Ipatasertib in Combination With Carboplatin Carboplatin/Paclitaxel or Capecitabine/Atezolizumab in Treating Patients With Metastatic Triple Negative Breast Cancer

  • STATUS
    Recruiting
  • End date
    Jun 21, 2022
  • participants needed
    40
  • sponsor
    City of Hope Medical Center
Updated on 25 January 2021

Summary

This phase I trial studies best dose of ipatasertib and how well it works with carboplatin with or without paclitaxel in treating patients with triple negative breast cancer that has spread to other places in the body (metastatic). Ipatasertib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Drugs used in chemotherapy, such as carboplatin, paclitaxel, and capecitabine, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. Immunotherapy with monoclonal antibodies, such as atezolizumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. It is not yet known whether giving ipatasertib in combination with carboplatin, carboplatin/paclitaxel, or capecitabine/atezolizumab will work better in treating patients with triple negative breast cancer.

Description

PRIMARY OBJECTIVES:

I. To determine the recommended phase II dose (RP2D) of ipatasertib plus carboplatin/paclitaxel (arm A), ipatasertib plus carboplatin (arm B), and ipatasertib, atezolizumab, and capecitabine (arm C) in patients with metastatic triple negative breast cancer (TNBC). (Phase I) II. To obtain initial evidence of activity by examining progression free survival for each dose regimen. (Phase IB)

SECONDARY OBJECTIVES:

I. To confirm the recommended phase II dose (RPIID) safety in expanded cohort by evaluating toxicities and confirm tolerability of the combinations.

II. To obtain evidence of activity by examining response rate based on Response Evaluation Criteria in Solid Tumors (RECIST) 1.1.

III. To evaluate clinical benefit rate (CBR), event-free survival, time-to-treatment failure and overall survival.

IV. Further describe the cumulative toxicities (Common Terminology Criteria for Adverse Events [CTCAE] 5.0) of the combinations.

V. To evaluate patient's quality of life (QOL).

EXPLORATORY OBJECTIVES:

I. To evaluate the progression-free survival and overall survival, based on the genomic alterations including PIK3CA/AKT/PTEN alterations and BRCA status.

II. To study the association of TNBC messenger ribonucleic acid (mRNA) expression profiling including Vanderbilt molecular subtype and treatment response.

III. To study the association of stool microbiome, calprotectin with diarrhea. IV. To study peripheral blood circulating tumor deoxyribonucleic acid (DNA). V. To study therapy resistance by analyzing tumor genomics and transcriptome analysis.

VI. To study the profiles of peripheral blood mononuclear cells and its association with response to therapy.

VII. To study genomic immune biomarkers and its association with response.

OUTLINE: This is a phase I, dose-escalation trial of ipatasertib, followed by a phase II trial. Patients are randomized or assigned to 1 of 3 arms depending on available slots.

ARM A: Patients receive ipatasertib orally (PO) once daily (QD) on days 1-28. Patients also receive carboplatin intravenously (IV) over 30 minutes and paclitaxel IV over 60 minutes on days 1, 8, and 15 or days 1 and 15. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.

ARM B: Patients receive ipatasertib PO QD on days 1-28. Patients also receive carboplatin IV over 30 minutes on days 1, 8, and 15 or days 1 and 15. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.

ARM C: Patients receive ipatasertib PO QD on days 1-21, capecitabine PO twice daily (BID) on days 1-7 and 15-21, and atezolizumab IV over 30-60 minutes on days 1 and 15. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up every 3 months for 36 months.

