| Eligibility |
Inclusion Criteria:
- PRE-REGISTRATION: Age >= 18 years
- PRE-REGISTRATION: High-risk stage III melanoma, defined as (any of the following):
- Recurrent nodal metastasis, or
- Clinically detectable nodal metastasis, or
- Metastatic involvement of more than one nodal basin
- NOTE: For the purpose of pre-registration, high-risk stage III melanoma is
defined based on clinical and imaging assessment (positron emission
tomography/computed tomography [PET/CT], CT, or magnetic resonance imaging
[MRI]). Histologic confirmation of nodal metastatic disease is not needed at the
time of pre-registration, provided there is histologic confirmation of primary
melanoma or a prior lymph node metastasis.
- PRE-REGISTRATION: Willing to submit archival tissue from a lymph node biopsy or
undergo a needle biopsy (with clip placement) for BRAF testing and for research
purposes.
- PRE-REGISTRATION: Willing to forego anticancer treatments or investigational agents
during pre-registration period.
- PRE-REGISTRATION: The following laboratory values obtained =< 28 days prior to
pre-registration:
- Only for patients receiving therapeutic anticoagulation: stable anticoagulant
regimen and stable international normalized ratio (INR).
- REGISTRATION: Histologic confirmation of stage III melanoma, as defined by the
American Joint Committee on Cancer, 8th revised edition.
- REGISTRATION: Arms A and B only: Documentation of BRAFV600 mutation status in melanoma
tumor tissue (archival or newly obtained) through use of a Clinical Laboratory
Improvement Amendments (CLIA)-approved clinical mutation test.
- REGISTRATION: Surgically resectable disease, as determined by a melanoma surgical
oncologist.
- REGISTRATION: Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
- REGISTRATION: Life expectancy >= 26 weeks.
- REGISTRATION: Absolute neutrophil count (ANC) >= 1500/mm^3 obtained =< 14 days prior
to registration.
- REGISTRATION: Platelet count >= 100,000/mm^3 obtained =< 14 days prior to
registration.
- REGISTRATION: Hemoglobin >= 9.0 g/dL obtained =< 14 days prior to registration.
- REGISTRATION: Direct bilirubin =< institutional upper limit of normal (ULN) obtained
=< 14 days prior to registration.
- REGISTRATION: Aspartate transaminase (AST) and alanine transaminase (ALT) =< 2 x ULN
obtained =< 14 days prior to registration.
- REGISTRATION: Alkaline phosphatase < 2.5 x ULN obtained =< 14 days prior to
registration.
- REGISTRATION: Creatinine =< 1.5 x ULN or creatinine clearance (CrCl) >= 45 mL/min on
the basis of measured CrCl from a 24-hour urine collection or Cockcroft-Gault
glomerular filtration rate estimation obtained =< 14 days prior to registration.
- REGISTRATION: Arms A and B only: Left ventricular ejection fraction (LVEF) >= 50% or
institutional lower limit of normal (LLN) =< 6 months prior to registration.
- REGISTRATION: Arms A and B only: Average corrected QT interval (QTc) =< 450 ms on
triplicate 12 lead electrocardiography (ECG) =< 28 days prior to registration.
- NOTE: QTc intervals will be corrected using Fridericia's formula.
- REGISTRATION: Negative pregnancy test done =< 7 days prior to registration, for
persons of childbearing potential only.
- REGISTRATION: For persons of childbearing potential: agreement to remain abstinent
(refrain from heterosexual intercourse) or use a contraceptive method with a failure
rate of < 1% per year during the treatment period and for 6 months after the last dose
of study treatment.
- REGISTRATION: For persons able to father a child: agreement to remain abstinent
(refrain from heterosexual intercourse with a person of childbearing potential) or use
contraceptive measures, and agreement to refrain from donating sperm during the
treatment period and for 6 months after the last dose of study treatment.
- REGISTRATION: Provide written informed consent.
