Trametinib in Treating Patients With Advanced Melanoma With BRAF Non-V600 Mutations



Status:Active, not recruiting
Conditions:Skin Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:2/17/2019
Start Date:January 2015
End Date:January 2021

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A Phase II Open-Label, Two-Arm Study of the MEK Inhibitor, Trametinib, to Investigate the Safety and Anti-Cancer Activity in Subjects With Melanoma With BRAF Non-V600 Mutations

This phase II trial studies trametinib in treating patients with melanoma with v-Raf murine
sarcoma viral oncogene homolog B (BRAF) non-V600 mutations that has spread to other places in
the body. Trametinib may stop the growth of tumor cells by blocking some of the enzymes
needed for cell growth.

PRIMARY OBJECTIVES:

I. To determine the clinical efficacy of trametinib in advanced BRAF nonV600mutation (MUT)
melanoma ("high activity" group).

SECONDARY OBJECTIVES:

I. To characterize the safety of trametinib. II. To evaluate the progression-free survival
(PFS) and overall survival (OS) of trametinib in advanced BRAF nonV600MUT melanoma.

TERTIARY OBJECTIVES:

I. To determine the clinical efficacy of trametinib in advanced BRAF nonV600MUT melanoma
("low activity/unknown" group).

II. Identify mechanisms of resistance to trametinib in this patient population.

OUTLINE:

Patients receive trametinib orally (PO) once daily (QD) on days 1-28. Courses repeat every 28
days in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up for 28 days.

Inclusion Criteria:

- Signed written informed consent

- Histologically or cytologically confirmed diagnosis of melanoma

- BRAF mutation in loci other than V600 (BRAF nonV600 MUT) or BRAF fusion detected by
genetic testing of the primary tumor or regional/distant metastasis

- Subjects must provide either a fresh or archived tumor sample for correlative study
analyses

- For subjects with melanoma, archived or freshly biopsied tumor tissue (preferred) must
be obtained prior to enrollment. Tissue shipment tracking information should be
provided before administration of study treatment is initiated. However, if shipping
will be delayed and tissue shipment tracking information is unavailable, study drug
may be administered prior to tissue receipt pending discussion with principal
investigator.

- Measurable disease (i.e., present with at least one measurable lesion per Response
Evaluation Criteria In Solid Tumors [RECIST], version 1.1)

- All prior anti-cancer treatment-related toxicities (except alopecia and laboratory
values) must be =< grade 1 according to the Common Terminology Criteria for Adverse
Events version 4 (CTCAE version 4.0) at the time of randomization. Subjects with
endocrinopathies (e.g. hypopituitarism, hypothyroidism, hypoadrenalism) caused by
immune therapies currently on adequate hormone replacement WILL be permitted.

- 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

- Women of childbearing potential must have a negative serum pregnancy test within 14
days prior to randomization and agree to use effective contraception

- Men with a female partner of childbearing potential must have either had a prior
vasectomy or agree to use effective contraception

- An Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1

- Absolute neutrophil count (ANC) > or = 1.0 × 10^9/L

- Hemoglobin > or = 9 g/dL

- Platelet count > or = 75 x 10^9/L

- Prothrombin time (PT)/international normalized ratio (INR)* = or < 1.3 x upper limit
of normal (ULN)

- Subjects receiving anticoagulation treatment may be allowed to participate with
INR established within the therapeutic range prior to randomization; PT and
partial thromboplastin time (PTT) > 1.5 x ULN are permitted in these subjects

- PTT =or < 1.3 x ULN

- Albumin >or = 2.5 g/dL

- Total bilirubin = or < 1.5 x ULN

- Alanine aminotransferase (ALT) = or < 2.5 x ULN

- Creatinine = or < 1.5 ULN or calculated creatinine clearance* > or = 50 mL/min

- Calculate creatinine clearance using standard Cockcroft-Gault formula; creatinine
clearance must be > or = 50 mL/min to be eligible

- Left ventricular ejection fraction (LVEF) > or = lower limit of normal (LLN) by
echocardiogram (ECHO)

Exclusion Criteria:

- No prior therapy with inhibitors affecting the mitogen-activated protein kinase (MAPK)
pathways at any level (BRAF, mitogen-activated protein [MAP]/extracellular
signal-related kinase [ERK] kinase [MEK], neuroblastoma RAS viral [v-ras] oncogene
homolog [NRAS], ERK inhibitors) for unresectable stage IIIC or stage IV (metastatic)
melanoma; no limit to other therapies (immunotherapy or chemotherapy); prior systemic
treatment in the adjuvant setting is allowed; (note: ipilimumab treatment must end at
least 8 weeks prior to study day 1)