Details
Condition Estrogen Receptor Negative, Progesterone Receptor Negative, Anatomic Stage IV Breast Cancer AJCC v8, Prognostic Stage IV Breast Cancer AJCC v8, HER2/Neu Negative, Metastatic Triple-Negative Breast Carcinoma, HER2/Neu Negative, Metastatic Triple-Negative Breast Carcinoma, Metastatic Triple-Negative Breast Carcinoma, Metastatic Triple-Negative Breast Carcinoma, Metastatic Triple-Negative Breast Carcinoma, Metastatic Triple-Negative Breast Carcinoma, Metastatic Triple-Negative Breast Carcinoma
Treatment Capecitabine, questionnaire administration, quality-of-life assessment, carboplatin, Paclitaxel, Atezolizumab, Ipatasertib
Clinical Study IdentifierNCT03853707
SponsorCity of Hope Medical Center
Last Modified on25 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Signed informed consent form
Ability to comply with the study protocol, in the investigator's judgment
Histologically or cytologically confirmed triple negative breast cancer defined by estrogen receptor (ER) or progesterone receptor (PR) =< 10% by immunohistochemistry (IHC) and HER2 negative defined by current American Society of Clinical Oncology/College of American Pathologists (ASCO/CAP) guideline
Disease progression during or following treatment with 0-2 lines of chemotherapy and/or biological targeted therapy in the metastatic setting
Measurable (Arm C only) or non-measurable (allowed for Arm A or B) but evaluable disease per RECIST version (v)1.1 (Previously irradiated lesions can be considered as measurable disease only if progressive disease has been unequivocally documented at that site since radiation.)
Baseline tissue requirement
A formalin-fixed paraffin-embedded (FFPE) tumor specimen in a paraffin block (preferred) or at least 20 x 5 um slides containing unstained, freshly cut, serial sections must be collected along with an associated pathology report prior to study enrollment
If only 10-19 slides are available, the patient may still be eligible for the study, after principal investigator approval has been obtained
If archival tumor tissue is unavailable or is determined to be unsuitable for required testing, tumor tissue must be obtained from a biopsy performed at screening
A biopsy may also be performed at screening if a patient's archival tissue test results do not meet eligibility criteria
Eastern Cooperative Oncology Group (ECOG) performance status of 0-1
Life expectancy >= 3 months
Absolute neutrophil count (ANC) >= 1.5 x 10^9/L (1,500/uL) without granulocyte colony-stimulating factor support (obtained within 14 days prior to initiation of study treatment)
Platelet count >= 100 x 10^9/L (100,000/uL) without transfusion (obtained within 14 days prior to initiation of study treatment)
Hemoglobin >= 9 mg/dL (9 mg/dL) (patients may be transfused to meet this criterion) (obtained within 14 days prior to initiation of study treatment)
Aspartate aminotransferase (AST) and alanine aminotransferase (ALT) =< 2.5 x upper limit of normal (ULN) (obtained within 14 days prior to initiation of study treatment), with the following exception
Patients with documented liver or bone metastases may have AST and ALT =< 5 x ULN
Alkaline phosphatase (ALP) =< 2 x ULN (obtained within 14 days prior to initiation of study treatment), with the following exceptions
Patients with known liver involvement may have ALP =< 5 x ULN
Patients with known bone involvement may have ALP =< 7 x upper limit (UL)
Serum bilirubin =< 1.5 x ULN (obtained within 14 days prior to initiation of study treatment) with the following exception
Patients with known Gilbert disease: serum bilirubin level =< 3 x ULN
Serum creatinine =< 1.5 x ULN or creatinine clearance >= 50 mL/min (calculated using the Cockcroft-Gault formula) (obtained within 14 days prior to initiation of study treatment)
Partial thromboplastin time (PTT) (or activated partial thromboplastin time [aPTT]) and international normalized ratio (INR) =< 1.5 x ULN (except for patients receiving anticoagulation therapy) (obtained within 14 days prior to initiation of study treatment)
Patients receiving heparin treatment should have a PTT (or aPTT) between 1.5 and 2.5 x ULN (or patient value before starting heparin treatment). Patients receiving coumarin derivatives should have an INR between 2.0 and 3.0 assessed in two consecutive measurements 1 to 4 days apart
Fasting total glucose =< 150 mg/dL (obtained within 14 days prior to initiation of study treatment)
For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive methods with a failure rate of < 1% per year during the treatment period and for 6 months after the last dose of study treatment. Women must refrain from donating eggs during this same period
A woman is considered to be of childbearing potential if she is post-menarcheal, has not reached a postmenopausal state (>= 12 continuous months of amenorrhea with no identified cause other than menopause), and has not undergone surgical sterilization (removal of ovaries and/or uterus)
Examples of contraceptive methods with a failure rate of < 1% per year include bilateral tubal ligation, male sterilization, hormonal contraceptives that inhibit ovulation, hormone- releasing intrauterine devices, and copper intrauterine devices
The reliability of sexual abstinence should be evaluated in relation to the duration of the clinical trial and the preferred and usual lifestyle of the patient. Periodic abstinence (e.g., calendar, ovulation, symptothermal, or post ovulation methods) and withdrawal are not acceptable methods of contraception
For men: agreement to remain abstinent (refrain from heterosexual intercourse) or use a condom, and agreement to refrain from donating sperm, as defined below
With female partners of childbearing potential or pregnant female partners, men must remain abstinent or use a condom during the treatment period and for 6 months after the last dose of study treatment to avoid exposing the embryo. Men must refrain from donating sperm during this same period
The reliability of sexual abstinence should be evaluated in relation to the duration of the clinical trial and the preferred and usual lifestyle of the patient. Periodic abstinence (e.g., calendar, ovulation, symptothermal, or post ovulation methods) and withdrawal are not acceptable methods of contraception