- REGISTRATION: Willing to return to enrolling institution for follow-up (during the
active monitoring phase of the study).
- REGISTRATION: Willing to provide tissue, blood, and stool samples for correlative
research purposes.
- REGISTRATION: Arm C Only: Negative serology for acute Epstein-Barr virus (EBV)
infection (negative EBV viral capsid antigen [VCA] immunoglobulin M [IgM]).
Exclusion Criteria:
- PRE-REGISTRATION: Prior systemic anti-cancer therapy for melanoma (e.g., chemotherapy,
hormonal therapy, targeted therapy, immunotherapy including anti-PD-1, anti-PDL1
agents, or other biologic therapies), with the following exceptions: adjuvant
treatment with interferon, IL-2, granulocyte-macrophage colony-stimulating factor
(GM-CSF) or vaccine therapies are allowed, if discontinued >= 28 days prior to
pre-registration.
- PRE-REGISTRATION: Receiving any other investigational agent which would be considered
as a treatment for the primary neoplasm.
- PRE-REGISTRATION: For patients with concurrent diagnosis of primary melanoma with
nodal involvement, major surgical procedure other than lymph node biopsy or wide local
excision of primary melanoma =< 4 weeks prior to pre-registration, or anticipation of
need for a major surgical procedure for reasons other than melanoma during the course
of the study.
- PRE-REGISTRATION: For patients with nodal recurrence, surgical procedure or
anti-cancer therapy for this recurrence (other than lymph node biopsy) or anticipation
of need for a major surgical procedure for reasons other than melanoma during the
course of the study.
- PRE-REGISTRATION: Prior radiotherapy for melanoma.
- PRE-REGISTRATION: History of non-nodal melanoma metastasis or central nervous system
(CNS) lesion(s) proven or clinically suspected to be metastasis.
- PRE-REGISTRATION: Active malignancy (other than melanoma) or malignancy =< 3 years
prior to pre-registration.
- NOTE: Exceptions: Asymptomatic papillary thyroid cancer (not requiring
treatment), resected basal cell carcinoma (BCC), resected cutaneous squamous cell
carcinoma (SCC), resected carcinoma in situ of the cervix, resected carcinoma in
situ of the breast, in situ prostate cancer, non-muscle-invasive bladder cancer,
Stage I uterine cancer, or other curatively treated malignancies from which the
patient has been disease-free for at least 3 years prior to pre registration.
- PRE-REGISTRATION: Prior allogeneic stem cell or solid organ transplantation.
- PRE-REGISTRATION: 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 CT scan.
- PRE-REGISTRATION: History of autoimmune disease requiring systemic immunosuppressive
or immune-modulatory therapy =< 5 years prior to pre-registration.
- NOTE: Exceptions are allowed for hypothyroidism on thyroid replacement therapy;
or Type 1 diabetes on insulin regimen.
- PRE-REGISTRATION: Active psoriasis requiring therapy (systemic or topical).
- PRE-REGISTRATION: Known clinically significant liver disease, including alcoholism,
cirrhosis, fatty liver, and other inherited liver disease as well as active viral
disease.
- PRE-REGISTRATION: Arms A and B only: History of or evidence of retinal pathology on
ophthalmologic examination including but not limited to:
- Neurosensory retinal detachment
- Central serous chorioretinopathy
- Retinal vein occlusion (RVO)
- Neovascular macular degeneration
- PRE-REGISTRATION: Immunocompromised patients and patients known to be human
immunodeficiency virus (HIV) positive and currently receiving antiretroviral therapy.
- NOTE: Patients known to be HIV positive, but without clinical evidence of an
immunocompromised state, are eligible for this trial.