- BRAFV600 mutation positive

- NRAS codon 12, 13, or 61 mutation

- Any major surgery, extensive radiotherapy, chemotherapy with delayed toxicity,
biologic therapy, or immunotherapy within 21 days prior to study day 1, or daily or
weekly chemotherapy without the potential for delayed toxicity within 14 days prior to
study day 1

- Taken an investigational drug within 28 days or 5 half-lives (minimum 14 days),
whichever is shorter, prior to study day 1

- Current use of a prohibited medication as described

- History of another malignancy

- Exception: Subjects who have been disease-free for 3 years, or subjects with a
history of completely resected, non-melanoma skin cancer, or subjects with
indolent second malignancies are eligible. T1a melanoma and melanoma in situ are
permitted. Consult Medical Monitor if unsure whether second malignancies meet
requirements specified above.

- Any serious or unstable pre-existing medical conditions (aside from malignancy
exceptions specified above), psychiatric disorders, or other conditions that could
interfere with the subject's safety, obtaining informed consent, or compliance with
study procedures

- Known human immunodeficiency virus (HIV), hepatitis B virus (HBV), or hepatitis C
virus (HCV) infection (subjects with laboratory evidence of cleared HBV and HCV
infection will be permitted)

- History of leptomeningeal disease or spinal cord compression secondary to metastasis

- Brain metastasis, unless previously treated with surgery or stereotactic radiosurgery
and the disease has been confirmed stable (i.e., no increase in lesion size) for at
least 6 weeks with two consecutive magnetic resonance imaging (MRI) scans using
contrast prior to study day 1; enzyme inducing anticonvulsants are not allowed while
patients are on study treatment

- A history or evidence of cardiovascular risk including any of the following:

- A QT interval corrected for heart rate using the Bazett's formula (QTc) > or =
480 msec

- A history or evidence of current clinically significant uncontrolled arrhythmias

- Exception: subjects with atrial fibrillation controlled for > 30 days prior
to study day 1

- History of acute coronary syndromes (including myocardial infarction and unstable
angina), coronary angioplasty, or stenting within 6 months prior to study day 1

- A history or evidence of current >= class I congestive heart failure as defined
by the New York Heart Association (NYHA) guidelines

- Treatment refractory hypertension defined as a blood pressure of systolic > 140
mmHg and/or diastolic > 90 mm Hg which cannot be controlled by anti-hypertensive
therapy

- Patients with intra-cardiac defibrillators or permanent pacemakers

- Known cardiac metastases

- A history or current evidence of retinal vein occlusion (RVO) including:

- History of RVO or

- Visible retinal pathology as assessed by ophthalmic examination that is
considered a risk factor for RVO such as:

- Evidence of new optic disc cupping

- Evidence of new visual field defects

- Intraocular pressure > 21 mmHg as measured by tonography

- Known immediate or delayed hypersensitivity reaction or idiosyncrasy to drugs
chemically related to the study treatments, their excipients, and/or dimethyl
sulfoxide (DMSO)

- History of interstitial lung disease or pneumonitis

- Females who are pregnant or nursing
We found this trial at
4
sites
2220 Pierce Ave
Nashville, Tennessee 37232
615-936-8422
Principal Investigator: Douglas B. Johnson, MD
Phone: 800-811-8480
Vanderbilt-Ingram Cancer Center The Vanderbilt-Ingram Cancer Center, located in Nashville, Tenn., brings together the clinical...
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Nashville, TN
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450 Brookline Ave
Boston, Massachusetts 2215
617-632-3000
Principal Investigator: Keith T. Flaherty, MD
Phone: 617-724-4000
Dana-Farber Cancer Institute Since it’s founding in 1947, Dana-Farber has been committed to providing adults...
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Boston, MA
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Houston, Texas 77030
Principal Investigator: Michael A. Davies, MD
Phone: 713-794-4274
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Houston, TX
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3800 Reservoir Rd NW
Washington, District of Columbia 20007
(202) 687-7695
Principal Investigator: Suthee Rapisuwon, MD
Phone: 202-687-6871
Georgetown University Medical Center Georgetown University Medical Center is committed to excellence in research, education...
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Washington,
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