Exclusion Criteria

Inability to comply with study and follow-up procedures
>= grade 3 toxicities from previous treatment, not recovered to =< grade 2 at study entry
Prior exposure to PI3K/AKT/mTOR pathway inhibitors including but not limited to everolimus, ipatasertib, gedatolisib or alpelisib etc
Prior exposure to carboplatin for treatment of metastatic TNBC not allowed; prior treatment of carboplatin as neoadjuvant or adjuvant therapy allowed if last dose of therapy completed >= 12 months prior to initiation of the current study
Prior exposure to paclitaxel or nab-paclitaxel for treatment of metastatic TNBC not allowed for carboplatin/paclitaxel arm; prior treatment of paclitaxel or nab-paclitaxel as neoadjuvant or adjuvant therapy allowed if last dose of therapy completed >= 12 months prior to initiation of the current study
Prior exposure to capecitabine for treatment of metastatic TNBC not allowed for Arm C; prior treatment of capecitabine as adjuvant therapy allowed if the last dose of therapy completed >= 12 months prior to initiation of the current study for Arm C
Prior treatment with immune check point inhibitors for Arm C
Prior treatment with CD137 agonists or immune checkpoint blockade therapies, including anti-CTLA-4, anti-PD-1, and anti-PD-L1 therapeutic antibodies
Prior treatment with systemic immunostimulatory agents (including, but not limited to, interferon and interleukin 2 [IL-2]) within 4 weeks or 5 drug-elimination half-lives (whichever is longer) prior to initiation of study treatment for Arm C
Treatment with systemic immunosuppressive medication (including, but not limited to, corticosteroids, cyclophosphamide, azathioprine, methotrexate, thalidomide, and anti-TNF-alpha agents) within 2 weeks prior to initiation of study treatment, or anticipation of need for systemic immunosuppressive medication during study treatment, with the following exceptions for Arm C
Patients who received acute, low-dose systemic immunosuppressant medication or a one-time pulse dose of systemic immunosuppressant medication (e.g., 48 hours of corticosteroids for a contrast allergy) are eligible for the study after Medical Monitor confirmation has been obtained
Patients who received mineralocorticoids (e.g., fludrocortisone), corticosteroids for chronic obstructive pulmonary disease (COPD) or asthma, or low-dose corticosteroids for orthostatic hypotension or adrenal insufficiency are eligible for the study
Active autoimmune disorders requiring steroid dose higher than prednisone 10 mg daily for Arm C
Active disease or receiving treatment for hepatitis B or C or human immunodeficiency virus (HIV) infection for Arm C
Receipt of a live, attenuated vaccine within 4 weeks prior to enrollment (start of treatment), during treatment, or within 5 months following the last dose of atezolizumab for Arm C
Known allergy or hypersensitivity to any component of carboplatin and/or paclitaxel or nab-paclitaxel, or capecitabine (5-FU) formulation (for patients planned for the respective arms)
Known dihydropyrimidine dehydrogenase (DPD) deficiency in patients selected to receive capecitabine for Arm C
Known severe allergic reactions to cisplatin or other platinum-containing compounds or mannitol (for patients planned for platinum-containing arms)
History of severe allergic anaphylactic reactions to chimeric or humanized antibodies or fusion proteins
Known hypersensitivity to Chinese hamster ovary cell products or to any component of the atezolizumab formulation
History of malabsorption syndrome or other condition that would interfere with enteral absorption or results in the inability or unwillingness to swallow pills
Active infection requiring systemic anti-microbial treatment (including antibiotics, anti-fungals, and anti-viral agents)
Severe infection within 4 weeks prior to initiation of study treatment, including, but not limited to, hospitalization for complications of infection, bacteremia, or severe pneumonia
Known untreated or unstable brain metastasis or leptomeningeal metastasis from metastatic breast cancer
Uncontrolled tumor-related pain
Uncontrolled pleural effusion, pericardial effusion, or ascites requiring recurrent drainage procedures (once monthly or more frequently)
Patients with indwelling catheters (e.g., PleurX) are allowed
Uncontrolled or symptomatic hypercalcemia (ionized calcium > 1.5 mmol/L, calcium > 12 mg/dL, or corrected calcium > ULN)
