Phase 1b Combo w/ Ribociclib and Alpelisib

ID#: NCT05508906

Age: 18 years - 66+

Gender: All

Healthy Subjects: No

Study Phase: Phase 1

Recruitment Status: Recruiting

Start Date: August 31, 2022

End Date: August 31, 2024

Contact Information:
There may be multiple sites in this clinical trial OP-1250-003 Study
415 651 7206
Summary: This is a Phase 1b open-label, 2-part study in 2 treatment groups. The 2 treatment groups are as follows: Treatment Group 1: OP-1250 in combination with ribociclib (KISQALI®, Novartis Pharmaceuticals Corporation). Treatment Group 2: OP-1250 in combination with alpelisib (PIQRAY®, Novartis Pharmaceuticals Corporation).
Eligibility:

Inclusion Criteria:

- Female or male aged >18 years.

- Willing and able to participate and comply with all study requirements

- Histologically- or cytologically-confirmed advanced or MBC

- HR+/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 (measurable and non-measurable): 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 of progression since the irradiation).-Subject must have received at least 6 months of a prior continuous endocrine therapy for locally advanced or metastatic breast cancer

- 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) for advanced or metastatic disease. Prior hormonal regimens in combination with CDK4/6 inhibitors are allowed.

- Has received no more than 1 prior chemotherapy (which includes antibody drug conjugates) for locally advanced or metastatic breast cancer.

Exclusion Criteria:

- Prior or concurrent malignancy whose natural history or treatment may interfere with the safety or efficacy 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