MEK162 and RAF265 in Adult Patients With Advanced Solid Tumors Harboring RAS or BRAFV600E Mutations
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This is a multi- center, open-label, dose finding, Phase Ib study to be conducted in two stages: a dose escalation part to determine the maximum tolerated dose (MTD) safety and tolerability of concurrent administration of MEK162 and RAF265, followed by an expansion part to further assess the safety and preliminary anti-tumor efficacy of this oral combination within two separate patient populations: i) patients with advanced solid tumors harboring BRAFV600E mutations or ii) patients with advanced solid tumors harboring RAS mutations.
Incidence of Dose Limiting Toxicities [ Time Frame: during the first 28 days of treatment with RAF265 and MEK162 ]
Secondary Outcome Measures :
Number of participants with adverse events and serious adverse events [ Time Frame: 18 months ]
assess preliminary anti-tumor activity of the combination [ Time Frame: every 8 weeks of treatment ]
CT scan will be performed
Tumor skin and blood samples will be collected before and during treatment with RAF265 and MEK162 to assess the combination's effects on the RAF/MEK/MAPK pathway with the clinical outcomes [ Time Frame: 18 months ]
Time versus plasma concentration profiles of RAF265 and MEK162 [ Time Frame: 10 months ]
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Ages Eligible for Study:
18 Years and older (Adult, Older Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Patients with histologically or cytologically confirmed and non-resectable advanced solid tumors for which no further effective standard therapy exists.
The patients' tumors must contain documented activating somatic BRAFV600E* , NRAS or KRAS mutations (except for pancreatic cancer)
All patients enrolled MUST provide fresh or archival tumor samples at baseline to enable central confirmation of BRAF or KRAS/NRAS mutations
Measurable, or non-measurable but evaluable disease as determined by RECIST
Adequate bone marrow function
Adequate hepatic and renal function
Adequate cardiovascular function
Negative serum β HCG test (female patients of childbearing potential only) within 72 hrs prior to first dose
Patients with a history of primary central nervous system tumors or brain metastases or who have signs/symptoms attributable to brain metastases and have not been assessed with radiologic imaging to rule out the presence of brain metastases
Current evidence of retinal disease; or ophthalmopathy as assessed by ophthalmologic examination at baseline that would be considered a risk factor for CSR/RVO (e.g., optic disc cupping, visual field defects, IOP > 21 mm Hg)
Impaired cardio-/vascular function or clinically significant cardiovascular diseases, including any of the following:
History/evidence of acute coronary syndromes (including MI, unstable angina, CABG, coronary angioplasty, or stenting) ≤ 6 months prior to starting study drugs
Thromboembolic event (DVT, CVA, PE) ≤ 6 months prior to starting study
Symptomatic CHF, history or current evidence of clinically significant cardiac arrhythmia and/or conduction abnormality
Uncontrolled arterial hypertension, defined as BP > 140/100 mmHg (average of 3 consecutive readings)
History of melena, hematemesis or hemoptysis within the last 3 months
Pregnant or nursing (lactating) women, where pregnancy is defined as the state of a female after conception and until the termination of gestation, confirmed by a positive hCG laboratory test (> 5 mIU/mL)
Other protocol-defined inclusion/exclusion criteria may apply