Active or history of autoimmune disease or immune deficiency, including, but not limited to, myasthenia gravis, myositis, autoimmune hepatitis, systemic lupus erythematosus, rheumatoid arthritis, inflammatory bowel disease, antiphospholipid antibody syndrome, Wegener granulomatosis, Sjogren syndrome, Guillain-Barre syndrome, or multiple sclerosis with the following exceptions
Patients with a history of autoimmune-related hypothyroidism who are on thyroid-replacement hormone are eligible for the study
Patients with controlled Type 1 diabetes mellitus who are on an insulin regimen are eligible for the study
Patients with eczema, psoriasis, lichen simplex chronicus, or vitiligo with dermatologic manifestations only (e.g., patients with psoriatic arthritis are excluded) are eligible for the study provided all of following conditions are
met
Rash must cover < 10% of body surface area
Disease is well controlled at baseline and requires only low-potency topical corticosteroids
No occurrence of acute exacerbations of the underlying condition requiring psoralen plus ultraviolet A radiation, methotrexate, retinoids, biologic agents, oral calcineurin inhibitors, or high-potency or oral corticosteroids within the previous 12 months
History of idiopathic pulmonary fibrosis, organizing pneumonia (e.g., bronchiolitis obliterans), drug-induced pneumonitis, or idiopathic pneumonitis, or evidence of active pneumonitis on screening chest computed tomography (CT) scan
History of radiation pneumonitis in the radiation field (fibrosis) is permitted
Active tuberculosis
Known HIV infection
Known clinically significant history of liver disease consistent with Child-Pugh class B or C, including active viral or other hepatitis (e.g., positive for hepatitis B surface antigen [HBsAg] or hepatitis C virus [HCV] antibody at screening), current drug or alcohol abuse, or cirrhosis
Patients with past hepatitis B virus (HBV) infection or resolved HBV infection (defined as having a negative HBsAg test and a positive hepatitis B core antibody [HBcAb] test, accompanied by a negative HBV deoxyribonucleic acid [DNA] test) are eligible
Patients positive for HCV antibody are eligible only if polymerase chain reaction (PCR) is negative for HCV ribonucleic acid (RNA)
Prior allogeneic stem cell or solid organ transplantation
Major surgical procedure, open biopsy, or significant traumatic injury within 28 days prior to day 1 of cycle 1 or anticipation of need for a major surgical procedure during the course of the study
Placement of a vascular access device is not considered major surgery
Pregnant or breastfeeding, or intending to become pregnant during the study or within 28 days after the last dose of ipatasertib, 5 months after the last dose of atezolizumab, and within 6 months after the last dose of paclitaxel, whichever occurs later
Women of childbearing potential (who are not postmenopausal with >= 12 months of non-therapy induced amenorrhea nor surgically sterile) must have a negative serum pregnancy test result either within 96 hours prior to day 1 of cycle 1 treatment
New York Heart Association class II, III, or IV heart failure; left ventricular ejection fraction < 50%; or active ventricular arrhythmia requiring medication
Current unstable angina or history of myocardial infarction within 6 months prior to day 1 of cycle 1 and cerebrovascular accident within 3 months prior to day 1 of cycle 1
Congenital long QT syndrome or screening QT interval corrected using Fridericia's formula (QTcF) > 480 milliseconds
History or presence of an abnormal electrocardiogram (ECG) that is clinically significant in the investigator's opinion (including complete left bundle branch block, second- or third-degree heart block, or evidence of prior myocardial infarction)
Need for chronic corticosteroid therapy of >= 10 mg of prednisone per day or an equivalent dose of other anti-inflammatory corticosteroids or immunosuppressants for a chronic disease
Treatment with approved or investigational cancer therapy within 14 days prior to day 1 of cycle 1
Patients with a prior diagnosis of malignancy except non-melanomatous skin cancer treated >= 5 years ago are eligible, provided that they have not received prior taxanes or carboplatin as part of their prior treatment regimen, and that they meet all eligibility criteria
Any other disease, physical examination finding, or clinical laboratory finding that, in the investigator's opinion, gives reasonable suspicion of a disease or condition that contraindicates the use of an investigational drug or that may affec
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