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Keep this study
Lead
Abramson Cancer Center at Penn Medicine
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Patients must be at least 18 years of age.
Patients must have histologically confirmed melanoma unresectable Stage III or Stage IV positive for BRAF V600E, V600K, V600R or V600D by a CLIA approved assay.
Patients must have an ECOG performance status of 0 or 1.
Patients must have adequate baseline organ function as determined by table 2.
Table 2. Definitions for adequate baseline organ function
Laboratory Values
Hematologic:
ANC (absolute neutrophil count) ≥1.2 × 109/L
Hemoglobin ≥ 9 g/dL
Platelet count ≥100 x 109/L
PT/INR and PTT ≤ 1.3 x ULN (PT = prothrombin time; INR = international normalized ratio; PTT = partial thromboplastin time; ULN = upper limit of normal)
Hepatic
Total bilirubin ≤ 1.5 x ULN
AST (aspartate aminotransferase) and ALT (alanine transaminase) ≤ 2.5 x ULN
Renal -- Serum creatinine ≤ 1.5 mg/dL
Cardiac
\-- Left Ventricular Ejection fraction (LVEF) ≥ LLN (lower limit of normal) by ECHO
Subjects receiving anticoagulation treatment may be allowed to participate with INR established within the therapeutic range prior to randomization.
If serum creatinine is \> 1.5 mg/dL, calculate creatinine clearance using standard Cockcroft-Gault formula. Creatinine clearance must be ≥ 50 mL/min to be eligible.
Except subjects with known Gilbert's syndrome. ECHO scans must be used throughout the study when indicated
Patients must be able to provide written informed consent.
Negative serum pregnancy test within 7 days prior to commencement of dosing in premenopausal women. Women of non-childbearing potential may be included without serum pregnancy test if they are either surgically sterile or have been postmenopausal for ≥ 1 year. Women must use an effective method of contraception from 14 days prior to randomization, throughout the treatment period, and for at least 6 months after the last dose of study treatment as directed by their physician. Effective methods of contraception are defined as those which result in a low failure rate (i.e., less than 1% per year) when used consistently and correctly (for example implants, injectables, or intra-uterine devices). At the discretion of the investigator, acceptable methods of contraception may include total abstinence in cases where the lifestyle of the patient ensures compliance. (Periodic abstinence \[e.g., calendar, ovulation, symptothermal, postovulation methods\] and withdrawal are not acceptable methods of contraception.) Hormonal-based methods (e.g., oral contraceptives) are NOT permitted as contraception due to potential drug-drug interactions with dabrafenib.
Patients with brain metastases treated with whole brain radiation that have been stable for 2 months are eligible; patients with brain metastases treated with gamma knife or surgery are allowed to participate after 2 weeks have elapsed since their procedure. Subjects are excluded if they have leptomeningeal or metastases causing spinal cord compression that are symptomatic or untreated or not stable for ≥3 months (must be documented by imaging) or requiring corticosteroids. Subjects on a stable dose of corticosteroids \>1 month or who have been off of corticosteroids for at least 1 week can be enrolled with approval of the medical monitor
Any number and type of prior anticancer therapies are allowed except BRAF or MEK inhibitors .
Patients must have discontinued active immunotherapy (IL-2, interferon, CTLA-4, etc.) or chemotherapy at least 4 weeks prior to entering the study and oral targeted therapy at least 2 weeks prior to entering the study. Patients must not receive any other investigational anticancer therapy during the period on study or the four weeks prior to entry.
All prior anti-cancer treatment-related toxicities (except alopecia and laboratory values as listed in Eligibility Criteria #4) must be Grade 1 according to the Common Terminology Criteria for Adverse Events version 4 (CTCAE version 4.03, 2009) at the time of starting treatment. Patients that are asymptomatic on low dose maintenance hormone replacement delivered at a stable dose for prior toxicities are eligible.
Patient much have measurable disease as defined by RECIST 1.1.
Patients must be able to swallow and retain oral medication and must not have any clinically significant gastrointestinal abnormalities that may alter absorption such as malabsorption syndrome or major resection of the stomach or bowels.
You may not be if
Patients with known serious concurrent infection or medical illness, including psychiatric disorders, which would jeopardize the ability of the patient to receive the treatment outlined in this protocol with reasonable safety.
Patients who are pregnant or breast-feeding.
Patients receiving concurrent therapy for their tumor (i.e. chemotherapeutics or investigational agents).
Patients who are known to be experiencing an objective partial response to immunotherapy at the time of study enrollment
History of malignancy other than disease under study within 3 years of study enrollment with exceptions below:
Exception: Subjects with a history of completely resected non-melanoma skin cancer, or subjects with indolent second malignancies are eligible
History of malignancy with confirmed activating RAS mutation at any time. Note: Prospective RAS testing is not required. However, if the results of previous RAS testing are known, they must be used in assessing eligibility.
History of interstitial lung disease or chronic pneumonitis
Due to risk of disease exacerbation patients with porphyria or psoriasis are ineligible unless the disease is well controlled and they are under the care of a specialist for the disorder who agrees to monitor the patient for exacerbations.
Have a known immediate or delayed hypersensitivity reaction or idiosyncrasy to drugs chemically related to study drug, or excipients or to dimethyl sulfoxide (DMSO).
Patients receiving cytochrome P450 enzyme-inducing anticonvulsant drugs (EIADs) (i.e. phenytoin, carbamazepine, Phenobarbital, primidone or oxcarbazepine) within 4 weeks of the start of the study treatment
Current use of a prohibited medication as described in Section 6.3.8 of the protocol for Potential for Drug-Drug Interaction: apply moisturizing creams frequently, topical keratolytics (e.g. urea 20-40 % cream, salicylic acid 6%, tazarotene 0.1% cream, fluorouracil 5% cream), clobetasol propionate 0.05% ointment for erythematous areas, topical lidocaine 2%, and / or systemic pain medication such as nonsteroidal anti-inflammatory drugs, codeine, and pregabalin for pain.
Known Hepatitis B Virus (HBV), or Hepatitis C Virus (HCV) infection (subjects with laboratory evidence of cleared HBV and/or HCV will be permitted
Patients with a previously documented retinal vein occlusion.
History or evidence of increased cardiovascular risk including any of the following
Left ventricular ejection fraction (LVEF) \< institutional lower limit of normal.
A QT interval corrected for heart rate using the Bazett's formula ≥ 480 msec;
Current clinically significant uncontrolled arrhythmias. Exception: Subjects with controlled atrial fibrillation for \>30 days prior to randomization are eligible.
History of acute coronary syndromes (including myocardial infarction and unstable angina), coronary angioplasty, or stenting within 6 months prior to randomization.
Current ≥ Class II congestive heart failure as defined by New York Heart Association
Patients with intra-cardiac defibrillators
Abnormal cardiac valve morphology (≥grade 2) documented by echocardiogram (subjects with grade 1 abnormalities \[i.e., mild regurgitation/stenosis\] can be entered on study). Subjects with moderate valvular thickening should not be entered on study.
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