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This is a Phase I, First-In-Human, open label, dose escalation and dose expansion study to evaluate the safety, tolerability, pharmacokinetics, and preliminary anti-cancer activity of ABM-1310 in adult patients with locally advanced or metastatic solid tumors who have no effective standard treatment options available, as monotherapy in patients with documented BRAF V600 mutation, or in combination with cobimetinib (Cotellic®) in adult patients who have documented BRAF mutation and progressive disease or intolerance to at least one prior line of systemic therapy.
Full description
This is a Phase I, First-In-Human, open label, dose escalation and dose expansion study to evaluate the safety, tolerability, pharmacokinetics, and preliminary anti-cancer activity of ABM-1310 in adult patients with locally advanced or metastatic solid tumors who have no effective standard treatment options available, as monotherapy in patients with documented BRAF V600 mutation, or in combination with cobimetinib (Cotellic®) in adult patients who have documented BRAF mutation and progressive disease or intolerance to at least one prior line of systemic therapy. The primary objectives of this study are to determine the Maximum Tolerated Dose (MTD) and/or the Recommended Phase II Dose (RP2D) of both single agent and combination treatment and to assess the safety and tolerability of ABM-1310 as a monotherapy and in combination.
Study consists of three Parts:
Part A: The starting dose of ABM-1310 is 25 mg po bid, and dose escalation will be guided by a "3+3" design. ABM-1310 will be administered twice daily on a continuous schedule. Each treatment cycle consists of 28 days.
Part B: The starting dose of ABM-1310 will be a dose below the MTD that has been demonstrated to be safe in Part A Monotherapy. A classic "3+3" design will guide the dose escalation. At each dose level, ABM-1310 will be administered in combination with 60 mg cobimetinib (Cotellic ®) once daily (qd) for the first 21 days of each 28-day treatment cycle.
Part C:
Dose limiting toxicity (DLT) will be evaluated and managed per the pre-defined DLT criteria and rules specified in the protocol. MTD and/or RP2D will be confirmed in a dose confirmation cohort.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Male and female subjects age 18 years and older who are able to sign informed consent and to comply with the protocol
Patients with histologically or cytologically-documented, locally advanced, or metastatic solid tumor malignancy that has either (a) progressed on at least one line of prior standard systemic therapy, (b) for which no standard therapy exists, or (c) standard therapy is not considered appropriate by the patient or treating physician. There is no limit to the number of prior treatment regimens
Part A: Patients with advanced or metastatic solid tumors with documentation of positive BRAF V600E mutation, or any other BRAF V600 mutation is required for enrollment
Part B: Patients with advanced or metastatic solid tumors with documentation of any BRAF mutation.
Part C:
Patients with active or stable brain metastasis that are asymptomatic, or that are symptomatic treated with a total daily dose of no more than 4 mg of dexamethasone (or equivalent) that is stable or tapering for at least 2 weeks prior to first treatment are eligible for enrollment. Patients with neurologic signs and symptoms who are not being treated with steroids are eligible and should have no experience of seizure within 2 weeks prior to first treatment.
Must have at least one measurable lesion as defined by RECIST V1.1 criteria for solid tumors or the RANO criteria for primary CNS tumors, such as gliomas.
ECOG performance status of 0 or 1 or Karnofsky performance status of ≥ 70
Adequate organ function confirmed at screening and within 28 days of initiating treatment, as evidenced by:
Negative pregnancy test within 72 hours before starting study treatment in all pre-menopausal women and women <12 months after the onset of menopause
Male and female subjects must agree to take sufficient contraceptive methods to avoid pregnancy before first dose of study treatment, during the study, and for at least 3 months after ceasing study treatment
Exclusion criteria
Women who are pregnant or breast-feeding
Women of child-bearing potential (WOCBP) who does not use adequate birth control
Patients with any hematologic malignancy. This includes leukemia, lymphoma, and multiple myeloma
Have a second primary malignancy that, in the judgment of the investigator, may affect the interpretation of results
Patients with carcinomatous meningitis (leptomeningeal disease (LMD))
Patients with history of stroke ≤ 6 months prior to starting study drug
Patients who have had an experience of seizure within 14 days prior to first treatment
Impaired cardiac function or clinically significant cardiac diseases, including but not limited to any of the following:
Patients with
Other concurrent severe and/or uncontrolled concomitant medical conditions (e.g., uncontrolled hypertriglyceridemia [triglycerides >500 mg/dL], active or uncontrolled infection) that could cause unacceptable safety risks or compromise compliance with the protocol
Extensive prior radiotherapy to more than 30% of bone marrow reserves, or prior bone marrow/stem cell transplantation within 5 years
Patients who have received chemotherapy, targeted therapy or immunotherapy ≤ 4 weeks prior to starting study drug or who have not recovered from side effects of such therapy, except:
Patients who have received wide field radiotherapy ≤ 4 weeks, limited field radiation for palliation ≤ 2 weeks, prior whole-brain radiotherapy (WBRT) ≤ 4 weeks or stereotactic radiosurgery (SRS) ≤ 2 weeks (one week for patients with primary CNS tumor such as GBM or with brain metastasis) prior to starting study drug or patients who have not recovered from side effects of such therapy
Patients who have undergone major surgery ≤ 4 weeks in general prior to starting study drug or who have not recovered from side effects of such therapy. However, a minimum of 2 weeks recovery time from major surgery prior to starting study drug is acceptable if in investigator's opinion the patient has recovered from surgery.
Patients who are currently receiving treatment with therapeutic doses of warfarin sodium or any other coumarin-derivative anticoagulants
Patients who have received systemic corticosteroids ≤ 2 weeks prior to starting study drug or who have not recovered from the side effects of such treatment. Therapeutic doses of corticosteroids up to 4 mg/day of dexamethasone, or equivalent are allowed. Note: Patients that are taking replacement doses of steroids are eligible
Patients who are currently receiving treatment with medication that has known risk to prolong the QT interval, and the treatment cannot either be discontinued or switched to a different medication prior to starting study drug
Known diagnosis of human immunodeficiency virus (HIV) infection (HIV testing is not mandatory; patients with well controlled HIV might be enrolled per investigator's discretion)
Known history of active infection with Hepatitis B (e.g., HBsAg reactive), or Hepatitis C (e.g., S RNA (qualitative) is detected)
History of alcohol or drug abuse ≤ 3 months prior to first dose
Has a history or current evidence of any condition, therapy, or laboratory abnormality that, in the opinion of the investigator, might confound the results of the trial, interfere with the patient's participation and compliance in the trial
Primary purpose
Allocation
Interventional model
Masking
53 participants in 6 patient groups
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Central trial contact
Katie Zhou
Data sourced from clinicaltrials.gov
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