iowa, United States; Boston, Massachusetts, United States and 10 more location(s). 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 ClinicalTrials.gov; the study team decides eligibility.