| Eligibility |
Inclusion Criteria:
- Patients must have pathologically or cytologically confirmed adenoid cystic carcinoma.
Cancers arising from non-salivary gland primary sites are allowed.
- Patients must have recurrent and/or metastatic disease not amenable to potentially
curative surgery or radiotherapy.
- At least 2 weeks must have elapsed since the end of prior systemic treatment (4 weeks
for bevacizumab- containing regimens) or radiotherapy with resolution of all
treatment-related toxicity to NCI CTCAE Version 4.0 grade =1 (or tolerable grade 2) or
back to baseline (except for alopecia, lymphopenia, or hypothyroidism). Any number of
prior therapies for recurrent/metastatic ACC are allowed.
- Patients must have RECIST v1.1 measurable disease, defined as at least one lesion that
can be accurately measured in at least one dimension (longest diameter to be recorded
for non-nodal lesions and short axis for nodal lesions) as = 20 mm with conventional
techniques or as = 10 mm with spiral CT scan.
- Patients must have documentation of a new or progressive lesion on a radiologic
imaging study performed within 6 months prior to study enrollment (progression of
disease over any interval is allowed) and/or new/worsening disease related symptoms
within 6 months prior to study enrollment. Note: This assessment will be performed by
the treating investigator. Evidence of progression by RECIST criteria is not required.
- Patients must have archival tissue from the primary tumor or metastases available for
correlative studies. Either a paraffin block or twenty unstained slides are
acceptable. (If less than twenty unstained slides are available, the patient may be
able to participate at the discretion of the investigator.)
- Age = 18 years
- ECOG performance status <2 (Karnofsky >60%)
- Adequate bone marrow, liver and renal function (as suggested for lenvatinib studies).
- Total bilirubin = 1.5 x the upper limits of normal (ULN)
- Alanine aminotransferase (ALT) and aspartate amino-transferase (AST) = 2.5 x ULN
(= 5 x ULN for subjects with liver involvement of their cancer)
- Alkaline phosphatase limit = 2.5 x ULN (= 5 x ULN for subjects with liver
involvement of their cancer)
- Serum creatinine = 1.5 x the ULN or calculated creatinine clearance = 60 ml/min
- Platelet count = 100,000 /mm3, hemoglobin (Hb) = 9 g/dL, absolute neutrophil
count (ANC) = 1500/mm3. Blood transfusion to meet the inclusion criteria will not
be allowed.
- Subjects must be able to understand and be willing to sign the written informed
consent form. A signed informed consent form must be appropriately obtained prior to
the conduct of any trial-specific procedure.
- Women of childbearing potential must have a negative serum pregnancy test performed
within 2 weeks prior to the start of study drug. Post-menopausal women (defined as no
menses for at least 1 year) and surgically sterilized women are not required to
undergo a pregnancy test.
- Subjects (men and women) of childbearing potential must agree to use adequate
contraception beginning at the signing of the consent form until at least 3 months
after the last dose of study drug. The definition of adequate contraception will be
based on the judgment of the principal investigator or a designated associate.
- Subject must be able to swallow and retain oral medication.
Exclusion Criteria:
- Concurrent anti-cancer therapy (chemotherapy, definitive radiation therapy, surgery,
immunotherapy, biologic therapy, or tumor embolization) other than study treatment.
Concurrent therapy with bisphosphonates or denosumab for bone metastases is allowed.
Palliative radiation to non-target lesions is also allowed.
- Prior use of lenvatinib.
- Uncontrolled hypertension (systolic pressure >140 mm Hg or diastolic pressure > 90 mm
Hg [NCI-CTCAE v4.0] on repeated measurement) despite optimal medical management.
- Concurrent use of another investigational drug or device (i.e., outside of study
treatment) during, or within 4 weeks of trial entry (signing of the informed consent
form).
- Clinically significant proteinuria:
- Subjects having >1+ proteinuria on urinalysis will undergo 24-hour urine
collection for quantitative assessment of proteinuria. Subjects with urine
protein =1 g/24-hour will be ineligible.
- Active or clinically significant cardiac disease including:
- Congestive heart failure - New York Heart Association (NYHA) > Class II.
- Active coronary artery disease that is not medically treated.
- Cardiac arrhythmias requiring anti-arrhythmic therapy other than beta blockers or
digoxin.
- Unstable angina (anginal symptoms at rest), new-onset angina within 3 months
before registration, or myocardial infarction within 6 months before
registration.
- Subjects with thrombotic, embolic, venous, or arterial events, such as cerebrovascular
accident (including transient ischemic attacks) deep vein thrombosis or pulmonary
embolism within 6 months of study treatment start.
- Symptomatic metastatic brain or leptomeningeal tumors (asymptomatic or treated
metastatic brain or leptomeningeal tumors are allowed).
- Major surgical procedure, open biopsy, or significant traumatic injury within 28 days
before start of study medication.
- Evidence or history of bleeding diathesis or coagulopathy.
- Any hemorrhage or bleeding event = NCI CTCAE Grade 3 within 4 weeks prior to start of
study medication.
- Therapeutic anticoagulation with Vitamin-K antagonists (e.g., warfarin) is not allowed
if the medication dose and/or INR/PTT are not considered stable by the treating
physician. If the dose and/or INR/PTT are stable, therapeutic anticoagulation with
Vitamin-K antagonists is allowed with close monitoring. Anticoagulation with heparin
or heparinoids is allowed.
- Known history of human immunodeficiency virus (HIV) infection or current chronic or
active hepatitis B or C infection requiring treatment with antiviral therapy.
- Active infection that would impair the ability of the patient to receive study
treatment
- Presence of a non-healing wound or non-healing ulcer that is not tumor related.
- Renal failure requiring hemo-or peritoneal dialysis.
- Patients with seizure disorder requiring medication.
- Interstitial lung disease with ongoing signs and symptoms at the time of informed
consent.
- History of organ allograft (including corneal transplant).
- Any malabsorption condition.
- Women who are pregnant or breast-feeding.
- Any condition which, in the investigator's opinion, makes the subject unsuitable for
trial participation.
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