- PRE-REGISTRATION: Uncontrolled intercurrent illness including, but not limited to:
- Ongoing or active infection (including but not limited to tuberculosis)
- Clinically significant cardiac dysfunction including:
- Symptomatic congestive heart failure defined as New York Heart Association
class II or higher
- Unstable angina pectoris or new-onset angina =< 3 months prior to
pre-registration
- Unstable cardiac arrhythmia
- Myocardial infarction =< 3 months prior to pre-registration
- Congenital long QT syndrome
- Clinically significant stroke, reversible ischemic neurological defect, or
transient ischemic attack =< 6 months prior to pre-registration
- Any grade 3 hemorrhage or bleeding event =< 4 weeks prior to pre-registration
- Uncontrolled diabetes or symptomatic hyperglycemia
- Psychiatric illness/social situations that, in the judgement of the investigator,
would: a) limit compliance with study requirements, or b) make the patient
inappropriate for entry into this study, or c) interfere significantly with the
proper assessment of safety and toxicity of the prescribed regimens.
- PRE-REGISTRATION: Known hypersensitivity to biopharmaceutical agents produced in
Chinese hamster ovary cells (example [ex]: recombinant follicle-stimulating hormone
[FSH]).
- PRE-REGISTRATION: Known hypersensitivity to any components of the atezolizumab (all
arms), tiragolumab (Arm C only), cobimetinib (Arms A and B only), or vemurafenib (Arms
A and B only) formulations.
- PRE-REGISTRATION: History of severe allergic, anaphylactic or other hypersensitivity
reactions to chimeric or humanized antibodies or fusion proteins.
- REGISTRATION: Received anticancer treatments or investigational agents during
pre-registration period.
- REGISTRATION: Clinically suspected non-nodal metastatic melanoma.
- REGISTRATION: Arm A only: For BRAF-mutant patients only: anticipated use of any
concomitant medication =< 7 days prior to registration that is known to cause QT
prolongation (which may lead to torsade de pointes).
- REGISTRATION: Arms A and B only: History of malabsorption or other clinically
significant metabolic dysfunction that may interfere with absorption of oral study
treatment or inability or unwillingness to swallow oral medication.
- REGISTRATION: Signs or symptoms of infection or has received antibiotics =< 14 days
prior to registration.
- NOTE: Patients receiving prophylactic antibiotics (e.g., to prevent a urinary
tract infection or chronic obstructive pulmonary disease exacerbation) are
eligible for the study.
- REGISTRATION: Any of the following because this study involves investigational agents
whose genotoxic, mutagenic and teratogenic effects on the developing fetus and newborn
are unknown:
- Pregnant persons
- Nursing persons
- Persons of childbearing potential who are unwilling to employ adequate
contraception
- REGISTRATION: Treatment with a live, attenuated vaccine =< 4 weeks prior to
registration, or anticipation of need for such a vaccine during the course of the
study.
- REGISTRATION: Treatment with systemic immunosuppressive medication (including, but not
limited to, prednisone, cyclophosphamide, azathioprine, methotrexate, thalidomide, and
anti-tumor necrosis factor (TNF)-alpha agents) =< 2 weeks prior to registration, or
anticipation of need for systemic immunosuppressive medication during the course of
the study.
- NOTE: Patients who have received acute, low-dose systemic steroids (=< 10 mg/day
oral prednisone or equivalent) prior to registration 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.
- NOTE: The use of inhaled corticosteroids for chronic obstructive pulmonary
disease or asthma, mineralocorticoids (e.g., fludrocortisone), or low-dose
corticosteroids for patients with orthostatic hypotension or adrenocortical
insufficiency is allowed.
- REGISTRATION: Requirement for concomitant therapy or food that is prohibited during
the study.
- REGISTRATION: Arms A and B only: Inability to abstain from alcohol during neoadjuvant
phase.
- REGISTRATION: Arm C only: Known Epstein-Barr virus (EBV) infection.
- NOTE: Patients with symptoms such as splenomegaly, fever, sore throat,
non-malignant cervical lymphadenopathy, and/or tonsillar exudate, should undergo
an EBV polymerase chain reaction (PCR) test to screen for acute infection or
suspected chronic active infection. Patients with a positive EBV PCR test are
excluded.
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